{"id":2021,"date":"2026-04-20T09:51:17","date_gmt":"2026-04-20T01:51:17","guid":{"rendered":"https:\/\/jkrglo.com\/?p=2021"},"modified":"2026-04-20T10:31:57","modified_gmt":"2026-04-20T02:31:57","slug":"how-to-determine-how-many-layers-a-pcb-has","status":"publish","type":"post","link":"https:\/\/jkrglo.com\/fr\/how-to-determine-how-many-layers-a-pcb-has\/","title":{"rendered":"How to determine how many layers a PCB has?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2021\" class=\"elementor elementor-2021\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2197b92e e-flex e-con-boxed e-con e-parent\" data-id=\"2197b92e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-63d9be44 e-con-full e-flex e-con e-child\" data-id=\"63d9be44\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23e7bd4e elementor-widget elementor-widget-breadcrumbs\" data-id=\"23e7bd4e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/jkrglo.com\/\">HOME<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-24a9843c e-flex e-con-boxed e-con e-parent\" data-id=\"24a9843c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3d8692ff e-con-full e-flex e-con e-child\" data-id=\"3d8692ff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1558e31d e-con-full e-flex e-con e-child\" data-id=\"1558e31d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-750f0992 elementor-widget elementor-widget-heading\" data-id=\"750f0992\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">How to Tell How Many Layers a PCB Has (Without Wasting $12k on Guesses)<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2f148d1d e-con-full e-flex e-con e-child\" data-id=\"2f148d1d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1572d357 e-con-full e-flex e-con e-child\" data-id=\"1572d357\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-573558fb elementor-widget elementor-widget-post-info\" data-id=\"573558fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul 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data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div>You can accurately determine <a href=\"https:\/\/en.wikipedia.org\/wiki\/Printed_circuit_board\"><strong>PCB<\/strong><\/a> layer count by inspecting the edge cross-section, analyzing via types, checking manufacturer markings, or using a multimeter. Cutting a tiny corner gives 100% accuracy but destroys that section. 2-4 layers dominate consumer goods, while 8+ layers are standard for high-performance electronics.<\/div><div>\u00a0<\/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>\n\t\t<div class=\"elementor-element elementor-element-443d8d1 e-con-full e-flex e-con e-child\" data-id=\"443d8d1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-46feba3 e-con-full e-flex e-con e-child\" data-id=\"46feba3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6220414 elementor-widget elementor-widget-heading\" data-id=\"6220414\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why Most People Get This Spectacularly Wrong<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b05ccc5 e-con-full e-flex e-con e-child\" data-id=\"b05ccc5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-f8a74b1 e-con-full e-flex e-con e-child\" data-id=\"f8a74b1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-421b7a0 elementor-widget elementor-widget-text-editor\" data-id=\"421b7a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\">I&#8217;ve seen too many engineers hold a board up to the light, squint for 30 seconds, and confidently declare it&#8217;s 4-layer when it&#8217;s actually 6. Last quarter, a new client learned this the hard way. They spent $12,000 redesigning a drone flight controller to fit what they thought was a 4-layer footprint, only to discover the original had two hidden internal ground planes. The entire production run got pushed back 6 weeks.<\/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>\n\t\t<div class=\"elementor-element elementor-element-59ba781 e-con-full e-flex e-con e-child\" data-id=\"59ba781\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c001a55 e-con-full e-flex e-con e-child\" data-id=\"c001a55\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ff376cc elementor-widget elementor-widget-text-editor\" data-id=\"ff376cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\">The dirty secret no one tells you: Modern PCB manufacturing has made the &#8220;thicker = more layers&#8221; rule completely obsolete. A 0.8mm board today can easily be 8 layers, while a 1.6mm board from 2020 might only be 2. Guessing isn&#8217;t just unprofessional\u2014it&#8217;s expensive.<\/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>\n\t\t<div class=\"elementor-element elementor-element-9d875f3 e-con-full e-flex e-con e-child\" data-id=\"9d875f3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6b75e6d e-con-full e-flex e-con e-child\" data-id=\"6b75e6d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c9a4cb elementor-widget elementor-widget-heading\" data-id=\"6c9a4cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The Only Methods That Actually Deliver Results<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7e8d194 e-con-full e-flex e-con e-child\" data-id=\"7e8d194\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-f68e5fb e-con-full e-flex e-con e-child\" data-id=\"f68e5fb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ef5caa elementor-widget elementor-widget-text-editor\" data-id=\"4ef5caa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\">Let&#8217;s skip the textbook nonsense and get straight to what works in the real world, ordered from least to most destructive.