{"id":4725,"date":"2025-12-04T08:33:00","date_gmt":"2025-12-04T00:33:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=4725"},"modified":"2025-12-02T17:08:52","modified_gmt":"2025-12-02T09:08:52","slug":"how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/","title":{"rendered":"S\u00e5dan l\u00f8ser du problemer med overlapning mellem loddemaske- og silketryklag i PCB-design"},"content":{"rendered":"<p>I TOPFAST's<a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/comprehensive-guide-to-pcb-design\/\"> PCB-design<\/a> gennemgang og produktionserfaring, <strong>overlapning mellem loddemaske og silketrykslag<\/strong> er et af de almindelige designproblemer, der kan f\u00f8re til loddefejl og p\u00e5virke produktets p\u00e5lidelighed. Korrekt h\u00e5ndtering af dette problem er n\u00f8glen til at sikre PCB-fremstilling og endelig kvalitet.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Indholdsfortegnelse<\/p>\n<span class=\"ez-toc-title-toggle\"><\/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.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#Core_Risks_Posed_by_Overlap_Issues\" >Centrale risici ved overlappende problemer<\/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.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#Systematic_Solutions_Recommended_by_TOPFAST\" >Systematiske l\u00f8sninger anbefalet af TOPFAST<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#I_Preventive_Rule_Setting\" >I. Forebyggende regelindstilling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#II_Design_Verification_Manual_Refinement\" >II. Verificering af design og forbedring af manualen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#III_Manufacturing_Collaboration_Recommendations_with_TOPFAST\" >III. Anbefalinger til produktionssamarbejde med TOPFAST<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#TOPFAST_Process_Capability_Reference_Table\" >Referencetabel for TOPFAST-proceskapacitet<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#Conclusion\" >Konklusion<\/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.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#Common_Core_Issues_in_PCB_Solder_Mask_Design\" >F\u00e6lles kerneproblemer i PCB-loddemaskedesign<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Core_Risks_Posed_by_Overlap_Issues\"><\/span>Centrale risici ved overlappende problemer<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>Risici ved loddekvalitet<\/strong><br>Silketrykfarve er isolerende. Hvis det d\u00e6kker loddepuderne, forhindrer det direkte en effektiv binding mellem loddet og kobberlaget. Dette kan f\u00f8re til <strong>kolde loddefuger, utilstr\u00e6kkelig styrke i loddefugen eller ufuldst\u00e6ndig lodning<\/strong>hvilket potentielt kan for\u00e5rsage fejl under vibrationer eller cykliske tests ved h\u00f8j\/lav temperatur.<\/li>\n\n<li><strong>Konflikter i fremstillingsprocessen<\/strong><br>I PCB-produktionsprocessen har loddemaskelaget normalt procesprioritet. Silketrykfarve i overlappende omr\u00e5der kan blive \u00e6tset eller delvist fjernet, hvilket resulterer i <strong>ufuldst\u00e6ndige, sl\u00f8rede eller forkert justerede tegn<\/strong>Det p\u00e5virker monteringsn\u00f8jagtigheden og den efterf\u00f8lgende reparation og fejlfinding.<\/li>\n\n<li><strong>Reduktion i produktprofessionalisme<\/strong><br>Rodet, overlappende silketryk reducerer ikke kun l\u00e6sbarheden af printkortet, men afspejler ogs\u00e5 tilsyn i designfasen, hvilket p\u00e5virker produktets overordnede image.