{"id":20994,"date":"2025-08-05T18:32:49","date_gmt":"2025-08-05T10:32:49","guid":{"rendered":"https:\/\/www.elepcb.com\/?p=20994"},"modified":"2025-08-05T18:32:49","modified_gmt":"2025-08-05T10:32:49","slug":"laser-soldering","status":"publish","type":"post","link":"https:\/\/www.elepcb.com\/it\/blog\/laser-soldering\/","title":{"rendered":"Guida alla saldatura laser: Processo, pro e metodi a confronto"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"20994\" class=\"elementor elementor-20994\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-59efb455 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"59efb455\" 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-31117e29\" data-id=\"31117e29\" 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-34edcfc0 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"34edcfc0\" 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__34edcfc0\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><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__34edcfc0\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><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__34edcfc0\" 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-791d4b63 elementor-widget elementor-widget-text-editor\" data-id=\"791d4b63\" 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=\"DZAsdetJroFkxcxeVQjcyfnNnDg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WwFNdDCmBoUbWwxB3eUcTPRvny0\"><div data-page-id=\"BcFSdRB1Gol2zkxdhFscxDvAnDb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TITydiFUro9B9exZIv6ccdHanQb\"><div data-page-id=\"SnzydsWllo0bm3xovKqcokF1nHe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn9lfwW9l41AX0cFt5VdVBOh\"><div data-page-id=\"R9endOKSfohZDYxDRQXcy4SMnif\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnvogqCtMRZXFw2ZGxI6UvUd\"><div data-page-id=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HKnRd0jN4oCOBqxGM2McVjhCnCb\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnpQ499zxbbpZT0uLjZFMn2J\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnsA52CoXGp1lmYndjcKELXf\"><strong>Laser soldering<\/strong> is an ideal solution for <span style=\"color: #008000;\">high-density and critical assemblies<\/span>, yielding <span style=\"color: #008000;\">high-quality solder joints on PCB pads with<\/span> <span style=\"color: #008000;\">minimal thermal stress<\/span>. Compared to traditional soldering methods, laser soldering can be finished in a <strong>non-contact manner<\/strong>. This reduces thermal stress and minimizes the <a href=\"https:\/\/www.elepcb.com\/blog\/pcba-knowledge\/pcb-flux-cleaning-clean-or-no-clean\/\">flux cleaning<\/a> process. What is the laser soldering process? When should I use laser soldering? This guide will provide a detailed introduction to laser soldering, including its pros and cons, process, and comparison with other soldering methods.<\/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\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-6598f962 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6598f962\" 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-18217549\" data-id=\"18217549\" 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-b870758 elementor-widget elementor-widget-spacer\" data-id=\"b870758\" 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-2b53cd9b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b53cd9b\" 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-71908f17\" data-id=\"71908f17\" 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-1a4fa2ec elementor-widget elementor-widget-heading\" data-id=\"1a4fa2ec\" 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 Laser Soldering?<\/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-a7d6279 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a7d6279\" 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-5e05198\" data-id=\"5e05198\" 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-2a1a06a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2a1a06a\" 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-50 elementor-inner-column elementor-element elementor-element-39a5302\" data-id=\"39a5302\" 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-dd46cdf elementor-widget elementor-widget-text-editor\" data-id=\"dd46cdf\" 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=\"TqxMdcUfko5oeMxtxTdc8mIan5f\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnf7BuZvPWHUC0bspgdU84Xe\"><div data-page-id=\"DZAsdetJroFkxcxeVQjcyfnNnDg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-C4sgdmlmLoxQgNx41rtc5DVOnjc\"><div data-page-id=\"BcFSdRB1Gol2zkxdhFscxDvAnDb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-O0HFdYO4ho52jExvAJbc8dDXnFg\"><div data-page-id=\"SnzydsWllo0bm3xovKqcokF1nHe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"R9endOKSfohZDYxDRQXcy4SMnif\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn3dXmgPTeT8LCl4K0ao7yIh\"><div data-page-id=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn0096ojmZsCCcANe5A1ypVO\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnjMbtaK2pVA9QVd5GaiW1rd\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn4CITzJf2qdAXlu9dCCo1jh\">Laser soldering refers to <strong>a soldering technique that<\/strong> <strong>uses a focused laser beam to melt soldering material for electrical connections on the PCB.<\/strong> Compared to other soldering methods, such as tip soldering and convection ovens, laser technology implements a non-contact method with extreme precision.<\/div><div class=\"ace-line ace-line old-record-id-doxcnfUcYxjTw2L5u8XnBCDZ9Kb\">When you need to control the <span style=\"color: #008000;\">accurate position and temperature of soldering joints<\/span>, it\u2019s suitable to use laser soldering. This soldering technique is also the best for the<a href=\"https:\/\/www.elepcb.com\/blog\/a-guide-to-aerospace-pcb-assembly\/\"> aerospace<\/a>, <a href=\"https:\/\/www.elepcb.com\/blog\/medical-pcb-manufacturing\/\">medical,<\/a> and <a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\">automotive<\/a> technology industries.