{"id":38506,"date":"2025-09-18T03:39:29","date_gmt":"2025-09-18T03:39:29","guid":{"rendered":"https:\/\/www.fs-pcba.com\/?p=38506"},"modified":"2025-11-17T01:48:48","modified_gmt":"2025-11-17T01:48:48","slug":"negative-and-positive-photoresist","status":"publish","type":"post","link":"https:\/\/www.fs-pcba.com\/it\/negative-and-positive-photoresist\/","title":{"rendered":"Negative vs. Positive Photoresist in PCB Manufacturing: Key Differences Explained"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"38506\" class=\"elementor elementor-38506\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ad4e089 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"ad4e089\" 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-33 elementor-top-column elementor-element elementor-element-2c6778c\" data-id=\"2c6778c\" 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-1907815 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"1907815\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&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__1907815\" aria-expanded=\"true\" aria-label=\"Apri l&#039;indice dei contenuti\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__1907815\" aria-expanded=\"true\" aria-label=\"Chiudi l&#039;indice dei contenuti\"><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__1907815\" 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\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-d405a4d\" data-id=\"d405a4d\" 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-db41154 elementor-widget elementor-widget-spacer\" data-id=\"db41154\" 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-33cc032 elementor-widget elementor-widget-heading\" data-id=\"33cc032\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Negative vs. Positive Photoresist in PCB Manufacturing: Key Differences Explained<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4079963 elementor-widget elementor-widget-shortcode\" data-id=\"4079963\" 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\">    <style>\n        .vertical-divider {\n            height: 7px; \/* \u8bbe\u7f6e\u5206\u5272\u7ebf\u9ad8\u5ea6 *\/\n            background:#006FAD;\n        }\n    <\/style>\n<div class=\"vertical-divider\"><\/div>    <\/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-48e0d73 elementor-widget elementor-widget-text-editor\" data-id=\"48e0d73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Etching is a critical process in printed circuit board (PCB) production that provides conductive paths by selectively eliminating excess copper from the board. Two of the most common methods are <strong>negative photoresist and positive etching<\/strong>.\u00a0These are two fundamental photolithographic processes used to transfer a <a href=\"https:\/\/www.fs-pcba.com\/circuit-board-pattern\/\"><span style=\"text-decoration: underline;\">circuit pattern<\/span><\/a> onto a copper-clad board.<\/p><p>Even though both processes yield comparable end products, they operate differently, have varying sensitivity and mechanical strength, which makes their use a crucial part in several electronic designs. Choosing the right method is crucial for achieving the desired accuracy, yield, and cost-effectiveness for your PCB.<\/p><p>This post will serve as your complete guide about <strong>negative and positive photoresist<\/strong>, explaining what each process is, how they work, and how to decide which one is best for your application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06c1a63 elementor-widget elementor-widget-heading\" data-id=\"06c1a63\" 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\">What Is the Negative and Positive Photoresist Technique?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5da0a9 elementor-widget elementor-widget-text-editor\" data-id=\"e5da0a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\"><strong>Negative etching<\/strong> makes use of a <strong>negative photoresist<\/strong>, the portions of which are exposed to UV radiation, hardened to resist the copper, and the unexposed portions that get dissolved, while <strong>positive etching<\/strong> makes use of a <strong>positive photoresist<\/strong>, the portions exposed to UV radiation being soluble, such that the copper underneath gets dissolved.<\/span><\/p><p>The following video briefly introduces the process of photolithography. Through the video, you will have a better understanding of the photolithography process.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f8bda0 elementor-widget elementor-widget-video\" data-id=\"4f8bda0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/oBKhN4n-EGI?si=fE7xLzZh28hjs_NO&quot;,&quot;start&quot;:75,&quot;end&quot;:240,&quot;lazy_load&quot;:&quot;yes&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\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-35bcda3 elementor-widget elementor-widget-heading\" data-id=\"35bcda3\" 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\">How Do Negative and Positive Etching Work?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72f7fdc elementor-widget elementor-widget-text-editor\" data-id=\"72f7fdc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Etching is a process of controlled removal of unwanted material from a surface to produce detailed patterns, typically used in the production of PCBs.