{"id":1059,"date":"2011-04-18T19:29:59","date_gmt":"2011-04-18T11:29:59","guid":{"rendered":"\/\/m.letratesoro.com\/2011\/04\/connector-dropped%e9%80%a3%e6%8e%a5%e5%99%a8%e4%bd%bf%e7%94%a8%e4%b8%80%e6%ae%b5%e6%99%82%e9%96%93%e5%be%8c%e6%8e%89%e8%90%bd%e5%95%8f%e9%a1%8c%e6%8e%a2%e8%a8%8e\/"},"modified":"2019-03-25T14:10:24","modified_gmt":"2019-03-25T06:10:24","slug":"connector-dropped","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2011\/04\/connector-dropped\/","title":{"rendered":"\u9023\u63a5\u5668\u4f7f\u7528\u4e00\u6bb5\u6642\u9593\u5f8c\u6389\u843d\u554f\u984c\u63a2\u8a0e"},"content":{"rendered":"

\"B2B\"B2B<\/p>\n

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\u60f3\u8d77\u4f86\u4e5f\u771f\u5614\uff01\u6bcf\u6b21\u53ea\u8981\u4e00\u807d\u5230\u6709\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\uff0c\u7b2c\u4e00\u500b\u88ab\u61f7\u7591\u7684\u4e00\u5b9a\u662f\u710a\u63a5\u554f\u984c\uff0c\u6240\u4ee5\u8d77\u521d\u516c\u53f8\u9ad8\u5c64\u4e5f\u4e00\u76f4\u8a8d\u70ba\u662f\u88fd\u9020\u5de5\u5ee0\u710a\u63a5\u4e0d\u826f\u6216\u88fd\u7a0b\u4e0d\u5584\u6240\u9020\u6210\uff0c\u5f8c\u4f86\u88fd\u9020\u5de5\u5ee0\u63d0\u51fa\u4e86\u6aa2\u6e2c\u5831\u544a\uff0c\u8aaa\u660e\u65b7\u88c2\u9ede\u662f\u767c\u751f\u5728\u710a\u63a5\u7684 IMC (Inter-Metallic Compound) \u5c64\uff0c\u800c\u4e14 IMC \u5c64\u7684\u539a\u5ea6\u7d04\u5728 2um \u5de6\u53f3\u7684\u5408\u7406\u7bc4\u570d\u5167\uff0c\u6240\u4ee5\u5de5\u5ee0\u7aef\u8a8d\u70ba\u710a\u63a5\u54c1\u8cea\u6c92\u6709\u554f\u984c\uff0c\u800c\u8a8d\u70ba Connector \u4e4b\u6240\u4ee5\u6389\u843d\u662f\u56e0\u70ba\u61c9\u529b(Stress)\u6216\u5916\u529b\u649e\u64ca\u6240\u81f4\u3002<\/font><\/p>\n

<\/p>\n

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\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>PCB\u710a\u63a5\u5f37\u5ea6\u8207IMC\u89c0\u5ff5<\/font><\/a><\/font><\/p>\n

\u53e6\u5916\u4e5f\u8981\u770b\u770bIMC\u5c64\u7684\u6210\u4efd\u6709\u5426\u554f\u984c\uff0c\u4ee5\u9285\u57fa\u5730(OSP)\u7684\u677f\u5b50\uff0c\u5176\u6b63\u5e38\u7684\u9285\u932b\u5408\u91d1\u70baCu5<\/sub>Sn6<\/sub>\uff0c\u4f46\u5982\u679c\u8b8a\u6210\u4e86Cu3<\/sub>Sn\uff0c\u5176\u5f37\u5ea6\u5c31\u6703\u5927\u5927\u7684\u964d\u4f4e\uff0c\u4f60\u53ef\u4ee5\u8a66\u8457\u4f7f\u7528SEM\/EDA<\/font><\/strong>(Scanning Electron Microscope\/Energy-Dispersive X-Ray spectroscopy)\u4f86\u5206\u6790IMC\u7684\u5143\u7d20\u7d44\u6210\u6210\u4efd\uff0c\u5982\u679c\u767c\u73fe\u9285(Cu)\u7684\u6210\u4efd\u6bd4\u932b(Sn)\u9084\u591a\u5c31\u53ef\u80fd\u6709\u554f\u984c\u3002<\/font><\/p>\n