<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-481ce2c\" data-id=\"481ce2c\" 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-e34a800 elementor-widget elementor-widget-image\" data-id=\"e34a800\" 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=\"437\" height=\"391\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-soldering-process.png\" class=\"attachment-large size-large wp-image-20998\" alt=\"laser-soldering-process\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-soldering-process.png 437w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-soldering-process-300x268.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-soldering-process-13x12.png 13w\" sizes=\"(max-width: 437px) 100vw, 437px\" \/>\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<div class=\"elementor-element elementor-element-c6f8393 elementor-widget elementor-widget-spacer\" data-id=\"c6f8393\" 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-a33bac1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a33bac1\" 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-9d1303b\" data-id=\"9d1303b\" 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-fd39e58 elementor-widget elementor-widget-heading\" data-id=\"fd39e58\" 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\"><strong>How is Laser Soldering Done? <\/strong><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8093917 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8093917\" 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-50 elementor-inner-column elementor-element elementor-element-b2a8cbc\" data-id=\"b2a8cbc\" 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-ee1de6f elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"ee1de6f\" 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=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line text-indent ace-line old-record-id-doxcn65MLtk7FGWXuXhdEFvB1xe\">Before laser soldering occurs, one needs to<strong> determine<\/strong> <strong>which laser source will be used<\/strong>; most likely, it will be a diode or fiber laser with infrared wavelengths. These infrared wavelengths fall <span style=\"color: #008000;\">between 808 to 980 nanometers<\/span>, which create good bonds between metal surfaces and standard solder alloys. Therefore, they create efficient heating of small spaces, which is necessary for soldering components like PCBs.<\/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<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-bc35d33\" data-id=\"bc35d33\" 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-a7aa1ad elementor-widget elementor-widget-image\" data-id=\"a7aa1ad\" 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 decoding=\"async\" width=\"505\" height=\"366\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-soldering-wavelength.png\" class=\"attachment-large size-large wp-image-21001\" alt=\"laser-soldering-wavelength\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-soldering-wavelength.png 505w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-soldering-wavelength-300x217.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-soldering-wavelength-18x12.png 18w\" sizes=\"(max-width: 505px) 100vw, 505px\" \/>\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-inner-section elementor-element elementor-element-114b41d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"114b41d\" 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-inner-column elementor-element elementor-element-6395510\" data-id=\"6395510\" 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-e812393 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"e812393\" 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=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line text-indent ace-line old-record-id-doxcn65MLtk7FGWXuXhdEFvB1xe\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line text-indent ace-line old-record-id-doxcnwqJ2Ft4etokpDbC9LlQwFb\">After determining the device, <strong>the laser-focused apparatus aimed at a compact location on a circuit board creates the joint.<\/strong> The beam heats either the existing joint or the <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-solder-paste\/\">solder paste<\/a> by transferring heat directly to the metal surface or the applied solder.<\/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-inner-section elementor-element elementor-element-084c329 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"084c329\" 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-inner-column elementor-element elementor-element-7cbcae4\" data-id=\"7cbcae4\" 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-666f4c2 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"666f4c2\" 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=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line text-indent ace-line old-record-id-doxcn65MLtk7FGWXuXhdEFvB1xe\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line text-indent ace-line old-record-id-doxcnpiJIhv4RHKsCfBwPYh58Dg\">Most laser soldering machines used in PCB production on <strong>automated lines<\/strong> include a solder wire feeding system, motion control platform, and real-time vision alignment for repeatability and accuracy. Temperature sensors or pyrometers assess and control the necessary heat input on a per-solder joint basis.