{"id":4929,"date":"2025-02-13T18:13:27","date_gmt":"2025-02-13T10:13:27","guid":{"rendered":"http:\/\/www.bestpcbs.com\/blog\/?p=4929"},"modified":"2025-02-13T18:17:14","modified_gmt":"2025-02-13T10:17:14","slug":"what-is-laser-direct-imagingldi-in-pcb-manufacturing","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/","title":{"rendered":"What is laser direct imaging(LDI) in PCB manufacturing?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/#What_is_laser_direct_imaging\" >What is laser direct imaging?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/#How_does_LDI_differ_from_traditional_imaging\" >How does LDI differ from traditional imaging?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/#Why_is_LDI_important_for_PCB_manufacturing\" >Why is LDI important for PCB manufacturing?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/#What_is_LDI_used_for_in_PCB_manufacturing\" >What is LDI used for in PCB manufacturing?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/#What_are_the_steps_in_the_laser_imaging_process\" >What are the steps in the laser imaging process?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/#How_does_laser_direct_imaging_work\" >How does laser direct imaging work?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/#What_are_the_advantages_of_laser_direct_imaging\" >What are the advantages of laser direct imaging?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/#What_are_the_disadvantages_of_laser_direct_imaging\" >What are the disadvantages of laser direct imaging?<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div>\n<p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/\" title=\"\">Laser direct imaging (LDI) <\/a>is an advanced PCB manufacturing technology that uses a computer-controlled laser beam to directly expose circuit patterns on a PCB substrate coated with photosensitive material. This technology can achieve high-precision imaging effects and significantly improve production efficiency and imaging quality.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_laser_direct_imaging\"><\/span>What is laser direct imaging?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Laser Direct Imaging (LDI) is an advanced PCB manufacturing technique that directly transfers circuit patterns onto a photoresist-coated board using laser technology.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"585\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1024x585.png\" alt=\"What is laser direct imaging(LDI) in PCB manufacturing?\" class=\"wp-image-4933\" style=\"width:625px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1024x585.png 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-300x171.png 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-768x439.png 768w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1536x878.png 1536w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2048x1170.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<p>Unlike traditional photolithography, which relies on photomasks, LDI uses computer-controlled lasers to etch intricate designs with extreme precision.<\/p>\n\n\n\n<p>This method significantly enhances accuracy, speed, and flexibility, making it a preferred choice for modern PCB production, especially for high-density interconnect (HDI) boards.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_does_LDI_differ_from_traditional_imaging\"><\/span>How does LDI differ from traditional imaging?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.bestpcbs.com\/products\/FR4-pcb.htm\" title=\"\">Traditional PCB<\/a> imaging depends on photomasks to transfer circuit designs onto the PCB. This process involves multiple steps, including photomask fabrication, manual alignment, and exposure to UV light.<\/p>\n\n\n\n<p>Since photomasks are physical templates, they can degrade over time, leading to inconsistencies in production.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/\" title=\"\">LDI<\/a> eliminates these challenges by using digital laser beams to expose the photoresist layer directly, ensuring greater precision and efficiency. <strong>Here\u2019s how LDI stands out:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>No photomasks required<\/strong> \u2013 Eliminates costs and maintenance associated with masks.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Higher precision<\/strong> \u2013 Laser beams can achieve much finer line widths than traditional methods.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fast design modifications <\/strong>\u2013 Digital files allow for easy and quick adjustments.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Less material waste<\/strong> \u2013 Reduces the need for physical stencils, making the process eco-friendly.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_is_LDI_important_for_PCB_manufacturing\"><\/span>Why is LDI important for PCB manufacturing?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The demand for compact, high-performance electronics continues to grow. LDI technology plays a crucial role in meeting these demands by allowing manufacturers to create complex circuit layouts with extreme accuracy.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2-1024x1024.jpg\" alt=\"What is laser direct imaging(LDI) in PCB manufacturing?\" class=\"wp-image-4934\" style=\"width:443px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2-1024x1024.jpg 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2-300x300.jpg 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2-150x150.jpg 150w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2-768x768.jpg 768w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2-1536x1536.jpg 1536w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-2-2048x2048.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<p><strong>Key Benefits of LDI in PCB Production:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fine-line circuit imaging <\/strong>\u2013 Supports line widths as small as 50 microns or less.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Better alignment precision<\/strong> \u2013 Perfect for multilayer PCBs where layers must align perfectly.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Faster turnaround time<\/strong> \u2013 Since no photomasks are required, production cycles are shorter.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cost-effective for prototypes <\/strong>\u2013 Ideal for low to medium-volume production runs.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Reduces defects<\/strong> \u2013 Eliminates common photolithography issues like misalignment and dust contamination.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_LDI_used_for_in_PCB_manufacturing\"><\/span>What is LDI used for in PCB manufacturing?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>LDI is especially valuable for:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.bestpcbs.com\/products\/HDI-board.htm\" title=\"\">HDI PCBs<\/a> <\/strong>\u2013 Enables the creation of extremely fine pitch traces.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flexible &amp; <a href=\"https:\/\/www.bestpcbs.com\/products\/rigid-flex.htm\" title=\"\">Rigid-Flex PCBs<\/a><\/strong> \u2013 Ensures precise patterning for flexible circuits.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.bestpcbs.com\/products\/RF-board.htm\" title=\"\"><strong>RF and Microwave PCBs<\/strong> <\/a>\u2013 Delivers superior signal integrity in high-frequency applications.