<\/span><\/p><p><span style=\"font-weight: 400;\">Through selective protection of regions with a photoresist and exposure of other areas to chemicals, etching produces the desired <a href=\"https:\/\/www.fs-pcba.com\/pcb-trace\/\"><span style=\"text-decoration: underline;\">traces of a circuit<\/span><\/a>. The process can be done through <strong>negative or positive photoresists<\/strong>, each taking distinct steps to produce accurate and long-lasting patterns.<\/span><\/p>\t\t\t\t\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-ba0b664 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ba0b664\" 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-41b89ec\" data-id=\"41b89ec\" 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-77c1d8b elementor-widget elementor-widget-text-editor\" data-id=\"77c1d8b\" 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<h3>Positive Etching<\/h3><ul><li><p class=\"ds-markdown-paragraph\">The mask used is a\u00a0<strong>positive image<\/strong>\u00a0of the circuit\u2014meaning the black lines on the film represent the copper traces that will remain.<\/p><\/li><li><p class=\"ds-markdown-paragraph\">UV light passes through the clear regions of the film, and illuminates the photoresist.<\/p><\/li><li><p class=\"ds-markdown-paragraph\">During development, this\u00a0<strong>exposed<\/strong>\u00a0resist dissolves.<\/p><\/li><li><p class=\"ds-markdown-paragraph\">The etchant removes the copper that is now uncovered (which was exposed to light).<\/p><\/li><li><p class=\"ds-markdown-paragraph\">The final copper pattern matches the opaque (black) parts of the original film.<\/p><\/li><\/ul>\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-22dc923\" data-id=\"22dc923\" 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-3fba644 elementor-widget elementor-widget-text-editor\" data-id=\"3fba644\" 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<h3>Negative Etching<\/h3><ul><li><p class=\"ds-markdown-paragraph\">The mask used is a\u00a0<strong>negative image<\/strong>\u00a0of the circuit\u2014meaning the clear parts of the film represent the copper traces that will remain.<\/p><\/li><li><p class=\"ds-markdown-paragraph\">UV light passes through the clear parts of the film, exposing and hardening the photoresist.<\/p><\/li><li><p class=\"ds-markdown-paragraph\">During development, the\u00a0<strong>unexposed<\/strong> resist is removed.<\/p><\/li><li><p class=\"ds-markdown-paragraph\">The etchant removes the copper that is now uncovered (which was\u00a0<em>not<\/em>\u00a0exposed to light).<\/p><\/li><li><p class=\"ds-markdown-paragraph\">The pattern of copper that remains is identical to the clear regions of the original film.<\/p><\/li><\/ul>\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-2dd1ed1 elementor-widget elementor-widget-heading\" data-id=\"2dd1ed1\" 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\">Comparative Analysis of Negative and Positive Photoresist<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c297ab elementor-widget elementor-widget-text-editor\" data-id=\"1c297ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The differences make it easier for designers to select the most appropriate method based on the needs of the project, either in terms of durability, cost, or being precise. The changes between the two etching procedures are explained below.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c4c1f8 elementor-widget elementor-widget-text-editor\" data-id=\"6c4c1f8\" 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<h3><b>Sensitivity<\/b><\/h3><p><span style=\"font-weight: 400;\">Since negative photoresist is less UV light sensitive, it is easy to process it for larger production without needing highly precise instruments. This results in more tolerance and less error, and is compatible with typical PCB designs where ultra-high precision is not necessary.<\/span><\/p><p><span style=\"font-weight: 400;\">High UV sensitivity in positive photoresist ensures fine patterns are generated within high-density circuits. Although this process needs controlled exposure and manufacturing protocol, this precision is a must for high-tech electronics that need high sensitivity as well as micro-scale accuracy.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e953035 elementor-widget elementor-widget-text-editor\" data-id=\"e953035\" 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<h3><b>Resolution<\/b><\/h3><p><span style=\"font-weight: 400;\">Negative photoresist gives moderate resolution, which is sufficient for normal circuit designs but is not capable of very fine or dense traces. Although it has low resolution, it is sufficient for most industrial and consumer electronics applications.<\/span><\/p><p><span style=\"font-weight: 400;\">Positive photoresist may produce very tiny traces and complicated circuit designs. This functionality is necessary for miniaturised PCBs, HDI boards, and other high-density devices.