<\/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<div class=\"elementor-element elementor-element-dc0adc9 elementor-widget elementor-widget-spacer\" data-id=\"dc0adc9\" 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-4079a59 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4079a59\" 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-fa462d3\" data-id=\"fa462d3\" 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-25b1563 elementor-widget elementor-widget-heading\" data-id=\"25b1563\" 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\"><strong>Pros and Cons of Laser Soldering<\/strong><\/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-144ea8a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"144ea8a\" 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-5759d27\" data-id=\"5759d27\" 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-980000b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"980000b\" 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-inner-column elementor-element elementor-element-230e651\" data-id=\"230e651\" 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-027c681 elementor-widget elementor-widget-text-editor\" data-id=\"027c681\" 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=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcnh6Y59Z1RNjK0DtZBBt5jhb\"><strong>Advantage 1: Higher <\/strong><strong>Precision<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnfkLASQW4KVWg4RiBhAkvQh\">One of the biggest advantages of laser soldering is <span style=\"color: #008000;\">the precision with which heat can be applied.<\/span> For instance, <a href=\"https:\/\/www.elepcb.com\/blog\/hot-air-solder-leveling\/\\\">hot air<\/a> or reflow methods heat up wide areas of a PCB. But with laser soldering, energy is concentrated to <span style=\"color: #008000;\">a spot size as small as 100\u2013300 microns<\/span>; the heat generation happens exactly where it needs to happen. Some of the most advanced systems even apply <span style=\"color: #008000;\">temperature control within \u00b15\u202f\u00b0C.<\/span> Therefore, it&#8217;s an excellent soldering method for parts that can&#8217;t get overly heated or for micro soldering that needs precision thermal distinction.<\/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-inner-section elementor-element elementor-element-cfd5564 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cfd5564\" 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-50 elementor-inner-column elementor-element elementor-element-9c1f841\" data-id=\"9c1f841\" 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-55f51e2 elementor-widget elementor-widget-text-editor\" data-id=\"55f51e2\" 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=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn1bfDTDbZqFlUZ7mlZe5QTQ\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcnDceTu7i6xMvdha4b39nIFf\"><strong>Advantage 2: No Mechanical Stress<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnAbNUtesaBRZpRr5U9piPug\">In addition, because it is a non-contact process,<span style=\"color: #008000;\"> no forces of mechanical stress or strain are imposed on the assembly<\/span>. In addition, industrial laser soldering irons don&#8217;t wear out like standard soldering tips because of their no-contact nature, which increases reliability over time and decreases maintenance issues.<\/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<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-986a2f7\" data-id=\"986a2f7\" 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-f88646d elementor-widget elementor-widget-text-editor\" data-id=\"f88646d\" 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=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcnLc0v101MeLSMLrb659NQFb\"><strong>Advantage 3: Less Soldering Flux Cleaning <\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcn0SASYlLXrrqRpx4INjwaVg\">Because much of laser soldering is done without flux, <span style=\"color: #008000;\">laser soldering is a clean process<\/span>. There are cleaner joints, and no additional <a href=\"https:\/\/www.elepcb.com\/blog\/solder-flux\/\">soldering flux<\/a> cleaning is required; this is critical for industries like medical devices and optical components.<\/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\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-4426dd9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4426dd9\" 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-7dc25cf\" data-id=\"7dc25cf\" 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-5cee5ea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5cee5ea\" 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-50 elementor-inner-column elementor-element elementor-element-e5f7fe6\" data-id=\"e5f7fe6\" 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-8902046 elementor-widget elementor-widget-text-editor\" data-id=\"8902046\" 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=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn1bfDTDbZqFlUZ7mlZe5QTQ\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcnIHl4RF9jGhohF0Vzwk1REh\"><strong>Disadvantage 1: Expensive Equipment<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnpFnkcbMBO2ucYpCjeQLRWh\">The biggest limitation is the capital investment required. Laser precision soldering units are <strong>complicated and expensive.<\/strong> Unless the quality of the process justifies the initial capital, this technology is seldom seen in the low-volume shops.<\/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<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-cc50c14\" data-id=\"cc50c14\" 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-696ea45 elementor-widget elementor-widget-text-editor\" data-id=\"696ea45\" 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=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcn1fIELico9iDyQVwRDIi6ke\"><strong>Disadvantage 2: Challenging Operation<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnF9mYZrzzQO8rWimtcrwuxh\">The <strong>difficulty and setup times<\/strong> make the laser soldering process challenging. For every geometrical joint and every type of component, there are tunable laser settings, power, spot size, application time, and focus. While the most sophisticated units can automate this for you at setup,<span style=\"color: #008000;\"> it can take an extensive amount of time during development orpro <a href=\"https:\/\/www.elepcb.com\/pcb-prototyping-and-its-advantages\/\">prototyping<\/a> to figure out all the variables.