{"id":5844,"date":"2017-01-04T08:22:00","date_gmt":"2017-01-04T00:22:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=5844"},"modified":"2023-04-23T14:50:04","modified_gmt":"2023-04-23T06:50:04","slug":"bga-underfill","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2017\/01\/bga-underfill\/","title":{"rendered":"\u5982\u4f55\u6c7a\u5b9aBGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u9700\u4e0d\u9700\u8981\u586b\u52a0\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u6c7a\u5b9aBGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u8981\u4e0d\u8981\u586b\uff1f\"\u9019\u662f\u4e00\u4f4d\u7db2\u53cb\u63d0\u51fa\u7684\u554f\u984c\uff1a\u300c\u65e9\u671f\u6642\u5019\u5f88\u591a\u7684\u624b\u6a5f\u96fb\u8def\u677f\u90fd\u6703\u4f7f\u7528BGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\uff0c\u6700\u8fd1\u767c\u73fe\u5927\u90e8\u5206\u7684\u624b\u6a5f\u96fb\u8def\u677f\u5df2\u7d93\u6c92\u6709\u4f7f\u7528\u586b\u5145\u81a0\u4e86\uff0c\u7a76\u7adf\u586b\u5145\u81a0\u4f7f\u7528\u6709\u6c92\u6709\u5fc5\u8981\uff1f\u586b\u8207\u4e0d\u586b\u8ddf\u7522\u54c1\u54c1\u8cea\u95dc\u4fc2\u53c8\u5982\u4f55\u95dc\u4fc2\uff1f\u5982\u4f55\u754c\u5b9a\uff1f\u300d<\/font><\/p>\n

\u5176\u5be6\u300c\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u300d\u6700\u65e9\u7684\u6642\u5019\u662f\u8a2d\u8a08\u7d66\u300c\u8986\u6676\u6676\u7247(Flip Chip)\u300d\u4f86\u4f7f\u7528\u4ee5\u589e\u5f37\u5176\u4fe1\u8cf4\u5ea6\u7528\u7684\uff0c\u5f8c\u4f86BGA\u5c01\u88dd\u958b\u59cb\u6d41\u884c\uff0c\u5f88\u591a\u7684CPU\u4e5f\u958b\u59cb\u4f7f\u7528\u8d77BGA\u5c01\u88dd\uff0c\u4f46\u7919\u65bc\u7576\u6642\u7684\u79d1\u6280\uff0cBGA\u5176\u5be6\u662f\u6709\u4e00\u5b9a\u7684\u539a\u5ea6\uff0c\u800c\u4e14\u96a8\u8457CPU\u7684\u529f\u80fd\u8d8a\u4f86\u8d8a\u5f37\u5927\uff0cBGA\u7684\u5c3a\u5bf8\u4e5f\u5c31\u8d8a\u4f86\u8d8a\u5927\u9846\u3002\u8a71\u8aaaBGA\u5c01\u88dd\u6676\u7247\u5176\u5be6\u662f\u5177\u6709\u4e00\u5b9a\u91cd\u91cf\u7684\uff0c\u9019\u500b\u91cd\u91cf\u662f\u975e\u5e38\u4e0d\u5229\u6454\u843d\u7684\u91cd\u529b\u885d\u64ca\u3002<\/font><\/p>\n

