{"id":12697,"date":"2024-07-24T14:17:53","date_gmt":"2024-07-24T06:17:53","guid":{"rendered":"http:\/\/www.elepcb.com\/?p=12697"},"modified":"2025-01-06T13:33:11","modified_gmt":"2025-01-06T05:33:11","slug":"pcb-copper-thickness","status":"publish","type":"post","link":"https:\/\/www.elepcb.com\/it\/blog\/pcb-copper-thickness\/","title":{"rendered":"Spessore del rame dei PCB: Una guida completa"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"12697\" class=\"elementor elementor-12697\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2990eb35 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2990eb35\" 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-57afd263\" data-id=\"57afd263\" 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-1b94e468 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"1b94e468\" 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__1b94e468\" aria-expanded=\"true\" aria-label=\"Aprire l&#039;indice dei contenuti\"><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__1b94e468\" aria-expanded=\"true\" aria-label=\"Chiudere l&#039;indice\"><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__1b94e468\" 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-2ce12013 elementor-widget elementor-widget-text-editor\" data-id=\"2ce12013\" 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>As an indispensable component of modern electronic equipment, PCBs carry the electrical connections between electronic components, and their design and manufacturing quality are directly related to product performance and reliability. In the design and production process of PCB, copper foil thickness is a key parameter, which has an important impact on the electrical performance,\u00a0<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-thermal-management\/\">thermal management<\/a>, cost, and manufacturing process of the circuit board.<\/div><div>\u00a0<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;\">Understanding copper thickness is essential for\u00a0<\/span><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\/tag\/pcb-design\/\">PCB design<\/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;\">\u00a0and manufacturing to function properly.\u00a0<\/span><\/div><\/div><div><div class=\"ace-line ace-line old-record-id-PcPLdhzDxo4PE6xj1acctL2gnAd\">In this blog,\u00a0<a href=\"https:\/\/www.elepcb.com\/\">ELEPCB<\/a>\u00a0will cover everything you need to know, including:<\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-UMtcdTAatogY11xW51scMAoJndc\" data-list=\"bullet\"><div>How\u00a0<strong>PCB copper thickness<\/strong>\u00a0is specified and measured<\/div><\/li><li class=\"ace-line ace-line old-record-id-QnYBdF3A5oUD0exeLtTcaCoInXc\" data-list=\"bullet\"><div>Why copper weight matters for current capacity, thermal performance, and impedance<\/div><\/li><li class=\"ace-line ace-line old-record-id-XaaUd0Svto0p4oxlKR1c1YlDnMg\" data-list=\"bullet\"><div>How to select the right copper thickness for your application<\/div><\/li><li class=\"ace-line ace-line old-record-id-A4zjdIqX2oGaaoxyB48c6bsRnOc\" data-list=\"bullet\"><div>Heavy copper\u00a0<a href=\"https:\/\/www.elepcb.com\/pcb-manufacturing-process-and-services\/\">PCB fabrication<\/a>\u00a0and design considerations<\/div><\/li><li class=\"ace-line ace-line old-record-id-P4mPdeqWZoBW0fx5yqscmB5qn1d\" data-list=\"bullet\"><div>Industry standards for PCB copper foil<\/div><\/li><\/ul><div class=\"ace-line ace-line old-record-id-Hv6JdTl9eojdVAxGNNYclqpbnyf\">Whether you\u2019re just starting with PCBs or looking to use heavier copper, ELEPCB will guide and equip you with the key information to make informed decisions. Let\u2019s get started!<\/div><\/div><div data-page-id=\"BaAqdv8UmonE8ZxHyouc2xGbn6c\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div>\u00a0<\/div><\/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-709a0af elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"709a0af\" 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-9ab5af9\" data-id=\"9ab5af9\" 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-bc831f3 elementor-widget elementor-widget-spacer\" data-id=\"bc831f3\" 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-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<h1 class=\"elementor-heading-title elementor-size-default\"><b>PCB Copper Thickness Measurements and Units<\/b><\/h1>\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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-QK9hdCdTzoh4j4xuBQmcAZQSn5b\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Cd8xdeMY0oEs0HxVrerchebZn4e\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CLe7dnvWtorSlzxzbxwc19pVncf\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JaSGdRT2Rop8PqxVwpFczsyKnne\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Ga73d9UrFofxnixTRzYceu0Yn1c\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-K6EpdgkSWoP2JAxVqa2coRspnjd\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-LUsldC9ryodgTixCzYwcFaP5nrc\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WFYed06zEojGbyxmIFFcfmXznQg\">The first thing to understand about PCB copper is the terminology and measurements used. Here\u2019s an overview.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-4518ccb elementor-widget elementor-widget-heading\" data-id=\"4518ccb\" 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>What is PCB Copper Thickness?