<\/span><\/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-inner-section elementor-element elementor-element-9020b33 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9020b33\" 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-50 elementor-inner-column elementor-element elementor-element-5111b08\" data-id=\"5111b08\" 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-3a35ef2 elementor-widget elementor-widget-text-editor\" data-id=\"3a35ef2\" 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=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcn4smuIEhH0CHH6YjYplFgse\"><strong>Disadvantage 3: Inappropriate Situation<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnmaeJC3emNnMxNwA6BSDgab\">Also, laser soldering does <strong>not work<\/strong> for components that have <strong>a lot of thermal mass, power connectors, and large inductors, as they suck heat away very quickly and require more power tha<\/strong>n a laser can output.<\/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<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5593ed0\" data-id=\"5593ed0\" 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-aebbf0b elementor-widget elementor-widget-text-editor\" data-id=\"aebbf0b\" 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=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcn89gZYRCJEYdjJ5lpeovLnh\"><strong>Disadvantage 4: Safety Issues<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnfGe3qgpnZOj1ggLQY1jtYb\">The lasers used for soldering are very dangerous to the eye. <span style=\"color: #008000;\">Protective equipment<\/span> is required, like laser-safe goggles, to prevent operator exposure.<\/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\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-564c19c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"564c19c\" 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-2d75aa4\" data-id=\"2d75aa4\" 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-f683ff5 elementor-widget elementor-widget-spacer\" data-id=\"f683ff5\" 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<div class=\"elementor-element elementor-element-a8af3ff elementor-widget elementor-widget-heading\" data-id=\"a8af3ff\" 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 Laser Soldering<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e8f6cf8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8f6cf8\" 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-50 elementor-inner-column elementor-element elementor-element-0d38a98\" data-id=\"0d38a98\" 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-24a948b elementor-widget elementor-widget-text-editor\" data-id=\"24a948b\" 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=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcnoYYiBEUqPmGc50XMLVDx5b\"><strong>Fine Pitch Surface Mount Devices(SMD)<\/strong><\/h3><\/div><div class=\"ace-line ace-line old-record-id-XQL7dNaHLoCLptxDeHDciBEOnyd\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnRPWUbqv3YACQA8oQoujPtf\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnaSDs6EAJeUXciAF1Tdg14c\">Typical application of laser soldering is with fine pitch <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/smd-component-surface-mount-device-in-pcb-assembly\/\">surface mount devices<\/a> (SMDs) where a <a href=\"https:\/\/www.elepcb.com\/pcb-layout-design-process-and-guidelines\/\">PCB layout<\/a> is so densely populated that a traditional soldering tip cannot get in. For instance, <span style=\"color: #008000;\">high pitch 0201 or 0402<\/span> packages can easily bridge or fail to work if the component leads get even slightly overheated or the solder ball alignment is off. Laser accuracy provides alignment and thermal drift control.<\/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<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-c8e7c75\" data-id=\"c8e7c75\" 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-7bc4d8c elementor-widget elementor-widget-image\" data-id=\"7bc4d8c\" 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 decoding=\"async\" width=\"407\" height=\"298\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/fine-pitch-SMD.png\" class=\"attachment-full size-full wp-image-21000\" alt=\"fine-pitch-SMD\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/fine-pitch-SMD.png 407w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/fine-pitch-SMD-300x220.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/fine-pitch-SMD-16x12.png 16w\" sizes=\"(max-width: 407px) 100vw, 407px\" \/>\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-inner-section elementor-element elementor-element-e8bb43c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8bb43c\" 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-50 elementor-inner-column elementor-element elementor-element-2e4f55b\" data-id=\"2e4f55b\" 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-6a6b94c elementor-widget elementor-widget-text-editor\" data-id=\"6a6b94c\" 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=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcnTofPbKCWtok7WplSRGrMPP\"><strong>Flexible &amp; Rigid-Flex PCBs<\/strong><\/h3><\/div><\/div><div class=\"ace-line ace-line old-record-id-XQL7dNaHLoCLptxDeHDciBEOnyd\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnRPWUbqv3YACQA8oQoujPtf\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnaSDs6EAJeUXciAF1Tdg14c\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnjHmA6lNabuUlLKadTjEVUg\">Another frequent application is with <span style=\"color: #008000;\"><strong>flexible circuits<\/strong><\/span> where the use of a traditional soldering iron applies a <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/mechanical-stress-in-pcb-coating\/\">mechanical force<\/a> that might tear or delaminate the flexible circuit&#8217;s underlying material. Thus, laser soldering only applies heat to the beam to form the connection without any physical stress on the assembly.