{"id":13113,"date":"2024-08-07T15:31:19","date_gmt":"2024-08-07T07:31:19","guid":{"rendered":"http:\/\/www.elepcb.com\/?p=13113"},"modified":"2026-01-13T17:00:58","modified_gmt":"2026-01-13T09:00:58","slug":"polyimide-pcb","status":"publish","type":"post","link":"https:\/\/www.elepcb.com\/it\/blog\/polyimide-pcb\/","title":{"rendered":"Tutto quello che c'\u00e8 da sapere sui PCB in poliammide nel 2026"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"13113\" class=\"elementor elementor-13113\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-23c87614 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"23c87614\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-26219365\" data-id=\"26219365\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-73008f85 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"73008f85\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__73008f85\" aria-expanded=\"true\" aria-label=\"Tartalomjegyz\u00e9k megnyit\u00e1sa\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__73008f85\" aria-expanded=\"true\" aria-label=\"Tartalomjegyz\u00e9k bez\u00e1r\u00e1sa\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__73008f85\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ebdd438 elementor-widget elementor-widget-text-editor\" data-id=\"3ebdd438\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"ZzVndCoYjoIIzhx50mjcQDcLnue\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"SKC7dw5mIo9QKNxSgwPcggXAnRh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"BaAqdv8UmonE8ZxHyouc2xGbn6c\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Dr1edNdemonXW8xAUfpcwbIBnZf\">As electronic devices become more high-performance and multifunctional, the demand for circuit board\u00a0<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-substrate-materials\/\">materials<\/a>\u00a0is increasing. In recent years, polyimide PCBs have become one of the most popular choices for\u00a0<a href=\"https:\/\/www.elepcb.com\/product\/\">products<\/a>\u00a0that require something other than conventional\u00a0<a href=\"https:\/\/www.elepcb.com\/blog\/what-is-fr-4-material-in-pcb-fabrication\/\">FR4<\/a>\u00a0boards. Polyimide PCBs refer to printed circuit boards that use polyimide as the flexible insulating dielectric substrate onto which the conductive copper traces are bonded.\u00a0Polyimide, as a high-performance engineering plastic, has become an important substrate material in printed circuit boards due to its excellent\u00a0<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-thermal-management\/\" data-wplink-edit=\"true\">thermal<\/a>\u00a0stability, electrical insulation, mechanical strength, and chemical resistance.<\/div><div class=\"ace-line ace-line old-record-id-Dr1edNdemonXW8xAUfpcwbIBnZf\">\u00a0<\/div><\/div><div>Compared to traditional rigid\u00a0<a href=\"https:\/\/www.elepcb.com\/blog\/what-is-fr-4-material-in-pcb-fabrication\/\">FR4<\/a>\u00a0circuit boards,\u00a0<strong>polyimide PCBs<\/strong>\u00a0offer superior heat resistance, flexibility, durability, and reliability &#8211; making them suitable for demanding\u00a0<a href=\"https:\/\/www.elepcb.com\/applications\/\">applications<\/a>\u00a0from jet fighters to pacemakers to wearable devices.\u00a0<a style=\"font-family: var( --e-global-typography-secondary-font-family ), Sans-serif; font-weight: var( --e-global-typography-secondary-font-weight ); font-size: 1rem;\" href=\"https:\/\/www.elepcb.com\/\">ELEPCB<\/a><span style=\"font-family: var( --e-global-typography-secondary-font-family ), Sans-serif; font-weight: var( --e-global-typography-secondary-font-weight ); background-color: var( --e-global-color-0920723 ); font-size: 1rem;\">\u00a0will explore all aspects of these advanced boards in this comprehensive guide\u00a0<\/span><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-63f067d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"63f067d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-163fc7a\" data-id=\"163fc7a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a20a1ca elementor-widget elementor-widget-spacer\" data-id=\"a20a1ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3adef51 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3adef51\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-413df67\" data-id=\"413df67\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6c27852 elementor-widget elementor-widget-heading\" data-id=\"6c27852\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>What is a Polyimide PCB ?<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4818fdc elementor-widget elementor-widget-text-editor\" data-id=\"4818fdc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Polyimide Printed Circuit Boards are high-performance circuit boards that use polyimide as a substrate <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-substrate-materials\/\">material<\/a>. Polyimide is a polymer compound with an aromatic heterocyclic structure known for its excellent<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-thermal-management\/\"> thermal<\/a> stability, electrical insulation, mechanical strength, and chemical resistance. Polyimide PCBs are particularly suitable for <a href=\"https:\/\/www.elepcb.com\/applications\/\">applications<\/a> requiring high reliability and the ability to withstand extreme temperatures and environmental conditions, such as aerospace, military, <a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\">automotive<\/a>, and <a href=\"https:\/\/www.elepcb.com\/applications\/pcb-for-medical-equipment\/\">medical<\/a> devices.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26085e0 elementor-widget elementor-widget-image\" data-id=\"26085e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"260\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/08\/What-is-a-Polyimide-PCB-300x260.png\" class=\"attachment-medium size-medium wp-image-13152\" alt=\"\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/08\/What-is-a-Polyimide-PCB-300x260.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/08\/What-is-a-Polyimide-PCB.png 600w\" sizes=\"(max-width: 300px) 100vw, 300px\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85aad3b elementor-widget elementor-widget-heading\" data-id=\"85aad3b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Features and Benefits of Polyimide PCBs<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d8f65c elementor-widget elementor-widget-text-editor\" data-id=\"6d8f65c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-FiKJdQUYYon90Dx7qNucCkuzn0b\">Polyimide flex PCBs deliver substantially higher performance, albeit at a premium price. Their exceptional features include:<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c167eea elementor-widget elementor-widget-heading\" data-id=\"c167eea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Dimensional Stability<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f083764 elementor-widget elementor-widget-text-editor\" data-id=\"f083764\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-N6BSdoKsdoEqdFxfy1FczsCFnpe\">A key benefit is retaining their precise dimensions and structure despite temperature fluctuations or cycling. This dimensional stability exceeds traditional materials by factors of 5-10x. Rigid <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-fr-4-material-in-pcb-fabrication\/\">FR4<\/a> boards become distorted over typical operating ranges. Avoiding thermal expansion<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-failure-and-common-issues\/\"> issues<\/a> makes polyimide ideal for tightly-tolerated <a href=\"https:\/\/www.elepcb.com\/applications\/\">applications<\/a>.