{"id":35374,"date":"2026-09-05T16:15:56","date_gmt":"2026-09-05T08:15:56","guid":{"rendered":"https:\/\/www.bestpcbs.com\/blog\/?p=35374"},"modified":"2026-09-05T16:17:04","modified_gmt":"2026-09-05T08:17:04","slug":"pcb-edge-clearance-copper-components-routing-v-score","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/","title":{"rendered":"PCB Edge Clearance: Copper, Components, Routing, and V-Score"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#What_PCB_Edge_Clearance_Actually_Controls\" >What PCB Edge Clearance Actually Controls<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#Copper_and_Traces_Near_a_Routed_PCB_Edge\" >Copper and Traces Near a Routed PCB Edge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#Component-to-Board-Edge_Clearance\" >Component-to-Board-Edge Clearance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#Holes_Slots_and_Connectors_at_the_Edge\" >Holes, Slots, and Connectors at the Edge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#Routing_vs_V-Score_Edge_Keepouts\" >Routing vs V-Score Edge Keepouts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#Mouse_Bites_Breakaway_Tabs_and_Depanelization_Stress\" >Mouse Bites, Breakaway Tabs, and Depanelization Stress<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#Edge_Plating_and_Card_Fingers_Are_Intentional_Exceptions\" >Edge Plating and Card Fingers Are Intentional Exceptions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#High_Voltage_and_Harsh-Environment_Edge_Clearance\" >High Voltage and Harsh-Environment Edge Clearance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#Assembly_Tooling_Conveyors_and_Test_Access\" >Assembly Tooling, Conveyors, and Test Access<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#Board_Outline_Data_and_DFM_Communication\" >Board Outline Data and DFM Communication<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#PCB_Edge-Clearance_Checklist_Before_Release\" >PCB Edge-Clearance Checklist Before Release<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#What_to_Send_for_EBest_Circuit_Review_and_Quotation\" >What to Send for EBest Circuit Review and Quotation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-clearance-copper-components-routing-v-score\/#PCB_Edge_Clearance_FAQ\" >PCB Edge Clearance FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div><style>\n#post-35374 h1._title, #post-35374 .entry h2, #post-35374 .entry h3 { word-break: normal; overflow-wrap: anywhere; }\n.ebest-inline-cta{margin:2em 0;padding:24px;border-radius:14px;background:#eaf5fb;border-left:5px solid #1478a6}.ebest-inline-cta__title{margin:0 0 8px;font-size:1.25rem;font-weight:700;color:#17394a}.ebest-inline-cta__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}.ebest-inline-cta__button{flex:1 1 240px;min-width:0;max-width:100%;box-sizing:border-box;padding:12px 16px;border-radius:7px;background:#1478a6;color:#fff!important;text-align:center;text-decoration:none;font-weight:700}.ebest-final-cta{margin:2em 0 0;padding:26px;border-radius:14px;background:#123a4b;color:#fff}.ebest-final-cta a{color:#fff;font-weight:700}\n<\/style>\n<figure style=\"max-width:100%;margin:1.5em 0;overflow-x:hidden\"><img fetchpriority=\"high\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/09\/pcb-edge-clearance-dfm-review.jpg\" alt=\"Engineers reviewing PCB board-edge clearance on a production panel\" width=\"1672\" height=\"941\" loading=\"eager\" decoding=\"async\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0 auto\"><figcaption>PCB edge clearance must match the actual outline, separation process, enclosure and assembly method.<\/figcaption><\/figure>\n<p><strong>PCB edge clearance is the controlled distance between the finished board outline and copper, traces, components, holes, slots or other functional features.<\/strong> It protects those features from routing tolerance, V-score intrusion, tab removal, depanelization stress, enclosure interference and handling damage.<\/p>\n<p>There is no single safe distance for every board. The correct keepout depends on what is near the edge and how that edge will be manufactured. A routed contour, V-score line, mouse-bite tab, plated edge and card-edge connector each need different DFM logic.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_PCB_Edge_Clearance_Actually_Controls\"><\/span>What PCB Edge Clearance Actually Controls<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>An edge-clearance rule reserves manufacturing and assembly margin around the final board boundary.<\/strong> The CAD outline is nominal; the finished edge has routing, scoring or breakaway variation. Copper and components must remain functional at the worst allowed result.