<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1714cc1 elementor-widget elementor-widget-text-editor\" data-id=\"1714cc1\" 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=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZLPZd6570onQxdxqZo7ciJQtnkf\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Mu3jd0siOoVGrsxoUyFcVSoGnLe\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RTRnd7YlSo7NchxmjFwc3KRdnzh\"><strong>PCB<\/strong><strong> copper thickness<\/strong> refers to the thickness of the copper foil laminated onto the insulating dielectric layers in a printed circuit board. This copper foil is the conductive component of PCB traces, planes, and other features.<\/div><div class=\"ace-line ace-line old-record-id-Pu6LdGCTroXTTpx3LUBc4Tqrncd\">Common thicknesses range from:<\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-LPXkdSTLooSlRfxYcAfcA4hhnAh\" data-list=\"bullet\"><div>0.5 oz (0.7 mil)<\/div><\/li><li class=\"ace-line ace-line old-record-id-S2SJdouN9oj1EvxkXBSc4DMGnrh\" data-list=\"bullet\"><div>1 oz (1.4 mil)<\/div><\/li><li class=\"ace-line ace-line old-record-id-VDrWdIvbCokW89xe62bcKnQinnc\" data-list=\"bullet\"><div>2 oz (2.8 mil)<\/div><\/li><li class=\"ace-line ace-line old-record-id-L0CLdvxeDoL5Lixkq4qcFG2Gnvd\" data-list=\"bullet\"><div>Up to 3+ oz (&gt;4 mils)<\/div><\/li><\/ul><\/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<div class=\"elementor-element elementor-element-7398e36 elementor-widget elementor-widget-image\" data-id=\"7398e36\" 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=\"600\" height=\"372\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/Copper-Thickness.png\" class=\"attachment-medium_large size-medium_large wp-image-12724\" alt=\"\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/Copper-Thickness.png 600w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/Copper-Thickness-300x186.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\">\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-e02cb73 elementor-widget elementor-widget-heading\" data-id=\"e02cb73\" 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>Why Copper Weight Instead of Thickness Measurement?<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5db5e7 elementor-widget elementor-widget-text-editor\" data-id=\"e5db5e7\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-IEMXdCQomoZyWHxMDoBcDnQdnVg\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-M6LLdNwt8oaqalxE8Qsc2qBMnwb\">Originally, the copper foil supplied for <a href=\"https:\/\/www.elepcb.com\/pcb-manufacturing-process-and-services\/\">PCB fabrication<\/a> was specified by weight. Ounces referred to the weight of copper covering one square foot.<\/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-fa9cff4 elementor-widget elementor-widget-text-editor\" data-id=\"fa9cff4\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-IEMXdCQomoZyWHxMDoBcDnQdnVg\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WzJndj35pohUAbx77yxcB5D4nVd\">Using a standard weight per area provided a consistent basis for specifying foil thickness that was easy to track through the manufacturing process back to the raw <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-substrate-materials\/\">material<\/a> supplier.<\/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-b39b7c4 elementor-widget elementor-widget-text-editor\" data-id=\"b39b7c4\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-IEMXdCQomoZyWHxMDoBcDnQdnVg\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-VZ3Fdkt7KonIZCxExx7c3BkTnze\">It also enabled simpler quality control checks by comparing the copper weight of finished boards to the starting material.<\/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-775c3f9 elementor-widget elementor-widget-text-editor\" data-id=\"775c3f9\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-IEMXdCQomoZyWHxMDoBcDnQdnVg\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-VZ3Fdkt7KonIZCxExx7c3BkTnze\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Vf5OdRmvkoqGHyxjNP7cl2f7nDZ\">So the convention of specifying <strong>\u201c<\/strong><strong>PCB<\/strong><strong> copper weight\u201d<\/strong> in ounces stuck, even as thickness measurements in mils and microns became more common.<\/div><\/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<div class=\"elementor-element elementor-element-ba96520 elementor-widget elementor-widget-heading\" data-id=\"ba96520\" 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>Converting Between Copper Weight and Thickness<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ede5f8b elementor-widget elementor-widget-text-editor\" data-id=\"ede5f8b\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TsjpdFnyUo7IKaxKP4Pc7QQLn6f\">While the nominal thicknesses shown above are standard, the actual foil thickness for a given weight can vary slightly. Also, etching and handling during <a href=\"https:\/\/www.elepcb.com\/pcb-manufacturing-process-and-services\/\">PCB fabrication<\/a> can reduce foil thickness by 10-15%. So it\u2019s helpful to understand copper weight conversions, and account for potential thickness reductions during processing.