{"id":9473,"date":"2021-08-18T08:16:00","date_gmt":"2021-08-18T00:16:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=9473"},"modified":"2021-08-20T10:54:39","modified_gmt":"2021-08-20T02:54:39","slug":"bga-tc-solve-hop","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2021\/08\/bga-tc-solve-hop\/","title":{"rendered":"\u5584\u7528\u6e2c\u6eab\u9ede\u7ba1\u63a7LTD\u89e3\u6c7aBGA\u7684HIP\/HoP\u96d9\u7403\u6795\u982d\u6548\u61c9\u53caNWO\u865b\u710a"},"content":{"rendered":"<p align=\"center\"><img decoding=\"async\" title=\"IPC-7530\u5efa\u8b70\u8981\u9032\u4e00\u6b65\u7ba1\u63a7\u6574\u500bBGA\u5e95\u4e0b\u6240\u6709\u932b\u7403\u7684\u878d\u932b\u6642\u9593\u524d\u5f8c\u5dee\u8ddd\u4e0d\u53ef\u8d85\u904e2\u79d2\u9418\uff0c\u4e5f\u5c31\u662f\u6240\u8b02\u7684\u3010LTD (Liquidus Time Delay) &lt; 2sec\u3011\u3002\" alt=\"\u5584\u7528\u6e2c\u6eab\u9ede\u89e3\u6c7aBGA\u7684HIP\/HoP\u96d9\u7403\u6795\u982d\u6548\u61c9\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2021\/04\/True_TAL.png\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u56e0\u70ba\u73fe\u5728\u5f88\u591aBGA\u5c01\u88dd\u90fd\u662fPBGA (Plastic Ball Grid Array) \uff0c\u5b83\u5011\u4f7f\u7528\u74b0\u6c27\u6a39\u8102\u6750\u6599\u4f86\u5c01\u88dd\u5176\u5916\u578b\uff0c\u800c\u8f09\u677f\u5247\u4f7f\u7528BT\u6a39\u8102\u6216ABF (Ajinomoto Build-up Film) \u7576\u57fa\u6750\uff0c\u9019\u4e9b\u57fa\u6750\u7684<a title=\"\u4f55\u8b02\u73bb\u7483\u8f49\u79fb\u6eab\u5ea6(Tg, Glass Transition Temperature)\" href=\"\/\/m.letratesoro.com\/2016\/08\/tg-glass-transition-temperature\/\" target=\"_blank\" rel=\"noopener\">Tg\u503c<\/a>\u90fd\u4e0d\u6703\u8d85\u904e200\u00b0C\uff0c\u800c\u73fe\u5728\u7121\u925b\u7684\u56de\u710a\u5340\u6eab\u5ea6\u4e00\u822c\u90fd\u5728220\u00b0C\u4ee5\u4e0a\uff0c\u4e5f\u5c31\u662f\u8aaa\u56de\u710a\u6642PBGA\u53ef\u80fd\u51fa\u73fe\u8edf\u5316\uff0c\u5982\u679c\u518d\u52a0\u4e0a\u672c\u9ad4\u6eab\u5ea6\u5206\u4f48\u4e0d\u5747\u52fb\u5c31\u975e\u5e38\u5bb9\u6613\u767c\u751f\u8b8a\u5f62\u7ff9\u66f2\uff0c\u6700\u7d42\u9020\u6210HoP\/HIP\u710a\u932b\u4e0d\u826f\u3002<\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><font size=\"4\">\u70ba\u4e86\u907f\u514d\u767c\u751fHoP\/HIP\u7684\u710a\u932b\u554f\u984c\uff0cIPC-7530\u5efa\u8b70\u8981\u5728\u540c\u4e00\u9846\u6709\u7591\u616eBGA\u7684\u4e0d\u540c\u4f4d\u7f6e\u653e\u7f6e\u6e2c\u6eab\u9ede\uff0c\u5206\u5225\u70ba\uff1a<\/font><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\">\u672c\u9ad4\u4e0a\u65b9\u6b63\u9762\uff08live-bug