{"id":322,"date":"2010-08-26T09:48:56","date_gmt":"2010-08-26T01:48:56","guid":{"rendered":"\/\/m.letratesoro.com\/2010\/08\/bga-solder-skip-identification\/"},"modified":"2024-03-21T21:16:20","modified_gmt":"2024-03-21T13:16:20","slug":"bga-solder-skip-identification","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2010\/08\/bga-solder-skip-identification\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528[2D X-Ray]\u4f86\u5224\u65b7BGA\u6709\u5426\u7a7a\u710a\u3001\u865b\u710a\u3001\u96d9\u7403\u73fe\u8c61\uff1f"},"content":{"rendered":"<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u932b\u7403\u76f4\u5f91\u8b8a\u5927\uff0c\u8868\u793a\u710a\u932b\u7a7a\u710a(solder skip)\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"BGA\u932b\u7403\u76f4\u5f91\u8b8a\u5927\uff0c\u8868\u793a\u710a\u932b\u7a7a\u710a(solder skip)\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay02.jpg\" width=\"400\" height=\"277\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u4f60\u662f\u500bSMT\u5de5\u7a0b\u5e2b\uff0c\u90a3\u4f60\u4e00\u5b9a\u7528\u904eX-Ray\uff0c\u4e5f\u7528\u5b83\u770b\u904eBGA\u7684\u710a\u932b\u60c5\u6cc1\uff0c\u53ef\u662f\u4f60\u770b\u4f86\u770b\u53bb\u600e\u9ebc\u89ba\u5f97BGA\u7684\u710a\u7403(ball)\u90fd\u9577\u5f97\u4e00\u6a23\uff0c\u4f60\u662f<\/font><font style=\"background-color: rgb(255, 255, 0);\" size=\"4\">\u5982\u4f55\u5224\u65b7BGA\u6709\u6c92\u6709\u7a7a\u710a\u7684\u5462\uff1f<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6211\u5011\u4e00\u822c\u4eba\u4f7f\u7528X-Ray\u5927\u591a\u53ea\u80fd\u770b\u770b\u710a\u932b\u6709\u7121\u77ed\u8def(short)\u3001\u5c11\u932b\u3001\u6c23\u6ce1(void)\u7b49\u554f\u984c\uff0c\u4f46\u5982\u679c\u8981<\/font><font style=\"background-color: rgb(255, 255, 0);\" size=\"4\">\u7528X-ray\u4f86\u5224\u65b7BGA\u7684\u932b\u7403(ball)\u662f\u5426\u6709\u7a7a\u710a\u5c31\u6709\u9ede\u96e3\u5ea6<\/font><font size=\"4\">\uff0c\u7576\u7136\u9019\u88e1\u6307\u7684\u662f2D\u7684X-Ray\uff0c\u5176\u5be6\u5982\u679c\u53ef\u4ee5\u7d30\u5fc3\u4e00\u9ede\uff0c\u5176\u5be6\u9084\u662f\u53ef\u4ee5\u627e\u5230\u4e00\u4e9b\u86db\u7d72\u99ac\u8de1\u4f86\u5224\u65b7BGA\u932b\u7403\u662f\u5426\u6709\u7a7a\u710a\u5594\uff01<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e00\u822c\u4f86\u8aaaX-Ray\u7167\u51fa\u4f86\u7684\u5f71\u50cf\u90fd\u53ea\u662f\u7c21\u55ae\u76842D\u6295\u5f71\u756b\u9762\uff08\u4fef\u8996\u5716\uff09\uff0c\u7528\u5b83\u4f86\u6aa2\u67e5\u77ed\u8def(short)\u5f88\u5bb9\u6613\uff0c\u4f46