<\/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-25cf43f elementor-widget elementor-widget-text-editor\" data-id=\"25cf43f\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Jll7dsWrCoFxF3xuZj0cm3iTnog\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Iz1Nd4KAAo5VPexst85cVwxsnCg\">Here is an approximate <strong>PCB<\/strong><strong> copper thickness<\/strong> conversion table:<\/div><table><colgroup><col width=\"119\" \/><col width=\"147\" \/><col width=\"161\" \/><\/colgroup><tbody><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; font-weight: bold; word-break: break-word; overflow-wrap: break-word;\">Copper Weight<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; font-weight: bold; word-break: break-word; overflow-wrap: break-word;\">Thickness (Mils)<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; font-weight: bold; word-break: break-word; overflow-wrap: break-word;\">Thickness (Microns)<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\">0.5 oz<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"0.67\">0.67<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"17\">17<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\">1 oz<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"1.4\">1.4<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"35\">35<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\">2 oz<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"2.8\">2.8<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"70\">70<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\">3 oz<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"4.2\">4.2<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"106\">106<\/td><\/tr><\/tbody><\/table><\/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-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>Importance of PCB Copper Thickness<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d124d58 elementor-widget elementor-widget-text-editor\" data-id=\"d124d58\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-P4cxd1xD5oBncJx7di4cUHYVnVe\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Fk4qdpV0VoWokbxISkic14I9nEd\">Now that we understand the terminology and measurements around PCB copper, let\u2019s explore why getting the thickness right matters.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-bce1467 elementor-widget elementor-widget-heading\" data-id=\"bce1467\" 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>Copper Thickness Impact on Current Carrying Capacity<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d79783 elementor-widget elementor-widget-text-editor\" data-id=\"8d79783\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YFHLdrpaGohE1CxEAFocZhennFs\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Ve4ddSnEZoSx5HxQPkqcQJpznDd\">One of the biggest considerations is using an adequate <strong>PCB<\/strong><strong> copper thickness<\/strong> to handle operating currents without overheating.<strong>Thicker copper has much higher current capacity<\/strong> than thinner foils because:<\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-XLpDd9kPSovWCDxyzKwcA2ldn5e\" data-list=\"bullet\"><div>It has lower electrical resistance, resulting in less I2R power loss<\/div><\/li><li class=\"ace-line ace-line old-record-id-Frm0dNLQWo8O8YxV0Ioc4r6znjf\" data-list=\"bullet\"><div>The thicker foil provides more cross-sectional area for electrons to flow<\/div><\/li><li class=\"ace-line ace-line old-record-id-Dtm9dZUHdomCL5xVsNBcmr3unhc\" data-list=\"bullet\"><div>More thermal mass enables better heat dissipation<\/div><\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-d5a8c5e elementor-widget elementor-widget-text-editor\" data-id=\"d5a8c5e\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-DxbndM2m7ovBZBxTpjRchCHEnRh\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-VExwdHlXKoy5dtxLSjXc6xzfnkd\">The maximum current capacity guidelines from <strong>IPC-2221<\/strong> illustrate this:<\/div><table><colgroup><col width=\"201\" \/><col width=\"234\" \/><\/colgroup><tbody><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; font-weight: bold; word-break: break-word; overflow-wrap: break-word; text-align: center;\">Copper Weight<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; font-weight: bold; word-break: break-word; overflow-wrap: break-word; text-align: center;\">Max Current (Amps)<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\">0.5 oz<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"11\">11<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\">1 oz<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"19\">19<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\">2 oz<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"26\">26<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\">3 oz<\/td><td style=\"white-space-collapse: preserve; border-color: #dee0e3; font-size: 11pt; word-break: break-word; overflow-wrap: break-word; text-align: center;\" data-sheet-value=\"33\">33<\/td><\/tr><\/tbody><\/table><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-c1dd5a4 elementor-widget elementor-widget-text-editor\" data-id=\"c1dd5a4\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RLpGdv3v7oLOzFxzCuKcsFcen0e\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JbgDdM6h7oDKK5x3f3ccLyfinac\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-DFQfduaBHoF91HxR31lcNNMlnfo\">To determine trace widths and thickness needed, you can use an online <strong>PCB<\/strong><strong> trace width calculator<\/strong>.