{"id":1241,"date":"2011-09-27T08:37:00","date_gmt":"2011-09-27T00:37:00","guid":{"rendered":"\/\/m.letratesoro.com\/2011\/09\/bga%e5%90%8c%e6%99%82%e7%a9%ba%e7%84%8a%e5%8f%8a%e7%9f%ad%e8%b7%af%e5%8f%af%e8%83%bd%e7%9a%84%e5%8e%9f%e5%9b%a0\/"},"modified":"2019-06-05T19:33:06","modified_gmt":"2019-06-05T11:33:06","slug":"bga-open-short","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2011\/09\/bga-open-short\/","title":{"rendered":"BGA\u710a\u63a5\u540c\u6642\u767c\u751f\u7a7a\u710a\u53ca\u77ed\u8def\u53ef\u80fd\u7684\u539f\u56e0"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" title=\"BGA smile up\uff08BGA\u8f09\u677f\u53ca\u96fb\u8def\u677f\u7531\u65bc\u71b1\u7e2e\u7387(CTE)\u5dee\u8ddd\u904e\u5927\uff0c\u9020\u6210BGA\u8f09\u677f\u7684\u677f\u908a\u4e0a\u7ff9\uff0c\u5f62\u6210\u4e86\u985e\u4f3c\u7b11\u81c9\u7684\u66f2\u7dda\uff09\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA smile up\uff08BGA\u8f09\u677f\u53ca\u96fb\u8def\u677f\u7531\u65bc\u71b1\u7e2e\u7387(CTE)\u5dee\u8ddd\u904e\u5927\uff0c\u9020\u6210BGA\u8f09\u677f\u7684\u677f\u908a\u4e0a\u7ff9\uff0c\u5f62\u6210\u4e86\u985e\u4f3c\u7b11\u81c9\u7684\u66f2\u7dda\uff09\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/df2a008c9877_B23D\/BGA_smile_up.jpg\" width=\"300\" height=\"85\" \/><img loading=\"lazy\" decoding=\"async\" title=\"BGA cry down\uff08\u96fb\u8def\u677f\u5247\u56e0\u70baTAL(Time Above Liquidous)\u904e\u9577\uff0c\u8207\u8ff4\u710a\u7210\u7684\u4e0a\u4e0b\u7210\u6eab\u6eab\u5dee\u904e\u5927\uff0c\u5169\u76f8\u4ea4\u4e92\u4f5c\u7528\u4e0b\u5f62\u6210\u96fb\u8def\u677f\u677f\u908a\u4e0b\u5f4e\uff0c\u9020\u6210\u4e86\u6240\u8b02\u7684\u54ed\u81c9\u66f2\u7dda\uff09\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA cry down\uff08\u96fb\u8def\u677f\u5247\u56e0\u70baTAL(Time Above Liquidous)\u904e\u9577\uff0c\u8207\u8ff4\u710a\u7210\u7684\u4e0a\u4e0b\u7210\u6eab\u6eab\u5dee\u904e\u5927\uff0c\u5169\u76f8\u4ea4\u4e92\u4f5c\u7528\u4e0b\u5f62\u6210\u96fb\u8def\u677f\u677f\u908a\u4e0b\u5f4e\uff0c\u9020\u6210\u4e86\u6240\u8b02\u7684\u54ed\u81c9\u66f2\u7dda\uff09\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/df2a008c9877_B23D\/BGA_cry_down.jpg\" width=\"283\" height=\"85\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e4b\u524d\u5728\u7db2\u8def\u4e0a\u6709\u770b\u904e\u4e00\u500b\u7db2\u53cb PO \u6587\u8aaa\u4ed6\u5011\u5bb6\u5728\u751f\u7522 BGA \u6642\uff0c\u7e3d\u662f\u5bb9\u6613\u767c\u751f\u77ed\u8def\u53ca\u7a7a\u710a\uff0c\u800c\u4e14\u9084\u90fd\u662f\u65b0\u6599\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e00\u822c\u4f86\u8aaaBGA\u710a\u63a5\u540c\u6642\u6703\u6709\u7a7a\u710a(insufficient solder, open solder joint)\u53ca\u77ed\u8def(solder short, solder joint bridging)\u7684\u60c5\u5f62\u4e26\u4e0d\u591a\u898b\uff0c\u4f46\u4e5f\u4e0d\u662f\u5168\u7121\u53ef\u80fd\uff0c\u5c31\u50cf\u7b2c53\u671f\u7684\u300c\u96fb\u8def\u677f\u6703\u520a\u300d\uff0c\u5c31\u520a\u51fa\u7531\u65bcBGA\u8f09\u677f\u53ca\u96fb\u8def\u677f\u7531\u65bc<a