orientation\uff09\u6b63\u4e2d\u9593\u8868\u9762\u9644\u8fd1\u653e\u7f6e\u4e00\u500b\u6e2c\u6eab\u9ede\u3002<\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\">\u672c\u9ad4\u4e0b\u65b9\u80cc\u9762\uff08dead-bug orientation\uff09\u6b63\u4e2d\u9593(inner ball)\u53ca\u6700\u5916\u570d(outer ball)\u9644\u8fd1\u7684\u932b\u7403\u8655\u5404\u653e\u7f6e\u4e00\u500b\u6e2c\u6eab\u9ede\u3002BGA\u4e0b\u65b9\u7684\u6e2c\u6eab\u9ede\u5fc5\u9808\u5f9ePCB\u80cc\u9762\u947d\u5b54\u57cb\u7dda\u81f3\u60f3\u8981\u91cf\u6e2c\u7684\u932b\u7403\u710a\u9ede\u8655\u3002<\/font><\/div>\n<\/li>\n<\/ul>\n<p align=\"center\"><font size=\"4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2021\/04\/thermalcouple_at_BGA_inner_outer_ball.png\" \/><\/font><\/p>\n<p align=\"center\"><em><font color=\"#ff0000\">\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/em><\/p>\n<p align=\"justify\"><font size=\"4\">IPC-7530\u66f4\u5efa\u8b70\u8981\u9032\u4e00\u6b65\u7ba1\u63a7\u6574\u500bBGA\u5e95\u4e0b\u6240\u6709\u932b\u7403\u7684\u878d\u932b\u6642\u9593\u524d\u5f8c\u5dee\u8ddd\u4e0d\u53ef\u8d85\u904e2\u79d2\u9418\uff0c\u4e5f\u5c31\u662f\u6240\u8b02\u7684\u3010<strong><font style=\"background-color: rgb(255, 255, 0);\" color=\"#0000ff\">LTD (Liquidus Time Delay) &lt; 2sec<\/font><\/strong>\u3011\u3002\u4e00\u822c\u4f86\u8aaa\u8d8a\u9760\u8fd1\u96f6\u4ef6\u4e2d\u5fc3\u7684\u932b\u7403(inner ball)\u56e0\u70ba\u53d7\u672c\u9ad4\u963b\u64cb\u71b1\u6e90\uff0c\u5438\u71b1\u5347\u6eab\u7684\u901f\u5ea6\u4e5f\u5c31\u8d8a\u6162\uff0c\u800c\u8d8a\u5916\u570d\u7684\u932b\u7403(outer ball)\u53ef\u4ee5\u76f4\u63a5\u5438\u6536\u5230\u56de\u710a\u7210\u71b1\u98a8\u6e90\uff0c\u6240\u4ee5\u5347\u6eab\u7684\u901f\u5ea6\u5247\u6703\u6bd4\u8f03\u5feb\u3002\u7576BGA\u7684\u932b\u7403\u5206\u4f48\u51fa\u73fe\u878d\u932b\u592a\u5927\u6642\u9593\u4e0d\u4e00\u81f4\u6642\uff0c\u672c\u9ad4\u5c31\u5bb9\u6613\u5f80\u5df2\u7d93\u5148\u878d\u932b\u7684\u4e00\u7aef\u50be\u659c\uff0c\u9019\u8207\u96fb\u963b\u96fb\u5bb9<a title=\"\u96fb\u963b\u96fb\u5bb9\u5c0f\u96f6\u4ef6\u767c\u751f\u7a7a\u710a\u53ca\u7acb\u7891(\u5893\u7891\u6548\u61c9)\u7684\u539f\u56e0\" href=\"\/\/m.letratesoro.com\/2014\/02\/solder-tombstone\/\" target=\"_blank\" rel=\"noopener\">\u7acb\u7891<\/a>\u539f\u56e0\u4e00\u7aef\u62c9\u529b\u904e\u5927\u985e\u4f3c\uff0c\u6700\u7d42\u6703\u9020\u6210\u6795\u982d\u6548\u61c9(HoP\/HIP)\u3002<\/font><\/p>\n<p align=\"justify\"><img decoding=\"async\" style=\"margin: 