<\/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>\n\t\t<div class=\"elementor-element elementor-element-1fc32f9 e-con-full e-flex e-con e-child\" data-id=\"1fc32f9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b927ac7 e-con-full e-flex e-con e-child\" data-id=\"b927ac7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45efd3b elementor-widget elementor-widget-text-editor\" data-id=\"45efd3b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><p class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><span style=\"color: #800000;\"><strong>Check the Edge Cross-Section (10 Seconds, 85% Accurate)<\/strong><\/span><\/p><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3846a52 e-con-full e-flex e-con e-child\" data-id=\"3846a52\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4779b0a e-con-full e-flex e-con e-child\" data-id=\"4779b0a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a05f1b9 elementor-widget elementor-widget-text-editor\" data-id=\"a05f1b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\">This is the fastest non-destructive method that doesn&#8217;t require any tools. Grab the board and look at its side profile. You&#8217;ll see alternating stripes of shiny copper and dark fiberglass.<\/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>\n\t\t<div class=\"elementor-element elementor-element-edf764d e-con-full e-flex e-con e-child\" data-id=\"edf764d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9e3f07d e-con-full e-flex e-con e-child\" data-id=\"9e3f07d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-91cb5eb elementor-widget elementor-widget-text-editor\" data-id=\"91cb5eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\">Here&#8217;s the math: <span style=\"color: #800000;\"><strong>Number of fiberglass layers + 1 = number of copper layers<\/strong>.<\/span><\/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>\n\t\t<div class=\"elementor-element elementor-element-9bc7dbf e-con-full e-flex e-con e-child\" data-id=\"9bc7dbf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1e8c5f9 e-con-full e-flex e-con e-child\" data-id=\"1e8c5f9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c47f21 elementor-widget elementor-widget-text-editor\" data-id=\"7c47f21\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\">Three fiberglass stripes? That&#8217;s a 4-layer board. Five fiberglass stripes? 6-layer. Simple.<\/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>\n\t\t<div class=\"elementor-element elementor-element-d5c7c01 e-con-full e-flex e-con e-child\" data-id=\"d5c7c01\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e8a12b9 e-con-full e-flex e-con e-child\" data-id=\"e8a12b9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0584b82 elementor-widget elementor-widget-text-editor\" data-id=\"0584b82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\">The only catch: Some manufacturers add a thin copper plating layer on the edge that isn&#8217;t part of the actual circuit. To avoid this mistake, look for the distinct glass weave pattern in the dark layers. Each genuine fiberglass layer will show that woven texture.<\/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>\n\t\t<div class=\"elementor-element elementor-element-d5d94bf e-con-full e-flex e-con e-child\" data-id=\"d5d94bf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4a3a7f5 e-con-full e-flex e-con e-child\" data-id=\"4a3a7f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7fcf0a0 elementor-widget elementor-widget-text-editor\" data-id=\"7fcf0a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><span style=\"color: #800000;\"><strong>Analyze the Vias (2 Minutes, 90% Accurate)<\/strong><\/span><\/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>\n\t\t<div class=\"elementor-element elementor-element-407a567 e-con-full e-flex e-con e-child\" data-id=\"407a567\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7bfad3c e-con-full e-flex e-con e-child\" data-id=\"7bfad3c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9855ad elementor-widget elementor-widget-text-editor\" data-id=\"d9855ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\">Vias are the tiny holes that connect different layers. Their type tells you everything about the minimum layer count.<\/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>\n\t\t<div class=\"elementor-element elementor-element-2a59fb4 e-con-full e-flex e-con e-child\" data-id=\"2a59fb4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-f43f651 e-con-full e-flex e-con e-child\" data-id=\"f43f651\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d046220 elementor-widget elementor-widget-text-editor\" data-id=\"d046220\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><ul><li>If all vias go all the way through the board and have identical pads on both sides: Almost certainly 2-layer<\/li><li>If you see blind vias (start on one surface but don&#8217;t go all the way through): Minimum 4 layers<\/li><li>If you see buried vias (completely hidden inside the board, no surface pads): Minimum 6 layers<\/li><\/ul><\/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>\n\t\t<div class=\"elementor-element elementor-element-e0b0cd5 e-con-full e-flex e-con e-child\" data-id=\"e0b0cd5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-f621537 e-con-full e-flex e-con e-child\" data-id=\"f621537\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-869ca55 elementor-widget elementor-widget-text-editor\" data-id=\"869ca55\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p>That&#8217;s a hard rule. No exceptions. If you find even one buried via, you can stop looking\u2014it&#8217;s at least 6 layers.