{"id":11294,"date":"2020-11-11T18:55:29","date_gmt":"2020-11-11T18:55:29","guid":{"rendered":"https:\/\/summitinterconnect.ca\/blog\/article\/comprendre-la-galvanoplastie-et-la-gravure\/"},"modified":"2025-12-17T10:48:53","modified_gmt":"2025-12-17T10:48:53","slug":"understanding-electroplating-and-etching","status":"publish","type":"post","link":"https:\/\/summitinterconnect.ca\/fr\/blog\/article\/understanding-electroplating-and-etching\/","title":{"rendered":"Comprendre la galvanoplastie et la gravure"},"content":{"rendered":"

Les bons ing\u00e9nieurs deviennent d'excellents ing\u00e9nieurs lorsqu\u2019ils comprennent parfaitement comment sont fabriqu\u00e9s les circuits imprim\u00e9s.
\nCe guide rapide couvre l\u2019\u00e9lectroplacage, la formation des vias et la gravure.<\/p>\n

Principales \u00e9tapes de fabrication :<\/p>\n

    \n
  1. Les fabricants commencent avec un **noyau recouvert de cuivre** ou un empilage multicouche.<\/li>\n
  2. Ils percent ensuite des trous **plus grands** que ceux sp\u00e9cifi\u00e9s par l\u2019ing\u00e9nieur, car ces trous vont **r\u00e9tr\u00e9cir apr\u00e8s l\u2019\u00e9lectroplacage**.<\/li>\n
  3. La prochaine \u00e9tape consiste \u00e0 **recouvrir enti\u00e8rement le panneau** d\u2019un **masque photo-imageable**, un mat\u00e9riau qui durcit sous l\u2019effet de la lumi\u00e8re.<\/li>\n
  4. Le motif du circuit est soit **projet\u00e9 sur le panneau**, soit **grav\u00e9 \u00e0 l\u2019aide d\u2019un laser \u00e0 balayage lin\u00e9aire**. La lumi\u00e8re **durcit s\u00e9lectivement** le mat\u00e9riau sur certaines zones.<\/li>\n
  5. Les parties du masque **non expos\u00e9es \u00e0 la lumi\u00e8re** sont ensuite \u00e9limin\u00e9es par lavage.<\/li>\n
  6. Le panneau entier est **connect\u00e9 \u00e0 la cathode** d\u2019une **alimentation en courant continu puls\u00e9**. Les **ions de cuivre** quittent un **lingot sacrificiel** et se d\u00e9posent sur **les zones expos\u00e9es** du panneau.<\/li>\n
  7. Tout le masque est ensuite lav\u00e9, laissant le panneau avec des **surfaces en cuivre en relief**, qui deviendront les **pistes, les pastilles et les zones de cuivre**.<\/li>\n
  8. Le panneau est plac\u00e9 dans une **solution de gravure**, qui enl\u00e8ve le cuivre de toute la surface. Les parties **\u00e9paissies par l\u2019\u00e9lectroplacage** prennent plus de temps \u00e0 \u00eatre grav\u00e9es, donc si le panneau est **retir\u00e9 au bon moment**, seules les **pistes resteront sur le substrat di\u00e9lectrique**.<\/li>\n<\/ol>\n

    Si vous avez d'autres questions, contactez nos experts en ing\u00e9nierie pour plus d\u2019informations.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Les bons ing\u00e9nieurs deviennent d'excellents ing\u00e9nieurs lorsqu\u2019ils comprennent parfaitement comment sont fabriqu\u00e9s les circuits imprim\u00e9s. Ce guide rapide couvre l\u2019\u00e9lectroplacage, la formation des vias et la gravure. Principales \u00e9tapes de fabrication : Les fabricants commencent avec un **noyau recouvert de cuivre** ou un empilage multicouche. Ils percent ensuite des trous **plus grands** que ceux sp\u00e9cifi\u00e9s […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[84],"tags":[],"class_list":["post-11294","post","type-post","status-publish","format-standard","hentry","category-fabrication-fr"],"acf":[],"yoast_head":"\nComprendre la galvanoplastie et la gravure - Summit Interconnect CA<\/title>\n<meta name=\"description\" content=\"Summit Interconnect, une soci\u00e9t\u00e9 de fabrication de circuits imprim\u00e9s, explique les utilisations de la galvanoplastie pour les processus de fabrication de circuits imprim\u00e9s \u00e0 rotation rapide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/summitinterconnect.ca\/fr\/blog\/article\/understanding-electroplating-and-etching\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comprendre la galvanoplastie et la gravure - 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