\u60f3\u7528\u5b83\u4f86\u6aa2\u67e5\u7a7a\u710a\u53ef\u80fd\u5c31\u6703\u96e3\u5012\u4e0d\u5c11\u4eba\uff0c\u56e0\u70ba\u6bcf\u9846BGA\u7684\u932b\u7403\u770b\u8d77\u4f86\u5e7e\u4e4e\u90fd\u662f\u5713\u7684\uff0c\u5be6\u5728\u5f88\u96e3\u770b\u51fa\u4f86\u6709\u6c92\u6709\u7a7a\u710a\u6216\u865b\u710a\u554f\u984c\uff0c\u96d6\u7136\u8fd1\u5e74\u4f86\u4e5f\u6709\u865f\u7a31\u53ef\u4ee5\u7167\u51fa3D\u5f71\u50cf\u7684\u3010<a href=\"\/\/m.letratesoro.com\/2016\/06\/3d-x-ray-ct\/\" rel=\"noopener\" target=\"_blank\">3D X-Ray CT<\/a>\u3011\u78ba\u5be6\u53ef\u4ee5\u6aa2\u67e5\u51fa\u7a7a\u710a\u53ca<a title=\"SMT\u767c\u751fBGA\u6795\u982d\u6548\u61c9(head-in-pillow,HIP)\u7684\u53ef\u80fd\u539f\u56e0\u8207\u6a5f\u7406\" href=\"\/\/m.letratesoro.com\/2012\/02\/bga-hip\/\" target=\"_blank\" rel=\"noopener\">HIP\/HoP<\/a>\u865b\u710a\u7684\u7f3a\u9ede\uff0c<font size=\"4\">\u4f46\u662f3D X-ray\u8a2d\u5099\u6602\u8cb4\uff0c\u627e\u5be6\u9a57\u5ba4\u7167\u4e00\u6b21\u4e5f\u6240\u8cbb\u4e0d\u7725\uff01\u800c\u4e14\u6383\u63cf\u7684\u901f\u5ea6\u6162\uff0c\u518d\u8aaa\u80fd\u5426\u5982\u5546\u5bb6\u6240\u5ba3\u7a31\u7684\u90a3\u9ebc\u795e\u5947\uff0c\u5be6\u5728\u4e0d\u6562\u5984\u60f3\u3002<\/font><\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"center\"><font color=\"#c0504d\" size=\"4\"><strong>\u5de5\u4f5c\u718a\u9019\u88e1\u5206\u4eab\u5927\u5bb6\u4e00\u500b\u5c0f\u6487\u6b65\uff0c\u5982\u4f55\u7528\u50b3\u7d71\u76842D\u5e73\u9762X-Ray\u5f71\u50cf\u4f86\u5224\u65b7BGA\u932b\u7403\u662f\u5426\u6709\u7a7a\u710a\u3001\u865b\u710a\u3001HIp\/HoP\u554f\u984c\u3002<\/strong><\/font><\/p>\n<h4>\n<p><span style=\"color: rgb(0, 0, 255); font-size: medium;\"><font size=\"5\">\u4e00\u3001BGA\u932b\u7403\u8b8a\u5927\u9020\u6210\u7a7a\u710a<\/font><\/span><\/p>\n<\/h4>\n<p><font size=\"4\">\u9996\u5148\u60f3\u60f3\u540c\u4e00\u500bBGA\u7684\u932b\u7403\u61c9\u8a72\u90fd\u662f\u4e00\u6a23\u7684\u5927\u5c0f\uff0c\u5047\u8a2d\u5982\u679c\u540c\u4e00\u9846BGA\u4e2d\u6709\u67d0\u5e7e\u9846\u932b\u7403\u6709\u7a7a\u710a\uff0c\u800c\u5927\u90e8\u5206\u932b\u7403\u6c92\u6709\u7a7a\u710a\u7684\uff0c\u4f60\u8a8d\u70ba\u9019\u5169\u7a2e\u710a\u932b\u7684\u5f62\u72c0\u662f\u5426\u61c9\u8a72\u6703\u6709\u4e9b\u4e0d\u4e00\u6a23\u5462\uff1f\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u8a66\u60f3\u540c\u6a23\u9ad4\u7a4d\u7684\u932b\u7403\u7d93\u904e\u58d3\u7e2e\u5f8c\uff0c\u6b63\u5e38\u7684\u710a\u932b\u61c9\u8a72\u6703\u6709\u4e00\u90e8\u4efd\u932b\u7403\u7684\u932b\u5206\u6563\u5230PCB\u7684\u710a\u588a(pad)\u4e0a\u800c\u4f7f\u5f97\u710a\u7403\u76f4\u5f91\u8b8a\u5c0f\uff1b\u4f46\u662f\uff0c<span