<\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-ec01da2 e-con-full e-flex e-con e-child\" data-id=\"ec01da2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e525cb2 e-con-full e-flex e-con e-child\" data-id=\"e525cb2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e38a8db elementor-widget elementor-widget-text-editor\" data-id=\"e38a8db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p><span style=\"color: #800000;\"><strong>Look for Manufacturer Markings (30 Seconds, 100% Accurate)<\/strong><\/span><\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-dae002f e-con-full e-flex e-con e-child\" data-id=\"dae002f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-70c8186 e-con-full e-flex e-con e-child\" data-id=\"70c8186\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fff9692 elementor-widget elementor-widget-text-editor\" data-id=\"fff9692\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p>Most reputable factories will print the layer count somewhere on the board. It&#8217;s usually in a corner, under a component, or on the silkscreen near the part number.<\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-72be220 e-con-full e-flex e-con e-child\" data-id=\"72be220\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b4e506d e-con-full e-flex e-con e-child\" data-id=\"b4e506d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5582dea elementor-widget elementor-widget-text-editor\" data-id=\"5582dea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p>Common markings include &#8220;4L&#8221;, &#8220;6L&#8221;, or &#8220;8 Layer&#8221;. If you find this, you&#8217;re done. No need to do anything else. I still see engineers ignore these markings and waste time with other methods. Don&#8217;t be that person.<\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-b1763c5 e-con-full e-flex e-con e-child\" data-id=\"b1763c5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-facc443 e-con-full e-flex e-con e-child\" data-id=\"facc443\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9fe6496 elementor-widget elementor-widget-text-editor\" data-id=\"9fe6496\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p><span style=\"color: #800000;\"><strong>Use a Multimeter (10 Minutes, 95% Accurate)<\/strong><\/span><\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-e13b629 e-con-full e-flex e-con e-child\" data-id=\"e13b629\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e05e627 e-con-full e-flex e-con e-child\" data-id=\"e05e627\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-96dab24 elementor-widget elementor-widget-text-editor\" data-id=\"96dab24\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p>For the skeptics out there, grab a multimeter set to continuity mode. Touch one probe to a ground pad on the top layer. Now find another ground pad that&#8217;s isolated on the surface.<\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-39dda77 e-con-full e-flex e-con e-child\" data-id=\"39dda77\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-72e480c e-con-full e-flex e-con e-child\" data-id=\"72e480c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-239563c elementor-widget elementor-widget-text-editor\" data-id=\"239563c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p>If they beep, that means they&#8217;re connected through an internal ground plane. Congratulations, you have at least 4 layers.<\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-509001a e-con-full e-flex e-con e-child\" data-id=\"509001a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b349c1d e-con-full e-flex e-con e-child\" data-id=\"b349c1d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cba9d2f elementor-widget elementor-widget-text-editor\" data-id=\"cba9d2f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p>This method works especially well for older boards where the edge has been sanded down or the markings have worn off.<\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-6e8eb7e e-con-full e-flex e-con e-child\" data-id=\"6e8eb7e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-43066c6 e-con-full e-flex e-con e-child\" data-id=\"43066c6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c8de061 elementor-widget elementor-widget-text-editor\" data-id=\"c8de061\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><p><span style=\"color: #800000;\"><strong>The Nuclear Option: Cut a Tiny Corner (15 Minutes, 100% Accurate)<\/strong><\/span><\/p><\/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>\n\t\t<div class=\"elementor-element elementor-element-796f7cf e-con-full e-flex e-con e-child\" data-id=\"796f7cf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-73ac2cf e-con-full e-flex e-con e-child\" data-id=\"73ac2cf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed938de elementor-widget elementor-widget-text-editor\" data-id=\"ed938de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div>When everything else fails, cut the board. But before you grab a hacksaw and destroy the whole thing, know this: You only need a 5mm x 5mm corner.<\/div><div>\u00a0<\/div><div>Use a Dremel with a diamond cutting wheel to snip off the smallest possible corner. Sand the edge smooth with fine-grit sandpaper. Now you can count the layers perfectly.<\/div><div>\u00a0<\/div><div>I keep a tiny Dremel in my laptop bag just for this. It&#8217;s saved me more mistakes than I can count.