href=\"\/\/m.letratesoro.com\/2016\/08\/cte\/\" rel=\"noopener noreferrer\" target=\"_blank\">\u71b1\u81a8\u8139\u4fc2\u6578(CTE)<\/a>\u5dee\u8ddd\u904e\u5927\uff0c\u9020\u6210BGA\u8f09\u677f\u7684\u677f\u908a\u4e0a\u7ff9\uff0c\u5f62\u6210\u4e86\u985e\u4f3c\u300c\u7b11\u81c9\u7684\u66f2\u7dda(simle-up)\u300d\uff0c\u800c\u96fb\u8def\u677f\u5247\u56e0\u70baTAL(Time Above Liquidus)\u904e\u9577\uff0c\u8207\u56de\u710a\u7210\u7684\u4e0a\u4e0b\u7210\u6eab\u6eab\u5dee\u904e\u5927\uff0c\u5169\u76f8\u4ea4\u4e92\u4f5c\u7528\u4e0b\u5f62\u6210\u96fb\u8def\u677f\u677f\u908a\u4e0b\u5f4e\uff0c\u9020\u6210\u4e86\u6240\u8b02\u7684\u300c\u54ed\u81c9\u66f2\u7dda(cry-down)\u300d\u3002<\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u9019\u7a2e\u54ed\u3001\u7b11\u66f2\u7dda\u540c\u6642\u56b4\u91cd\u8b8a\u5f62\u6642\u5c31\u5f88\u6709\u6a5f\u6703\u5f62\u6210BGA\u540c\u6642\u51fa\u73fe\u77ed\u8def\u8207\u7a7a\u710a\u7684\u73fe\u8c61\uff0c\u53ea\u662f\u901a\u5e38\u90fd\u662f\u5169\u8005\u540c\u6642\u767c\u751f\u624d\u6bd4\u8f03\u5bb9\u6613\u51fa\u73fe\u9019\u6a23\u7684\u7684\u554f\u984c\u3002\u4e0b\u5716\u53ef\u4ee5\u5f88\u660e\u986f\u770b\u51fa\u4f86BGA\u7684\u7b11\u81c9\u8207\u5370\u5237\u96fb\u8def\u677f\u4e0a\u7684\u54ed\u81c9\u5f37\u70c8\u64e0\u58d3BGA\u7684\u710a\u7403\uff0c\u4ee5\u81f4\u5e7e\u4e4e\u77ed\u8def\u3002\u4e00\u822c\u4f86\u8aaa\uff0c\u53ef\u4ee5\u8003\u616e\u964d\u4f4e\u8ff4\u710a\u7210\u6607\u6eab\u7684\u659c\u7387\uff0c\u6216\u662f\u5c07BGA\u9810\u71b1\u70d8\u70e4\uff0c\u6d88\u9664\u5176\u71b1\u61c9\u529b\uff0c\u6216\u662f\u8981\u6c42BGA\u751f\u7522\u5546\u4f7f\u7528\u66f4\u9ad8\u7684Tg\u2026\u7b49\u65b9\u6cd5\u4f86\u514b\u670d\u3002<\/font><font size=\"3\"> <\/font><\/p>\n<p align=\"justify\"><font size=\"4\"> \u5efa\u8b70\u5ef6\u4f38\u95b1\u8b80\uff1a<a href=\"\/\/m.letratesoro.com\/2016\/08\/tg-glass-transition-temperature\/\">\u4f55\u8b02\u73bb\u7483\u8f49\u79fb\u6eab\u5ea6(Tg, Glass Transition Temperature)<\/a><\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u7684\u54ed\u3001\u7b11\u66f2\u7dda\u56b4\u91cd\u8b8a\u5f62\u6642\u5c31\u6703\u540c\u6642\u5f62\u6210BGA\u7684\u77ed\u8def\u8207\u7a7a\u710a\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA\u7684\u54ed\u3001\u7b11\u66f2\u7dda\u56b4\u91cd\u8b8a\u5f62\u6642\u5c31\u6703\u540c\u6642\u5f62\u6210BGA\u7684\u77ed\u8def\u8207\u7a7a\u710a\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/df2a008c9877_B23D\/BGA_short__open.jpg\" width=\"584\" height=\"56\" \/><\/p>\n<p><font size=\"4\">\u53e6\u5916\u4e00\u4e9bBGA\u7a7a\u710a\u7684\u53ef\u80fd\u539f\u56e0\u6709\uff1a<\/font><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\">\u96fb\u8def\u677f\u7684\u710a\u588a\u6216BGA\u932b\u7403\u6c27\u5316\u3002\u53e6\u5916\u5370\u5237\u96fb\u8def\u677f\u6216BGA\u9632\u6f6e\u4e0d\u7576\uff0c\u4e5f\u6703\u6709\u985e\u4f3c\u554f\u984c\u3002 <\/font><\/div>\n<\/li>\n<li><font size=\"4\">\u932b\u818f\u904e\u671f \u3002 <\/font><\/li>\n<li><font size=\"4\">\u932b\u818f\u5370\u5237\u4e0d\u8db3\u3002 <\/font><\/li>\n<li>\n<div align=\"justify\"><font size=\"4\">\u6eab\u5ea6\u66f2\u7dda\uff08profile\uff09\u8a2d\u5b9a\u4e0d\u826f\u3002\u5efa\u8b70\u5728\u767c\u751f<font size=\"4\">\u7a7a\u710a\u8655\u8981\u91cf\u6e2c\u7210\u6eab\u3002\u53e6\u5916\u6607\u6eab\u592a\u5feb\u7684\u6642\u5019\u4e5f\u6bd4\u8f03\u5bb9\u6613\u7522\u751f\u4e0a\u8ff0\u7684\u54ed\u3001\u7b11\u81c9\u7684\u554f\u984c\u3002 <\/font><\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\">\u8a2d\u8a08\u554f\u984c\u3002\u5982Via-in-pad(\u901a\u5b54\u5728\u588a)\u5c31\u6703\u9020\u6210\u932b\u818f\u6e1b\u5c11\uff0c\u5176\u5be6\u4e5f\u53ef\u80fd\u9020\u6210\u932b\u7403\u7a7a\u6d1e\uff0c\u5439\u6f32\u932b\u7403\u3002(\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font><a href=\"\/\/m.letratesoro.com\/2010\/11\/vias-in-pad\/\"><font size=\"4\">\u5c0e\u901a\u5b54\u5728\u588a(Vias-in-pad)\u7684\u8655\u7406\u539f\u5247<\/font><\/a><font size=\"4\">) <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\"><a href=\"\/\/m.letratesoro.com\/2012\/02\/bga-hip\/\" rel=\"noopener noreferrer\" target=\"_blank\">Head in Pillow\uff08\u6795\u982d\u6548\u61c9\uff09<\/a>\u3002\u6b64\u73fe\u8c61\u7d93\u5e38\u767c\u751f\u5728\u4e0a\u8ff0\u7684BGA\u8f09\u677f\u6216\u5370\u5237\u96fb\u8def\u677f\u7d93\u904e\u56de\u6d41\u710a\u6642\u8b8a\u5f62(deformation)\uff0c\u7576\u932b\u818f\u7194\u878d\u7684\u6642\u5019\uff0cBGA\u7684\u932b\u7403\u672a\u63a5\u89f8\u5230\u932b\u818f\uff0c\u5728\u51b7\u537b\u7684\u6642\u5019\uff0cBGA\u8f09\u677f\u53ca\u96fb\u8def\u677f\u7684\u8b8a\u5f62\u6e1b\u5c0f\uff0c\u932b\u7403\u56de\u843d\u63a5\u89f8\u5230\u5df2\u7d93\u56fa\u5316\u7684\u932b\u818f\u3002           <br \/><\/font><img loading=\"lazy\" decoding=\"async\" title=\"BGA head in pillow\uff08\u6795\u982d\u6548\u61c9\uff09\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA head in pillow\uff08\u6795\u982d\u6548\u61c9\uff09\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/df2a008c9877_B23D\/BGA_head_in_pillow.gif\" width=\"389\" height=\"221\" \/> <\/div>\n<\/li>\n<\/ul>\n<p align=\"justify\"><font size=\"4\">\u800c\u4e00\u822c\u5206\u6790BGA\u7a7a\u710a\u7684\u65b9\u6cd5\u4e0d\u5916\u4e4e\u4e0b\u5217\u5e7e\u7a2e\uff08\u8a73\u7d30\u53ef\u4ee5\u53c3\u8003\uff1a<a href=\"\/\/m.letratesoro.com\/2011\/02\/bga-ball-inspection-methods\/\">BGA\u932b\u7403\u7f3a\u9ede\u7684\u5e7e\u7a2e\u6aa2\u67e5\u65b9\u6cd5<\/a>\uff09\uff1a<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">1. \u7528\u986f\u5fae\u93e1\u6aa2\u67e5\u5916\u570d\u7684BGA\u932b\u7403\uff0c\u4e00\u822c\u5927\u6982\u53ea\u80fd\u770b\u6700\u5916\u570d\u7684\u4e00\u6392\u932b\u7403\uff0c\u5c31\u7b97\u4f7f\u7528fiber\u5149\u7e96\uff0c\u6700\u591a\u4e5f\u53ea\u80fd\u6aa2\u67e5\u5230\u6700\u5916\u908a\u7684\u4e09\u6392\uff0c\u800c\u4e14\u8d8a\u88e1\u9762\u770b\u5f97\u8d8a\u4e0d\u6e05\u695a\u3002<\/font><\/p>\n<p><font