<\/p>\n

\u4e5f\u56e0\u70ba\u73fe\u5728\u5e7e\u4e4e\u6240\u6709\u624b\u6a5f\u7684CPU\u90fd\u63a1\u7528BGA\u5c01\u88dd\uff0c\u624b\u6a5f\u53c8\u662f\u624b\u6301\u88dd\u7f6e\uff0c\u4f7f\u7528\u8005\u7d93\u5e38\u4e0d\u5c0f\u5fc3\u4e00\u500b\u6c92\u6709\u62ff\u597d\u5c31\u53ef\u80fd\u5f9e\u8033\u6735\u7684\u9ad8\u5ea6(150cm\u6216180cm)\u6389\u843d\u5730\u4e0a\uff0c\u518d\u52a0\u4e0aBGA\u7684\u710a\u932b\u5f37\u5ea6\u56b4\u91cd\u4e0d\u8db3\uff0c\u53ea\u8981\u624b\u6a5f\u4e00\u6389\u843d\u5230\u5730\u4e0a\uff0cCPU\u7684\u932b\u7403\u5c31\u53ef\u80fd\u6703\u767c\u751f\u7834\u88c2(Crack)\uff0c\u751a\u81f3\u9084\u6709\u6574\u9846CPU\u5f9e\u677f\u5b50\u812b\u843d\u7684\u60c5\u5f62\u767c\u751f\uff0c\u5ba2\u8a34\u554f\u984c\u7576\u7136\u5c31\u63a5\u4e0d\u5b8c\u5566\uff0c\u65bc\u662f\u958b\u59cb\u6709\u4eba\u628a\u539f\u672c\u7528\u65bc\u8986\u6676\u7684\u5e95\u90e8\u586b\u5145\u81a0\u62ff\u4f86\u904b\u7528\u5230BGA\u5e95\u4e0b\u4ee5\u589e\u5f37\u5176\u8010\u9ad8\u8655\u6454\u843d\u3001\u8010\u91cd\u529b\u885d\u64ca\u7684\u80fd\u529b\u3002\u53ea\u662f\u9019\u5e95\u90e8\u586b\u5145\u81a0\u4e5f\u4e0d\u662f\u842c\u80fd\u7684\u5c31\u662f\u4e86\uff0c\u5de5\u4f5c\u718a\u5c31\u898b\u904e\u9023\u5e95\u90e8\u586b\u5145\u81a0\u90fd\u7834\u88c2\u7684\u6848\u4f8b\u3002<\/font><\/p>\n

\u5982\u679c\u4f60\u9084\u4e0d\u662f\u5f88\u4e86\u89e3\u4f55\u8b02\u300c\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u300d\uff1f\u8acb\u5148\u53c3\u8003\u9019\u7bc7\u6587\u7ae0\uff1aUnderfill(\u5e95\u90e8\u586b\u5145\u5291)\u7684\u76ee\u7684\u8207\u64cd\u4f5c\u7a0b\u5e8f<\/a><\/font><\/p>\n

\u9084\u597d\uff0c\u96a8\u8457\u79d1\u6280\u7684\u9032\u6b65\uff0c\u6700\u5927\u7684\u9032\u6b65\u5728\u6676\u5713\u88fd\u7a0b\u7684\u9032\u6b65\uff0c\u4f9d\u64da\u6469\u723e\u5b9a\u5f8b\u7684\u9810\u6e2c\uff0c\u7a4d\u9ad4\u96fb\u8def\u4e0a\u7684\u96fb\u6676\u9ad4\u6578\u76ee\u5927\u7d04\u6bcf\u969418\u500b\u6708\u5c31\u6703\u589e\u52a0\u4e00\u500d\uff0c\u800c\u4e14\u7a4d\u9ad4\u96fb\u8def\u4e0a\u7684\u300c\u9598\u6975\u9577\u5ea6\uff08Gate length\uff09\u300d\u4e5f\u8d8a\u4f86\u8d8a\u7d30\uff0c\u5bc6\u5ea6\u4e5f\u8d8a\u4f86\u8d8a\u9ad8\uff0c\u65bc\u662f\u7a4d\u9ad4\u96fb\u8def\u7684\u529f\u80fd\u589e\u52a0\u4e86\uff0c\u4f46\u662f\u9ad4\u7a4d\u537b\u8b8a\u5c0f\u4e86\uff0c\u624b\u6a5fCPU\u7684\u91cd\u91cf\u4e5f\u5c31\u8ddf\u8457\u6e1b\u91cd\uff0c\u6389\u843d\u5730\u4e0a\u7684\u8010\u6454\u58d3\u529b\u4e5f\u5c31\u8ddf\u8457\u964d\u4f4e\uff0c<\/font>iPhone7\u63a1\u752816\u5948\u7c73\u88fd\u7a0b\uff0ciPhone8\u53ef\u80fd\u63a1\u752810\u5948\u7c73\u88fd\u7a0b\u6216\u66f4\u5c0f\u7684\u88fd\u7a0b\uff0c\u9019\u4e5f\u662f\u70ba\u4f55\u73fe\u4eca\u5f88\u591a\u624b\u6a5f\u677f\u53ef\u4ee5\u4e0d\u9700\u8981\u6dfb\u52a0\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u7684\u539f\u56e0\u4e4b\u4e00\u3002\uff08\u53c3\u8003\u6587\u7ae0\uff1aFinFET \u5168\u9762\u653b\u4f54 iPhone\uff01\u4e94\u5206\u9418\u8b93\u4f60\u770b\u61c2 FinFET<\/a><\/font>\uff09<\/font><\/p>\n