<\/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>\n\t\t<div class=\"elementor-element elementor-element-af17df4 e-con-full e-flex e-con e-child\" data-id=\"af17df4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e674182 e-con-full e-flex e-con e-child\" data-id=\"e674182\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed304b6 elementor-widget elementor-widget-heading\" data-id=\"ed304b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Method Comparison Table<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d5d7f90 e-con-full e-flex e-con e-child\" data-id=\"d5d7f90\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8050a8 elementor-widget elementor-widget-shortcode\" data-id=\"d8050a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<div class=\"wpdt-c row wpDataTableContainerSimpleTable wpDataTables wpDataTablesWrapper\n\"\n    >\n        <table id=\"wpdtSimpleTable-56\"\n           style=\"border-collapse:collapse;\n                   border-spacing:0px;\"\n           class=\"wpdtSimpleTable wpDataTable\"\n           data-column=\"6\"\n           data-rows=\"6\"\n           data-wpID=\"56\"\n           data-responsive=\"0\"\n           data-has-header=\"1\">\n\n                    <thead>        <tr class=\"wpdt-cell-row \" >\n                                <th class=\"wpdt-cell wpdt-align-left wpdt-bold\"\n                                            data-cell-id=\"A1\"\n                    data-col-index=\"0\"\n                    data-row-index=\"0\"\n                    style=\" width:16.666666666667%;                    padding:10px;\n                    \"\n                    >\n                                        Method                    <\/th>\n                                                <th class=\"wpdt-cell wpdt-align-left wpdt-bold\"\n                                            data-cell-id=\"B1\"\n                    data-col-index=\"1\"\n                    data-row-index=\"0\"\n                    style=\" width:16.666666666667%;                    padding:10px;\n                    \"\n                    >\n                                        Accuracy                    <\/th>\n                                                <th class=\"wpdt-cell wpdt-align-left wpdt-bold\"\n                                            data-cell-id=\"C1\"\n                    data-col-index=\"2\"\n                    data-row-index=\"0\"\n                    style=\" width:16.666666666667%;                    padding:10px;\n                    \"\n                    >\n                                        Destructive                    <\/th>\n                                                <th class=\"wpdt-cell wpdt-align-left wpdt-bold\"\n                                            data-cell-id=\"D1\"\n                    data-col-index=\"3\"\n                    data-row-index=\"0\"\n                    style=\" width:16.666666666667%;                    padding:10px;\n                    \"\n                    >\n                                        Time Required                    <\/th>\n                                                <th class=\"wpdt-cell wpdt-align-left wpdt-bold\"\n                                            data-cell-id=\"E1\"\n                    data-col-index=\"4\"\n                    data-row-index=\"0\"\n                    style=\" width:16.666666666667%;                    padding:10px;\n                    \"\n                    >\n                                        Skill Level                    <\/th>\n                                                <th class=\"wpdt-cell wpdt-align-left wpdt-bold\"\n                                            data-cell-id=\"F1\"\n                    data-col-index=\"5\"\n                    data-row-index=\"0\"\n                    style=\" width:16.666666666667%;                    padding:10px;\n                    \"\n                    >\n                                        Best Use Case                    <\/th>\n                                        <\/tr>\n                    <tbody>        <tr class=\"wpdt-cell-row \" >\n                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"A2\"\n                    data-col-index=\"0\"\n                    data-row-index=\"1\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Edge Cross-Section                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"B2\"\n                    data-col-index=\"1\"\n                    data-row-index=\"1\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        85%                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"C2\"\n                    data-col-index=\"2\"\n                    data-row-index=\"1\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        No                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"D2\"\n                    data-col-index=\"3\"\n                    data-row-index=\"1\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        10 seconds                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"E2\"\n                    data-col-index=\"4\"\n                    data-row-index=\"1\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Beginner                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"F2\"\n                    data-col-index=\"5\"\n                    data-row-index=\"1\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Quick initial assessment                    <\/td>\n                                        <\/tr>\n                            <tr class=\"wpdt-cell-row \" >\n                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"A3\"\n                    data-col-index=\"0\"\n                    