class=\"YELLOW_UNDERLINE\">\u6709\u7a7a\u710a\u7684\u932b\u7403\u5247\u4e0d\u6703\uff0c\u932b\u7403\u7d93\u904e\u58d3\u7e2e\u5f8c\u53cd\u800c\u6703\u4f7f\u932b\u7403\u76f4\u5f91\u8b8a\u5927<\/span>\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e0b\u5716\u8868\u793a\u540c\u6a23\u5927\u5c0f\u7684\u932b\u7403\u767c\u751f\u7a7a\u710a\u6642\uff0c\u932b\u7403\u7684\u76f4\u5f91\u53cd\u800c\u6703\u8b8a\u5927\uff0c\u7576\u7136\u6700\u597d\u6bd4\u8f03\u4e00\u4e0b\u6b63\u5e38\u677f\u5b50\u7684\u710a\u7403\u662f\u5426\u90fd\u4e00\u6a23\u5927\uff0c\u56e0\u70ba\u6709\u4e9b\u677f\u5b50\u7684\u8a2d\u8a08\u6703\u9020\u6210\u932b\u7403\u8b8a\u5f97\u6bd4\u8f03\u5c0f\uff0c\u5f8c\u9762\u6703\u518d\u8a73\u8ff0\u3002<\/font><\/p>\n<p><span style=\"font-size: medium;\"><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u540c\u6a23\u5927\u5c0f\u7684\u932b\u7403\u767c\u751f\u7a7a\u710a\u6642\uff0c\u932b\u7403\u7684\u76f4\u5f91\u53cd\u800c\u6703\u8b8a\u5927\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"BGA\u540c\u6a23\u5927\u5c0f\u7684\u932b\u7403\u767c\u751f\u7a7a\u710a\u6642\uff0c\u932b\u7403\u7684\u76f4\u5f91\u53cd\u800c\u6703\u8b8a\u5927\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay01.jpg\" width=\"400\" height=\"93\" \/><\/span><\/p>\n<p><span style=\"font-size: medium;\"><font size=\"4\">\u53e6\u5916\uff0c\u5de5\u4f5c\u718a\u4e5f\u8a8d\u70ba\u9019\u500b\u932b\u7403\u8b8a\u5927\u7684\u73fe\u8c61\u8207<\/font><a href=\"\/\/m.letratesoro.com\/2012\/02\/bga-hip\/\" rel=\"noopener\" target=\"_blank\"><font size=\"4\">HIP(Head In Pillow\uff0c\u6795\u982d\u6548\u61c9)<\/font><\/a>\u53ca<a href=\"\/\/m.letratesoro.com\/2016\/04\/bga-nwo\/\" rel=\"noopener\" target=\"_blank\">NWO(Non-Wet-Open)<\/a><font size=\"4\">\u4e0d\u826f\u73fe\u8c61\u6709\u975e\u5e38\u9ad8\u7684\u6b63\u76f8\u95dc\uff0c\u4e0d\u904e\u4e00\u822c\u7684HIP\u53caNWO\u90fd\u5f88\u96e3\u7528\u4e8c\u7dad(2D)\u7684X-Ray\u6aa2\u67e5\u51fa\u4f86\uff0c\u56e0\u70ba\u5176BGA\u7403\u5f62\u7684\u5927\u5c0f\u8b8a\u5316\u4e0d\u5927\u3002<\/font><\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: medium;\"><font size=\"4\">\u25bc\u4e0b\u5716\u70ba\u5be6\u969b\u7684\u4f8b\u5b50\u8aaa\u660e\u932b\u7403\u76f4\u5f91\u8b8a\u5927\uff0c\u8868\u793a\u710a\u932b\u7a7a\u710a(solder skip)\u6216\u9700\u710a\u3002<\/font>       <br \/><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u932b\u7403\u76f4\u5f91\u8b8a\u5927\uff0c\u8868\u793a\u710a\u932b\u7a7a\u710a(solder skip)\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"BGA\u932b\u7403\u76f4\u5f91\u8b8a\u5927\uff0c\u8868\u793a\u710a\u932b\u7a7a\u710a(solder skip)\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay02.jpg\" width=\"400\" height=\"277\" \/> <\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: medium;\"><font size=\"4\">\u25bc\u5f9e\u4e0b\u9762\u9019\u5f35X-Ray\u7684\u5716\u7247\uff0c\u4f60\u53ef\u4ee5\u770b\u5f97\u51fa\u4f86\u54ea\u4e00\u9846BGA\u932b\u7403\u7a7a\u710a\u4e86\u55ce\uff1f\u63d0\u793a\uff1a\u53ef\u4ee5\u904b\u7528\u4e00\u4e0b\u4e0a\u9762\u6559\u7d66\u4f60\u7684\u65b9\u6cd5\uff5e<\/font><\/span>     <br \/><span style=\"font-size: medium;\"><img loading=\"lazy\" decoding=\"async\" title=\"\u4f60\u53ef\u4ee5\u770b\u5f97\u51fa\u4f86\u54ea\u4e00\u9846BGA\u932b\u7403\u7a7a\u710a\u4e86\u55ce\uff1f\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"\u4f60\u53ef\u4ee5\u770b\u5f97\u51fa\u4f86\u54ea\u4e00\u9846BGA\u932b\u7403\u7a7a\u710a\u4e86\u55ce\uff1f\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay03.jpg\" width=\"348\" height=\"348\" \/><\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: medium;\"><font size=\"4\">\u25bc\u73fe\u5728\u5de5\u4f5c\u718a\u5e6b\u4f60\u756b\u5e7e\u689d\u76f4\u7dda\u4f60\u518d\u770b\u770b\u662f\u5426\u6709\u767c\u73fe\u90a3\u4e00\u9846BGA\u7684\u932b\u7403\u6bd4\u8f03\u5927\uff0c\u6709\u7a7a\u710a\u7684\u53ef\u80fd\uff1f\u518d\u56de\u53bb\u770b\u4e00\u4e0b\u4e0a\u9762\u90a3\u5f35\u5716\uff0c\u78ba\u8a8d\u770b\u770b\u4f60\u6c92\u6709\u770b\u8d70\u773c\u3002\u5176\u5be6\u771f\u7684\u5c31\u53ea\u5dee\u90a3\u9ebc\u4e00\u9ede\u9ede\uff01<\/font><\/span><\/p>\n<p><span style=\"font-size: medium;\"><img loading=\"lazy\" decoding=\"async\" title=\"\u73fe\u5728\u6211\u756b\u5e7e\u689d\u76f4\u7dda\u4f60\u518d\u770b\u770b\u662f\u5426\u6709\u767c\u73fe\u90a3\u4e00\u9846BGA\u7684\u932b\u7403\u6bd4\u8f03\u5927\uff0c\u6709\u7a7a\u710a\u7684\u53ef\u80fd\uff1f\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"\u73fe\u5728\u6211\u756b\u5e7e\u689d\u76f4\u7dda\u4f60\u518d\u770b\u770b\u662f\u5426\u6709\u767c\u73fe\u90a3\u4e00\u9846BGA\u7684\u932b\u7403\u6bd4\u8f03\u5927\uff0c\u6709\u7a7a\u710a\u7684\u53ef\u80fd\uff1f\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay04.jpg\" width=\"400\" height=\"298\" \/><\/span><\/p>\n<p><font size=\"4\">\u9084\u4e0d\u904e\u766e\u55ce\uff0c\u9019\u88e1\u6709\u500b\u7df4\u7fd2\u984c\uff0c\u53ef\u4ee5\u8b93\u4f60\u89aa\u81ea\u9ad4\u9a57\u4e00\u4e0b\u300c<a