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cdfaa50 elementor-widget elementor-widget-heading\" data-id=\"cdfaa50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Flexibility<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23f250a elementor-widget elementor-widget-text-editor\" data-id=\"23f250a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HTsndr6Duobs8axVT9Sc8UpLnPd\">The elastic nature of the polyimide material used as the dielectric allows bending to tight radii and repeated dynamic flexing without degradation. This makes polyimides the material of choice whenever flex circuits are needed for motion tolerance or fitting within constrained spaces.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea34afb elementor-widget elementor-widget-heading\" data-id=\"ea34afb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>High Dielectric Strength<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-407646d elementor-widget elementor-widget-text-editor\" data-id=\"407646d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WX6KdlOzroQNSrxQFDTcbSfenwh\">The outstanding electrical insulation properties enable thinner dielectric layers between conductive copper layers, allowing finer lines and spacing. Polyimide\u2019s dielectric strength leads to double-density circuits compared to <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-fr-4-material-in-pcb-fabrication\/\" data-wplink-edit=\"true\">FR4<\/a>. This facilitates advanced <a href=\"https:\/\/www.elepcb.com\/product\/rf-pcb\/\">RF<\/a> designs and stacked micro via layouts.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a197814 elementor-widget elementor-widget-heading\" data-id=\"a197814\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Temperature and Chemical Resistance<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de2bd1c elementor-widget elementor-widget-text-editor\" data-id=\"de2bd1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ER20da2dwoQ2AbxEnK4cJux4nTe\">With maximum continuous use temperatures over 260\u00b0C, polyimides offer 2-3X better heat tolerance over <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-fr-4-material-in-pcb-fabrication\/\">FR4<\/a> boards. This is a must for applications seeing temperature swings like aerospace and <a href=\"https:\/\/www.elepcb.com\/applications\/\">automotive<\/a>. The chemical composition also shrugs off exposure to fuels, oils, and solvents that rapidly degrade epoxy glass substrates.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9ebe5e elementor-widget elementor-widget-text-editor\" data-id=\"b9ebe5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Kq8JdBXMPol9C6xm8AQcnbpvnwh\">Combining all these strengths results in flex PCBs with unbeaten durability and resilience for the most unrelenting operating conditions modern electronics can subject them to.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-069bda6 elementor-widget elementor-widget-heading\" data-id=\"069bda6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Types of Polyimide PCB Materials<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d36313 elementor-widget elementor-widget-text-editor\" data-id=\"4d36313\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PD53dIDi6oY35UxdCmecqmWgnsc\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-I82EdsWoZo4LUIx2YXYckbvznah\"><div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-FzXLdyGT0oTwaYxpYjzcuo0nnBq\">There are several major types or generations of polyimide materials used in <a href=\"https:\/\/www.elepcb.com\/pcb-manufacturing-process-and-services\/\">PCB fabrication<\/a>, each with its own characteristics and advantages:<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e57e3f elementor-widget elementor-widget-heading\" data-id=\"7e57e3f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>2nd Generation Pure Polyimides<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a805163 elementor-widget elementor-widget-text-editor\" data-id=\"a805163\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-X7pvdvEPko4hFlxrM37cfRstnJd\">Also known as pure or second-generation polyimides, these were some of the earliest <a href=\"https:\/\/www.elepcb.com\/product\/flex-pcb\/\">flexible PCB<\/a> materials. They contain no flame retardant additives or other enhancements, giving exceptional thermal stability and heat resistance exceeding <strong>400\u00b0C<\/strong>.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53154f1 elementor-widget elementor-widget-text-editor\" data-id=\"53154f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-X7pvdvEPko4hFlxrM37cfRstnJd\"><div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CryIdxASvoBtUqxr6vCc0zZknig\">The pure composition also lends itself to high flexibility, allowing reliable operation even with constant vibration or motion. These properties have established pure polyimides as the go-to choice for electrical wiring and electronics in aerospace, <a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\">automotive<\/a>, and <a href=\"https:\/\/www.elepcb.com\/applications\/pcb-for-industrial-equipments\/\">industrial<\/a> equipment over decades of use.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d2ae61 elementor-widget elementor-widget-heading\" data-id=\"1d2ae61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>3rd Generation Flame Retardant Polyimides<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d82b5fb elementor-widget elementor-widget-text-editor\" data-id=\"d82b5fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PsOQdD6oJoSrMgxMoFdcuP8Mnxh\">This variant contains specialized additives to make the material inherently resistant to catching fire, an essential safety requirement in many electronics <a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\">applications<\/a>. The additives do marginally reduce the operating temp rating down to 260\u00b0C, but 3rd generation polyimides offer a flame retardancy meeting UL94 standards. They also benefit from faster and lower-cost manufacturing thanks to lower curing temperatures. Their balance of safety, performance, and production cost make these the most common type of polyimide PCB <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-substrate-materials\/\">material<\/a> in use today.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b07559 elementor-widget elementor-widget-heading\" data-id=\"0b07559\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Low Flow Polyimides<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9f0cf5 elementor-widget elementor-widget-text-editor\" data-id=\"b9f0cf5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CBtrd1wQXoNKDkxjBzccSeN5nFg\">These specialized formulations contain modifiers that reduce the viscosity of the resin during the lamination stages. This allows the material to fill intricate circuit patterns with tight tolerances. It reduces voids and enables the reliable fabrication of ultra-dense, complex <a href=\"https:\/\/www.elepcb.com\/product\/flex-pcb\/\">flexible PCBs<\/a>.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5df6202 elementor-widget elementor-widget-text-editor\" data-id=\"5df6202\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-DVeLdQKsGoLEnLx9zCNconkUnzd\">The more rigid structure also provides exceptional resilience to physical stresses from vibration, pressure cycling and temperature swings once operational. As a result, low-flow polyimides continue seeing rapid adoption for mission-critical flex circuits despite their premium pricing.