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\u81f3\u65bc\u6709\u4e9b\u4eba\u8981\u6c42\u62ff Connector \u7684\u63a8\u529b\u4f86\u5c0d\u6bd4 BGA \u505a\u6bd4\u8f03\uff0c\u96d6\u7136\u6709\u9ede\u7121\u5398\u982d\uff0c\u4f46\u4e5f\u4e0d\u662f\u4e0d\u53ef\u4ee5\u5566\uff0c\u53ea\u662f\u524d\u63d0\u5fc5\u9808\u4ee5\u9762\u7a4d\u4f86\u6bd4\u8f03\uff0c\u800c\u4e0d\u662f\u7528\u96f6\u4ef6\u6578\u4f86\u6bd4\u8f03\uff0c\u4e00\u500bBGA\u6709\u591a\u5c11\u500b\u932b\u7403\u5c31\u6703\u6709\u591a\u5c11\u710a\u63a5\u9762\u7a4d\u5c0d\u6bd4\u591a\u5c11\u6839\u7684Connector\u710a\u8173\u6703\u6709\u591a\u5c11\u710a\u63a5\u9762\u7a4d\u4f86\u505a\u6bd4\u8f03\u624d\u5408\u7406\uff0c\u9019\u6a23\u5c31\u53ef\u4ee5\u77ad\u89e3 Connector\u7684\u710a\u63a5\u5f37\u5ea6\u55ae\u4f4d\u9762\u7a4d\u662f\u5426\u8207BGA\u76f8\u7576\u3002<\/font><\/p>\n

\u4ee5\u4e0a\u7684\u8aaa\u660e\u53ea\u662f\u53ef\u80fd\u539f\u56e0\uff0c\u5fc5\u9808\u5f37\u8abf\u4e00\u9ede\uff0c\u6709\u6642\u5019\u5f88\u96e3\u76f4\u89c0\u7684\u5224\u65b7Connector\u6389\u843d\u662f\u5c6c\u65bc\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c\uff0c\u6709\u4e9b\u53ef\u80fd\u662f\u751f\u7522\u8207\u8a2d\u8a08\u90fd\u6709\u554f\u984c\u3002\u985e\u4f3c\u9019\u7a2e\u554f\u984c\uff0cSMT\u7684\u751f\u7522\u5de5\u5ee0\u901a\u5e38\u6bd4\u8f03\u5403\u8667\uff0c\u56e0\u70baR&D\u6703\u8aaa\u9019\u9ebc\u591a\u7247\u677f\u5b50\u751f\u7522\uff0c\u70ba\u4f55\u53ea\u6709\u5e7e\u7247\u677f\u5b50\u6709BGA\u6389\u843d\u7684\u554f\u984c\uff0c\u5efa\u8b70SMT\u5de5\u5ee0\u5728\u8a66\u7522\u4e4b\u521d\u5c31\u8981\u63d0\u51faPCB\u710a\u588a\u7684\u8a2d\u8a08\u554f\u984c\uff0c\u4ee5\u907f\u514d\u9019\u985e\u554f\u984c\u5c64\u51fa\u4e0d\u7aae\u3002<\/font><\/p>\n

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\u4e0b\u9762\u662f\u5de5\u5ee0\u7684\u5206\u6790\u5831\u544a\uff0c\u50c5\u4f9b\u53c3\u8003\uff5e<\/font><\/p>\n

\"Connector_dropped01\"\"Connector_dropped02\"<\/p>\n

<\/p>\n

<\/p>\n

<\/p>\n

<\/p>\n

<\/p>\n


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\u5ef6\u4f38\u95b1\u8b80\uff1a
<\/font>
\u5c0e\u901a\u5b54\u5728\u588a(Vias-in-pad)\u7684\u8655\u7406\u539f\u5247<\/font><\/a>
<\/font>
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\u7528\u6ef2\u900f\u67d3\u7d05\u8a66\u9a57 (Red Dye Penetration Test)\u67e5\u770bBGA\u710a\u932b<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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