data-row-index=\"2\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Via Inspection                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"B3\"\n                    data-col-index=\"1\"\n                    data-row-index=\"2\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        90%                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"C3\"\n                    data-col-index=\"2\"\n                    data-row-index=\"2\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        No                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"D3\"\n                    data-col-index=\"3\"\n                    data-row-index=\"2\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        2 minutes                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"E3\"\n                    data-col-index=\"4\"\n                    data-row-index=\"2\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Intermediate                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"F3\"\n                    data-col-index=\"5\"\n                    data-row-index=\"2\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Boards with blind\/buried vias                    <\/td>\n                                        <\/tr>\n                            <tr class=\"wpdt-cell-row \" >\n                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"A4\"\n                    data-col-index=\"0\"\n                    data-row-index=\"3\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Manufacturer Markings                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"B4\"\n                    data-col-index=\"1\"\n                    data-row-index=\"3\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        100%                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"C4\"\n                    data-col-index=\"2\"\n                    data-row-index=\"3\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        No                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"D4\"\n                    data-col-index=\"3\"\n                    data-row-index=\"3\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        30 seconds                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"E4\"\n                    data-col-index=\"4\"\n                    data-row-index=\"3\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Beginner                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"F4\"\n                    data-col-index=\"5\"\n                    data-row-index=\"3\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        New, unmodified boards                    <\/td>\n                                        <\/tr>\n                            <tr class=\"wpdt-cell-row \" >\n                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"A5\"\n                    data-col-index=\"0\"\n                    data-row-index=\"4\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Multimeter Continuity                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"B5\"\n                    data-col-index=\"1\"\n                    data-row-index=\"4\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        95%                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"C5\"\n                    data-col-index=\"2\"\n                    data-row-index=\"4\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        No                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"D5\"\n                    data-col-index=\"3\"\n                    data-row-index=\"4\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        10 minutes                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"E5\"\n                    data-col-index=\"4\"\n                    data-row-index=\"4\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Intermediate                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"F5\"\n                    data-col-index=\"5\"\n                    data-row-index=\"4\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Older or worn boards                    <\/td>\n                                        <\/tr>\n                            <tr class=\"wpdt-cell-row \" >\n                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"A6\"\n                    data-col-index=\"0\"\n                    data-row-index=\"5\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Cut and Sand                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"B6\"\n                    data-col-index=\"1\"\n                    data-row-index=\"5\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        100%                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"C6\"\n                    data-col-index=\"2\"\n                    data-row-index=\"5\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Minimal                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"D6\"\n                    data-col-index=\"3\"\n                    data-row-index=\"5\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        15 minutes                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"E6\"\n                    data-col-index=\"4\"\n                    data-row-index=\"5\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Beginner                    <\/td>\n                                                <td class=\"wpdt-cell wpdt-align-left\"\n                                            data-cell-id=\"F6\"\n                    