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-251a4c1 elementor-widget elementor-widget-heading\" data-id=\"251a4c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Filled Polyimides<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44677f6 elementor-widget elementor-widget-text-editor\" data-id=\"44677f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XvALdpTr7oh1IJxXUEacqdotnKc\">Filled polyimides contain inert additives such as glass fibers, carbon fibers, or mineral fillers like mica. Much like reinforced concrete, these enhance mechanical strength, stiffness, and stability. Filled polyimides combining the native resilience of the material with reinforced durability allow flexible circuits that can survive the most demanding conditions &#8211; stretching, twisting or continuous flexing over decades without deterioration.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b24f45f elementor-widget elementor-widget-text-editor\" data-id=\"b24f45f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XkibdT69roujlBxC8ZxcNbDwnF7\">The controlled expansion also minimizes stresses during thermal cycling. This combination of endurance and reliability makes filled types ideal for flex PCB applications ranging from automotive engine controls to implantable <a href=\"https:\/\/www.elepcb.com\/applications\/pcb-for-medical-equipment\/\">medical devices<\/a>.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a81acc elementor-widget elementor-widget-heading\" data-id=\"0a81acc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Polyimide PCB Manufacturing Process<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-350ebf7 elementor-widget elementor-widget-text-editor\" data-id=\"350ebf7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-GXaxde5IKohEdgxaMNicPKSCn2Q\">The polyimide <a href=\"https:\/\/www.elepcb.com\/applications\/pcb-for-medical-equipment\/\">PCB manufacturing<\/a> process is a technology dedicated to fabricating high-performance circuit boards with excellent thermal and electrical properties. Polyimide is a polymer with superior properties compared to conventional materials. The manufacturing process for polyimide circuit boards generally consists of the following steps.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-abe9813 elementor-widget elementor-widget-heading\" data-id=\"abe9813\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Substrate Preparation<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7ab783 elementor-widget elementor-widget-text-editor\" data-id=\"d7ab783\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-S43vd4akxo1Ob9xMWcGcbjY5nxb\">Selecting the right polyimide as an insulating substrate is very important. Polyimides are capable of high glass transition temperatures and high decomposition temperatures, providing excellent resistance to high temperatures The manufacturing process begins with a polyimide film or copper-coated polyimide laminate. Surfaces are cleaned and prepared to ensure proper bonding of subsequent layers.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93fc484 elementor-widget elementor-widget-heading\" data-id=\"93fc484\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Lamination<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43d8bec elementor-widget elementor-widget-text-editor\" data-id=\"43d8bec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-QuQJd7lD1oSk3hxfEKEcHvmvnsb\"><div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZFyXdWBgJotebSxew7jcgqOknSb\">Select a suitable polyimide as the laminating material, which can be prepreg. Stack inner laminates, outer laminates, and prepreg polyimide materials together according to the design requirements. A thin layer of copper foil is heated and pressed onto a polyimide substrate. The stacked material is placed in a vacuum bag and the air is extracted to ensure that there are no air bubbles during the lamination process. Place the vacuum bag into a heat press for high temperature and pressure. The temperature and pressure parameters need to be set according to the characteristics of the polyimide material, usually between 350\u00b0C and 450\u00b0C and between 5 and 15 atm.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f68139 elementor-widget elementor-widget-text-editor\" data-id=\"1f68139\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PgxldNEpfop9ydxYM9kcH3REnWd\">After lamination, the material needs to be cooled slowly to cure the resin. This step is essential to ensure the complete curing of the polyimide resin and the strength of the interlaminar bond.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9656be0 elementor-widget elementor-widget-heading\" data-id=\"9656be0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Photoresist and photolithography<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0243f37 elementor-widget elementor-widget-text-editor\" data-id=\"0243f37\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-NULAdErbmo5WnoxOKNocUvz9nwh\">A photosensitive photoresist is placed on a copper foil. This photoresist acts as a protective layer during the <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-etching-definition-types-process\/\">etching<\/a> process.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-923a34f elementor-widget elementor-widget-text-editor\" data-id=\"923a34f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-I46bdayULo13ixxDCwwcREMJnDc\">Using a photomask and UV irradiation, the circuit pattern is transferred to the photoresist layer. The exposed area of the photoresist becomes soluble and can be removed during the development process.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cdfd9b1 elementor-widget elementor-widget-heading\" data-id=\"cdfd9b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Etching<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f76ef2 elementor-widget elementor-widget-text-editor\" data-id=\"1f76ef2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WqvxdHGiLoXSACxSqW5cSOKdnxc\">The unwanted copper is then removed using a chemical<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-etching-definition-types-process\/\"> etching<\/a> process, leaving the desired circuit traces. The etching process needs to be precisely controlled to ensure the accuracy and reliability of the PCB. In <a href=\"https:\/\/www.elepcb.com\/\">ELEPCB<\/a>&#8216;s PCB manufacturing, the etching process is often automated to improve efficiency and consistency. So it&#8217;s a great idea to trust your project with us.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69c29e4 elementor-widget elementor-widget-heading\" data-id=\"69c29e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Photoresist Stripping<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41c3d3f elementor-widget elementor-widget-text-editor\" data-id=\"41c3d3f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XCsPdjEzwolxQ2xLwFecnmvWnig\">Depending on the type of photoresist being used, a suitable stripper is selected. The stripper can be an organic solvent, alkaline solution, or other specialized chemical that can dissolve or soften the photoresist effectively. Apply the stripper evenly to the <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-surface-finish\/\">PCB surface<\/a>, ensuring it covers all areas where the photoresist needs to be removed.