Un circuit imprim\u00e9 grav\u00e9, \u00e9galement appel\u00e9 PCB grav\u00e9 ou circuit imprim\u00e9 grav\u00e9, d\u00e9signe un circuit imprim\u00e9 qui a subi un processus de gravure. La gravure est une \u00e9tape de la fabrication des circuits imprim\u00e9s, au cours de laquelle le cuivre ind\u00e9sirable est \u00e9limin\u00e9 de mani\u00e8re s\u00e9lective de la carte afin de cr\u00e9er le motif de circuit souhait\u00e9. Ce processus comporte plusieurs \u00e9tapes cl\u00e9s.<\/p>\n\n\n\n
Le circuit imprim\u00e9 est d'abord recouvert d'un mat\u00e9riau photor\u00e9sistant, qui agit comme une couche protectrice. Ensuite, la carte est expos\u00e9e \u00e0 la lumi\u00e8re UV \u00e0 travers un masque de film qui contient le sch\u00e9ma de circuit souhait\u00e9. Les zones de la r\u00e9sine photosensible expos\u00e9es \u00e0 la lumi\u00e8re UV durcissent.<\/p>\n\n\n\n
Ensuite, le circuit imprim\u00e9 est immerg\u00e9 dans une solution chimique, telle que le chlorure ferrique, qui attaque s\u00e9lectivement le cuivre non prot\u00e9g\u00e9. Les zones durcies de la r\u00e9sine photosensible agissent comme une barri\u00e8re, prot\u00e9geant le cuivre sous-jacent de la gravure.<\/p>\n\n\n\n
En suivant ce processus, le cuivre ind\u00e9sirable est effectivement \u00e9limin\u00e9 et le sch\u00e9ma de circuit souhait\u00e9 est form\u00e9 sur le circuit imprim\u00e9. La carte ainsi obtenue est appel\u00e9e carte imprim\u00e9e grav\u00e9e.<\/p>","protected":false},"excerpt":{"rendered":"
Qu'est-ce que le carton imprim\u00e9 grav\u00e9 ?<\/p>\n
Un circuit imprim\u00e9 grav\u00e9, \u00e9galement appel\u00e9 PCB grav\u00e9 ou circuit imprim\u00e9 grav\u00e9, d\u00e9signe un circuit imprim\u00e9 qui a subi un processus de gravure.<\/p>","protected":false},"author":1,"featured_media":4750,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Etched Printed Board","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[15],"tags":[13,14],"class_list":["post-7761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary","tag-ng"],"_links":{"self":[{"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/posts\/7761","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/comments?post=7761"}],"version-history":[{"count":1,"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/posts\/7761\/revisions"}],"predecessor-version":[{"id":9134,"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/posts\/7761\/revisions\/9134"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/media\/4750"}],"wp:attachment":[{"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/media?parent=7761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/categories?post=7761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.besterpcba.com\/fr\/wp-json\/wp\/v2\/tags?post=7761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}