{"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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/","title":{"rendered":"Comment r\u00e9soudre les probl\u00e8mes de chevauchement entre les couches de masque de soudure et de s\u00e9rigraphie dans la conception de circuits imprim\u00e9s ?"},"content":{"rendered":"<p>Dans l'\u00e9tude TOPFAST<a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/comprehensive-guide-to-pcb-design\/\"> Conception de circuits imprim\u00e9s<\/a> exp\u00e9rience en mati\u00e8re d'examen et de fabrication, <strong>chevauchement entre le masque de soudure et les couches de s\u00e9rigraphie<\/strong> est l'un des probl\u00e8mes de conception courants qui peut entra\u00eener des d\u00e9fauts de soudure et affecter la fiabilit\u00e9 du produit. Il est essentiel de traiter correctement ce probl\u00e8me pour garantir la fabricabilit\u00e9 des circuits imprim\u00e9s et la qualit\u00e9 finale.<\/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\">Table des mati\u00e8res<\/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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#Core_Risks_Posed_by_Overlap_Issues\" >Risques principaux pos\u00e9s par les questions de chevauchement<\/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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#Systematic_Solutions_Recommended_by_TOPFAST\" >Solutions syst\u00e9matiques recommand\u00e9es par 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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#I_Preventive_Rule_Setting\" >I. L'\u00e9tablissement de r\u00e8gles pr\u00e9ventives<\/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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#II_Design_Verification_Manual_Refinement\" >II. V\u00e9rification de la conception et perfectionnement du manuel<\/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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#III_Manufacturing_Collaboration_Recommendations_with_TOPFAST\" >III. Recommandations concernant la collaboration avec TOPFAST dans le domaine de la fabrication<\/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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#TOPFAST_Process_Capability_Reference_Table\" >Tableau de r\u00e9f\u00e9rence des capacit\u00e9s de traitement TOPFAST<\/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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#Conclusion\" >Conclusion<\/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\/fr\/blog\/how-to-resolve-overlap-issues-between-solder-mask-and-silk-screen-layers-in-pcb-design\/#Common_Core_Issues_in_PCB_Solder_Mask_Design\" >Probl\u00e8mes fondamentaux communs \u00e0 la conception des masques de soudure pour circuits imprim\u00e9s<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Core_Risks_Posed_by_Overlap_Issues\"><\/span>Risques principaux pos\u00e9s par les questions de chevauchement<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>Risques li\u00e9s \u00e0 la qualit\u00e9 du brasage<\/strong><br>L'encre de s\u00e9rigraphie est isolante. Si elle recouvre les plages de soudure, elle emp\u00eache directement une liaison efficace entre la soudure et la couche de cuivre. Cela peut entra\u00eener <strong>des joints de soudure froids, une r\u00e9sistance insuffisante des joints de soudure ou une soudure incompl\u00e8te<\/strong>Les essais de vibration et les essais de cycles \u00e0 haute\/basse temp\u00e9rature peuvent provoquer des d\u00e9faillances.<\/li>\n\n<li><strong>Conflits li\u00e9s au processus de fabrication<\/strong><br>Dans le processus de production des circuits imprim\u00e9s, la couche de masque de soudure est g\u00e9n\u00e9ralement prioritaire. L'encre de s\u00e9rigraphie dans les zones de chevauchement peut \u00eatre grav\u00e9e ou partiellement enlev\u00e9e, ce qui se traduit par <strong>caract\u00e8res incomplets, flous ou mal align\u00e9s<\/strong>, affecting assembly accuracy and subsequent repair and debugging.