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62d1a78 elementor-widget elementor-widget-text-editor\" data-id=\"62d1a78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XvindEbD1ocn8CxARnRcafx1nRg\">The photoresist stripping process requires special attention, as incomplete stripping may result in photoresist residue that can affect the performance of the circuit and the quality of subsequent manufacturing steps.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b5184a elementor-widget elementor-widget-heading\" data-id=\"2b5184a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Solder Mask<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfddfa0 elementor-widget elementor-widget-text-editor\" data-id=\"dfddfa0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-solder-mask\/\">solder mask<\/a>, usually a green or blue polymer, is applied to the surface of a printed circuit board. It protects the copper traces from oxidation and helps to define the pad area.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cbe0c63 elementor-widget elementor-widget-heading\" data-id=\"cbe0c63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Surface Finish<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a80d50 elementor-widget elementor-widget-text-editor\" data-id=\"3a80d50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-Mj4MdbgZoouxPsxjXYMcVUYsnYe\">Depending on the application, different surface treatments such as <a href=\"https:\/\/www.elepcb.com\/blog\/electroless-nickel-immersion-gold\/\">ENIG<\/a> (Electroless Nickel Immersion Gold), <a href=\"https:\/\/www.elepcb.com\/blog\/hot-air-solder-leveling\/\">HASL<\/a> (Hot Air Solder Levelling), or <a href=\"https:\/\/www.elepcb.com\/blog\/organic-solderability-preservative\/\">OSP<\/a> (Organic Solderable Preservative) can be used.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69b19b0 elementor-widget elementor-widget-heading\" data-id=\"69b19b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Drilling<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f25775c elementor-widget elementor-widget-text-editor\" data-id=\"f25775c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-Mj4MdbgZoouxPsxjXYMcVUYsnYe\"><div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-XinmdnxPXonHhgxCm8JcVFcmnvh\">Fix the PCB on the working table of the <a href=\"https:\/\/www.elepcb.com\/blog\/ins-and-out-of-pcb-drilling-revealed\/\">drilling<\/a> machine, and make sure that the board is flat and accurately positioned to drill holes to form a through-hole. The quality of PCB drilling directly affects the electrical properties and mechanical strength of the PCB. Therefore, the drilling process requires strict control of drill selection, drilling parameters, cooling and lubrication, and other conditions to ensure the accuracy and quality of the drilled holes. With the development of technology, many PCB manufacturers adopt laser drilling technology, especially for high-density <a href=\"https:\/\/www.elepcb.com\/product\/hdi-pcb\/\">HDI<\/a> boards, to achieve smaller hole diameters and higher positional accuracy.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a865034 elementor-widget elementor-widget-heading\" data-id=\"a865034\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Plating<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-694e801 elementor-widget elementor-widget-text-editor\" data-id=\"694e801\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Similar to other common PCBs, polyimide PCBs require through-hole plating. Metallization is first carried out on the cleaned hole walls. Usually, chemical copper plating is used to make the hole wall electrically conductive and to lay the foundation for the adhesion of the copper plating layer. Electroplated copper is applied to the metalized hole wall to form a uniform copper layer. Electroplated copper is the channel for signal transmission, and it is necessary to ensure the uniformity and sufficient thickness of the copper layer to meet the current-carrying capacity and impedance requirements of the circuit.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8309cab elementor-widget elementor-widget-heading\" data-id=\"8309cab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Final Inspection and Testing<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-006c920 elementor-widget elementor-widget-text-editor\" data-id=\"006c920\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Testing in the manufacture of polyimide PCBs is a critical part of ensuring <a href=\"https:\/\/www.elepcb.com\/product\/\">product<\/a> quality and performance, with the main<a href=\"https:\/\/www.elepcb.com\/tag\/pcba-test\/\"> tests<\/a> covering material properties, processing quality, and final product performance. Complete polyimide printed circuit boards undergo visual inspection and a variety of electrical and mechanical tests to <a href=\"https:\/\/www.elepcb.com\/pcb-quality-control\/\">ensure quality and performance<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a289e8c elementor-widget elementor-widget-text-editor\" data-id=\"a289e8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-Mj4MdbgZoouxPsxjXYMcVUYsnYe\"><div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HA2Hd0HkXoXPiLxcNIdcWG6fnTb\">The entire manufacturing process requires precise control of the conditions of each step to ensure that the performance of the final product meets the requirements. Polyimide PCBs are particularly suitable for military, aerospace, home appliances, and other applications due to their excellent physical, electrical, and<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-thermal-management\/\"> thermal<\/a> properties.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf94e60 elementor-widget elementor-widget-heading\" data-id=\"bf94e60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Applications of Polyimide PCBs<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df3d1e7 elementor-widget elementor-widget-text-editor\" data-id=\"df3d1e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PD53dIDi6oY35UxdCmecqmWgnsc\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RQxQdMShXoahQFxg6cCcJ4pInvg\"><div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-DeBtdT8M2oZGBWx72sqckJpgnfb\">Their unmatched survivability and reliability against thermal, mechanical, and chemical extremes make polyimide circuit boards the top choice for:<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3947ed4 elementor-widget elementor-widget-heading\" data-id=\"3947ed4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Automotive Electronics<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b2bdf0 elementor-widget elementor-widget-text-editor\" data-id=\"6b2bdf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ErpKdhq8uoDynYx4CBpcpBJlnzF\">Engine control units and transmission controllers face exposure to oils at high temperatures in cramped compartments. Flexible cabling linking door components see perpetual motion along with moisture and chemical corrosion. Polyimide PCBs thrive in these operating environments to provide <a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\">automotive<\/a>-grade durability.