{"id":564,"date":"2016-03-09T16:43:51","date_gmt":"2016-03-09T16:43:51","guid":{"rendered":"http:\/\/www.semlab.com\/blog\/?p=564"},"modified":"2017-10-03T21:51:53","modified_gmt":"2017-10-03T21:51:53","slug":"enig-corrosion-problem","status":"publish","type":"post","link":"https:\/\/www.semlab.com\/old\/enig-corrosion-problem\/","title":{"rendered":"ENIG corrosion problem"},"content":{"rendered":"

\"ENIG<\/a><\/p>\n

Chlorine residue on this ENIG land caused corrosion of the underlying nickel and copper to form copper and nickel oxides on the gold surface. <\/p>\n

Apparently the 3 – 7 micro-inches thick immersion gold layer is not always impervious to chloride migration.<\/p>\n

Check out SEM Lab, Inc.<\/a>\u00a0 to learn more. <\/p>\n","protected":false},"excerpt":{"rendered":"

Chlorine residue on this ENIG land caused corrosion of the underlying nickel and copper to form copper and nickel oxides on the gold surface. Apparently the 3 – 7 micro-inches thick immersion gold layer is not always impervious to chloride migration. Check out SEM Lab, Inc.\u00a0 to learn more.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-564","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nCorrosion Analysis - SEM Lab Inc.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.semlab.com\/old\/enig-corrosion-problem\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Corrosion Analysis - SEM Lab Inc.\" \/>\n<meta property=\"og:description\" content=\"Chlorine residue on this ENIG land caused corrosion of the underlying nickel and copper to form copper and nickel oxides on the gold surface. 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