<\/li>\n\n<li><strong>R\u00e9duction du professionnalisme des produits<\/strong><br>Les s\u00e9rigraphies d\u00e9sordonn\u00e9es et qui se chevauchent r\u00e9duisent non seulement la lisibilit\u00e9 de la carte de circuit imprim\u00e9, mais refl\u00e8tent \u00e9galement la n\u00e9gligence durant la phase de conception, ce qui a un impact sur l'image globale du produit.<\/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=\"Conception de masques de soudure pour circuits imprim\u00e9s\" 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>Solutions syst\u00e9matiques recommand\u00e9es par 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. L'\u00e9tablissement de r\u00e8gles pr\u00e9ventives<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Param\u00e8tres de la r\u00e8gle cl\u00e9<\/strong>:<br>Dans les outils EDA tels qu'Altium Designer ou Allegro, il est essentiel d'\u00e9tablir l'identit\u00e9 de l'utilisateur. <strong>\"D\u00e9gagement entre la soie et le masque de soudure\".<\/strong> r\u00e8gle. TOPFAST recommande :<ul class=\"wp-block-list\"><li><strong>Dessins et mod\u00e8les g\u00e9n\u00e9raux<\/strong>: D\u00e9gagement minimum \u2265 <strong>0,15mm (6mil)<\/strong><\/li>\n\n<li><strong>Conceptions \u00e0 haute densit\u00e9<\/strong>: Peut \u00eatre n\u00e9goci\u00e9 jusqu'\u00e0 <strong>0,1mm (4mil)<\/strong>mais la capacit\u00e9 de traitement doit \u00eatre confirm\u00e9e \u00e0 l'avance<\/li>\n\n<li><strong>Cartes haute fr\u00e9quence\/haute tension<\/strong>: Recommander \u2265 <strong>0,2mm (8mil)<\/strong> pour assurer un d\u00e9gagement s\u00fbr<\/li><\/ul><\/li>\n\n<li><strong>Exemple de mise en \u0153uvre d'une r\u00e8gle (Altium Designer)<\/strong>:<ol class=\"wp-block-list\"><li><code>Conception<\/code> \u2192 <code>R\u00e8gles<\/code> \u2192 <code>Fabrication<\/code> \u2192 <code>SilkToSolderMaskClearance<\/code><\/li>\n\n<li>D\u00e9finir les objets correspondants (premier objet : couche de soie ; deuxi\u00e8me objet : couche de masque de soudure)<\/li>\n\n<li>Mener une enqu\u00eate compl\u00e8te <strong><a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/pcb-design-drc-inspection-complete-guide\/\">V\u00e9rification des r\u00e8gles de conception<\/a> (RDC)<\/strong> apr\u00e8s application de la r\u00e8gle<\/li><\/ol><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"II_Design_Verification_Manual_Refinement\"><\/span>II. V\u00e9rification de la conception et perfectionnement du manuel<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Inspection visuelle de la pile de couches<\/strong>:<br>Dans l'\u00e9diteur de circuits imprim\u00e9s, n'affichez que les <strong>couche de s\u00e9rigraphie + masque de soudure\/couche de plaquettes<\/strong> et utiliser le contraste des couleurs pour identifier visuellement les zones de chevauchement.<\/li>\n\n<li><strong>Traitement en boucle ferm\u00e9e des erreurs DRC<\/strong>:<br>Examiner et ajuster manuellement chaque point de chevauchement signal\u00e9 par DRC, y compris<ul class=\"wp-block-list\"><li><strong>D\u00e9placement\/rotation<\/strong> positions des caract\u00e8res<\/li>\n\n<li><strong>Simplifier<\/strong> les marquages non essentiels (conserver uniquement les d\u00e9signateurs, la polarit\u00e9 et les \u00e9tiquettes d'interface)<\/li>\n\n<li><strong>Normalisation<\/strong> l'orientation des caract\u00e8res et la taille de la police (largeur\/hauteur de ligne recommand\u00e9e de 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. Recommandations concernant la collaboration avec TOPFAST dans le domaine de la fabrication<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Confirmer \u00e0 l'avance les d\u00e9tails du processus<\/strong><br>Avant de soumettre les fichiers de la carte, fournissez les fichiers de conception \u00e0 TOPFAST pour qu'il les examine. <strong>Examen de la conception pour la fabrication (DFM)<\/strong>. Nous fournirons un retour d'information sur :<ul class=\"wp-block-list\"><li><strong>Param\u00e8tres optimaux d'espacement entre la s\u00e9rigraphie et le masque de soudure<\/strong> pour votre design<\/li>\n\n<li><strong>Suggestions d'adaptation du processus<\/strong> pour des mat\u00e9riaux\/finitions de surface sp\u00e9cifiques<\/li>\n\n<li><strong>Solutions d'optimisation de la s\u00e9rigraphie<\/strong> pour les zones \u00e0 forte densit\u00e9<\/li><\/ul><\/li>\n\n<li><strong>Utiliser le principe de la \"priorit\u00e9 au masque de soudure\".<\/strong><br>Pendant la production, TOPFAST respecte strictement le principe suivant <strong>\"La pr\u00e9cision de l'ouverture du masque de soudure est prioritaire par rapport \u00e0 l'int\u00e9grit\u00e9 de la s\u00e9rigraphie\".<\/strong> pour s'assurer que les coussinets restent parfaitement propres. Il est recommand\u00e9 de traiter <strong>s\u00e9rigraphie active \u00e9vitement des tampons<\/strong> comme une r\u00e8gle d'or lors de la conception.<\/li>\n\n<li><strong>R\u00e9sultats standardis\u00e9s de la conception<\/strong><br>Il est recommand\u00e9 de livrer les fichiers en <strong>IPC-2581<\/strong> or <strong>Format Gerber X2 avec description des propri\u00e9t\u00e9s des couches<\/strong> pour r\u00e9duire les erreurs d'interpr\u00e9tation au niveau de la production.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"TOPFAST_Process_Capability_Reference_Table\"><\/span>Tableau de r\u00e9f\u00e9rence des capacit\u00e9s de traitement TOPFAST<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Type de conception<\/th><th>Distance recommand\u00e9e entre la soie et le masque de soudure<\/th><th>Soutien au processus TOPFAST<\/th><th>Remarques<\/th><\/tr><\/thead><tbody><tr><td>\u00c9lectronique grand public g\u00e9n\u00e9rale<\/td><td>\u22650.15mm (6mil)<\/td><td>Soutien standard<\/td><td>Compatible avec la plupart des applications commerciales<\/td><\/tr><tr><td>Interconnexion haute densit\u00e9 (HDI)<\/td><td>\u22650,1mm (4mil)<\/td><td>N\u00e9cessit\u00e9 d'un examen pr\u00e9alable<\/td><td>Combin\u00e9 au processus d'imagerie laser LDI<\/td><\/tr><tr><td>Qualit\u00e9 automobile\/industrielle<\/td><td>\u22650,2mm (8mil)<\/td><td>Assurance prioritaire<\/td><td>R\u00e9pond \u00e0 des exigences de fiabilit\u00e9 plus \u00e9lev\u00e9es<\/td><\/tr><tr><td><a href=\"https:\/\/www.topfastpcb.com\/fr\/products\/category\/flexible-pcb\/\">Circuit imprim\u00e9 flexible <\/a>(FPC)<\/td><td>\u22650.15mm (6mil)<\/td><td>Adaptation sp\u00e9ciale de l'encre<\/td><td>Emp\u00eache la s\u00e9rigraphie de se fissurer dans les zones de pliage<\/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=\"Conception de masques de soudure pour circuits imprim\u00e9s\" 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>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Chez TOPFAST, nous pensons que <strong>\"la conception d\u00e9termine le plafond de fabrication\".<\/strong> En ce qui concerne le probl\u00e8me de chevauchement entre le masque de soudure et les couches de s\u00e9rigraphie, nous recommandons :<\/p><ol class=\"wp-block-list\"><li><strong>Design Side<\/strong>: Appliquer strictement les r\u00e8gles d'autorisation et utiliser les outils DRC pour \u00e9liminer les risques \u00e0 la source de la conception.<\/li>\n\n<li><strong>C\u00f4t\u00e9 r\u00e9vision<\/strong>: Utilisez le logiciel TOPFAST <strong>Outil d'inspection DFM en ligne gratuit<\/strong> ou soumettre des fichiers \u00e0 l'examen d'experts pour obtenir des recommandations personnalis\u00e9es.