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-531c990 elementor-widget elementor-widget-heading\" data-id=\"531c990\" 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>Copper Thickness Effects On Signal Integrity<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e464fd elementor-widget elementor-widget-text-editor\" data-id=\"1e464fd\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MYCidoqsDovFdoxSvCicExnOndd\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-IGJndin1JovVwPxqTKoctcZpnMg\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-NBiMdxHLnoJ14Jx6IrmcVP7OnRd\">The thickness of the copper foil directly affects the impedance control of the circuit. Thicker copper foils reduce wire resistance and minimize attenuation and delay during signal transmission, thereby improving signal integrity, which is especially important for high-speed signal transmission. In high-frequency circuit design, precise control of copper thickness is critical to achieving well-matched impedance and reducing signal reflections and crosstalk.<\/div><\/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<div class=\"elementor-element elementor-element-a046177 elementor-widget elementor-widget-heading\" data-id=\"a046177\" 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>Copper Thickness Impact on Thermal Management<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-966b254 elementor-widget elementor-widget-text-editor\" data-id=\"966b254\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZqKSdJqEMo5zYBxEEbgchrg9njh\">Copper has good thermal conductivity, so copper foil thickness also affects the thermal efficiency of a PCB. In high power density designs, thicker copper foils can conduct heat faster from the heating element to the heat sink area or external heat sink, helping to improve overall thermal management effectiveness and protect sensitive components from thermal damage.<\/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-983a37b elementor-widget elementor-widget-heading\" data-id=\"983a37b\" 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>Copper Thickness Effects on Impedance<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a68403f elementor-widget elementor-widget-text-editor\" data-id=\"a68403f\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RLpGdv3v7oLOzFxzCuKcsFcen0e\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JbgDdM6h7oDKK5x3f3ccLyfinac\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OnT4do0aPoU4iDxcs9ocll6vnjH\">For traces transmitting high-speed signals, controlled impedance is crucial to prevent signal degradation. Thinner<strong>\u00a0<\/strong><strong>PCB<\/strong><strong> copper thickness results in higher impedance<\/strong> because it increases resistance per unit length of the trace. While wider traces can help compensate, this takes up more board space. Plus, there are practical limits to how wide traces can be made.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-92c3ec6 elementor-widget elementor-widget-text-editor\" data-id=\"92c3ec6\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RLpGdv3v7oLOzFxzCuKcsFcen0e\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JbgDdM6h7oDKK5x3f3ccLyfinac\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MVlqdqrYAoOCIYxloK2c5oNEnqd\">So ensuring adequate <strong>PCB<\/strong><strong> copper thickness<\/strong> is an important impedance control factor, especially for multilayer boards where thickness drops from processing can impact impedance targets. Online <strong>PCB copper thickness impedance<\/strong> calculators help assess thickness needs.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-dc87cd9 elementor-widget elementor-widget-heading\" data-id=\"dc87cd9\" 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>Copper Thickness Effects on Mechanical 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-d990bcb elementor-widget elementor-widget-text-editor\" data-id=\"d990bcb\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-SggRd3arRoVjpxxPH25ctCc9nQe\">The copper layer enhances the mechanical strength of the PCB, making it less prone to deformation or damage when subjected to external forces or vibration. A thicker copper layer provides better mechanical protection, while a thinner copper layer may make the PCB susceptible to deformation or damage when subjected to external forces.<\/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-6c104f4 elementor-widget elementor-widget-heading\" data-id=\"6c104f4\" 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>Selecting Copper Thickness for 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-10d1a23 elementor-widget elementor-widget-text-editor\" data-id=\"10d1a23\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RLpGdv3v7oLOzFxzCuKcsFcen0e\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JbgDdM6h7oDKK5x3f3ccLyfinac\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MVlqdqrYAoOCIYxloK2c5oNEnqd\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-L0PTdRyU3ovC7ExHg6scE0RUnLg\">We\u2019ve covered why you need the right PCB copper thickness. Now let\u2019s discuss how to select it.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-ff062fb elementor-widget elementor-widget-heading\" data-id=\"ff062fb\" 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>Typical vs Heavy Copper Weights<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53e5d38 elementor-widget elementor-widget-text-editor\" data-id=\"53e5d38\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-E5LfdtJJCoL7dqxqzdLcbgmQnXd\">The majority of PCBs use <strong>1-ounce copper<\/strong>, which provides a good balance of cost and performance.