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15c1c79 elementor-widget elementor-widget-heading\" data-id=\"15c1c79\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Aerospace and Military Systems<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee1f751 elementor-widget elementor-widget-text-editor\" data-id=\"ee1f751\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-KTwGdxKD6op4qGxnOPecNhN4n9f\">Missiles, fighter aircraft and drones experience some of the most violent temperature swings and vibration forces but cannot afford compromised functionality. Their electronics leverage polyimides to continue functioning in conditions that would wreck<a href=\"https:\/\/www.elepcb.com\/blog\/what-is-fr-4-material-in-pcb-fabrication\/\"> FR4<\/a> boards.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a84bc28 elementor-widget elementor-widget-heading\" data-id=\"a84bc28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Medical Devices<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51f0438 elementor-widget elementor-widget-text-editor\" data-id=\"51f0438\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-DcdCd0tZPoSOd6xdC2ScG7jpnpe\">Implanted devices like pacemakers similarly handle the challenging moisture, chemical and mechanical stability needs using polyimide circuits, while critical diagnostic equipment benefits from their radiation tolerance.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb4337e elementor-widget elementor-widget-heading\" data-id=\"fb4337e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Consumer Electronics<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc59bb3 elementor-widget elementor-widget-text-editor\" data-id=\"dc59bb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PD53dIDi6oY35UxdCmecqmWgnsc\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-K1SxdDFjdocUmkxCXJlcpsxcngh\"><div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RgtvdKAEhov6WaxUbsUcWOQbnVc\">Even everyday mobile phones, laptops, and game consoles have gradually adopted polyimide components to handle contacting stresses and the enclosed conditions created as devices shrink while performance rises.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e41e841 elementor-widget elementor-widget-heading\" data-id=\"e41e841\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Industrial Controls<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cddc41 elementor-widget elementor-widget-text-editor\" data-id=\"7cddc41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-N6L8dVkt0odtaYxU2stckzrpn9f\">Process automation systems demand uninterrupted operation spanning decades in all types of environments. Polyimides enable them to meet the stability and longevity goals to minimize downtime losses in precision manufacturing.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13dd828 elementor-widget elementor-widget-text-editor\" data-id=\"13dd828\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RnhpdwCwsoOuSSxzmbtciuFdnNb\">In all these situations involving high-value electronics, extraordinary resilience pays dividends over the operating life to protect the functionality. Even satellites heading into the harsh radiation and temperature swings of space leverage polyimide tech to protect their electronics. Simply put, no other PCB material offers the combination of handling the most extreme real-world survival needs while still offering advanced electrical capabilities.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71a48a8 elementor-widget elementor-widget-heading\" data-id=\"71a48a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Polyimide PCB vs. FR4 PCB Comparison<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b4521e elementor-widget elementor-widget-text-editor\" data-id=\"2b4521e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-KWFodi1v2oCKvXxlYEdcFgHJnJc\">Polyimide and <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-fr-4-material-in-pcb-fabrication\/\">FR4<\/a> PCB substrates have vastly different composition and capabilities:<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fa89db elementor-widget elementor-widget-heading\" data-id=\"4fa89db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Flexibility<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52b2d1c elementor-widget elementor-widget-text-editor\" data-id=\"52b2d1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BAQtdDZFRor45fxMMndc1oMTnWv\">The base polyimide material is inherently flexible, lending itself to dynamic flexing circuits in contrast to inherently rigid FR4 boards. This enables bending to conform around structures or in-motion applications.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7e9412 elementor-widget elementor-widget-heading\" data-id=\"c7e9412\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Thermal Stability<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02e2d23 elementor-widget elementor-widget-text-editor\" data-id=\"02e2d23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Jl6JdR809oLpBzxpzRkc0DwYnSd\">Polyimides offer 2-3X the maximum operating temp, easily handling over 260\u00b0C continuously vs 130-150\u00b0C limits for FR4. They also withstand sudden spikes and swings without issue that exceed FR4 temp limits. This gives far greater resilience in high-temperature environments.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66584c2 elementor-widget elementor-widget-heading\" data-id=\"66584c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><b>Chemical Resistance<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0484d97 elementor-widget elementor-widget-text-editor\" data-id=\"0484d97\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Ey6VdP6XGo8Ljvx9qG4cVf9QnOb\">In addition to temperature extremes, polyimides shrug off chemical exposure that quickly degrades FR4 substrates. Oils, fuels, and solvents rapidly seep into and swell epoxy glass boards. Polyimides\u2019 molecular structure protects them from corrosive substances for the product&#8217;s lifetime.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe66cfe elementor-widget elementor-widget-heading\" data-id=\"fe66cfe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><b>Cost<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c210b72 elementor-widget elementor-widget-text-editor\" data-id=\"c210b72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HQwCdeDHNoJGgVxN9zGcM2gTnOh\">Polyimide PCB fabrication needs special materials and processing that make it costlier, along with lower economies of scale than ubiquitous FR4. However, for vital electronics justifying a premium, the value far outweighs FR4 boards failing in demanding environments.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf7c01e elementor-widget elementor-widget-heading\" data-id=\"cf7c01e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><b>Common Applications<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10edf4d elementor-widget elementor-widget-text-editor\" data-id=\"10edf4d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WazLd3DWwoZl2MxEU2UcG9b1n2o\">FR4 remains popular for benign environments seeing largely indoor room temperatures and humidity, though advances enable them for some ruggedisation. Polyimide dominates anywhere pushing the limits &#8211; jet engine controls, car electronics, Arctic exploration sensor pods, Venus surface probes, and future technologies like electronic skin sensors. Whenever dealing with survival needs rather than just benign economics, polyimides beat everything else hands down!