<\/li><\/ol><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/PCB-Solder-Mask-Design-4-1.jpg\" alt=\"Design af PCB-loddemasker\" class=\"wp-image-4727\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/PCB-Solder-Mask-Design-4-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/PCB-Solder-Mask-Design-4-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/PCB-Solder-Mask-Design-4-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Systematic_Solutions_Recommended_by_TOPFAST\"><\/span>Systematiske l\u00f8sninger anbefalet af TOPFAST<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"I_Preventive_Rule_Setting\"><\/span>I. Forebyggende regelindstilling<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Indstillinger for n\u00f8gleregler<\/strong>:<br>I EDA-v\u00e6rkt\u00f8jer som Altium Designer eller Allegro er det vigtigt at etablere <strong>\"Afstand mellem silke og loddemaske\"<\/strong> Regel. TOPFAST anbefaler:<ul class=\"wp-block-list\"><li><strong>Generelle designs<\/strong>: Minimum frigang \u2265 <strong>0,15 mm (6 mil)<\/strong><\/li>\n\n<li><strong>Design med h\u00f8j densitet<\/strong>: Kan forhandles ned til <strong>0,1 mm (4 mil)<\/strong>, men proceskapacitet skal bekr\u00e6ftes p\u00e5 forh\u00e5nd<\/li>\n\n<li><strong>H\u00f8jfrekvente\/h\u00f8jsp\u00e6ndingskort<\/strong>: Anbefal \u2265 <strong>0,2 mm (8 mil)<\/strong> for at sikre sikker afstand<\/li><\/ul><\/li>\n\n<li><strong>Eksempel p\u00e5 implementering af regler (Altium Designer)<\/strong>:<ol class=\"wp-block-list\"><li><code>Design<\/code> \u2192 <code>Regler<\/code> \u2192 <code>Produktion<\/code> \u2192 <code>SilkToSolderMaskClearance<\/code><\/li>\n\n<li>Indstil matchende objekter (f\u00f8rste objekt: silkelag; andet objekt: loddemaskelag)<\/li>\n\n<li>K\u00f8r en omfattende <strong><a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/pcb-design-drc-inspection-complete-guide\/\">Kontrol af designregler<\/a> (DRC)<\/strong> efter at have anvendt reglen<\/li><\/ol><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"II_Design_Verification_Manual_Refinement\"><\/span>II. Verificering af design og forbedring af manualen<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Visuel inspektion af lagstakken<\/strong>:<br>I PCB-editoren skal du kun vise <strong>silketrykslag + loddemaske\/pad-lag<\/strong> og brug farvekontrast til visuelt at identificere overlappende omr\u00e5der.<\/li>\n\n<li><strong>DRC-fejlbehandling i lukket kredsl\u00f8b<\/strong>:<br>Gennemg\u00e5 og juster manuelt hvert overlappende punkt, der er markeret af DRC, herunder:<ul class=\"wp-block-list\"><li><strong>Bev\u00e6ger sig\/roterer<\/strong> tegnpositioner<\/li>\n\n<li><strong>Forenkling<\/strong> Ikke-v\u00e6sentlige markeringer (behold kun betegnelser, polaritet og gr\u00e6nsefladem\u00e6rkater)<\/li>\n\n<li><strong>Standardisering<\/strong> tegnretning og skriftst\u00f8rrelse (anbefalet linjebredde\/-h\u00f8jde p\u00e5 5\/30 mil)<\/li><\/ul><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"III_Manufacturing_Collaboration_Recommendations_with_TOPFAST\"><\/span>III. Anbefalinger til produktionssamarbejde med TOPFAST<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Bekr\u00e6ft procesdetaljer p\u00e5 forh\u00e5nd<\/strong><br>F\u00f8r du indsender kortfiler, skal du give designfiler til TOPFAST til en <strong>Gennemgang af design for fremstillbarhed (DFM)<\/strong>. Vi vil give feedback p\u00e5:<ul class=\"wp-block-list\"><li><strong>Optimale parametre for afstand mellem silketryk og loddemaske<\/strong> til dit design<\/li>\n\n<li><strong>Forslag til justering af processen<\/strong> for specifikke materialer\/overfladebehandlinger<\/li>\n\n<li><strong>L\u00f8sninger til optimering af silketryk<\/strong> til omr\u00e5der med h\u00f8j t\u00e6thed<\/li><\/ul><\/li>\n\n<li><strong>Udnyt princippet om \"loddemaskens prioritet\"<\/strong><br>Under produktionen overholder TOPFAST n\u00f8je princippet om <strong>\"N\u00f8jagtighed ved \u00e5bning af loddemaske prioriteres over silketrykintegritet\"<\/strong> for at sikre, at puderne forbliver helt rene. Det anbefales at behandle <strong>aktiv silketryk undg\u00e5else af puder<\/strong> som en jernregel under design.