<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5b4d476\" data-id=\"5b4d476\" 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-7578ed6 elementor-widget elementor-widget-text-editor\" data-id=\"7578ed6\" 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=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-QqhLdPLISormtBxGIc5cnTw7nnb\"><strong>Consumer Electronics<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnNZu4a4QCD4iavtTorTSurg\">Laser soldering machines for PCB integration are also often used in mass production for wearables, smartphones, and <a href=\"https:\/\/www.elepcb.com\/blog\/camera-pcb\/\">camera<\/a> modules. These applications have many <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-sensor\/\">sensors<\/a> and miniature connectors in super-small arrangements, requiring ultra-specific placement and no thermal drift.<\/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-inner-section elementor-element elementor-element-43a2035 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"43a2035\" 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-50 elementor-inner-column elementor-element elementor-element-aa29550\" data-id=\"aa29550\" 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-6346231 elementor-widget elementor-widget-text-editor\" data-id=\"6346231\" 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=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-doxcnkLk3k4jY482aqOyDWqJw2f\"><strong>Selective Component Attachment\/Rework<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-BBDqduV6aogMlwx0OkRcoQnGnKM\">Targets specific joints for attaching new components or <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/pcb-repair-steps-solve-failures\/\">repairing<\/a>\/reworking existing solder joints (e.g., replacing BGAs) without affecting nearby areas.<\/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<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e8299df\" data-id=\"e8299df\" 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-0e4d67b elementor-widget elementor-widget-text-editor\" data-id=\"0e4d67b\" 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=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-BOm7dyQFXoCcgFxd9elcGMgwnmd\"><strong>Temperature-Sensitive Components<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-L1lxdF35No5CdYxnCxcc6VxOnie\">Solders heat-sensitive devices (e.g., MEMS sensors, certain <a href=\"https:\/\/www.elepcb.com\/blog\/integrated-circuit\/\">ICs<\/a>, <a href=\"https:\/\/www.elepcb.com\/pcb-products\/led-pcb-board\/\">LEDs<\/a>, bio-medical sensors) with minimal thermal stress due to localized, controlled heating.<\/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\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-59cad20 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"59cad20\" 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-18151fa\" data-id=\"18151fa\" 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-1bece57 elementor-widget elementor-widget-spacer\" data-id=\"1bece57\" 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<div class=\"elementor-element elementor-element-2b287a9 elementor-widget elementor-widget-heading\" data-id=\"2b287a9\" 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>Comparison between Laser Soldering and Other Soldering Methods<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-655b2dc elementor-widget elementor-widget-text-editor\" data-id=\"655b2dc\" 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=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn0QzdyEhq1DaekmaVXEku5c\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AEoid8L91oK2Yvx7gXgcpmWan1b\">What are the <span style=\"color: #008000;\">main differences between laser welding and other soldering methods?<\/span> When should I choose laser soldering? ELE PCB will provide a comparison of the different soldering methods( <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-reflow-soldering\/\">reflow soldering<\/a>, <a href=\"https:\/\/www.elepcb.com\/blog\/wave-soldering\/\">wave soldering<\/a> and hand soldering) and offer selection guidance.<\/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-a54a075 elementor-widget elementor-widget-accordion\" data-id=\"a54a075\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1731\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1731\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\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-accordion-title\" tabindex=\"0\">Table: PCB Soldering Techniques Comparison<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-1731\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1731\"><table><colgroup> <col width=\"105\" \/> <col width=\"176\" \/> <col width=\"186\" \/> <col width=\"174\" \/> <col width=\"225\" \/><\/colgroup><tbody><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3; font-size: 14pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Feature<\/td><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3; font-size: 14pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Laser Soldering<\/td><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3; font-size: 14pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Reflow Soldering<\/td><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3; font-size: 14pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Wave Soldering<\/td><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3; font-size: 14pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Hand Soldering<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Thermal Impact<\/td><td