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d63cdc elementor-widget elementor-widget-text-editor\" data-id=\"4d63cdc\" 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<h3><b>Mechanical Strength<\/b><\/h3><p><span style=\"font-weight: 400;\">Negative photoresist is associated with improved copper adhesion, physically stable tracks that are resistant to thermal and physical stress. Its mechanical strength makes it especially suited to vibrated boards, handled repeatedly, or operated at high temperatures.<\/span><\/p><p><span style=\"font-weight: 400;\">Positive photoresist, though precise, leaves finer scratches with reduced mechanical stress and handling strength. While the technique is capable of fine detail, handling and assembly must be undertaken carefully so it will not be destroyed, especially in boards having very thin copper layers.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d3c581f elementor-widget elementor-widget-text-editor\" data-id=\"d3c581f\" 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<h3><b>Pros and Cons<\/b><\/h3><p><span style=\"font-weight: 400;\">Both these photoresists comes with their advantages and disadvantages. Some of the common ones have been highlighted here in this table:<\/span><\/p><table><tbody><tr><td><p><strong>Photoresist\u00a0 Type<\/strong><\/p><\/td><td><p><strong>Pros<\/strong><\/p><\/td><td><p><strong>Cons<\/strong><\/p><\/td><\/tr><tr><td><p><strong>Negative\u00a0Photoresist <\/strong><\/p><\/td><td><p><span style=\"font-weight: 400;\">1. Less expensive and cost-effective for mass production.<\/span><\/p><p><span style=\"font-weight: 400;\">2. Simpler to process on the shop floor.<\/span><\/p><p><span style=\"font-weight: 400;\">3. High mechanical strength and reliability.<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">1. Lower resolution.<\/span><\/p><p><span style=\"font-weight: 400;\">2. Not possible to create very fine or detailed designs.<\/span><\/p><\/td><\/tr><tr><td><p><strong>Positive Photoresist <\/strong><\/p><\/td><td><p><span style=\"font-weight: 400;\">1. Positive photoresist is extremely accurate and suitable for high-density schematics.<\/span><\/p><p><span style=\"font-weight: 400;\">2. It is possible to make ultra-fine features and complex patterns.<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">1. More delicate than negative etching.<\/span><\/p><p><span style=\"font-weight: 400;\">2. Higher fabrication cost.<\/span><\/p><p><span style=\"font-weight: 400;\">3. The process requires stringent process conditions.<\/span><\/p><\/td><\/tr><\/tbody><\/table>\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-7d35569 elementor-widget elementor-widget-text-editor\" data-id=\"7d35569\" 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<h3><b>Examples<\/b><\/h3><p><span style=\"font-weight: 400;\">Negative photoresist occurs in industrial and automotive boards, whereas positive photoresist occurs in avionics, medical, and HDI systems.<\/span><\/p><h4><strong>Negative Photoresist <\/strong><\/h4><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/www.fs-pcba.com\/automotive-pcb\/\"><span style=\"text-decoration: underline;\">Automotive Electronics<\/span><\/a>:<\/b><span style=\"font-weight: 400;\"> Engine management boards, power systems, and control units.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/www.fs-pcba.com\/industrial-pcb-and-pcba-manufacturer\/\"><span style=\"text-decoration: underline;\">Industrial PCBs<\/span><\/a>: <\/b><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.fs-pcba.com\/how-power-supplies-work\/\"><span style=\"text-decoration: underline;\">Power supply boards<\/span><\/a>, heavy machinery controllers, and motor drivers.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/www.fs-pcba.com\/consumer-electronics-pcba\/\"><span style=\"text-decoration: underline;\">Consumer Electronics<\/span><\/a>:<\/b><span style=\"font-weight: 400;\"> Mass-produced appliances where longevity is a concern, <a href=\"https:\/\/www.fs-pcba.com\/refrigerator-pcb\/\"><span style=\"text-decoration: underline;\">refrigerators<\/span><\/a> and televisions.<\/span><\/li><\/ul><h4><b>Positive <\/b><strong>Photoresist<\/strong><\/h4><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/www.fs-pcba.com\/medical-pcb\/\"><span style=\"text-decoration: underline;\">Medical Devices<\/span><\/a>:<\/b><span style=\"font-weight: 400;\"> Positive photoresist is utilized in monitoring equipment, wearable devices which require compact design, and it is also used in medical imaging systems.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.fs-pcba.com\/aerospace-pcb-assembly\/\"><span style=\"text-decoration: underline;\"><b>Avionics<\/b><\/span><\/a><span style=\"font-weight: 400;\">: In aviation machines and devices, this method is used for navigation devices and communication modules.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.fs-pcba.com\/hdi-pcb\/\"><span style=\"text-decoration: underline;\"><b>HDI PCBs<\/b><\/span><\/a><span style=\"font-weight: 400;\">: <a href=\"https:\/\/www.fs-pcba.com\/5g-components-in-smartphone-pcbs\/\"><span style=\"text-decoration: underline;\">Smartphones<\/span><\/a>, tablets, and wearable devices have high-density circuit layouts.