<\/li>\n\n<li><strong>Standardiseret design-output<\/strong><br>Det anbefales at levere filer i <strong>IPC-2581<\/strong> or <strong>Gerber X2-format med beskrivelser af lagegenskaber<\/strong> for at reducere fortolkningsfejl i produktionsleddet.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"TOPFAST_Process_Capability_Reference_Table\"><\/span>Referencetabel for TOPFAST-proceskapacitet<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Designtype<\/th><th>Anbefalet afstand mellem silke og loddemaske<\/th><th>TOPFAST processt\u00f8tte<\/th><th>Bem\u00e6rkninger<\/th><\/tr><\/thead><tbody><tr><td>Generel forbrugerelektronik<\/td><td>\u22650,15 mm (6 mil)<\/td><td>Standard support<\/td><td>Kompatibel med de fleste kommercielle applikationer<\/td><\/tr><tr><td>Sammenkobling med h\u00f8j densitet (HDI)<\/td><td>\u22650,1 mm (4 mil)<\/td><td>Kr\u00e6ver forudg\u00e5ende gennemgang<\/td><td>Kombineret med LDI-laserbilleddannelsesprocessen<\/td><\/tr><tr><td>Automotive\/Industrial Grade<\/td><td>\u22650,2 mm (8 mil)<\/td><td>Prioriteret forsikring<\/td><td>Opfylder h\u00f8jere krav til p\u00e5lidelighed<\/td><\/tr><tr><td><a href=\"https:\/\/www.topfastpcb.com\/da\/products\/category\/flexible-pcb\/\">Fleksibelt printkort <\/a>(FPC)<\/td><td>\u22650,15 mm (6 mil)<\/td><td>S\u00e6rlig tilpasning af bl\u00e6k<\/td><td>Forhindrer revnedannelse i silketryk i b\u00f8jede omr\u00e5der<\/td><\/tr><\/tbody><\/table><\/figure><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/PCB-Solder-Mask-Design-5.jpg\" alt=\"Design af PCB-loddemasker\" class=\"wp-image-4729\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/PCB-Solder-Mask-Design-5.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/PCB-Solder-Mask-Design-5-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/PCB-Solder-Mask-Design-5-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Konklusion<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Hos TOPFAST tror vi p\u00e5, at <strong>\"Designet bestemmer produktionsloftet.\"<\/strong> Hvad ang\u00e5r problemet med overlapning mellem loddemasken og silketrykslagene, anbefaler vi:<\/p><ol class=\"wp-block-list\"><li><strong>Design side<\/strong>: Streng h\u00e5ndh\u00e6velse af godkendelsesregler og brug af DRC-v\u00e6rkt\u00f8jer til at eliminere risici ved designkilden.<\/li>\n\n<li><strong>Anmeldelse af side<\/strong>: Brug TOPFAST's <strong>gratis online DFM-inspektionsv\u00e6rkt\u00f8j<\/strong> eller indsende filer til ekspertgennemgang for at f\u00e5 skr\u00e6ddersyede anbefalinger.<\/li>\n\n<li><strong>Produktionssiden<\/strong>: Angiv tydeligt krav til frih\u00f8jde for kritiske omr\u00e5der, og v\u00e6lg designparametre, der passer til TOPFASTs proceskapacitet.<\/li><\/ol><p>Gennem den dobbelte sikkerhed for <strong>samarbejde om designforebyggelse og produktion<\/strong>TOPFAST hj\u00e6lper dig med at eliminere \"mindre problemer\" som overlapning af silketryk, hvilket forbedrer printpladernes f\u00f8rstegangsudbytte og slutprodukternes p\u00e5lidelighed.<\/p><p><strong>Har du brug for TOPFAST til at give skr\u00e6ddersyede anbefalinger om regler for silketryk til dit design?<\/strong><br>Du er velkommen til at uploade dine designfiler eller kontakte os for en <strong>gratis DFM-analyserapport<\/strong>. Vi leverer optimeringsl\u00f8sninger baseret p\u00e5 den faktiske produktionskapacitet.