<strong>2-3 ounce copper<\/strong> may be used when higher current capacity, lower impedance, and better heat dissipation are needed. <strong>Heavy copper PCB<\/strong>s with 4+ ounce thicknesses are typically only used for high-end applications requiring very thick copper.<\/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-adace36 elementor-widget elementor-widget-heading\" data-id=\"adace36\" 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>Choosing Appropriate Copper Thickness<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b10d1eb elementor-widget elementor-widget-text-editor\" data-id=\"b10d1eb\" 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>Choose the right copper thickness according to product requirements. For example, for PCBs that need to transmit high-speed signals, a thicker copper layer needs to be selected to ensure the stability and reliability of signal transmission. For PCBs that do not need to transmit high-speed signals, the thickness of the copper layer can be appropriately reduced to reduce costs.<\/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-cd7e4fe elementor-widget elementor-widget-text-editor\" data-id=\"cd7e4fe\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-F7KPdBuqDofvtdxPRZTcRwpJnvf\">Determining adequate <strong>PCB<\/strong><strong> copper thickness<\/strong> requires balancing factors like:<\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-XIuldAt6joOcgQxQCEQcYAYgnTb\" data-list=\"bullet\"><div>Operating currents<\/div><\/li><li class=\"ace-line ace-line old-record-id-UxIVdXj63o4xHZxKL04c0Jz2nUh\" data-list=\"bullet\"><div>Allowable temperature rise<\/div><\/li><li class=\"ace-line ace-line old-record-id-J7D9dUpPYoMNzdxKDU3ci92fnqh\" data-list=\"bullet\"><div>Impedance requirements<\/div><\/li><li class=\"ace-line ace-line old-record-id-IVEbdphqGoQ1sHxPN1kczxEanrb\" data-list=\"bullet\"><div>Mechanical considerations<\/div><\/li><li class=\"ace-line ace-line old-record-id-MkCAdh9fdoatGkxK2M8cO9ggnod\" data-list=\"bullet\"><div>Board size constraints<\/div><\/li><li class=\"ace-line ace-line old-record-id-Cf2WdKV9YosZwLxGzVCcxdYynRb\" data-list=\"bullet\"><div>Fabrication complexity and lead times<\/div><\/li><\/ul><div class=\"ace-line ace-line old-record-id-Fb6SdG7qao09qPxzRa6crJoCnTc\">There will always be cost and performance tradeoffs to weigh based on application needs. Using <strong>IPC<\/strong><strong> guidelines for <\/strong><strong>PCB<\/strong><strong> copper weight<\/strong> and online calculators makes it easier to assess options.<\/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-5e7c7fe elementor-widget elementor-widget-heading\" data-id=\"5e7c7fe\" 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>Tools for Determining Required Thickness<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5137339 elementor-widget elementor-widget-text-editor\" data-id=\"5137339\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XYWNd0S64oXV9xxt6ZnclsQMnIg\">The <strong>IPC-2221<\/strong> standard provides current capacity guidelines based on copper weight and temperature rise. Online <strong>PCB<\/strong><strong> trace width<\/strong> and <strong>PCB copper thickness impedance<\/strong> calculators simplify calculations. These tools help narrow suitable copper thicknesses to a few options that you can review with your PCB manufacturer early in the design 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-7799c2a elementor-widget elementor-widget-heading\" data-id=\"7799c2a\" 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>Depending on The Manufacturing Process<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e18abeb elementor-widget elementor-widget-text-editor\" data-id=\"e18abeb\" 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>Different manufacturing processes require different copper thicknesses. For example, the laser <a href=\"https:\/\/www.elepcb.com\/blog\/ins-and-out-of-pcb-drilling-revealed\/\">drilling<\/a> process requires a thicker layer of copper to ensure the integrity and stability of the hole wall. On the other hand, electroplating requires a thinner layer of copper to reduce costs and increase productivity.<\/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-e4165fe elementor-widget elementor-widget-heading\" data-id=\"e4165fe\" 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>According to The Material Selection<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7461c4 elementor-widget elementor-widget-text-editor\" data-id=\"e7461c4\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-L9pHdOisUo5MBjx7x2CcbOIXn9g\">Different materials have different requirements for copper thickness. For example, <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-fr-4-material-in-pcb-fabrication\/\">FR4 material<\/a> has better mechanical properties and corrosion resistance, so you can properly reduce the thickness of the copper layer to reduce costs. The CEM-1 material has poor mechanical properties and corrosion resistance, so you need to choose a thicker copper layer to ensure the stability and reliability of the PCB.<\/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-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>Manufacturing PCBs with Heavy Copper<\/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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XYWNd0S64oXV9xxt6ZnclsQMnIg\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YcludhNzUojndax4A4PcM69mnff\">Producing heavy copper PCBs requires some unique fabrication and design considerations.