href=\"\/\/m.letratesoro.com\/2015\/10\/x-ray-bga-soldering-fail\/\" rel=\"noopener\" target=\"_blank\">\u5982\u4f55\u75282D\u7684X-Ray\u5be6\u4f8b\u6f14\u7df4\u6aa2\u67e5BGA\u7a7a\u710a\u554f\u984c<\/a>\u300d\u3002<\/font><\/p>\n<p><font size=\"4\">\u63d0\u9192\u4e00\u4e0b\uff0c\u9019\u500b\u65b9\u6cd5\u7121\u6cd5\u7528\u4f86\u6aa2\u67e5BGA\u932b\u7403\u56e0\u70ba\u61c9\u529b\u885d\u64ca\u800c\u65b7\u88c2\u7684\u60c5\u6cc1\uff0c\u56e0\u70ba\u9019\u985eBGA\u901a\u5e38\u662f\u710a\u63a5\u826f\u597d\u7684\u677f\u5b50\u7d93\u904e\u61c9\u529b\u885d\u64ca\u800c\u7834\u88c2\uff0c\u7121\u6cd5\u6bd4\u8f03\u5176\u932b\u7403\u5927\u5c0f\u4f86\u627e\u51fa\u554f\u984c\u3002<\/font><\/p>\n<h4>\n<p><span style=\"color: rgb(0, 0, 255);\"><font size=\"5\">\u4e8c\u3001\u5c0e\u901a\u5b54(vias)\u5c0e\u81f3\u932b\u91cf\u4e0d\u8db3\u7684\u7a7a\u710a<\/font><\/span><\/p>\n<\/h4>\n<p align=\"justify\"><span style=\"font-size: medium;\"><font size=\"4\"><span class=\"UNDER2\">\u53e6\u5916\u4e00\u7a2eBGA\u7a7a\u710a\u73fe\u8c61\u662f<strong><span style=\"color: rgb(255, 0, 255);\">\u932b\u91cf\u4e0d\u8db3<\/span><\/strong><\/span>\u9020\u6210\u7684\uff0c\u9019\u7a2e\u73fe\u8c61\u901a\u5e38\u767c\u751f\u5728\u710a\u588a\u6709\u5c0e\u901a\u5b54(via)\u7684\u6642\u5019\uff0c\u56e0\u70ba\u932b\u7403\u6d41\u7d93\u56de\u6d41\u710a(Reflow)\u6642\uff0c\u90e8\u5206\u7684\u932b\u6703\u56e0\u70ba<a href=\"\/\/m.letratesoro.com\/2021\/11\/capillary-siphon\/\" rel=\"noopener\" target=\"_blank\">\u6bdb\u7d30\u73fe\u8c61(wicking)<\/a>\u6d41\u9032\u5c0e\u901a\u5b54(via)\u800c\u9020\u6210\u932b\u91cf\u4e0d\u8db3\uff0c\u6709\u6642\u5019\u65e2\u4f7f\u5c0e\u901a\u5b54\u5df2\u8a2d\u8a08\u5728\u710a\u588a\u65c1\u4f46\u672a\u59cb\u7528\u9632\u710a\u9694\u7d55\u4e5f\u6703\u9020\u6210\u9019\u6a23\u7684\u554f\u984c\u3002\u9019\u6642\u5019\u5f9eX-Ray\u4e0a\u770b\u51fa\u4f86\u7684\u7403\u9ad4\u5c31\u6703\u8b8a\u5c0f\uff0c\u932b\u91cf\u88ab\u5c0e\u901a\u5b54\u5403\u6389\u592a\u591a\u5c31\u6703\u9020\u6210\u7a7a\u710a\u3002\u901a\u5e38\u6211\u5011\u4e0d\u5efa\u8b70\u5c07\u5c0e\u901a\u5b54\u8a2d\u8a08\u5728\u710a\u588a\u4e0a\uff0c\u800c\u710a\u588a\u65c1\u7684\u5c0e\u901a\u5b54\u4e5f\u8981\u7528\u7da0\u6f06(solder mask)\u84cb\u8d77\u4f86\uff0c\u4ee5\u5f8c\u6703\u8a0e\u8ad6\u5c0e\u901a\u5b54\u5728\u588a(via in pad)\u7684\u7f3a\u9ede\u53ca\u88dc\u6551\u8fa6\u6cd5\u3002<\/font> <\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: medium;\"><font