<\/li>\n\n<li><strong>C\u00f4t\u00e9 production<\/strong>: Indiquer clairement les exigences de d\u00e9gagement pour les zones critiques et s\u00e9lectionner les param\u00e8tres de conception qui correspondent aux capacit\u00e9s de traitement de TOPFAST.<\/li><\/ol><p>Gr\u00e2ce \u00e0 la double assurance de <strong>pr\u00e9vention de la conception + collaboration avec la fabrication<\/strong>TOPFAST vous aide \u00e0 \u00e9liminer les \"probl\u00e8mes mineurs\" tels que le chevauchement des s\u00e9rigraphies, am\u00e9liorant ainsi le rendement des circuits imprim\u00e9s au premier passage et la fiabilit\u00e9 des produits finis.<\/p><p><strong>Vous souhaitez que TOPFAST vous fournisse des recommandations sur mesure concernant les r\u00e8gles d'autorisation de la s\u00e9rigraphie pour votre dessin ou mod\u00e8le ?<\/strong><br>N'h\u00e9sitez pas \u00e0 t\u00e9l\u00e9charger vos fichiers de conception ou \u00e0 nous contacter pour obtenir un devis. <strong>Rapport d'analyse DFM gratuit<\/strong>. Nous fournirons des solutions d'optimisation bas\u00e9es sur les capacit\u00e9s de production r\u00e9elles.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Core_Issues_in_PCB_Solder_Mask_Design\"><\/span>Probl\u00e8mes fondamentaux communs \u00e0 la conception des masques de soudure pour circuits imprim\u00e9s<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Dans la fabrication des circuits imprim\u00e9s, la conception du masque de soudure a un impact direct sur la fiabilit\u00e9 et le rendement du produit. Sur la base de son exp\u00e9rience de la fabrication, TOPFAST r\u00e9sume les cinq probl\u00e8mes de conception de masque de soudure les plus courants au-del\u00e0 du chevauchement de la s\u00e9rigraphie, ainsi que les solutions :<\/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 : Largeur insuffisante du masque de soudure<\/strong> <p class=\"schema-faq-answer\">A : <strong>Enjeu<\/strong>: L'isolation du masque de soudure entre les pads adjacents est trop \u00e9troite (&lt;0,08 mm) et risque de se rompre au cours de la fabrication.<br\/><strong>Risque<\/strong>: Ponts de soudure et courts-circuits, affectant particuli\u00e8rement les composants 0402\/0201 et les puces QFN.<br\/><strong>Solution<\/strong>:<br\/>Conception standard : Barrage du masque de soudure \u2265 0,08mm (3mil)<br\/>Conception \u00e0 haute densit\u00e9 : \u2265 0,05mm (2mil), sous r\u00e9serve de confirmation du processus.<br\/>Pour les zones ultra-denses comme les BGA : fournir des solutions d'optimisation du masque de soudure localis\u00e9<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1764664524327\"><strong class=\"schema-faq-question\">Q : Taille d'ouverture du masque de soudure incorrecte<\/strong> <p class=\"schema-faq-answer\"><strong>Enjeu<\/strong>: La taille de l'ouverture n'est pas adapt\u00e9e \u00e0 la pastille - une taille trop petite affecte la soudabilit\u00e9, une taille trop grande expose les traces.<br\/><strong>Sp\u00e9cification TOPFAST<\/strong>:<br\/>Mod\u00e8le standard : L'ouverture d\u00e9passe de 0,05 \u00e0 0,1 mm (2-4mil) le tampon de chaque c\u00f4t\u00e9.<br\/>Plots BGA : Il est recommand\u00e9 d'utiliser des pastilles SMD (Solder Mask Defined).<br\/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1764665380453\"><strong class=\"schema-faq-question\">Q : Traitement incorrect du masque de soudure Via<\/strong> <p class=\"schema-faq-answer\">A : <strong>Enjeu<\/strong>: Mauvais choix entre l'ouverture ou la tente, ce qui affecte la soudure et l'isolation.<br\/><strong>Strat\u00e9gie de traitement<\/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=\"Probl\u00e8mes fondamentaux communs \u00e0 la conception des masques de soudure pour circuits imprim\u00e9s\" 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 : Conception d'une tol\u00e9rance d'alignement insuffisante<\/strong> <p class=\"schema-faq-answer\">A :<strong> Enjeu<\/strong>: Si l'on ne tient pas compte des \u00e9carts d'alignement dans la production, le masque de soudure risque de recouvrir les bords de la pastille.