<\/p>\n<p>Separate rules by feature class. Copper-to-edge protects conductors; component-to-edge protects packages and solder joints; hole-to-edge protects mechanical strength; tooling clearance protects assembly access.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Copper_and_Traces_Near_a_Routed_PCB_Edge\"><\/span>Copper and Traces Near a Routed PCB Edge<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Routing removes material with a rotating tool whose path and diameter create a finite manufacturing envelope.<\/strong> Copper placed too close can be exposed, smeared, burred or cut. Inner-layer copper also matters even when it is invisible from the surface.<\/p>\n<ul>\n<li>Define the finished outline in one authoritative layer.<\/li>\n<li>Check copper on every signal, plane and mechanical layer.<\/li>\n<li>Include route tolerance and any bevel or chamfer.<\/li>\n<li>Review corners and internal cutouts separately.<\/li>\n<li>Flag intentional exposed copper rather than relying on proximity.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Component-to-Board-Edge_Clearance\"><\/span>Component-to-Board-Edge Clearance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>A component needs space for placement, soldering, inspection, handling and the final enclosure\u2014not just a footprint that stays inside the outline.<\/strong> Tall parts, connectors, switches and overhanging packages deserve special checks.<\/p>\n<p>Depanelization can flex the board beside an edge. Solder joints and brittle components placed in that stress zone may crack even if assembly initially passes. Consider package orientation, support tooling and the direction in which tabs or scored rails are separated.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Holes_Slots_and_Connectors_at_the_Edge\"><\/span>Holes, Slots, and Connectors at the Edge<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Mounting holes and slots need enough remaining material to carry their mechanical load.<\/strong> A nominal center distance is not enough; review finished hole\/slot size, positional tolerance, edge-process tolerance and the mating hardware.<\/p>\n<p>Edge connectors may intentionally approach or cross the outline. Their fingers, bevel, mask opening and mating envelope should be explicitly defined. Ordinary keepout rules should not silently modify an intentional card-edge feature.<\/p>\n<div class=\"ebest-inline-cta\">\n<p class=\"ebest-inline-cta__title\">Not sure which edge keepout applies to your panel?<\/p>\n<p>Send the Gerber\/ODB++, outline, panel method, component drawing and enclosure constraints. EBest Circuit can review routed, scored and tabbed edges before production.<\/p>\n<div class=\"ebest-inline-cta__actions\"><a class=\"ebest-inline-cta__button\" href=\"https:\/\/www.bestpcbs.com\/pcb-quote\/\">Request an Edge-Clearance DFM Review<\/a><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Routing_vs_V-Score_Edge_Keepouts\"><\/span>Routing vs V-Score Edge Keepouts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div style=\"overflow-x:auto\">\n<table>\n<tbody>\n<tr>\n<td><strong>Edge method<\/strong><\/td>\n<td><strong>Main risk<\/strong><\/td>\n<td><strong>Review focus<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Routed contour<\/td>\n<td>Tool-path and profile tolerance<\/td>\n<td>Copper, holes, cutouts, corner radii<\/td>\n<\/tr>\n<tr>\n<td>V-score<\/td>\n<td>Blade path, residual web and separation stress<\/td>\n<td>Components\/copper on both board faces<\/td>\n<\/tr>\n<tr>\n<td>Mouse-bite tab<\/td>\n<td>Breakout nibs and local bending<\/td>\n<td>Tab placement, perforations and nearby parts<\/td>\n<\/tr>\n<tr>\n<td>Solid breakaway tab<\/td>\n<td>Manual\/tool separation load<\/td>\n<td>Stress direction and finishing operation<\/td>\n<\/tr>\n<tr>\n<td>Plated edge<\/td>\n<td>Intentional copper exposure\/process continuity<\/td>\n<td>Layer connection, tabs and keepout exceptions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>V-scoring normally follows straight lines and affects both faces. Routing supports complex contours but needs tool access and radius allowances. For a broader comparison, see <a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-v-grooves-vs-tab-routing\/\">V-grooves vs tab routing<\/a>.<\/p>\n<p>Do not measure every keepout from an idealized centerline. For routing, reference the finished profile and its allowed tolerance. For scoring, account for the actual cut path and residual web. At mixed edges, divide the outline into process zones so the CAD rules reflect the local separation method rather than applying one global value.