data-col-index=\"5\"\n                    data-row-index=\"5\"\n                    style=\"                    padding:10px;\n                    \"\n                    >\n                                        Critical production decisions                    <\/td>\n                                        <\/tr>\n                    <\/table>\n<\/div><style id='wpdt-custom-style-56'>\n<\/style>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c9b0912 e-con-full e-flex e-con e-child\" data-id=\"c9b0912\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-fd27eae e-con-full e-flex e-con e-child\" data-id=\"fd27eae\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-385245f elementor-widget elementor-widget-heading\" data-id=\"385245f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2026 Trend: Ultra-Thin High-Layer-Count Boards<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2622040 e-con-full e-flex e-con e-child\" data-id=\"2622040\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-97d5e23 e-con-full e-flex e-con e-child\" data-id=\"97d5e23\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a617f17 elementor-widget elementor-widget-text-editor\" data-id=\"a617f17\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\">Here&#8217;s what&#8217;s changing this year that you need to know. PCB material technology has advanced faster than most engineers realize.<\/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>\n\t\t<div class=\"elementor-element elementor-element-cbc76c8 e-con-full e-flex e-con e-child\" data-id=\"cbc76c8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-efd0b06 e-con-full e-flex e-con e-child\" data-id=\"efd0b06\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-36cdc59 elementor-widget elementor-widget-text-editor\" data-id=\"36cdc59\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\">In 2026, we&#8217;re seeing mass production of 8-layer boards that are only 0.6mm thick\u2014thinner than most credit cards. And 12-layer boards are becoming standard for AI edge devices and 6G modules, where signal integrity is non-negotiable.<\/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>\n\t\t<div class=\"elementor-element elementor-element-cbf2bb9 e-con-full e-flex e-con e-child\" data-id=\"cbf2bb9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6edf939 e-con-full e-flex e-con e-child\" data-id=\"6edf939\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-85df8a3 elementor-widget elementor-widget-text-editor\" data-id=\"85df8a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\">What this means for you: Any board thinner than 1.0mm that has blind or buried vias should be assumed to be 8 layers minimum. And if you&#8217;re designing a new board, make sure to read our guide on [<a href=\"https:\/\/jkrglo.com\/how-to-determine-pcb-dimensions\/\"><strong>How to Determine PCB Dimensions?<\/strong><\/a>] to ensure your layer count matches your size and performance requirements.<\/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>\n\t\t<div class=\"elementor-element elementor-element-1ddc046 e-con-full e-flex e-con e-child\" data-id=\"1ddc046\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6b5f11f e-con-full e-flex e-con e-child\" data-id=\"6b5f11f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-725f384 elementor-widget elementor-widget-heading\" data-id=\"725f384\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Real Questions, Real Answers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5378c8f e-con-full e-flex e-con e-child\" data-id=\"5378c8f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4986a0e e-con-full e-flex e-con e-child\" data-id=\"4986a0e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e45c6e elementor-widget elementor-widget-text-editor\" data-id=\"5e45c6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-R486f5CMedBo2ccaZjmcgnYhnmd\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-D4BBf2GkVdFkOGc0IepczSGdnPh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XCa0fHu0hdDCRHcHLbscFioInkf\"><strong>Q: Can I hold the PCB up to a bright light to count layers?<\/strong><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1c38e94 e-con-full e-flex e-con e-child\" data-id=\"1c38e94\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b25cbaf e-con-full e-flex e-con e-child\" data-id=\"b25cbaf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c6ebc15 elementor-widget elementor-widget-text-editor\" data-id=\"c6ebc15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-R486f5CMedBo2ccaZjmcgnYhnmd\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-D4BBf2GkVdFkOGc0IepczSGdnPh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XCa0fHu0hdDCRHcHLbscFioInkf\"><strong>A:<\/strong> No. Stop doing this. Modern FR-4 and high-speed materials block light almost completely. What you&#8217;re seeing are shadows from internal traces, not actual layers. I&#8217;ve been doing this for 10 years and I&#8217;ve never met anyone who can accurately count layers this way.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8ed17da e-con-full e-flex e-con e-child\" data-id=\"8ed17da\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-14a5ee5 e-con-full e-flex e-con e-child\" data-id=\"14a5ee5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f8d60ea elementor-widget elementor-widget-text-editor\" data-id=\"f8d60ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\" style=\"text-align: right;\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-R486f5CMedBo2ccaZjmcgnYhnmd\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-D4BBf2GkVdFkOGc0IepczSGdnPh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XCa0fHu0hdDCRHcHLbscFioInkf\" style=\"text-align: left;\"><strong>Q: Are there any apps or AI tools that can count layers from a photo?