<\/span><\/li><\/ul>\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-4f21537 elementor-widget elementor-widget-heading\" data-id=\"4f21537\" 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\">Negative vs. Positive Photoresist: Comparison Table<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-197f41e elementor-widget elementor-widget-text-editor\" data-id=\"197f41e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The following table summarizes the comparison of the above components.<\/span><\/p><table><tbody><tr><td><b>Feature<\/b><\/td><td><strong>Negative Photoresist <\/strong><\/td><td><b>Positive <\/b><strong>Photoresist<\/strong><\/td><\/tr><tr><td><b>Sensitivity<\/b><\/td><td><span style=\"font-weight: 400;\">Easier to control and not affected by UV light.<\/span><\/td><td><span style=\"font-weight: 400;\">Very sensitive, allows for fine designs, but needs attention in handling.<\/span><\/td><\/tr><tr><td><b>Resolution<\/b><\/td><td><span style=\"font-weight: 400;\">Moderate; suitable for regular boards.<\/span><\/td><td><span style=\"font-weight: 400;\">High, can handle complex layouts and micro-thin traces.<\/span><\/td><\/tr><tr><td><b>Mechanical Strength<\/b><\/td><td><span style=\"font-weight: 400;\">It is tough and resistant to physical and thermal stress.<\/span><\/td><td><span style=\"font-weight: 400;\">fragile traces that are less resistant to stress.<\/span><\/td><\/tr><tr><td><b>Pros and Cons<\/b><\/td><td><span style=\"font-weight: 400;\">Restricted in fine details, but strong and inexpensive.<\/span><\/td><td><span style=\"font-weight: 400;\">Expensive but very precise.<\/span><\/td><\/tr><tr><td><b>Examples<\/b><\/td><td><span style=\"font-weight: 400;\">General electronics and industrial control boards are two examples of standard.<\/span><\/td><td><span style=\"font-weight: 400;\">medical equipment, mobile phones, and aerospace electronics.<\/span><\/td><\/tr><\/tbody><\/table>\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-911ff9c elementor-widget elementor-widget-heading\" data-id=\"911ff9c\" 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\">How to Choose Between Negative and  Positive Photoresist<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e54aff6 elementor-widget elementor-widget-text-editor\" data-id=\"e54aff6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Choosing a correct etching method depends on the type of application, sensitivity of the instrument, resolution, and several other factors. Here\u2019s a rundown of how to choose the correct method.<\/span><\/p><h3><b>When to use Positive Photoresist:<\/b><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Best for obtaining precise accuracy and dense patterns of features<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00a0Most suitable for microelectronics, high-density interconnect boards, and small devices.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00a0Most appropriate where structural integrity is compromised to a neat, space-saving look.<\/span><b>\u00a0\u00a0\u00a0\u00a0\u00a0<\/b><\/li><\/ul><h3><b>When to use Negative Photoresist:<\/b><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">When designing with thicker copper weights and greater mechanical resistance, this process is recommended.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00a0Best suited for <a href=\"https:\/\/www.fs-pcba.com\/pcb-mass-production-service\/\"><span style=\"text-decoration: underline;\"><strong>high-volume productions<\/strong><\/span><\/a> or cost-saving programs<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Widely used in power management board designs, motor systems, and industrial electronics.<\/span><\/li><\/ul>\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-84daba8 elementor-widget elementor-widget-text-editor\" data-id=\"84daba8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For most commercial PCB fabrication houses today,\u00a0<strong>positive photoresist is the industry standard<\/strong> for its superior precision and consistency. However, negative resist is still employed in schoole and by hobbyists, since it is cheaper and simpler to handle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f8a9b0 elementor-widget elementor-widget-shortcode\" data-id=\"2f8a9b0\" 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\">    <style>\n        .vertical-divider {\n            height: 7px; \/* \u8bbe\u7f6e\u5206\u5272\u7ebf\u9ad8\u5ea6 *\/\n            background:#006FAD;\n        }\n    <\/style>\n<div class=\"vertical-divider\"><\/div>    <\/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-1f61bb5 elementor-widget elementor-widget-heading\" data-id=\"1f61bb5\" 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\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89575b4 elementor-widget elementor-widget-text-editor\" data-id=\"89575b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Thus, negative photoresist is most suitable for power electronics and industrial use since it is robust, inexpensive, and can handle heavier copper. On the other hand, positive photoresist is the most suitable for miniaturized, high-density boards found in current devices due to its high resolution and fine features.