size=\"4\">\u76f8\u95dc\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font><a href=\"\/\/m.letratesoro.com\/2010\/11\/vias-in-pad\/\" rel=\"noopener\" target=\"_blank\"><font size=\"4\">\u5c0e\u901a\u5b54\u5728\u588a(Vias-in-pad)\u7684\u7f3a\u9ede\u53ca\u8655\u7406\u539f\u5247<\/font><\/a><\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: medium;\"><font size=\"4\"> \u6709\u4e9bvia-in-pad\u6216via-on-pad\u96d6\u7136\u6709\u96fb\u934d\u586b\u5b54\uff0c\u4f46\u662f\u586b\u5b54\u5f8c\u7684dimple\u592a\u6df1\uff0c\u4e5f\u6703\u9020\u6210\u985e\u4f3c\u554f\u984c\u3002<\/font>       <br \/><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u7a7a\u710a\uff0c\u5c0e\u901a\u5b54(via)\u9023\u63a5\u710a\u588a\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"BGA\u7a7a\u710a\uff0c\u5c0e\u901a\u5b54(via)\u9023\u63a5\u710a\u588a\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay05.jpg\" width=\"321\" height=\"261\" \/><\/span><\/p>\n<p align=\"justify\"><font size=\"4\">\u25bc\u9019\u662f\u5c0e\u901a\u5b54(via)\u64fa\u5728\u710a\u588a\u65c1(solder pad)\u7684\u4e0d\u826f\u8a2d\u8a08\uff0c\u9019\u7a2e\u8a2d\u8a08\u710a\u932b\u975e\u5e38\u5bb9\u6613\u8b93\u7194\u878d\u7684\u6db2\u614b\u932b\u6d41\u9032\u901a\u5b54\u800c\u9020\u6210\u932b\u91cf\u4e0d\u8db3\u7684\u7a7a\u710a\u73fe\u8c61\u3002<\/font>     <br \/><img loading=\"lazy\" decoding=\"async\" title=\"\u9019\u662f\u5c0e\u901a\u5b54(via)\u64fa\u5728\u710a\u588a\u65c1(solder pad)\u7684\u4e0d\u826f\u8a2d\u8a08\uff0c\u9019\u7a2e\u8a2d\u8a08\u710a\u932b\u975e\u5e38\u5bb9\u6613\u6d41\u9032\u901a\u5b54\u800c\u9020\u6210\u932b\u91cf\u4e0d\u8db3\u7684\u7a7a\u710a\u73fe\u8c61\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"\u9019\u662f\u5c0e\u901a\u5b54(via)\u64fa\u5728\u710a\u588a\u65c1(solder pad)\u7684\u4e0d\u826f\u8a2d\u8a08\uff0c\u9019\u7a2e\u8a2d\u8a08\u710a\u932b\u975e\u5e38\u5bb9\u6613\u6d41\u9032\u901a\u5b54\u800c\u9020\u6210\u932b\u91cf\u4e0d\u8db3\u7684\u7a7a\u710a\u73fe\u8c61\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay06.jpg\" width=\"400\" height=\"222\" \/><\/p>\n<h4>\n<p><span style=\"color: rgb(0, 0, 255);\"><font size=\"5\">\u4e09\u3001\u932b\u7403\u5167\u6709\u6c23\u6ce1\u7522\u751f\u7a7a\u710a<\/font><\/span><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">\u9084\u6709\u4e00\u7a2eBGA\u7a7a\u710a\u5f62\u6210\u7684\u539f\u56e0\u662f\u932b\u7403\u4e2d\u6709\u6c23\u6ce1(voids)\uff0c\u6839\u64daIPC7095 7.4.1.6\u7684\u898f\u7bc4\uff0c<strike>\u4e00\u822c\u96fb\u5b50\u696d\u9069\u7528\u65bc