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mouse_Bites_Breakaway_Tabs_and_Depanelization_Stress\"><\/span>Mouse Bites, Breakaway Tabs, and Depanelization Stress<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Tabs are temporary panel structures, but their removal can permanently damage nearby circuitry.<\/strong> Keep fragile components, small solder joints, ceramic packages and critical traces away from high-strain locations when possible.<\/p>\n<p>Mouse-bite perforations leave small edge remnants that may require finishing. Tab position must also allow depaneling tools and avoid blocking connectors or enclosure surfaces. Review the separated board, not only the intact panel.<\/p>\n<figure style=\"max-width:100%;margin:1.5em 0;overflow-x:hidden\"><img src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/09\/pcb-edge-processing-keepout-comparison.jpg\" alt=\"PCB examples with routed scored tabbed and shaped board edges\" width=\"1672\" height=\"941\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;max-width:100%;height:auto;margin:0 auto\"><figcaption>Edge-processing method changes the mechanical and copper keepout needed around the finished board.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Edge_Plating_and_Card_Fingers_Are_Intentional_Exceptions\"><\/span>Edge Plating and Card Fingers Are Intentional Exceptions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Edge plating deliberately brings copper to the finished contour, so standard copper keepouts cannot be applied blindly.<\/strong> The fabrication data should define which layers connect, where plating starts\/stops and how panel tabs avoid interrupting the plated region.<\/p>\n<p>Review grounding, shielding and connector intent as well as manufacturability. Our <a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/09\/pcb-edge-plating-design-dfm-fab-notes\/\">PCB edge-plating design guide<\/a> covers the handoff in detail.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"High_Voltage_and_Harsh-Environment_Edge_Clearance\"><\/span>High Voltage and Harsh-Environment Edge Clearance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Electrical clearance to a board edge can be more demanding than basic routing capability.<\/strong> Pollution, moisture, coating strategy, altitude, contamination and enclosure geometry can affect creepage and clearance decisions.<\/p>\n<p>Do not use a generic fabrication keepout as proof of electrical safety. Identify the working voltage, environment, insulation concept and applicable product requirements, then coordinate layout and manufacturing rules.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Assembly_Tooling_Conveyors_and_Test_Access\"><\/span>Assembly Tooling, Conveyors, and Test Access<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Assembly may need edge rails, clamps, conveyor contact, selective-solder fixtures or depaneling support.<\/strong> Components or solder joints inside those zones can collide with tooling or prevent stable support.<\/p>\n<p>Share the panel and assembly concept early. A bare-board outline may be manufacturable while the assembled panel is impossible to transport or fixture. Test points and programming connectors near an edge also need probe and cable access.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Board_Outline_Data_and_DFM_Communication\"><\/span>Board Outline Data and DFM Communication<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>A clean, closed and uniquely identified outline prevents many edge-clearance errors.<\/strong> Remove duplicate contours, ambiguous construction lines and conflicting dimensions. Define internal cutouts, slots, radii, bevels and controlled edge features.<\/p>\n<p>The panel drawing should show rails, tabs, scores, tooling holes, fiducials and separation notes. If the fabricator may change tab positions, define which component\/copper zones are protected and require approval for functional changes.<\/p>\n<p>Compare the bare-board outline with the mechanical enclosure model and the assembled-component body outlines. A connector can satisfy copper keepout while its housing, latch or cable still collides with the case. Likewise, a mounting boss or gasket can overlap a component courtyard even when the PCB profile itself is correct.<\/p>\n<div class=\"ebest-inline-cta\">\n<p class=\"ebest-inline-cta__title\">Need routing, scoring, and assembly rules reviewed together?<\/p>\n<p>Provide the board outline, panel drawing, BOM\/CPL, enclosure and separation method. We can flag conflicts before tooling is released.