{"id":9076,"date":"2023-08-17T09:04:20","date_gmt":"2023-08-17T07:04:20","guid":{"rendered":"https:\/\/ksg-pcb.com\/?p=9076"},"modified":"2025-02-18T08:35:16","modified_gmt":"2025-02-18T07:35:16","slug":"conseils-pratiques-pour-un-design-pcb-de-serie-sans-defaut-partie-1-couches-de-cuivre-externes","status":"publish","type":"post","link":"https:\/\/www.ksg-pcb.com\/fr\/praxistipps-fuer-ein-fehlerfreies-serientaugliches-pcb-design-teil-1-aussenliegende-kupferlagen\/","title":{"rendered":"Conseils pratiques pour une conception de PCB sans d\u00e9faut et adapt\u00e9e \u00e0 la production en s\u00e9rie Partie 1 : Couches de cuivre externes"},"content":{"rendered":"
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Les erreurs de conception de circuits imprim\u00e9s co\u00fbtent du temps et de l'argent, mais peuvent \u00eatre \u00e9vit\u00e9es. Dans le cadre de la s\u00e9rie d'articles \"Conseils pratiques\", nous examinons \u00e0 la loupe les erreurs typiques de conception de PCB et fournissons de pr\u00e9cieuses connaissances d'initi\u00e9s pour une conception efficace d'un circuit imprim\u00e9.<\/strong><\/p>

Une conception de PCB sans erreur et adapt\u00e9e \u00e0 la production en s\u00e9rie est la condition de base pour une fabrication \u00e9conomique de circuits imprim\u00e9s. Pourtant, le layout pr\u00e9sente des d\u00e9fis typiques et des erreurs r\u00e9currentes \u00e0 plusieurs endroits, par exemple lors de la conception des couches de cuivre ext\u00e9rieures.<\/span><\/p>

Thomas Doberitzsch, du support technique de KSG Group, explique quelles sont exactement les sources d'erreurs potentielles et comment les \u00e9viter.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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En bref : <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Comment \u00e9viter les erreurs sur les couches de cuivre ext\u00e9rieures<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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UTILISER DES PADS FLASH\u00c9S <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Ex\u00e9cution :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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r\u00e9sultat :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Solution : <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Des pads dessin\u00e9s sont utilis\u00e9s et sortis en post-processing. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Pour les routines de contr\u00f4le et le masque de soudure, les fabricants de circuits imprim\u00e9s exigent des pastilles flash\u00e9es.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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D\u00e9finir les pads uniquement en mode flash et les sortir en post-traitement.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"R\u00e8gles\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\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\t\t
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VEILLER \u00c0 L'\u00c9QUILIBRE DU CUIVRE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Ex\u00e9cution :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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r\u00e9sultat :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Solution : <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Le cuivre n'est pas r\u00e9parti de mani\u00e8re homog\u00e8ne sur les couches de signal et de plan.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Un cuivre r\u00e9parti de mani\u00e8re in\u00e9gale peut entra\u00eener des courbures et des torsions.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Toujours r\u00e9partir le cuivre de mani\u00e8re homog\u00e8ne en tenant compte des lignes de fuite et des distances d'air, par exemple en recouvrant de grandes surfaces libres avec des surfaces en cuivre.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"R\u00e8gles\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\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\t\t
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RESPECTER LES DISTANCES MINIMALES<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Ex\u00e9cution :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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r\u00e9sultat :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Solution : <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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La clairance fiable ou les distances minimales dans le cuivre ne sont pas atteintes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Apparition de slivers ou de pinholes qui doivent \u00eatre corrig\u00e9s lors de la pr\u00e9paration des donn\u00e9es. Sinon, la r\u00e9serve peut s'y d\u00e9tacher et se poser n'importe o\u00f9 dans le layout, ce qui augmente le risque de court-circuit ou d'interruption dans le layout.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Respecter la clairance du cuivre pour tous les \u00e9l\u00e9ments en cuivre - aussi bien pour les connexions PAD, pour les r\u00e9seaux identiques et diff\u00e9rents que pour la distance aux trous non plac\u00e9s. Cela signifie : d\u00e9finir les distances minimales dans le syst\u00e8me EDA, les contr\u00f4ler par DRC apr\u00e8s la fin du layout et corriger les \u00e9ventuelles erreurs. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"R\u00e8gle\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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<\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Information\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Des questions ? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Vous avez d'autres questions sur la conception de circuits imprim\u00e9s ou vous avez besoin d'aide pour le processus de layout et de d\u00e9veloppement ? N'h\u00e9sitez pas \u00e0 contacter les experts exp\u00e9riment\u00e9s de notre support technique :<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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T\u00e9l\u00e9phone: +49 3721 266-555<\/b><\/p>\n

Courrier \u00e9lectronique :   ts@ksg-pcb.com<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Quelles sont vos exp\u00e9riences en mati\u00e8re de d\u00e9veloppement de circuits imprim\u00e9s ? N'h\u00e9sitez pas \u00e0 \u00e9crire un commentaire et \u00e0 nous le faire savoir.\u00a0<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Fehler bei der Leiterplattenentwicklung kosten Zeit und Geld, lassen sich aber vermeiden. Im Rahmen der Beitragsreihe \u201ePraxistipps\u201c nehmen wir typische PCB-Designfehler unter die Lupe und geben wertvolles Insiderwissen f\u00fcr die […]<\/p>\n","protected":false},"author":26,"featured_media":9222,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[221],"tags":[302,177,235],"class_list":["post-9076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-leiterplattenentwicklung","tag-leiterplattenherstellung","tag-leiterplattenwissen"],"yoast_head":"\nPraxistipps f\u00fcr ein sicheres PCB-Design \u26af pcb-blog.com<\/title>\n<meta name=\"description\" content=\"Im Rahmen der Beitragsreihe Praxistipps. nehmen wir typische PCB-Designfehler unter die Lupe und geben Insiderwissen f\u00fcr die effiziente Gestaltung.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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