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Both etching processes are utilised in <a href=\"https:\/\/www.fs-pcba.com\/pcb-manufacturing-services\/\"><span style=\"text-decoration: underline;\">PCB manufacturing<\/span><\/a>, depending on the mechanism, sensitivity, mechanical integrity, and cost. Generally, the choice of photoresist is dependent on a compromise between durability and accuracy to meet the application&#8217;s unique needs.<\/span><\/p><p>Contact <span style=\"text-decoration: underline;\"><strong><a href=\"https:\/\/www.fs-pcba.com\/\">FS PCBA<\/a><\/strong><\/span> for more PCB-related help and guidance.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e4b6a7 elementor-cta--skin-cover elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"3e4b6a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.fs-pcba.com\/contact\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.fs-pcba.com\/wp-content\/uploads\/2025\/05\/copper-thieving-2.png);\" role=\"img\" aria-label=\"copper thieving\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-cta__title elementor-cta__content-item elementor-content-item elementor-animated-item--grow\">\n\t\t\t\t\t\tPCB Manufacturing &amp; Assembly Service\t\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item elementor-animated-item--grow\">\n\t\t\t\t\t<span class=\"elementor-cta__button elementor-button elementor-size-\">\n\t\t\t\t\t\tGet Free a Quote Now!!\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\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-a6f08ab elementor-widget elementor-widget-heading\" data-id=\"a6f08ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4ecd13 elementor-widget elementor-widget-accordion\" data-id=\"d4ecd13\" 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<div id=\"elementor-tab-title-2231\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2231\" 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\">What potential risks to human health and the environment could PCB etching processes pose?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2231\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2231\"><p><span style=\"font-weight: 400;\">The environment and human health are harmed by the toxic materials used in PCB etching. Chemical recycling and the use of biofluids could be promoted during the etching process to allay these worries.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2232\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2232\" 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\">How do temperature and agitation influence the PCB etching?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2232\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2232\"><p><span style=\"font-weight: 400;\">Sustained agitation maintains even etching and prevents over-etching as well as under-etching in a PCB. Increased temperatures, on the other hand, accelerate the etching process but can also reduce etching uniformity.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2233\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2233\" 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\">Why is ventilation especially wanted within a home setting when etching PCBs?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2233\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2233\"><p><span style=\"font-weight: 400;\">Etching chemicals release vapours which cause serious threat to health-related dangers. This is why Proper ventilation protects the home against the harmful effects of vapours and chemicals released during the etching process through outflow of gases.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What potential risks to human health and the environment could PCB etching processes pose?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">The environment and human health are harmed by the toxic materials used in PCB etching. Chemical recycling and the use of biofluids could be promoted during the etching process to allay these worries.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"How do temperature and agitation influence the PCB etching?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Sustained agitation maintains even etching and prevents over-etching as well as under-etching in a PCB. Increased temperatures, on the other hand, accelerate the etching process but can also reduce etching uniformity.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Why is ventilation especially wanted within a home setting when etching PCBs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Etching chemicals release vapours which cause serious threat to health-related dangers. This is why Proper ventilation protects the home against the harmful effects of vapours and chemicals released during the etching process through outflow of gases.