5px 10px 0px 0px; float: left; display: inline;\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/head-in-pillow_B78F\/HIP-_7.jpg\" align=\"left\" \/><font size=\"4\">\u4e0d\u904e\u5de5\u4f5c\u718a\u500b\u4eba\u5efa\u8b70\uff0c\u4e0d\u53ea\u8981\u7ba1\u63a7\u932b\u7403\u7684\u300c\u878d\u932b\u6642\u9593\u5dee(LTD)\u300d\uff0c\u66f4\u8981\u9806\u4fbf\u7ba1\u63a7\u5176\u300c\u56fa\u5316\u6642\u9593\u5dee(STD, Solidus Time Delay)\u300d\uff0c\u5176\u5be6\u53ea\u8981\u7a0d\u52a0\u6ce8\u610f\u8abf\u6574\u56de\u710a\u7210\u6eab\u5ea6\u7684\u8a2d\u5b9a\u689d\u4ef6\u5169\u8005\u5c31\u53ef\u4ee5\u540c\u6642\u5f97\u5230\u6539\u5584\uff0c\u4f55\u6a02\u4e0d\u70ba\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u662f\u5de5\u4f5c\u718a\u500b\u4eba\u7684\u7d93\u9a57\uff0c\u5c31<font style=\"background-color: rgb(255, 255, 0);\">BGA\u7684\u710a\u932b\u4f86\u8aaaSTD\u6709\u6642\u5019\u6bd4LTD\u5c0dHop\/HIP\u53caNWO\u7684\u5f71\u97ff\u66f4\u751a<\/font>\uff0cLTD\u592a\u9577\u96d6\u7136\u6703\u8b93BGA\u672c\u9ad4\u50be\u659c\uff0c\u4f46\u53ea\u8981\u300c\u771f\u6b63\u878d\u932b\u6642\u9593(True TAL)\u300d\u5920\u9577\uff0c\u50be\u659c\u662f\u6709\u6a5f\u6703\u53ef\u4ee5\u5f97\u5230\u5e73\u8861\u56de\u5fa9\u7684\uff0c\u4f46\u5982\u679cSTD\u6642\u9593\u592a\u9577\uff0cBGA\u672c\u9ad4\u5c31\u53ef\u80fd\u518d\u6b21\u50be\u659c\uff0c\u800c\u5f8c\u7e8c\u5df2\u7d93\u6c92\u6709\u9ad8\u6eab\u5340\u53ef\u4ee5\u518d\u8a02\u6b63\u9019\u7a2e\u50be\u659c\u4e86\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5efa\u8b70\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>     <br \/><a href=\"\/\/m.letratesoro.com\/2012\/02\/bga-hip\/\" target=\"_blank\" rel=\"noopener\"><font size=\"4\">BGA\u6795\u982d\u6548\u61c9(head-in-pillow,HIP)\u767c\u751f\u7684\u53ef\u80fd\u539f\u56e0\u8207\u6a5f\u7406<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2016\/04\/bga-nwo\/\" target=\"_blank\" rel=\"noopener\"><font size=\"4\">BGA\u865b\u710aNWO(Non-Wet-Open)\u5f62\u6210\u7684\u539f\u56e0\u53ca\u53ef\u80fd\u89e3\u6c7a\u65b9\u6cd5<\/font><\/a><\/p>\n<p align=\"center\"><font size=\"4\"><img decoding=\"async\" title=\"NWO(Non-Wet-Open)\u8207HIP(Head-In-Pillow)\u6216HoP(Head-of-Pillow)\u5728SMT\u7684Reflow\u6eab\u5ea6\u66f2\u7dda\u4e0b\u5f62\u6210\u7684\u539f\u56e0\u7a0d\u5fae\u505a\u4e86\u89e3\u91cb\uff0c\u57fa\u672c\u4e0a\u5169\u8005\u90fd\u662f\u56e0\u70ba\u677f\u6750\u8b8a\u5f62\u6240\u81f4\uff0c\u53ea\u662fHIP\u7684\u932b\u818f\u6703\u4fdd\u7559\u5728\u96fb\u8def\