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Core_Issues_in_PCB_Solder_Mask_Design\"><\/span>F\u00e6lles kerneproblemer i PCB-loddemaskedesign<span class=\"ez-toc-section-end\"><\/span><\/h2><p>I printkortproduktion har design af loddemasker direkte indflydelse p\u00e5 produktets p\u00e5lidelighed og udbytte. Baseret p\u00e5 produktionserfaring opsummerer TOPFAST de fem mest almindelige problemer med design af loddemasker ud over overlapning af silketryk sammen med l\u00f8sninger:<\/p><div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1764664252554\"><strong class=\"schema-faq-question\">Q: Utilstr\u00e6kkelig bredde p\u00e5 loddemasken<\/strong> <p class=\"schema-faq-answer\">A: <strong>Udgave<\/strong>: Loddemaskens isolering mellem tilst\u00f8dende pads er for smal (&lt;0,08 mm), hvilket g\u00f8r den tilb\u00f8jelig til at g\u00e5 i stykker under fremstillingen.<br\/><strong>Risiko<\/strong>: Loddebroer og kortslutninger, der is\u00e6r p\u00e5virker 0402\/0201-komponenter og QFN-chips.<br\/><strong>L\u00f8sning<\/strong>:<br\/>Standard design: Loddemasked\u00e6mning \u2265 0,08 mm (3 mil)<br\/>Design med h\u00f8j densitet: \u2265 0,05 mm (2 mil), med forbehold for procesbekr\u00e6ftelse<br\/>Til ultrat\u00e6tte omr\u00e5der som BGA: Giv lokale l\u00f8sninger til optimering af loddemasken<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1764664524327\"><strong class=\"schema-faq-question\">Q: Forkert st\u00f8rrelse p\u00e5 loddemaske\u00e5bning<\/strong> <p class=\"schema-faq-answer\"><strong>Udgave<\/strong>: \u00c5bningsst\u00f8rrelsen passer ikke til puden - for lille p\u00e5virker loddeevnen, for stor blotl\u00e6gger spor.<br\/><strong>TOPFAST Specifikation<\/strong>:<br\/>Standard design: \u00c5bningen str\u00e6kker sig 0,05-0,1 mm (2-4 mil) ud over puden pr. side<br\/>BGA-pads: Anbefaler at bruge SMD-pads (Solder Mask Defined)<br\/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1764665380453\"><strong class=\"schema-faq-question\">Q: Forkert behandling af via-loddemaske<\/strong> <p class=\"schema-faq-answer\">A: <strong>Udgave<\/strong>: Forkert valg mellem \u00e5bning eller teltning, hvilket p\u00e5virker lodning og isolering.<br\/><strong>Strategi for behandling<\/strong>:<br\/><img loading=\"lazy\" decoding=\"async\" width=\"801\" height=\"235\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/11.png\" class=\"attachment-full size-full\" alt=\"F\u00e6lles kerneproblemer i PCB-loddemaskedesign\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/11.png 801w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/11-300x88.png 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/11-768x225.png 768w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/11-18x5.png 18w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/12\/11-600x176.png 600w\" sizes=\"auto, (max-width: 801px) 100vw, 801px\" \/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1764665515943\"><strong class=\"schema-faq-question\">Q: Utilstr\u00e6kkeligt design af justeringstolerance<\/strong> <p class=\"schema-faq-answer\">A:<strong> Udgave<\/strong>: Hvis der ikke tages h\u00f8jde for afvigelser i produktionsjusteringen, kan det medf\u00f8re, at loddemasken d\u00e6kker pad-kanterne.<br\/><strong>Princip<\/strong>: Implementer \"copper pullback\"-design for alle \u00e5bninger for at sikre, at puderne er fuldt eksponerede under maksimal procesafvigelse.