<\/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-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>Heavy Copper PCB Fabrication Process<\/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<p>Copper foil thickness affects the difficulty of PCB manufacturing and yield. Copper foils that are too thin are prone to over-etching or non-uniformity during the etching process, while copper foils that are too thick may require greater etching capabilities or finer process control to ensure line accuracy and consistency.<\/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-8b23772 elementor-widget elementor-widget-text-editor\" data-id=\"8b23772\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XYWNd0S64oXV9xxt6ZnclsQMnIg\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YcludhNzUojndax4A4PcM69mnff\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OMsrdje0noqSWIxSIM5coA4Vndc\">Creating PCBs with heavy copper starts with procuring thicker <strong>copper-clad laminate<\/strong> material. Additional<strong>\u00a0plate-up plating<\/strong> is also commonly used to achieve the final desired copper thickness. And because of the thicker copper, PCB fabricators must adhere to <strong>tighter spacing rules<\/strong> between traces and pads.<\/div><\/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<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>Design Rule Considerations with Thick Copper<\/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<p>The choice of copper foil thickness also requires consideration of design flexibility. When fine wiring or miniaturized designs are required, a thinner copper foil may be more suitable because it allows for smaller line widths\/spacings. However, this may also sacrifice a certain amount of current carrying capacity and heat dissipation. Conversely, thicker copper foils, while offering advantages in some areas, may limit the possibilities for high-density wiring.<\/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-52f4cd5 elementor-widget elementor-widget-text-editor\" data-id=\"52f4cd5\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-FyB7d4fYPoJSHEx0uxXcnUjUnTe\">The design rules for PCBs with heavy copper account for fabrication and functional considerations around managing thicker conductors.<\/div><div class=\"ace-line ace-line old-record-id-AYEqd2J8yoKvwkxLZpWcW3hfn6f\">Some key rules relate to:<\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-FFnidvMvxoV576xwmQTcsJQFnPd\" data-list=\"bullet\"><div>Increased spacing between copper features<\/div><\/li><li class=\"ace-line ace-line old-record-id-DrhMdzqR5oLgsexC7iWcZRfznAd\" data-list=\"bullet\"><div>Limitations on trace width and pad\/via annular rings<\/div><\/li><li class=\"ace-line ace-line old-record-id-MJvzdlQDJoUm0PxbhXPcHUxRntf\" data-list=\"bullet\"><div>Stricter control of thermal expansion matching<\/div><\/li><\/ul><div class=\"ace-line ace-line old-record-id-BflMd2ucVosTAmxaREqcgLtwnEe\">Following <strong>IPC<\/strong><strong> guidelines for <\/strong><strong>PCB<\/strong><strong> copper thickness<\/strong> helps ensure manufacturability.<\/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-687eff8 elementor-widget elementor-widget-heading\" data-id=\"687eff8\" 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>Cost and Lead Time Implications<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23d8ba3 elementor-widget elementor-widget-text-editor\" data-id=\"23d8ba3\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XYWNd0S64oXV9xxt6ZnclsQMnIg\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YcludhNzUojndax4A4PcM69mnff\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OMsrdje0noqSWIxSIM5coA4Vndc\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WsMYd4NRpo894Jx8XWLcccFDnGd\">By now, it should be clear that <strong>heavy copper PCBs are more expensive<\/strong> to produce due to material costs and more complex processing. And because fabrication tolerances are tighter with thick copper, yields tend to be lower. This means you may wait longer for flawless boards. Planning and discussing requirements with your PCB partner reduces surprises.<\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-fcf2de1 elementor-widget elementor-widget-heading\" data-id=\"fcf2de1\" 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-020e7c6 elementor-widget elementor-widget-text-editor\" data-id=\"020e7c6\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-DxbndM2m7ovBZBxTpjRchCHEnRh\"><div data-page-id=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-L5CNd2S4ioVfaFxk5Pdcs3lKn9f\">We\u2019ve covered a lot of ground on the key considerations around <strong>PCB<\/strong><strong> copper thickness<\/strong>! To recap, getting the thickness right impacts current capacity, impedance, thermal performance, manufacturability, and cost.For high power circuits, RF applications, and ruggedized boards, thicker copper in the 2+ ounce range is often beneficial if the budget allows.Numerous IPC standards and online tools are available to help select appropriate copper thicknesses.