data-sheet-value=\"[{&quot;type&quot;:&quot;text&quot;,&quot;style&quot;:{&quot;font&quot;:&quot;12pt\/1.5 MonospacedNumber, LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, \\&quot;Helvetica Neue\\&quot;, Tahoma, \\&quot;PingFang SC\\&quot;, \\&quot;Microsoft Yahei\\&quot;, Arial, \\&quot;Hiragino Sans GB\\&quot;, sans-serif, \\&quot;Apple Color Emoji\\&quot;, \\&quot;Segoe UI Emoji\\&quot;, \\&quot;Segoe UI Symbol\\&quot;, \\&quot;Noto Color Emoji\\&quot;&quot;,&quot;foreColor&quot;:&quot;rgb(0, 0, 0)&quot;},&quot;text&quot;:&quot;Very low&quot;},{&quot;type&quot;:&quot;text&quot;,&quot;text&quot;:&quot; (localized HAZ)&quot;}]\">Very low (localized HAZ)<\/td><td>High (entire board heated)<\/td><td>High (component-side exposure)<\/td><td>Variable (operator-dependent)<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Precision<\/td><td data-sheet-value=\"[{&quot;type&quot;:&quot;text&quot;,&quot;style&quot;:{&quot;font&quot;:&quot;12pt\/1.5 MonospacedNumber, LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, \\&quot;Helvetica Neue\\&quot;, Tahoma, \\&quot;PingFang SC\\&quot;, \\&quot;Microsoft Yahei\\&quot;, Arial, \\&quot;Hiragino Sans GB\\&quot;, sans-serif, \\&quot;Apple Color Emoji\\&quot;, \\&quot;Segoe UI Emoji\\&quot;, \\&quot;Segoe UI Symbol\\&quot;, \\&quot;Noto Color Emoji\\&quot;&quot;,&quot;foreColor&quot;:&quot;rgb(0, 0, 0)&quot;},&quot;text&quot;:&quot;Extremely high&quot;},{&quot;type&quot;:&quot;text&quot;,&quot;text&quot;:&quot; (\u00b5m-level control)&quot;}]\">Extremely high (\u00b5m-level control)<\/td><td>Medium (oven hotspots\/thermal mass)<\/td><td>Low (for SMDs; THT focus)<\/td><td>Low (human error risk)<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Speed\/Throughput<\/td><td>Medium (serial process)<\/td><td data-sheet-value=\"[{&quot;type&quot;:&quot;text&quot;,&quot;style&quot;:{&quot;font&quot;:&quot;12pt\/1.5 MonospacedNumber, LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, \\&quot;Helvetica Neue\\&quot;, Tahoma, \\&quot;PingFang SC\\&quot;, \\&quot;Microsoft Yahei\\&quot;, Arial, \\&quot;Hiragino Sans GB\\&quot;, sans-serif, \\&quot;Apple Color Emoji\\&quot;, \\&quot;Segoe UI Emoji\\&quot;, \\&quot;Segoe UI Symbol\\&quot;, \\&quot;Noto Color Emoji\\&quot;&quot;,&quot;foreColor&quot;:&quot;rgb(0, 0, 0)&quot;},&quot;text&quot;:&quot;High&quot;},{&quot;type&quot;:&quot;text&quot;,&quot;text&quot;:&quot; (batch processing)&quot;}]\">High (batch processing)<\/td><td data-sheet-value=\"[{&quot;type&quot;:&quot;text&quot;,&quot;style&quot;:{&quot;font&quot;:&quot;12pt\/1.5 MonospacedNumber, LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, \\&quot;Helvetica Neue\\&quot;, Tahoma, \\&quot;PingFang SC\\&quot;, \\&quot;Microsoft Yahei\\&quot;, Arial, \\&quot;Hiragino Sans GB\\&quot;, sans-serif, \\&quot;Apple Color Emoji\\&quot;, \\&quot;Segoe UI Emoji\\&quot;, \\&quot;Segoe UI Symbol\\&quot;, \\&quot;Noto Color Emoji\\&quot;&quot;,&quot;foreColor&quot;:&quot;rgb(0, 0, 0)&quot;},&quot;text&quot;:&quot;High&quot;},{&quot;type&quot;:&quot;text&quot;,&quot;text&quot;:&quot; (continuous flow)&quot;}]\">High (continuous flow)<\/td><td>Very Low<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Suitable Components<\/td><td>Micro-BGAs, QFNs, 01005, heat-sensitive, flex<\/td><td>Standard SMDs, moderate density<\/td><td>Through-hole (THT), some SMDs<\/td><td>Prototyping, rework, large THT<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Flux Requirement<\/td><td>Minimal or flux-free<\/td><td>Solder paste (flux-core)<\/td><td>Liquid flux + solder wave<\/td><td>Flux-core solder wire<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Automation Compatibility<\/td><td data-sheet-value=\"[{&quot;type&quot;:&quot;text&quot;,&quot;style&quot;:{&quot;font&quot;:&quot;12pt\/1.5 MonospacedNumber, LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, \\&quot;Helvetica Neue\\&quot;, Tahoma, \\&quot;PingFang SC\\&quot;, \\&quot;Microsoft Yahei\\&quot;, Arial, \\&quot;Hiragino Sans GB\\&quot;, sans-serif, \\&quot;Apple Color Emoji\\&quot;, \\&quot;Segoe UI Emoji\\&quot;, \\&quot;Segoe UI Symbol\\&quot;, \\&quot;Noto Color Emoji\\&quot;&quot;,&quot;foreColor&quot;:&quot;rgb(0, 0, 0)&quot;},&quot;text&quot;:&quot;High&quot;},{&quot;type&quot;:&quot;text&quot;,&quot;text&quot;:&quot; (robotic integration)&quot;}]\">High (robotic integration)<\/td><td>High (inline systems)<\/td><td>High (conveyor systems)<\/td><td>Low<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Setup Cost<\/td><td data-sheet-value=\"[{&quot;type&quot;:&quot;text&quot;,&quot;style&quot;:{&quot;font&quot;:&quot;12pt\/1.5 MonospacedNumber, LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, \\&quot;Helvetica Neue\\&quot;, Tahoma, \\&quot;PingFang SC\\&quot;, \\&quot;Microsoft Yahei\\&quot;, Arial, \\&quot;Hiragino Sans GB\\&quot;, sans-serif, \\&quot;Apple Color Emoji\\&quot;, \\&quot;Segoe UI Emoji\\&quot;, \\&quot;Segoe UI Symbol\\&quot;, \\&quot;Noto Color Emoji\\&quot;&quot;,&quot;foreColor&quot;:&quot;rgb(0, 0, 0)&quot;},&quot;text&quot;:&quot;High&quot;},{&quot;type&quot;:&quot;text&quot;,&quot;text&quot;:&quot; (laser system)&quot;}]\">High (laser system)<\/td><td>Medium-High (oven)<\/td><td>Medium-High (wave machine)<\/td><td data-sheet-value=\"[{&quot;type&quot;:&quot;text&quot;,&quot;style&quot;:{&quot;font&quot;:&quot;12pt\/1.5 MonospacedNumber, LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, \\&quot;Helvetica Neue\\&quot;, Tahoma, \\&quot;PingFang SC\\&quot;, \\&quot;Microsoft Yahei\\&quot;, Arial, \\&quot;Hiragino Sans GB\\&quot;, sans-serif, \\&quot;Apple Color Emoji\\&quot;, \\&quot;Segoe UI Emoji\\&quot;, \\&quot;Segoe UI Symbol\\&quot;, \\&quot;Noto Color Emoji\\&quot;&quot;,&quot;foreColor&quot;:&quot;rgb(0, 0, 0)&quot;},&quot;text&quot;:&quot;Low&quot;},{&quot;type&quot;:&quot;text&quot;,&quot;text&quot;:&quot; (iron)&quot;}]\">Low (iron)<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Operational Cost<\/td><td>Low (no consumables beyond solder)<\/td><td>Medium (paste, energy)<\/td><td>Medium (flux, solder dross)<\/td><td>Low (solder wire)<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Best Suited For<\/td><td>Miniaturized, heat-sensitive, HDI, flex, rework<\/td><td>High-volume SMD assembly<\/td><td>High-volume THT assembly<\/td><td>Prototyping, rework, repairs<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #b56408; color: #ffffff;\">Key Limitations<\/td><td>Slower for bulk joints, reflective surfaces<\/td><td>Thermal stress, tombstoning, voiding<\/td><td>Shadowing, solder bridging, thermal shock<\/td><td>Inconsistent quality, scalability<\/td><\/tr><\/tbody><\/table><\/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<div class=\"elementor-element elementor-element-10713db elementor-widget elementor-widget-text-editor\" data-id=\"10713db\" 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=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-JDx8deA8hoSLZBxughWcqFFtneM\"><em>Selection Guidelines: When to Choose Laser Soldering<\/em><\/h3><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-FzJrdVZs1o0scCxL4TNc0p41nNg\" data-list=\"bullet\"><div>\u2705 <strong><span style=\"color: #008000;\">Choose Laser Soldering<\/span><\/strong> for: <strong>Miniaturization, thermal-sensitive materials, low-volume flexibility, critical rework, and complex assemblies.<\/strong><\/div><\/li><li class=\"ace-line ace-line old-record-id-SYZ7dQzUsoo3SbxM6cUchwg2n2e\" data-list=\"bullet\"><div>\u26d4 <strong><span style=\"color: #800000;\">Avoid Laser Soldering<\/span><\/strong> for:<strong><a href=\"https:\/\/www.elepcb.com\/blog\/a-complete-guide-to-high-volume-pcb-assembly\/\"> High-volume<\/a> <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-through-hole-pcb\/\">THT<\/a> production, cost-driven projects, or large-pitch components with simple thermal requirements.<\/strong><\/div><\/li><li class=\"ace-line ace-line old-record-id-K6YLdJbjAo7keFxSd3Bc9jKqn5c\" data-list=\"bullet\"><div><strong>Hybrid Approach<\/strong>: Many manufacturers combine laser (for critical joints) + reflow (for bulk SMDs) to balance precision and throughput.<\/div><\/li><\/ul><\/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-56e3984 elementor-widget elementor-widget-image\" data-id=\"56e3984\" 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 loading=\"lazy\" decoding=\"async\" width=\"592\" height=\"568\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/comparsion-with-traditional-soldering-method.jpg\" class=\"attachment-large size-large wp-image-20997\" alt=\"comparsion-with-traditional-soldering-method\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/comparsion-with-traditional-soldering-method.jpg 592w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/comparsion-with-traditional-soldering-method-300x288.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/comparsion-with-traditional-soldering-method-13x12.jpg 13w\" sizes=\"(max-width: 592px) 100vw, 592px\" \/>\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-eedde2c elementor-widget elementor-widget-heading\" data-id=\"eedde2c\" 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>Laser Soldering Machines and Tools<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db6c1d9 elementor-widget elementor-widget-text-editor\" data-id=\"db6c1d9\" 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=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnboKlFVajfhmAgpTyNzXb8d\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"><div class=\"ace-line ace-line old-record-id-UFM6d0t7ootlSfxEG6mc4Ow5nTh\">The laser soldering machines for PCB assembly vary from <span style=\"color: #008000;\">benchtop machines<\/span> for small prototypes to <span style=\"color: #008000;\">fully automated inline systems<\/span>. While the configurations vary, many consist of <strong>a robotic arm or motion systems, alignment cameras, inspection cameras, and software<\/strong> to run profiles and heat requirements for each component. Certain setups also include <span style=\"color: #008000;\">industrial laser soldering irons<\/span>, which are handheld, semi-automated devices that focus a laser beam through a fiber optic cable into a nozzle that the operator moves. These are generally for rework and repairs or low-volume applications for niche production.<\/div><div><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn3Lug007RXe6KMnkNt0ZlKf\">Another essential part is <span style=\"color: #008000;\">feedback control<\/span>. Higher-end units utilize non-contact temperature sensing to gauge joint temperature and adjust laser power accordingly. This happens in real-time to avoid <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-thermal-management\/\">overheating<\/a>, providing a uniform operation that would not be possible with hand soldering.<\/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-17663eb elementor-widget elementor-widget-image\" data-id=\"17663eb\" 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 loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"367\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-welding-process.png\" class=\"attachment-full size-full wp-image-20999\" alt=\"laser-welding-process\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-welding-process.png 520w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-welding-process-300x212.