\u6216\u8a31\uff0c\u4f60\u9084\u662f\u6c92\u6709\u770b\u660e\u767d\u9019\u500b\u9053\u7406\uff0c\u6c92\u95dc\u4fc2\uff0c\u4e0b\u9762\u7528\u767d\u8a71\u518d\u8aaa\u5f97\u6e05\u695a\u4e00\u9ede\uff5e<\/font><\/p>\n

BGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u52a0\u4e0d\u52a0\uff1f\u901a\u5e38\u5fc5\u9808\u5728\u65b0\u54c1\u9a57\u8b49\u6642\u6c7a\u5b9a\uff0c\u4e00\u822c\u65b0\u54c1\u4e0a\u5e02\u524d\u8981\u901a\u904e\u7814\u767c\u516c\u53f8\u5167\u90e8\u7684\u4fe1\u8cf4\u5ea6\u6e2c\u8a66\uff0c\u9019\u4e9b\u6e2c\u8a66\u5305\u542b\u9ad8\u6eab\/\u9ad8\u6fd5\u53ca\u9ad8\u4f4e\u6eab\u5faa\u74b0\u6e2c\u8a66\uff0c\u9084\u6709\u9ad8\u8655\u843d\u4e0b\u7684\u8010\u885d\u64ca\u8a66\u9a57\uff0c\u53e6\u5916\u6709\u4e9b\u6bd4\u8f03\u9f9c\u6bdb\u7684\u516c\u53f8\u9084\u6703\u518d\u52a0\u6efe\u52d5\u6e2c\u8a66(tumbling)\u2026\u7b49\uff0c\u5982\u679c\u5728\u9a57\u8b49\u7684\u904e\u7a0b\u4e2d\u767c\u73fe\u6709BGA\u932b\u7403\u7834\u88c2\u9020\u6210\u5931\u6548\u554f\u984c\uff0c\u5c31\u6703\u8003\u616e\u6dfb\u52a0BGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\uff0c\u4e0d\u904e\u6700\u597d\u9084\u662f\u900f\u904e\u8a2d\u8a08\u4f86\u89e3\u6c7a\uff0c\u624d\u80fd\u4e00\u52de\u6c38\u9038\u3002<\/font><\/p>\n

\n

\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>
\u88f8\u6a5f\u7684\u843d\u4e0b\u8a66\u9a57\/\u6454\u843d\u5be6\u9a57(Drop test)\u8981\u6c42<\/font><\/a>
\u6efe\u7b52\u6e2c\u8a66(tumble test)\u7684\u65b9\u6cd5\u8207\u5931\u6548\u89e3\u6c7a\u5c0d\u7b56<\/font><\/a><\/p>\n<\/blockquote>\n

\u53ea\u662f\u60f3\u89e3\u6c7aBGA\u932b\u7403\u7834\u88c2\u554f\u984c\u4e0d\u662f\u53ea\u6709\u6dfb\u52a0BGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u4e00\u500b\u65b9\u6cd5\uff0c\u900f\u904e\u52a0\u5f37\u7522\u54c1\u6a5f\u69cb\u6297\u885d\u64ca\u80fd\u529b\u4e5f\u662f\u53ef\u4ee5\u6539\u5584BGA\u932b\u7403\u7834\u88c2\u7684\u554f\u984c\uff0c\u800c\u4e14\u6709\u4e9b\u7522\u54c1\u5148\u5929\u8a2d\u8a08\u5c31\u4e0d\u826f\uff0c\u5c31\u7b97\u6dfb\u52a0\u4e86BGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u4e5f\u4e0d\u898b\u5f97\u5c31\u53ef\u4ee5\u89e3\u6389BGA\u932b\u7403\u7834\u88c2\u7684\u554f\u984c\u3002<\/font><\/p>\n