<\/p>\n<div class=\"ebest-inline-cta__actions\"><a class=\"ebest-inline-cta__button\" href=\"https:\/\/www.bestpcbs.com\/pcb-quote\/\">Send the PCB Data Package<\/a><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"PCB_Edge-Clearance_Checklist_Before_Release\"><\/span>PCB Edge-Clearance Checklist Before Release<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>Confirm the authoritative finished-board outline.<\/li>\n<li>Identify routing, scoring, tabs and intentional plated edges.<\/li>\n<li>Check copper and planes on every layer.<\/li>\n<li>Review components by body, courtyard and assembly access.<\/li>\n<li>Check holes\/slots against finished geometry and loads.<\/li>\n<li>Protect brittle parts from depanelization stress.<\/li>\n<li>Include enclosure, connector and keepout envelopes.<\/li>\n<li>Separate electrical-safety spacing from fabrication capability.<\/li>\n<li>Review the assembled and separated board.<\/li>\n<li>Freeze the approved panel revision and deviation process.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"What_to_Send_for_EBest_Circuit_Review_and_Quotation\"><\/span>What to Send for EBest Circuit Review and Quotation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Send Gerber or ODB++, drill\/rout data, fabrication and panel drawings, stackup, BOM, CPL, enclosure constraints, edge-connector details, quantities, assembly requirements, test needs and target delivery.<\/strong><\/p>\n<p>EBest Circuit can review file consistency and edge-process conflicts before quotation. Specific clearance capability must be confirmed against the selected construction, panel method and approved production route.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PCB_Edge_Clearance_FAQ\"><\/span>PCB Edge Clearance FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3>What is PCB edge clearance?<\/h3>\n<p>It is the reserved distance between the finished board boundary and functional copper, components, holes or other features.<\/p>\n<h3>Is component clearance the same as copper clearance?<\/h3>\n<p>No. Components add assembly, tooling, enclosure and stress considerations beyond copper fabrication risk.<\/p>\n<h3>Does V-scoring need more keepout than routing?<\/h3>\n<p>It often needs a different keepout because blade travel and separation stress affect both faces; use the supplier&#8217;s process-specific rule.<\/p>\n<h3>Can copper touch the PCB edge?<\/h3>\n<p>Only when intentionally designed and approved, such as edge plating or card fingers.<\/p>\n<h3>Why keep ceramic components away from breakaway tabs?<\/h3>\n<p>Local bending during separation can stress brittle bodies and solder joints.<\/p>\n<h3>Do internal-layer planes need edge checks?<\/h3>\n<p>Yes. Hidden copper can be exposed by routing or violate electrical\/mechanical requirements.<\/p>\n<h3>How should mounting holes near an edge be reviewed?<\/h3>\n<p>Use finished hole size, position, remaining material, load and mating hardware\u2014not center distance alone.<\/p>\n<h3>Does the enclosure define component-to-edge clearance?<\/h3>\n<p>It contributes a mechanical envelope, but manufacturing and assembly access must also be satisfied.<\/p>\n<h3>What outline errors commonly cause problems?<\/h3>\n<p>Duplicate\/open contours, conflicting layers, missing cutouts and ambiguous score or route lines.<\/p>\n<h3>What files are needed for edge-clearance DFM?<\/h3>\n<p>Provide board\/panel data, outline and rout files, BOM\/CPL, enclosure and connector information, quantities and assembly method.<\/p>\n<div class=\"ebest-final-cta\">\n<p><strong>Protect the edge before panelization turns it into a production constraint.<\/strong><\/p>\n<p>Send your PCB files, panel method, component data and target delivery.<\/p>\n<div class=\"ebest-inline-cta__actions\"><a class=\"ebest-inline-cta__button\" href=\"mailto:sales@bestpcbs.com\">Email the Engineering Team<\/a><a class=\"ebest-inline-cta__button\" href=\"https:\/\/www.bestpcbs.com\/pcb-quote\/\">Request a PCB Quote<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Plan PCB edge clearance for copper, traces, components, holes, routing, V-scoring and breakaway tabs, with practical DFM and assembly checks before release.<\/p>\n","protected":false},"author":32827,"featured_media":35372,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[174],"tags":[97,8210,1441],"class_list":["post-35374","post","type-post","status-publish","format-standard","hentry","category-bestpcb","tag-pcb-assembly","tag-pcb-design-guidelines","tag-pcb-panelization"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Plan PCB edge clearance for copper, traces, components, holes, routing, V-scoring and breakaway tabs, with practical DFM and assembly checks before release.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"mingling, gong\"\/>\n\t<link rel=\"canonical\" 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