<\\\/span><\\\/p>\"}}]}<\/script>\n\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<aside class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-6bd570c\" data-id=\"6bd570c\" 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-71f4a51 elementor-widget elementor-widget-spacer\" data-id=\"71f4a51\" 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<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f697a38 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f697a38\" 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-9b64eed\" data-id=\"9b64eed\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-c8383d4 elementor-widget elementor-widget-heading\" data-id=\"c8383d4\" 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<span class=\"elementor-heading-title elementor-size-large\">Service<\/span>\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-23c803c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"23c803c\" 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-inner-column elementor-element elementor-element-1791d97\" data-id=\"1791d97\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-e88cf3b elementor-align-start active elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"e88cf3b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/ic-programming-service\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">IC Programming<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/procurement-service\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Component Procurement<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/pcb-manufacturing-services\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PCB Manufacturing<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/pcb-assembly\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PCB Assembly<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/pcba-prototyping\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PCBA Prototype<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/cable-and-wire-harness-assembly\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Harness Assembly<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/box-build-assembly\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Box Build Assembly<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/pcb-test\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PCB Test<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\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-inner-section elementor-element elementor-element-a1652d7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a1652d7\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\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-4b9b413\" data-id=\"4b9b413\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-8f0deec elementor-widget elementor-widget-heading\" data-id=\"8f0deec\" 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<span class=\"elementor-heading-title elementor-size-large\">Quote<\/span>\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-61f23ac elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"61f23ac\" 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=\"38506\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"61f23ac\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail\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[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\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_19f75cd elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_19f75cd\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tPhone\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_19f75cd]\" id=\"form-field-field_19f75cd\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Phone\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Sono accettati solo numeri e caratteri telefonici (#, -, *, ecc.).\">\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-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\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[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\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_9dadb5c elementor-col-100\">\n\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_9dadb5c]\" id=\"form-field-field_9dadb5c\" 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-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\">Send<\/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<\/aside>\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-6af7b482 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"6af7b482\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\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-1190261c\" data-id=\"1190261c\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a13aa39 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a13aa39\" 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-33 elementor-inner-column elementor-element elementor-element-79f97066\" data-id=\"79f97066\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-4a0f45d3\" data-id=\"4a0f45d3\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7e894096 elementor-widget elementor-widget-heading\" data-id=\"7e894096\" 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<p class=\"elementor-heading-title elementor-size-default\">Get a quote<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78c3814f elementor-button-align-center elementor-widget elementor-widget-form\" data-id=\"78c3814f\" 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=\"38506\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"78c3814f\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-md  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tEmail\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[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-md  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\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_d541da3 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_d541da3\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tPhone\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_d541da3]\" id=\"form-field-field_d541da3\" class=\"elementor-field elementor-size-md  elementor-field-textual\" placeholder=\"Phone\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Sono accettati solo numeri e caratteri telefonici (#, -, *, ecc.).