u677f\u7684\u710a\u588a\u4e0a\uff0c\u4f46NWO\u5247\u5b8c\u5168\u8f49\u79fb\u5230\u4e86\u932b\u7403\u3002\" alt=\"NWO(Non-Wet-Open)\u8207HIP(Head-In-Pillow)\u6216HoP(Head-of-Pillow)\u5728SMT\u7684Reflow\u6eab\u5ea6\u66f2\u7dda\u4e0b\u5f62\u6210\u7684\u539f\u56e0\u7a0d\u5fae\u505a\u4e86\u89e3\u91cb\uff0c\u57fa\u672c\u4e0a\u5169\u8005\u90fd\u662f\u56e0\u70ba\u677f\u6750\u8b8a\u5f62\u6240\u81f4\uff0c\u53ea\u662fHIP\u7684\u932b\u818f\u6703\u4fdd\u7559\u5728\u96fb\u8def\u677f\u7684\u710a\u588a\u4e0a\uff0c\u4f46NWO\u5247\u5b8c\u5168\u8f49\u79fb\u5230\u4e86\u932b\u7403\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Forming-SMT-reflow-defects-HIP-HoP-NWO-1.png\" \/><\/font><\/p>\n<p align=\"center\"><font size=\"4\">\u4e0b\u4e00\u7bc7\u6587\u7ae0\u5c07\u6703\u63a2\u8a0e\u300a\u5982\u4f55\u5728SMT\u6e2c\u6eab\u677f\u4e0a\u6b63\u78ba\u57cb\u8a2dBGA\u932b\u7403\u7684\u6e2c\u6eab\u7dda?\u300b\u8b70\u984c\u3002<\/font><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>   <br \/><a href=\"\/\/m.letratesoro.com\/2021\/06\/bare-profile-board\/\"><font size=\"4\">\u53ef\u4ee5\u7528\u7a7a\u677f\u4f86\u88fd\u4f5c\u56de\u710a\u6e2c\u6eab\u677f(profile board)\u55ce\uff1f<\/font><\/a>   <br \/><a href=\"\/\/m.letratesoro.com\/2021\/06\/thermocouple\/\"><font size=\"4\">\u77ad\u89e3\u71b1\u96fb\u5076(thermocouple)\u3001\u6e2c\u6eab\u7dda\u3001\u611f\u6eab\u7dda\u7684\u57fa\u672c\u539f\u7406\u8207\u9078\u64c7\u6ce8\u610f\u4e8b\u9805<\/font><\/a>   <br \/><a href=\"\/\/m.letratesoro.com\/?p=9463\"><font size=\"4\">\u5982\u4f55SMT\u6e2c\u6eab\u677f\u7684\u71b1\u96fb\u5076\u9078\u64c7\uff1f\u4e0d\u540c\u96fb\u71b1\u5076(thermocouple, TC)\u7dda\u4e4b\u9593\u7684\u5dee\u7570<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u56e0\u70ba\u73fe\u5728\u5f88\u591aBGA\u5c01\u88dd\u90fd\u662fPBGA (Plast &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,22,3,4],"tags":[47,198],"aioseo_notices":[],"views":5820,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/9473"}],"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=9473"}],"version-history":[{"count":9,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/9473\/revisions"}],"predecessor-version":[{"id":9834,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/9473\/revisions\/9834"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=9473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=9473"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=9473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}