<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-962f0d4 elementor-widget elementor-widget-text-editor\" data-id=\"962f0d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"true\"><table class=\"ace-table\" style=\"border: none; table-layout: fixed; width: 500px;\" data-ace-table-col-widths=\"241;277;302\"><colgroup> <col width=\"241\" \/> <col width=\"277\" \/> <col width=\"302\" \/><\/colgroup><tbody><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-NJPPdCySFoVMnIxABw5ce5HPnng\"><strong>Parameter<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-GJD7djKqmoTQizx0dmTcDjQunPa\"><strong>Polyimide <\/strong><strong>PCB<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-JjVxdN2Cqol8dCx1bNQc3NYenLe\"><strong>FR4 <\/strong><strong>PCB<\/strong><\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-BwIJdRUqcozF5Cx2lt4cKZu0nOe\">Flexibility<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-PpI9dwuIMoiWvyxuY9scSmcmnQg\">Highly flexible<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-JN38dz3ukoQZlXxRNO8ca7gEnyb\">Rigid, not bendable<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-JaI7dbikdoHIatxr3Evc2vBQnMh\">Max Operating Temperature<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-WvKkdQGbLovB3PxEbFzcvDI8nMb\">&gt;260\u00b0C<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-G2OAdI74JotzQbxNPchcKs5lnid\">130-150\u00b0C<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-UFqtdGi8bouH6LxkHh4ckXr4nvf\">Thermal Stability<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-OkwUddo9uoahN0xeifzcWSrFnAh\">Excellent, withstand spikes<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-KQ23dYPT4o8mbDxl3Sxct7UEnEh\">Lower, less heat tolerant<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-VTYxd0CZOonYtfxw54ecuPcen0g\">Chemical Resistance<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-JhJId0ZwdoJVP2xb6MecCKckn7d\">High, shrugs off most chemicals<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-LDkUdPCMuo2NXGxp3HUceqgonfc\">Medium, susceptible to degradation<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-BTSddFWReoladSxaMmjc8UW6nZg\">Cost<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-GBlyd8sDsoewUHxinBocrnq1nnb\">More expensive<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-G8KadJLrKoHUTvxcCzgc0dMNnNh\">Cheaper<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Mdm2df5vroEKb5x4RrVcCtfvnB6\">Common Applications<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-KZpddqnTkoNr9zxoRZkc4arZnqe\">In extreme environments (aerospace, automotive), high reliability needed<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-OD3Bdh6SboFrbmxM9jIcmIXenEb\">Benign environments, indoor electronics<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-EFTsdes2toU4KIx7z6HcqqGan7b\">Overall Toughness<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-EqL5dUuKBox3w3xFEcccxCvxn8f\">Unmatched resilience against harsh temperatures, chemicals etc.<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Az7zdwjkToWZ3AxFUARclNKxnSb\">Adequate for mild environments<\/div><\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05c1ce4 elementor-widget elementor-widget-heading\" data-id=\"05c1ce4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Trends and Innovations <\/b><br><b>in Polyimide PCB Technology<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-514d55a elementor-widget elementor-widget-text-editor\" data-id=\"514d55a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Nh8Bd0sUeotJulxUmwicyli1nqc\">While already at the leading edge of material science applications, continuing R&amp;D is improving polyimide flex circuits:<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-017d038 elementor-widget elementor-widget-heading\" data-id=\"017d038\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><b>Ultra-thin Flex Circuits<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a37d432 elementor-widget elementor-widget-text-editor\" data-id=\"a37d432\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RqchdSDX1oTKKkxWyyjcGupXnZg\">Demand for wearable electronics and compact folded circuits requires continuous reductions in polyimide film substrate thicknesses. Manufacturers already offer flex PCBs with 6 microns dielectric &#8211; thinner than paper! Driving towards sub-5um will enable integrating circuits into clothing or biosensors.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b5a02b elementor-widget elementor-widget-heading\" data-id=\"4b5a02b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><b>Higher Layer Count<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6aa437 elementor-widget elementor-widget-text-editor\" data-id=\"d6aa437\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-UrGRdiTysopVX4xvC9Ec6EJNnDb\"><a href=\"https:\/\/www.elepcb.com\/product\/hdi-pcb\/\">HDI<\/a> tech enabling greater stacked via densities allows complex flex PCBs to rival rigid boards for layer counts. This facilitates increased component density essential for electronics miniaturization. The dimensional stability of polyimides ensures the integrity of these densely packed circuits despite flexing.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7437415 elementor-widget elementor-widget-heading\" data-id=\"7437415\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><b>Flex-Rigid Boards<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5252dc0 elementor-widget elementor-widget-text-editor\" data-id=\"5252dc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-DIphdV4lhoW1wwx6rtyc67hen8e\">Combining stiff FR4 sections for mounting chips, with thin bendable polyimide sections allows single boards able to fold around structures for compact electronics. Emerging standards for such hybrid boards open new packaging possibilities.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b63f1f elementor-widget elementor-widget-heading\" data-id=\"5b63f1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><b>Advanced Dielectrics<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-916b004 elementor-widget elementor-widget-text-editor\" data-id=\"916b004\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CmZpd8wdjoDjd4xQaHWcGvQUngg\">Engineered polyimide formulations and laminate structures better optimize dielectric constants and loss tangents to suit higher frequency analog or RF layouts. This complements the base material properties for next-gen wireless mobile or satellite electronics needing every advantage.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b2ec50 elementor-widget elementor-widget-heading\" data-id=\"4b2ec50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><b>Additives and Formulations<\/b><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67d7f6c elementor-widget elementor-widget-text-editor\" data-id=\"67d7f6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CUOUdzcLqoTDLLxvxYBcJmQNnyg\">Ongoing material advances look to further augment polymer characteristics for stability, bonding, adhesion, thermal conductivity, and dielectric performance. Manufacturing enhancements also improve fabrication precision and yields for these already premium boards. Across every vector, polyimide PCB tech continues pushing the performance envelope!<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0338e18 elementor-widget elementor-widget-heading\" data-id=\"0338e18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Conclusion<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff2b90a elementor-widget elementor-widget-text-editor\" data-id=\"ff2b90a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PD53dIDi6oY35UxdCmecqmWgnsc\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Ws1hdFyDsoN8Dgxz5DDcKA92nQh\"><div data-page-id=\"Mu2GdOqSJoWea2xlIlccjqGUnXe\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Vdt7dePCXoQgHMxynIUcVPZWnZc\">As electronics advance to more extreme environments and mission-critical roles, polyimide PCB technology provides unmatched resilience to keep systems functioning reliably. Continued progress expands polyimides\u2019 capabilities for the next generation of electronics innovation needs.