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1764665557071\"><strong class=\"schema-faq-question\">Q: Fors\u00f8mmelse af design af s\u00e6rlige omr\u00e5der<\/strong> <p class=\"schema-faq-answer\">A: <strong>Behandlinger af n\u00f8gleomr\u00e5der<\/strong>:<br\/><strong>Pladekant\/V-CUT<\/strong>: Loddemasken m\u00e5 ikke d\u00e6kke separationslinjer<br\/><strong>Guldfingre<\/strong>: Absolut ingen loddemasked\u00e6kning tilladt<br\/><strong>H\u00f8jfrekvente spor<\/strong>: Lokal fjernelse af loddemaske eller bl\u00e6k med lav Dk\/Df kan anvendes<br\/>TOPFAST-anbefaling: Designtjek i fire trin<br\/><strong>Indstilling af regler<\/strong>: Etablering af regels\u00e6t for loddemaskedesign i EDA-v\u00e6rkt\u00f8jer<br\/><strong>Visuel inspektion<\/strong>: Gener\u00e9r dedikerede visninger til kontrol af loddemaskelag<br\/><strong>DFM-analyse<\/strong>: Brug TOPFAST's gratis online-v\u00e6rkt\u00f8j til pre-check<br\/><strong>Optimering af design<\/strong>: Iter\u00e9r p\u00e5 kritiske omr\u00e5der baseret p\u00e5 analyseresultater<\/p> <\/div> <\/div><p><strong>Brug for komplette regler for loddemaskedesign eller <a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/complete-guide-to-pcb-design-for-manufacturability-dfm\/\">DFM <\/a>anmeldelse?<\/strong><br>Upload designfiler til TOPFAST for at f\u00e5 skr\u00e6ddersyede l\u00f8sninger baseret p\u00e5 produktionsekspertise.<\/p>","protected":false},"excerpt":{"rendered":"<p>TOPFAST's guide omhandler risici for overlapning af PCB-loddemasker og silketryk og tilbyder strategier for designregler, DRC-tjek og DFM-samarbejdsl\u00f8sninger. Den beskriver procesmuligheder efter printkorttype og giver handlingsrettede trin til at forhindre loddeproblemer og sikre produktionssikkerhed.<\/p>","protected":false},"author":1,"featured_media":4731,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[415],"class_list":["post-4725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-solder-mask-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Resolve Overlap Issues Between Solder Mask and Silk Screen Layers in PCB Design - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Learn how TOPFAST solves solder mask and silkscreen overlap issues in PCB design. Expert guide on DRC rules, DFM review, and process capabilities to prevent soldering defects and ensure reliability. Free DFM analysis available.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.topfastpcb.com\/da\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Resolve Overlap Issues Between Solder Mask and Silk Screen Layers in PCB Design - Topfastpcb\" \/>\n<meta property=\"og:description\" content=\"Learn how TOPFAST solves solder mask and silkscreen overlap issues in PCB design. Expert guide on DRC rules, DFM review, and process capabilities to prevent soldering defects and ensure reliability. 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tools<br\/><strong>Visual Inspection<\/strong>: Generate dedicated solder mask layer check views<br\/><strong>DFM Analysis<\/strong>: Use TOPFAST's free online tool for pre-check<br\/><strong>Design Optimisation<\/strong>: Iterate critical areas based on analysis results\",\"inLanguage\":\"da-DK\"},\"inLanguage\":\"da-DK\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Resolve Overlap Issues Between Solder Mask and Silk Screen Layers in PCB Design - Topfastpcb","description":"Learn how TOPFAST solves solder mask and silkscreen overlap issues in PCB design. 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Insufficient Solder Mask Dam Width","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: <strong>Issue<\/strong>: Solder mask isolation between adjacent pads is too narrow (&lt;0.08mm), prone to breaking during manufacturing.<br\/><strong>Risk<\/strong>: Solder bridging and short circuits, especially affecting 0402\/0201 components and QFN chips.