Class 1 \uff0c\u5176\u6240\u6709\u6c23\u6ce1\u7684\u5b54\u76f4\u5f91\u52a0\u8d77\u4f86\uff0c\u4e0d\u53ef\u4ee5\u8d85\u904eBGA\u76f4\u5f91\u768460%\u3002 \u5982\u679c\u6c23\u6ce1\u592a\u5927\u5c31\u6703\u9020\u6210\u7a7a\u710a\u6216\u710a\u932b\u65b7\u88c2\u7684\u73fe\u8c61\u3002(2010\/11\/22\u66f4\u6b63\uff0c\u4e00\u822c\u96fb\u5b50\u7522\u54c1\u61c9\u9069\u7528\u65bcClass 1\uff0c\u800c\u975eClass 3\uff0c\u53e6\u65b0\u589e\u5404\u7a2e\u7b49\u7d1a\u7684\u89e3\u91cb)<\/strike><\/font><\/p>\n<ul>\n<li><strike><span style=\"font-size: medium;\">Class 1\uff1a\u9069\u7528\u65bc\u4e00\u822c\u6d88\u8cbb\u6027\u96fb\u5b50\u7522\u54c1\u3002BGA\u7684\u6c23\u6ce1\u8981\u6c42\u8981\u4e0d\u5f97\u5927\u65bc60\uff05(\u76f4\u5f91)\u621636\uff05(\u9762\u7a4d)\u3002<\/span> <\/strike><\/li>\n<li><strike><span style=\"font-size: medium;\">Class 2\uff1a\u9069\u7528\u65bc\u5546\u696d\/\u5de5\u696d\u7528\u7684\u96fb\u5b50\u7522\u54c1\u3002<\/span>BGA\u7684\u6c23\u6ce1\u8981\u6c42\u8981\u4e0d\u5f97\u5927\u65bc42\uff05(\u76f4\u5f91)\u621620.25\uff05(\u9762\u7a4d)\u3002<\/strike><\/li>\n<li><strike><span style=\"font-size: medium;\">Class 3\uff1a\u9069\u7528\u65bc\u8ecd\u7528\/\u91ab\u7642\u7528\u7684\u96fb\u5b50\u7522\u54c1\u3002<\/span>BGA\u7684\u6c23\u6ce1\u8981\u6c42\u8981\u4e0d\u5f97\u5927\u65bc30\uff05(\u76f4\u5f91)\u62169\uff05(\u9762\u7a4d)\u3002<\/strike><\/li>\n<li>\n<div align=\"justify\"><font color=\"#9b00d3\" size=\"4\"><strong>2012-Jul-01\u66f4\u65b0\uff1a\u6839\u64da IPC-7095B 7.5.1.7\u898f\u683c\u66f4\u65b0\uff0c\u73fe\u5728BGA\u932b\u7403\u5167\u7684\u6c23\u6ce1\u6a19\u6e96\u7d71\u4e00\u8981\u6c42\u8981\u4e0d\u5f97\u5927\u65bc25%(\u76f4\u5f91)\u62166.25%(\u9762\u7a4d)\u3002<\/strong><\/font> <\/div>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"BGA_XRay07\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"BGA_XRay07\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay07.jpg\" width=\"400\" height=\"173\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u25bc\u932b\u7403\u6c23\u6ce1\u5927\u5230\u8db3\u4ee5\u5f71\u97ff\u710a\u63a5\u7684\u54c1\u8cea\uff0c\u4e0b\u5716\u662f\u932b\u7403\u5207\u7247\u5f8c\u7684\u5256\u9762\uff0c\u53ef\u4ee5\u5f88\u660e\u986f\u770b\u5230\u6c23\u6ce1\u5df2\u7d93\u6709\u932b\u7403\u7684 1\/3 \u5927\u4e86\u3002<\/font>     <br \/><img loading=\"lazy\" decoding=\"async\" title=\"\u932b\u7403\u6c23\u6ce1\u5927\u5230\u8db3\u4ee5\u5f71\u97ff\u5230\u710a\u63a5\u7684\u54c1\u8cea\uff0c\u4e0b\u5716\u662f\u932b\u7403\u5207\u7247\u5f8c\u7684\u5256\u9762\uff0c\u53ef\u4ee5\u5f88\u660e\u986f\u770b\u5230\u6c23\u6ce1\u5df2\u7d93\u6709\u932b\u7403\u7684 