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/08\/laser-welding-process-18x12.png 18w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/>\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-2111e52e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2111e52e\" 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-668b01c0\" data-id=\"668b01c0\" 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-d24bc64 elementor-widget elementor-widget-spacer\" data-id=\"d24bc64\" 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<div class=\"elementor-element elementor-element-37342720 elementor-widget elementor-widget-heading\" data-id=\"37342720\" 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-65d0826 elementor-widget elementor-widget-text-editor\" data-id=\"65d0826\" 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=\"R9endOKSfohZDYxDRQXcy4SMnif\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AkRud4W0noqu12xps4VcuuEznXf\"><div data-page-id=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnkYU4PHI81ZNiNatWh9PMNb\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnoyVFCrFit499Hd8xWAaCSf\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-QLwad99dpogYfexoojic5rzjnzg\">Laser soldering is <span style=\"color: #008000;\"><span style=\"color: #000000;\">an<\/span> accurate, clean, and efficient solution<\/span> for the latest <a href=\"https:\/\/www.elepcb.com\/blog\/electronics-manufacturing\/\">manufacturing<\/a> needs in the electronics industry. It&#8217;s a non-contact approach with precise heat application that easily deals with tiny, fragile components and <a href=\"https:\/\/www.elepcb.com\/pcb-products\/hdi-pcb\/\">HDI PCB<\/a> layouts. From implantable medical devices to ADAS sensors and wearables, this technology solves critical challenges traditional methods that cannot.<\/div><div class=\"ace-line ace-line old-record-id-doxcnkayahZ6URlZqQKbJqc7Rrd\"><em><strong>Wondering if laser soldering is the right option for your next job?<\/strong> <\/em><a href=\"https:\/\/www.elepcb.com\/'\"><strong>ELEPCB<\/strong> <\/a>has you covered. <span style=\"color: #008000;\"><em><strong><a href=\"https:\/\/www.elepcb.com\/contact-us\/\">Contact us<\/a> to get expert advice and high-quality products!<\/strong><\/em><\/span><\/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-22189ec elementor-widget elementor-widget-spacer\" data-id=\"22189ec\" 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<div class=\"elementor-element elementor-element-ce510a3 elementor-widget elementor-widget-heading\" data-id=\"ce510a3\" 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-6a9a7f61 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a9a7f61\" 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-707e06fe\" data-id=\"707e06fe\" 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-1edded77 elementor-widget elementor-widget-toggle\" data-id=\"1edded77\" 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-5171\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-5171\" 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: Can I use laser soldering if my application requires lead-free solder?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5171\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-5171\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Gx3Sd5soxoboFqx3TnbcyXIYnZc\"><p>A1: Yes. Laser soldering is perfectly suited for <a href=\"https:\/\/www.elepcb.com\/blog\/lead-vs-lead-free-solder-which-is-better\/\">lead-free solder<\/a> applications as well because it renders components easily damaged with tin\/lead solders on those with higher melting points. Laser soldering only exerts as much heat as needed, so it does not make this mistake as often.<\/p><\/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-5172\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-5172\" 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 you use laser soldering for double-sided boards?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5172\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-5172\"><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\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-M9qsd9CqzowDS2x2lqOcn1e8nEg\"><p>A2: Yes. Laser soldering is commonly used with <a href=\"https:\/\/www.elepcb.com\/blog\/printed-circuit-board-types-and-their-uses\/\">double-sided PCBs<\/a> where the solder paste was applied at an earlier stage, and one side needs post-reflow joint fabrication or repair. Because it doesn&#8217;t require reheating for the entire assembly, components on the other side will remain undisturbed.<\/p><\/div><\/div><\/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-5173\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-5173\" 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 flux needed for laser soldering?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5173\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-5173\"><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\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-M9qsd9CqzowDS2x2lqOcn1e8nEg\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-KbOmdCjUlo25IgxqaLNcVo7pn7b\"><p>A3: Not usually, laser soldering can be <strong>flux-free<\/strong> based upon the cleanliness of the process, although in some cases, special metals or oxidized surfaces may require flux, and that too can be employed.<\/p><\/div><\/div><\/div><\/div><\/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-72b68d12 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"72b68d12\" 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-46a34694\" data-id=\"46a34694\" 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-651c3920 elementor-widget elementor-widget-shortcode\" data-id=\"651c3920\" 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\" 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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 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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 Laser soldering is an ideal solution for high-density and critical assemblies, yielding high-quality solder joints on PCB pads with minimal thermal stress. Compared to traditional soldering methods, laser soldering can be finished in a non-contact manner. This reduces thermal stress and minimizes the flux cleaning process. What is the laser soldering process? 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