size=\"4\">2. X-Ray\u6aa2\u67e5\uff08\u5982\u679c\u53ef\u4ee5\u4f7f\u7528\u300c<a href=\"\/\/m.letratesoro.com\/2016\/06\/3d-x-ray-ct\/\" rel=\"noopener noreferrer\" target=\"_blank\">3D CT X-ray<\/a>\u300d\u6383\u63cf\u66f4\u597d\uff09\u30022D X-ray\u53ef\u4ee5\u6aa2\u67e5\u77ed\u8def\uff0c\u60f3\u6aa2\u67e5\u7a7a\u710a\u5c31\u5f97\u770b\u529f\u529b\u3002\u5982\u679c\u662f\u300c3D CT X-ray\u300d\u61c9\u8a72\u6709\u6a5f\u6703\u770b\u5230\u7a7a\u710a\uff0c\u53ea\u8981X-ray\u53ef\u4ee5\u5074\u500b\u89d2\u5ea6\u6aa2\u67e5HIP\u61c9\u8a72\u4e5f\u6c92\u6709\u554f\u984c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">3. <\/font><a href=\"\/\/m.letratesoro.com\/2010\/11\/red-dye-penetration-test\/\" rel=\"noopener noreferrer\" target=\"_blank\"><font size=\"4\">Red Dye Penetration (\u67d3\u7d05\u6e2c\u8a66)<\/font><\/a><font size=\"4\">\u3002\u9019\u662f\u7834\u58de\u6027\u6e2c\u8a66\uff0c\u975e\u5230\u4e0d\u5f97\u5df2\u4e0d\u7528\uff0c\u53ef\u4ee5\u770b\u51fa\u65b7\u88c2\u3001\u7a7a\u710a\u7684\u5730\u65b9\uff0c\u4f46\u9700\u8981\u7d30\u5fc3\u6709\u7d93\u9a57\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">4. \u5207\u7247\uff08cross section\uff09\u3002\u9019\u500b\u65b9\u6cd5\u4e5f\u662f\u7834\u58de\u6027\u6e2c\u8a66\uff0c\u800c\u4e14\u6bd4\u67d3\u7d05\u6e2c\u8a66\u66f4\u8cbb\u5de5\uff0c\u7b97\u662f\u5c07\u67d0\u4e00\u5340\u57df\u7279\u5225\u653e\u5927\u6aa2\u67e5\u3002<\/font><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>     <br \/><a href=\"\/\/m.letratesoro.com\/2011\/03\/bga-dropped\/\"><font size=\"4\">\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2010\/11\/dip-paste-in-hole\/\"><font size=\"4\">\u8b93\u901a\u5b54\u5143\u4ef6\/\u50b3\u7d71\u63d2\u4ef6\u4e5f\u8d70\u8ff4\u710a\u7210\u88fd\u7a0b(paste-in-hole)<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-profile\/\"><font size=\"4\">SMT\u56de\u6d41\u710a\u7684\u6eab\u5ea6\u66f2\u7dda(Reflow Profile)\u89e3\u8aaa\u8207\u6ce8\u610f\u4e8b\u9805<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u5728\u7db2\u8def\u4e0a\u6709\u770b\u904e\u4e00\u500b\u7db2\u53cb PO \u6587\u8aaa\u4ed6\u5011\u5bb6\u5728\u751f &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,3,4],"tags":[47,49,167,151],"aioseo_notices":[],"views":41927,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/1241"}],"collection":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/comments?post=1241"}],"version-history":[{"count":0,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/1241\/revisions"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=1241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=1241"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=1241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}