1\/3 \u5927\u4e86\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"\u932b\u7403\u6c23\u6ce1\u5927\u5230\u8db3\u4ee5\u5f71\u97ff\u5230\u710a\u63a5\u7684\u54c1\u8cea\uff0c\u4e0b\u5716\u662f\u932b\u7403\u5207\u7247\u5f8c\u7684\u5256\u9762\uff0c\u53ef\u4ee5\u5f88\u660e\u986f\u770b\u5230\u6c23\u6ce1\u5df2\u7d93\u6709\u932b\u7403\u7684 1\/3 \u5927\u4e86\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay08.jpg\" width=\"384\" height=\"280\" \/><\/p>\n<p><span style=\"font-size: medium;\"><font size=\"4\">\u25bc\u9019\u662f\u7531X-Ray\u7167\u51fa\u4f86\u7684\u932b\u7403\u6c23\u6ce1\uff0c\u6709\u4e9b\u6c23\u6ce1\u5df2\u7d93\u5927\u5230 0.5d \u4e86\u3002        <br \/><\/font><img loading=\"lazy\" decoding=\"async\" title=\"BGA_XRay09\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"BGA_XRay09\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/08\/BGA_XRay09.jpg\" width=\"283\" height=\"268\" \/><\/span><\/p>\n<hr \/>\n<p><font size=\"4\">\u76f8\u95dc\u95b1\u8b80\uff1a    <br \/><a href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-carrier\/\"><font size=\"4\">\u5408\u6210\u77f3\u904e\u7210\u6258\u76e4(Reflow carrier)<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-profile\/\"><font size=\"4\">\u8ff4\u6d41\u710a\u7684\u6eab\u5ea6\u66f2\u7dda Reflow Profile<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2016\/11\/red-dye-bga-crack\/\">\u5982\u4f55\u5f9e\u7d05\u58a8\u6c34\u6e2c\u8a66\u4e2d\u5224\u65b7BGA\u958b\u88c2\u7684\u4e0d\u826f\u539f\u56e0<\/a><\/font>&#160; <br \/><a href=\"\/\/m.letratesoro.com\/2010\/08\/ipc-jedec-j-std-20-msl-classifications\/\"><font size=\"4\">Moisture Sensitivity Levels (MSL)\u6fd5\u5ea6\u654f\u611f\u7b49\u7d1a\u89e3\u8aaa<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u4f60\u662f\u500bSMT\u5de5\u7a0b\u5e2b\uff0c\u90a3\u4f60\u4e00\u5b9a\u7528\u904eX-Ray\uff0c &#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],"aioseo_notices":[],"views":190047,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/322"}],"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=322"}],"version-history":[{"count":4,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/322\/revisions"}],"predecessor-version":[{"id":11238,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/322\/revisions\/11238"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=322"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}