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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<div class=\"elementor-element elementor-element-c33824c elementor-widget elementor-widget-text-editor\" data-id=\"c33824c\" 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=\"W2CGdM8wcovRTYxbCkqcE0JQnCh\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-LjhHd3UN1ov5MlxYqzqc0A6UnBO\">Collaborating early with <a href=\"https:\/\/www.elepcb.com\/\">ELEPCB<\/a> ensures you\u2019ll get the material properties and fabrication process fine-tuned for success.<\/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-e637750 elementor-widget elementor-widget-heading\" data-id=\"e637750\" 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>FAQs<\/b><\/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-3ec9c007 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ec9c007\" 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-6c54d289\" data-id=\"6c54d289\" 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-20824137 elementor-widget elementor-widget-toggle\" data-id=\"20824137\" 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-5451\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-5451\" 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 is the PCB trace width I need for 3 oz copper at 10A load current?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5451\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-5451\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">A1: Referencing IPC-2221 max current guidelines, a 3 oz trace should handle 33A. For 10A, a trace width around 100 mils is typical based on 10\u00b0C rise.<\/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-5452\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-5452\" 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 I use heavy copper PCBs for RF applications above 5 GHz?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5452\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-5452\"><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, but skin effect depth limits usefulness above ~3-5 GHz. Careful impedance control essential; work with your PCB partner to ensure proper stackup.<\/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-5453\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-5453\" 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 it better to use a thicker 2 oz outer layer or additional inner layers?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5453\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-5453\"><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: Stackup tradeoffs exist; adding layers can compromise impedance control. Discuss options with your PCB supplier to understand cost\/benefit.<\/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-5454\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-5454\" 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: What PCB finishes work best for exposing thick copper pads and edges?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5454\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-5454\"><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: Immersion silver or gold provides excellent oxidation protection for exposed copper. Ensure your PCB process can plate edges without pullback.<\/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-5455\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-5455\" 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: Do heavy copper PCBs require special solders or paste printing processes?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5455\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-5455\"><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: Sometimes; the additional thermal mass can necessitate tweaked reflow profiles. Thick copper around pads also impacts stencil design.<\/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-487f85bf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"487f85bf\" 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-79bc6dbe\" data-id=\"79bc6dbe\" 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-540b2fd1 elementor-widget elementor-widget-shortcode\" 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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, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-1536x2048.jpg 1536w, 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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 an indispensable component of modern electronic equipment, PCBs carry the electrical connections between electronic components, and their design and manufacturing quality are directly related to product performance and reliability. In the design and production process of PCB, copper foil thickness is a key parameter, which has an important impact on the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12719,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[129],"class_list":["post-12697","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\/12697","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=12697"}],"version-history":[{"count":48,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/12697\/revisions"}],"predecessor-version":[{"id":17867,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/12697\/revisions\/17867"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media\/12719"}],"wp:attachment":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media?parent=12697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/categories?post=12697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/tags?post=12697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}