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65f840d elementor-widget elementor-widget-heading\" data-id=\"65f840d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7f769617 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f769617\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6d1dd2aa\" data-id=\"6d1dd2aa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-56b52b10 elementor-widget elementor-widget-toggle\" data-id=\"56b52b10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1451\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1451\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q1:What thickness polyimide material is used in PCBs?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1451\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1451\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div>A1: Polyimide dielectric layers in flex PCBs typically range from 25-125 microns thick, while the copper foil conductive layers are usually between 12-35 microns thick. These ultra-thin dimensions aid flexibility.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1452\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1452\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q2:Can polyimide PCBs be used for high-frequency circuits?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1452\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1452\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BWQ0dJKPTovPhYx6XTfc9xMAngc\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZGjidQpZuouEMuxnruBcR4Ujndg\">A2: Yes, the stable electrical properties and tightly controlled dielectric constant of polyimide films make this material suitable for RF, analogue, and other high-frequency flex PCB applications.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1453\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1453\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q3:Is polyimide biocompatible for medical use?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1453\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1453\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\">A3: Polyimide has resistance to radiation and acids\/base chemicals along with bio-inert properties that make the material compatible for use in flexible printed circuits for medical devices and biosensor applications.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1454\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1454\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q4:Does polyimide outgas in vacuum environments?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1454\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1454\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\">A4: Polyimides emit minimal outgassed compounds even in vacuum applications like satellite systems, unlike most polymers. This enables their use in electronics exposed to space pressures.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1455\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1455\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q5:Can polyimide PCBs be recycled?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1455\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1455\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\">A5: Yes, polyimide flexible PCBs can be recycled and reused to some extent, unlike thermoset materials. However, specialized processes are needed to separate and reprocess the polymer films and metal layers.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-27663674 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"27663674\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-32fedc4d\" data-id=\"32fedc4d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a204464 elementor-widget elementor-widget-shortcode\" data-id=\"6a204464\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"2056\" class=\"elementor elementor-2056\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6012901 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6012901\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-afac9b2\" data-id=\"afac9b2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b379375 elementor-widget elementor-widget-image\" data-id=\"b379375\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/pcb-products\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-768x1024.jpg\" class=\"attachment-large size-large wp-image-15779\" alt=\"pcb and pcba products 1\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-768x1024.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-225x300.jpg 225w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-1152x1536.jpg 1152w, 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width=\"800\" height=\"534\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1024x683.jpg\" class=\"attachment-large size-large wp-image-15819\" alt=\"contact us\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1024x683.jpg 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-300x200.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-768x512.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1536x1024.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-2048x1365.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-a17958a\" data-id=\"a17958a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4326577 elementor-widget elementor-widget-image\" data-id=\"4326577\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/pcb-products\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-768x1024.jpg\" class=\"attachment-large size-large wp-image-15778\" alt=\"pcb and pcba products 2\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-768x1024.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-225x300.jpg 225w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-1152x1536.jpg 1152w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-1536x2048.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-scaled.jpg 1921w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3dd32bd7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3dd32bd7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-30e73de5\" data-id=\"30e73de5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6e6f562b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e6f562b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-1aae434c\" data-id=\"1aae434c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-7de62f23\" data-id=\"7de62f23\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-225d5b79 elementor-widget elementor-widget-text-editor\" data-id=\"225d5b79\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-family: Oswald, sans-serif; margin: 0px; padding: 0px 0px 10px; line-height: 1.125em; font-size: 32px; text-transform: uppercase; text-align: center; color: #0a1f34;\">CONTACT US<\/p><div class=\"textwidget\"><div id=\"wpcf7-f5-p60-o1\" class=\"wpcf7\" dir=\"ltr\" lang=\"en-US\" role=\"form\"><div class=\"screen-reader-response\" style=\"position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0px; overflow: hidden; clip: rect(0px, 0px, 0px, 0px); border: 0px;\"><p style=\"font-size: 15px; line-height: 1.58em; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding: 25px 0px 15px; text-align: center; max-width: 846px;\" role=\"status\" aria-live=\"polite\" aria-atomic=\"true\">\u00a0<\/p><\/div><form id=\"cf7-form-5\" class=\"wpcf7-form init cf7mls-no-scroll cf7mls-no-moving-animation\" style=\"position: relative; overflow: hidden;\" action=\"https:\/\/www.mclpcb.com\/capabilities\/#wpcf7-f5-p60-o1\" method=\"post\" novalidate=\"novalidate\" data-status=\"init\" data-fx-id=\"1587946425258918\"><div class=\"contact-inner\" style=\"max-width: 846px; margin: 0px auto;\"><p style=\"font-size: 15px; line-height: 1.58em; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding: 25px 0px 15px; text-align: center; max-width: 846px;\">We provide technical expertise form prototype through production, increasing speed to market by 20%.