<br\/><strong>Solution<\/strong>:<br\/>Standard design: Solder mask dam \u2265 0.08mm (3mil)<br\/>High-density design: \u2265 0.05mm (2mil), subject to process confirmation<br\/>For ultra-dense areas like BGA: Provide localised solder mask optimisation solutions","inLanguage":"da-DK"},"inLanguage":"da-DK"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#faq-question-1764664524327","position":2,"url":"https:\/\/www.topfastpcb.com\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#faq-question-1764664524327","name":"Q: Incorrect Solder Mask Opening Size","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Issue<\/strong>: Opening size does not match the pad\u2014too small affects solderability, too large exposes traces.<br\/><strong>TOPFAST Specification<\/strong>:<br\/>Standard design: Opening extends 0.05-0.1mm (2-4mil) beyond the pad per side<br\/>BGA pads: Recommend using Solder Mask Defined (SMD) pads<br\/>","inLanguage":"da-DK"},"inLanguage":"da-DK"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#faq-question-1764665380453","position":3,"url":"https:\/\/www.topfastpcb.com\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#faq-question-1764665380453","name":"Q: Improper Via Solder Mask Treatment","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: <strong>Issue<\/strong>: Incorrect choice between opening or tenting, affecting soldering and insulation.<br\/><strong>Treatment Strategy<\/strong>:<br\/>","inLanguage":"da-DK"},"inLanguage":"da-DK"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#faq-question-1764665515943","position":4,"url":"https:\/\/www.topfastpcb.com\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#faq-question-1764665515943","name":"Q: Insufficient Alignment Tolerance Design","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A:<strong> Issue<\/strong>: Failure to account for production alignment deviations may cause the solder mask to cover the pad edges.<br\/><strong>Principle<\/strong>: Implement \"copper pullback\" design for all openings to ensure pads are fully exposed under maximum process deviation.","inLanguage":"da-DK"},"inLanguage":"da-DK"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#faq-question-1764665557071","position":5,"url":"https:\/\/www.topfastpcb.com\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#faq-question-1764665557071","name":"Q: Neglect of Special Area Design","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: <strong>Key Area Treatments<\/strong>:<br\/><strong>Board Edge\/V-CUT<\/strong>: Solder mask must not cover separation lines<br\/><strong>Gold Fingers<\/strong>: Absolutely no solder mask coverage allowed<br\/><strong>High-Frequency Traces<\/strong>: Local solder mask removal or low Dk\/Df ink may be used<br\/>TOPFAST Recommendation: Four-Step Design Check<br\/><strong>Rule Setting<\/strong>: Establish solder mask design rule sets in EDA tools<br\/><strong>Visual Inspection<\/strong>: Generate dedicated solder mask layer check views<br\/><strong>DFM Analysis<\/strong>: Use TOPFAST's free online tool for pre-check<br\/><strong>Design Optimisation<\/strong>: Iterate critical areas based on analysis results","inLanguage":"da-DK"},"inLanguage":"da-DK"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/posts\/4725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/comments?post=4725"}],"version-history":[{"count":3,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/posts\/4725\/revisions"}],"predecessor-version":[{"id":4733,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/posts\/4725\/revisions\/4733"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/media\/4731"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/media?parent=4725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/categories?post=4725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/da\/wp-json\/wp\/v2\/tags?post=4725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}