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prototyping &amp; Small Batch Production<\/strong> \u2013 Reduces the need for costly photomask production.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_steps_in_the_laser_imaging_process\"><\/span>What are the steps in the laser imaging process?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The LDI process follows a precise workflow to ensure accurate circuit patterning on the PCB. <strong>Here\u2019s how it works:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pre-Processing &amp; Design Preparation<\/strong> \u2013 The PCB layout is converted into a digital file for LDI processing.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Photoresist Application<\/strong> \u2013 The PCB is coated with a light-sensitive photoresist layer.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Laser Exposure<\/strong> \u2013 High-precision UV lasers expose the design directly onto the photoresist.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Development Process<\/strong> \u2013 Unexposed photoresist is removed, revealing the circuit pattern.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Etching &amp; Stripping<\/strong> \u2013 Unwanted copper is etched away, leaving the final circuit traces.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Quality Inspection<\/strong> \u2013 The board undergoes optical and electrical testing to ensure precision.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_does_laser_direct_imaging_work\"><\/span>How does laser direct imaging work?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>LDI uses a high-intensity laser beam to directly expose the photoresist layer on the PCB without needing a photomask. The system moves the laser precisely across the board, creating circuit traces based on a digitally stored layout.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"1024\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1-796x1024.jpg\" alt=\"What is laser direct imaging(LDI) in PCB manufacturing?\" class=\"wp-image-4935\" style=\"width:400px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1-796x1024.jpg 796w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1-233x300.jpg 233w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1-768x987.jpg 768w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1-1195x1536.jpg 1195w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-1.jpg 1400w\" sizes=\"auto, (max-width: 796px) 100vw, 796px\" \/><\/a><\/figure><\/div>\n\n\n<p>Since the laser operates with pinpoint accuracy, it ensures perfect pattern alignment, making it especially useful for HDI and multilayer PCB manufacturing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_advantages_of_laser_direct_imaging\"><\/span>What are the advantages of laser direct imaging?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>LDI has transformed the PCB manufacturing industry with its unmatched speed, accuracy, and efficiency.<\/p>\n\n\n\n<p><strong>1. Enhanced Precision<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Allows for narrow trace widths and tight spacing.<\/li>\n\n\n\n<li>Reduces alignment errors in <a href=\"https:\/\/www.bestpcbs.com\/products\/multi-layer-pcb.htm\" title=\"\">multilayer PCBs<\/a>.<\/li>\n\n\n\n<li>Supports the production of high-density circuit boards.<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Eliminates Photomasks<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No need to create, store, or maintain expensive photomasks.<\/li>\n\n\n\n<li>Digital files can be easily modified for design updates.<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Faster Production Cycles<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-3.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"796\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-3-1024x796.jpg\" alt=\"What is laser direct imaging(LDI) in PCB manufacturing?\" class=\"wp-image-4936\" style=\"width:448px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-3-1024x796.jpg 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-3-300x233.jpg 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-3-768x597.jpg 768w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-3-1536x1195.jpg 1536w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/LDI-3.jpg 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Reduces imaging time compared to traditional methods.<\/li>\n\n\n\n<li>Supports rapid prototyping and quick design changes.<\/li>\n<\/ul>\n\n\n\n<p><strong>4. Cost-Efficiency for Prototyping &amp; Low-Volume Runs<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ideal for custom PCB designs and small-batch production.<\/li>\n\n\n\n<li>Avoids high costs associated with mask creation.<\/li>\n<\/ul>\n\n\n\n<p><strong>5. Consistent &amp; Reliable Results<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No photomask degradation means every board is identical.<\/li>\n\n\n\n<li>Reduces defects like overexposure, misalignment, and contamination.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_disadvantages_of_laser_direct_imaging\"><\/span>What are the disadvantages of laser direct imaging?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Despite its benefits, LDI is not without challenges. Here are some considerations:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1. High Initial Investment: <\/strong>LDI equipment is more expensive than traditional imaging tools.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>2. Higher Power Consumption: <\/strong>Laser systems require significant energy to operate efficiently.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>3. Not Always Ideal for High-Volume Production:<\/strong> For very large-scale manufacturing, traditional photolithography may still be more cost-effective.<\/li>\n<\/ul>\n\n\n\n<p><strong>Conclusion\uff1a<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-laser-direct-imagingldi-in-pcb-manufacturing\/\" title=\"\">Laser Direct Imaging<\/a> has revolutionized PCB manufacturing, offering higher accuracy, efficiency, and flexibility compared to traditional imaging techniques.<\/p>\n\n\n\n<p>If you need precision-engineered PCBs with LDI technology, EBest Circuit (Best Technology) is your trusted partner. Contact us at: <strong><a href=\"mailto:sales@bestpcbs.com\">sales@bestpcbs.com<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Laser direct imaging (LDI) is an advanced PCB manufacturing technology that uses a computer-controlled laser beam to directly expose circuit patterns on a PCB substrate coated with photosensitive material. This technology can achieve high-precision imaging effects and significantly improve production efficiency and imaging quality. What is laser direct imaging? Laser Direct Imaging (LDI) is an [&hellip;]<\/p>\n","protected":false},"author":32826,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[175,174,37,16],"tags":[472,522,272],"class_list":["post-4929","post","type-post","status-publish","format-standard","hentry","category-best-pcb","category-bestpcb","category-faq","category-pcb-technology","tag-laser-direct-imaging","tag-ldi","tag-pcb-manufacturing"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Laser direct imaging (LDI) is an advanced PCB manufacturing technology that uses a computer-controlled laser beam to directly expose circuit patterns on a PCB substrate coated with photosensitive material. 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