{"id":1890,"date":"2023-11-29T13:04:57","date_gmt":"2023-11-29T13:04:57","guid":{"rendered":"https:\/\/www.mintecinno.com\/?p=1890"},"modified":"2024-04-09T03:07:25","modified_gmt":"2024-04-09T03:07:25","slug":"understanding-the-pros-and-cons-of-osp-surface-finishing-in-pcbs","status":"publish","type":"post","link":"https:\/\/www.mintecinno.com\/fr\/understanding-the-pros-and-cons-of-osp-surface-finishing-in-pcbs\/","title":{"rendered":"Comprendre les avantages et les inconv\u00e9nients de la finition de surface OSP dans les circuits imprim\u00e9s"},"content":{"rendered":"

En tant qu'outil complet PCBA<\/a> Nous souhaitons mettre en lumi\u00e8re l'importance et les nuances de la finition de surface OSP (Organic Solderability Preservatives) dans l'industrie de l'acier et de l'acier inoxydable. Fabrication de circuits imprim\u00e9s<\/a>. L'OSP (Organic Solderability Preservatives), \u00e9galement connu sous le nom d'agent de protection du cuivre, est une m\u00e9thode de traitement de surface tr\u00e8s r\u00e9pandue qui prot\u00e8ge le cuivre expos\u00e9 de l'air pendant les op\u00e9rations de soudage. Fabrication de circuits imprim\u00e9s<\/a>. Cependant, comme toute technologie, l'OSP pr\u00e9sente des avantages et des inconv\u00e9nients. Examinons les avantages et les inconv\u00e9nients de cette technique de traitement de surface dans les domaines suivants PCBA<\/a>.<\/p>\n

Avantages de l'OSP :<\/h2>\n

L'OSP sert de barri\u00e8re protectrice entre le cuivre et l'air. Sa nature organique le distingue et en fait une alternative rentable par rapport \u00e0 d'autres traitements tels que les proc\u00e9d\u00e9s de pulv\u00e9risation d'\u00e9tain. Le principe consiste \u00e0 cultiver chimiquement une fine pellicule organique sur une surface de cuivre nue et propre, que l'on trouve souvent dans les cartes m\u00e8res d'ordinateurs.<\/p>\n

Cependant, il y a des inconv\u00e9nients \u00e0 prendre en compte :<\/h2>\n

La transparence et l'absence de couleur de l'OSP rendent l'inspection visuelle difficile ; il devient alors difficile de d\u00e9terminer si un traitement \u00e0 l'OSP a \u00e9t\u00e9 appliqu\u00e9.<\/p>\n

La nature non conductrice de l'OSP interf\u00e8re avec les tests \u00e9lectriques, ce qui n\u00e9cessite l'\u00e9limination de la couche d'OSP \u00e0 l'aide de p\u00e2te d'\u00e9tain par impression au pochoir pour faciliter ces tests.<\/p>\n

L'OSP est sensible \u00e0 la corrosion et vuln\u00e9rable aux influences de l'acide et de la temp\u00e9rature. Un stockage ou une exposition prolong\u00e9s peuvent n\u00e9cessiter un nouveau traitement de surface.<\/p>\n

Une carte trait\u00e9e \u00e0 l'OSP expos\u00e9e \u00e0 l'air pendant une dizaine de jours devient impropre \u00e0 la soudure de composants.<\/p>\n

Cet article donne un aper\u00e7u des r\u00f4les du traitement de surface OSP et de ses avantages et inconv\u00e9nients dans la fabrication des circuits imprim\u00e9s. Pour plus d'informations, n'h\u00e9sitez pas \u00e0 contacter MTI PCBA<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

En tant que fabricant complet de PCBA, nous souhaitons faire la lumi\u00e8re sur l'importance et les nuances de la finition de surface OSP (Organic Solderability Preservatives) dans la fabrication des PCB. L'OSP (Organic Solderability Preservatives), \u00e9galement connu sous le nom d'agent de protection du cuivre, est une m\u00e9thode de traitement de surface tr\u00e8s r\u00e9pandue qui prot\u00e8ge le cuivre expos\u00e9 de l'air pendant la fabrication des PCB. Cependant, comme pour tout [...]<\/p>","protected":false},"author":3,"featured_media":1891,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1890","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"\nUnderstanding the Pros and Cons of OSP Surface Finishing in PCBs - MTI PCBA<\/title>\n<meta name=\"description\" content=\"Explore the advantages and drawbacks of OSP (Organic Solderability Preservatives) surface treatment in PCB manufacturing. Learn how OSP shields copper and its impact on electrical testing. 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