<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Contact us below to start discussing your project with our Technical Experts today.<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Whether you already have Gerber Files, submit a\u00a0Quick Quote\u00a0for free estimate.<\/p><\/div><\/form><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5782c747 elementor-button-align-center elementor-widget elementor-widget-form\" data-id=\"5782c747\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"2056\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"5782c747\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"An Ultimate Guide to PCB Inspection Methods-ELE PCB\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"4187\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tYour Name\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-message elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail Address\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[message]\" id=\"form-field-message\" class=\"elementor-field elementor-size-sm  elementor-field-textual\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_373bda7 elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_373bda7\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tPhone Number\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_373bda7]\" id=\"form-field-field_373bda7\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Csak a sz\u00e1mok \u00e9s telefonkarakterek (#, -, * stb.) fogadhat\u00f3k el.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-checkbox elementor-field-group elementor-column elementor-field-group-field_c168eb1 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_c168eb1\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tI am interested in (select all that apply)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<div class=\"elementor-field-subgroup  elementor-subgroup-inline\"><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Rigid PCBs\" id=\"form-field-field_c168eb1-0\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-0\">Rigid PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible Printed Circuit Boards\" id=\"form-field-field_c168eb1-1\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-1\">Flexible Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible Aluminum PCBs\" id=\"form-field-field_c168eb1-2\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-2\">Flexible Aluminum PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible PCB Microcircuits\" id=\"form-field-field_c168eb1-3\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-3\">Flexible PCB Microcircuits<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Ultra-Thin Flexible PCBs\" id=\"form-field-field_c168eb1-4\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-4\">Ultra-Thin Flexible PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Rigid-Flex\" id=\"form-field-field_c168eb1-5\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-5\">Rigid-Flex<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Ceramic Printed Circuit Boards\" id=\"form-field-field_c168eb1-6\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-6\">Ceramic Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Aluminum Printed Circuit Boards\" id=\"form-field-field_c168eb1-7\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-7\">Aluminum Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Copper Core\" id=\"form-field-field_c168eb1-8\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-8\">Copper Core<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"IC Substrates &amp; Interposer\" id=\"form-field-field_c168eb1-9\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-9\">IC Substrates & Interposer<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"High TG PCBs\" id=\"form-field-field_c168eb1-10\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-10\">High TG PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Heavy Copper\" id=\"form-field-field_c168eb1-11\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-11\">Heavy Copper<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"PCB Assembly\" id=\"form-field-field_c168eb1-12\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-12\">PCB Assembly<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Components Sourcing\" id=\"form-field-field_c168eb1-13\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-13\">Components Sourcing<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Other\" id=\"form-field-field_c168eb1-14\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-14\">Other<\/label><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-upload elementor-field-group elementor-column elementor-field-group-field_2cea676 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_2cea676\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tUpload Your Files (Optional)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_2cea676]\" id=\"form-field-field_2cea676\" class=\"elementor-field elementor-size-sm  elementor-upload-field\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-field_9ceb2c8 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_9ceb2c8\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[field_9ceb2c8]\" id=\"form-field-field_9ceb2c8\" rows=\"4\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-123957a9\" data-id=\"123957a9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Table of Contents As electronic devices become more high-performance and multifunctional, the demand for circuit board\u00a0materials\u00a0is increasing. In recent years, polyimide PCBs have become one of the most popular choices for\u00a0products\u00a0that require something other than conventional\u00a0FR4\u00a0boards. Polyimide PCBs refer to printed circuit boards that use polyimide as the flexible insulating dielectric substrate onto which the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13115,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[129],"class_list":["post-13113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-pcb-manufacturing"],"_links":{"self":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/13113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/comments?post=13113"}],"version-history":[{"count":48,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/13113\/revisions"}],"predecessor-version":[{"id":21835,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/13113\/revisions\/21835"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media\/13115"}],"wp:attachment":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media?parent=13113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/categories?post=13113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/tags?post=13113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}