\">\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-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label 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elementor-widget-heading\" data-id=\"bab0168\" 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-xl\">Related Blogs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2febe08 elementor-posts--thumbnail-none elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"2febe08\" data-element_type=\"widget\" data-e-type=\"widget\" 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class=\"elementor-post__text\">\n\t\t\t\t<span class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/it\/pcb-gerber-file\/\" >\n\t\t\t\tHow to Generate PCB Gerber Files: A Complete Walkthrough for Altium, KiCad, and Eagle\t\t\t<\/a>\n\t\t<\/span>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Table of Contents How to Generate PCB Gerber Files: A Complete Walkthrough for Altium, KiCad, and Eagle This article was originally published in Aug 2023<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fs-pcba.com\/it\/pcb-gerber-file\/\" aria-label=\"Leggi tutto How to Generate PCB Gerber Files: A Complete Walkthrough for Altium, KiCad, and Eagle\" tabindex=\"-1\" >\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tAgosto 9, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-43097 post type-post status-publish format-standard has-post-thumbnail hentry category-knowledge-of-pcb category-ordering-assistance tag-application tag-pcb-assembly tag-pcb-assembly-blog\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<span class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/it\/automotive-adas-controller-pcba\/\" >\n\t\t\t\tHigh-Speed Serial Bus (GMSL\/FPD-Link) Layout for ADAS Controller PCBA\t\t\t<\/a>\n\t\t<\/span>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Table of Contents High-Speed Serial Bus (GMSL\/FPD-Link) Layout for ADAS Controller PCBA The data architecture of the vehicle is changing considerably with the evolution of<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fs-pcba.com\/it\/automotive-adas-controller-pcba\/\" aria-label=\"Leggi tutto High-Speed Serial Bus (GMSL\/FPD-Link) Layout for ADAS Controller PCBA\" tabindex=\"-1\" >\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tAgosto 5, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-43068 post type-post status-publish format-standard has-post-thumbnail hentry category-knowledge-of-pcb category-ordering-assistance tag-application tag-pcb-assembly tag-pcb-assembly-blog\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<span class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/it\/automotive-grade-ecu-pcba-manufacturing\/\" >\n\t\t\t\tAutomotive-Grade Manufacturing and Thermal Cycling Testing of ECU (Engine Control Unit) PCBA\t\t\t<\/a>\n\t\t<\/span>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Table of Contents Automotive-Grade Manufacturing and Thermal Cycling Testing of ECU (Engine Control Unit) PCBA Today&#8217;s automobile is more than a mechanical device; it\u2019s a<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fs-pcba.com\/it\/automotive-grade-ecu-pcba-manufacturing\/\" aria-label=\"Leggi tutto Automotive-Grade Manufacturing and Thermal Cycling Testing of ECU (Engine Control Unit) PCBA\" tabindex=\"-1\" >\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tAgosto 2, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\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 Negative vs. Positive Photoresist in PCB Manufacturing: Key Differences Explained Etching is a critical process in printed circuit board (PCB) production that provides conductive paths by selectively eliminating excess copper from the board. Two of the most common methods are negative photoresist and positive etching.\u00a0These are two fundamental photolithographic processes used to [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[19,17],"tags":[97,114],"class_list":["post-38506","post","type-post","status-publish","format-standard","hentry","category-ordering-assistance","category-knowledge-of-pcb","tag-manufacturing-process","tag-pcb-manufacturing"],"_links":{"self":[{"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/posts\/38506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/comments?post=38506"}],"version-history":[{"count":0,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/posts\/38506\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/media?parent=38506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/categories?post=38506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/tags?post=38506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}