<br\/><strong>Principe<\/strong>: Mettre en \u0153uvre une conception de \"retrait du cuivre\" pour toutes les ouvertures afin de s'assurer que les plaquettes sont enti\u00e8rement expos\u00e9es en cas de d\u00e9viation maximale du processus.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1764665557071\"><strong class=\"schema-faq-question\">Q : N\u00e9gligence dans la conception des zones sp\u00e9ciales<\/strong> <p class=\"schema-faq-answer\">A : <strong>Traitements des zones cl\u00e9s<\/strong>:<br\/><strong>Bord de planche\/V-CUT<\/strong>: Le masque de soudure ne doit pas couvrir les lignes de s\u00e9paration<br\/><strong>Doigts d'or<\/strong>: Aucune couverture du masque de soudure n'est autoris\u00e9e<br\/><strong>Traces \u00e0 haute fr\u00e9quence<\/strong>: Il est possible d'enlever localement le masque de soudure ou d'utiliser une encre \u00e0 faible Dk\/Df.<br\/>Recommandation TOPFAST : Contr\u00f4le de la conception en quatre \u00e9tapes<br\/><strong>Fixation des r\u00e8gles<\/strong>: \u00c9tablir des ensembles de r\u00e8gles de conception de masques de soudure dans les outils EDA<br\/><strong>Inspection visuelle<\/strong>: G\u00e9n\u00e9rer des vues de contr\u00f4le d\u00e9di\u00e9es \u00e0 la couche de masque de soudure<br\/><strong>Analyse DFM<\/strong>: Utiliser l'outil en ligne gratuit TOPFAST pour le pr\u00e9-contr\u00f4le<br\/><strong>Optimisation de la conception<\/strong>: Am\u00e9liorer les domaines critiques sur la base des r\u00e9sultats de l'analyse<\/p> <\/div> <\/div><p><strong>Besoin de r\u00e8gles compl\u00e8tes pour la conception des masques de soudure ou <a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/complete-guide-to-pcb-design-for-manufacturability-dfm\/\">DFM <\/a>r\u00e9vision ?<\/strong><br>T\u00e9l\u00e9chargez les fichiers de conception sur TOPFAST pour obtenir des solutions personnalis\u00e9es bas\u00e9es sur l'expertise en mati\u00e8re de production.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le guide TOPFAST aborde les risques de chevauchement des masques de soudure et des s\u00e9rigraphies sur les circuits imprim\u00e9s, en proposant des strat\u00e9gies de r\u00e8gles de conception, des v\u00e9rifications DRC et des solutions de collaboration DFM. Il d\u00e9taille les capacit\u00e9s des processus par type de carte et propose des mesures concr\u00e8tes pour \u00e9viter les probl\u00e8mes de soudure et garantir la fiabilit\u00e9 de la fabrication.<\/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. 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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\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@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\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@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\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@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\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@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 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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":"fr-FR"},"inLanguage":"fr-FR"},{"@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":"fr-FR"},"inLanguage":"fr-FR"},{"@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":"fr-FR"},"inLanguage":"fr-FR"},{"@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":"fr-FR"},"inLanguage":"fr-FR"},{"@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 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