<\/strong><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8dd48c4 e-con-full e-flex e-con e-child\" data-id=\"8dd48c4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-387ff9d e-con-full e-flex e-con e-child\" data-id=\"387ff9d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a5ffb40 elementor-widget elementor-widget-text-editor\" data-id=\"a5ffb40\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-R486f5CMedBo2ccaZjmcgnYhnmd\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-D4BBf2GkVdFkOGc0IepczSGdnPh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XCa0fHu0hdDCRHcHLbscFioInkf\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YjdxflKVKdtelZcDWYEcazNDnbc\"><strong>A:<\/strong> I&#8217;ve tested every single one on the market. They&#8217;re all useless. They can tell the difference between 2-layer and 4-layer boards about 60% of the time, which is basically a coin flip. For anything higher than 4 layers, they&#8217;re completely wrong. Save your money.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1281d65 e-con-full e-flex e-con e-child\" data-id=\"1281d65\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-946ce32 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"946ce32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-708e2e3 e-con-full e-flex e-con e-child\" data-id=\"708e2e3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-452a208 e-con-full e-flex e-con e-child\" data-id=\"452a208\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0016545 elementor-widget elementor-widget-text-editor\" data-id=\"0016545\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-R486f5CMedBo2ccaZjmcgnYhnmd\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-D4BBf2GkVdFkOGc0IepczSGdnPh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XCa0fHu0hdDCRHcHLbscFioInkf\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YjdxflKVKdtelZcDWYEcazNDnbc\"><div dir=\"ltr\">If you have a board you can&#8217;t figure out, or if you&#8217;re trying to decide how many layers you need for your next project, send us your Gerber files or a clear photo of the board. We&#8217;ll give you an accurate layer count and a free quote for manufacturing. No sales pitches, no nonsense\u2014just straight answers from people who actually build boards for a living.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4a6d31c e-con-full e-flex e-con e-child\" data-id=\"4a6d31c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-5df0ea1 e-con-full e-flex e-con e-child\" data-id=\"5df0ea1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7dd8942 elementor-widget elementor-widget-heading\" data-id=\"7dd8942\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">About US<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b5dd9e1 e-con-full e-flex e-con e-child\" data-id=\"b5dd9e1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6d2aab8 e-con-full e-flex e-con e-child\" data-id=\"6d2aab8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72a5de8 elementor-widget elementor-widget-text-editor\" data-id=\"72a5de8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AX0efyGQXdVFtFcRvpnc2pLmnoB\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BT5kfhWgHdywXVcMVz8cJIr1nGg\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JXNMf5m9YdhPnjcHWBAcgeVpnjh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OgeMfov1VdTuRUc4j6dcRUSQneK\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-R486f5CMedBo2ccaZjmcgnYhnmd\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-D4BBf2GkVdFkOGc0IepczSGdnPh\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XCa0fHu0hdDCRHcHLbscFioInkf\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YjdxflKVKdtelZcDWYEcazNDnbc\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MoKEfKI4EdzEuPcCo3JcUGJMnac\"><div data-page-id=\"On0jfNld3d6I7ecMLyzcfgHXnYb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HKXTfaw8Sd5zbxcNUYIc3xO7ndd\">Founded in 2012, <a href=\"https:\/\/jkrglo.com\/about-us\/\"><strong>JKRGLO<\/strong><\/a> strives to build a one-stop platform for the electronic industry chain. By integrating PCB manufacturing, component procurement and PCB assembly services, we enable digital PCBA processing. With increasing investment in innovation and digital systems, we have achieved rapid growth and emerged as a leading PCB and PCBA manufacturer in the industry, capable of rapidly producing high-reliability and cost-effective products.<\/div><div>\u00a0<\/div><div class=\"ace-line ace-line old-record-id-HKXTfaw8Sd5zbxcNUYIc3xO7ndd\"><a href=\"https:\/\/jkrglo.com\/about-us\/\"><strong>About US<\/strong><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-47e9ae48 e-con-full e-flex e-con e-child\" data-id=\"47e9ae48\" data-element_type=\"container\" data-e-type=\"container\" 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class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/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__23b92067\" aria-expanded=\"true\" aria-label=\"Chiudi l&#039;indice\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2026,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[12],"tags":[],"class_list":["post-2021","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcbpcba"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>JKRGLO | How to determine how many layers a PCB has<\/title>\n<meta name=\"description\" content=\"Stop guessing PCB layer count! 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