\uff08\u4e0b\u9762\u5169\u5f35\u7167\u7247\u5c31\u986f\u793a\u65e2\u4f7f\u6dfb\u52a0\u4e86\u5e95\u90e8\u586b\u5145\u81a0underfill\uff0c\u7d93\u904e\u6454\u843d\u5f8c\u9084\u662f\u767c\u751fBGA\u932b\u7403\u7834\u88c2\u7684\u554f\u984c\uff0c\u56e0\u70ba\u9023Underfill\u81a0\u90fd\u88c2\u958b\u4e86\u3002\uff09<\/font><\/p>\n

\"\u4e0b\u9762\u5169\u5f35\u7167\u7247\u5c31\u986f\u793a\u65e2\u4f7f\u6dfb\u52a0\u4e86\u5e95\u90e8\u586b\u5145\u81a0underfill\uff0c\u7d93\u904e\u6454\u843d\u5f8c\u9084\u662f\u767c\u751fBGA\u932b\u7403\u7834\u88c2\u7684\u554f\u984c\uff0c\u56e0\u70ba\u9023Underfill\u81a0\u90fd\u88c2\u958b\u4e86\u3002\"\"\u4e0b\u9762\u5169\u5f35\u7167\u7247\u5c31\u986f\u793a\u65e2\u4f7f\u6dfb\u52a0\u4e86\u5e95\u90e8\u586b\u5145\u81a0underfill\uff0c\u7d93\u904e\u6454\u843d\u5f8c\u9084\u662f\u767c\u751fBGA\u932b\u7403\u7834\u88c2\u7684\u554f\u984c\uff0c\u56e0\u70ba\u9023Underfill\u81a0\u90fd\u88c2\u958b\u4e86\u3002\"<\/p>\n

\n

\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>
[\u6848\u4f8b]BGA\u932b\u7403\u88c2\u958b\u7684\u6a5f\u69cb\u8a2d\u8a08\u6539\u5584\u5c0d\u7b56<\/font><\/a>
\u5982\u4f55\u5f9e\u8a2d\u8a08\u7aef\u5f37\u5316BGA\u4ee5\u9632\u6b62\u5176\u710a\u9ede\u958b\u88c2\uff1f<\/font><\/a>
\u96fb\u8def\u677f\u96f6\u4ef6\u6389\u843d\uff0c\u8a72\u5982\u4f55\u8457\u624b\u5206\u6790\u3001\u5224\u65b7\u4e26\u91d0\u6e05\u554f\u984c\u9ede<\/font><\/a>
\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216BGA\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(1)\uff1f\u932b\u88c2\u53ea\u662f\u61c9\u529b\u5927\u65bc\u7d50\u5408\u529b\u4e4b\u5fc5\u7136\u7d50\u679c<\/font><\/a><\/p>\n<\/blockquote>\n

\u7576\u7136\u6700\u5f8c\u6c7a\u5b9a\u8981\u4e0d\u8981\u6dfb\u52a0BGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u8981\u7d93\u904e\u516c\u53f8\u5167\u90e8<\/font><\/font>\u4e00\u4e9b\u76f8\u95dc\u90e8\u9580\u7684\u722d\u8ad6\uff0c\u9084\u6709\u8cbb\u7528\u589e\u52a0\u8a55\u4f30\u8207\u54c1\u8cea\u4fdd\u8b49\u640d\u5931\u4e4b\u9593\u7684\u62c9\u626f\u3002\u4e00\u822c\u5982\u679c\u7522\u54c1\u4e0a\u5e02\u7684\u6642\u9593\u9084\u5145\u88d5\uff0c\u5c31\u53ef\u80fd\u6703\u8981\u6c42RD\u4f5c\u8a2d\u8a08\u6539\u5584\uff0c\u6700\u597d\u6539\u5584\u5f8c\u53ef\u4ee5\u4e0d\u9700\u8981\u6dfb\u52a0Underfill\u81a0\uff0c\u5982\u679c\u4e0a\u5e02\u7684\u6642\u9593\u904e\u65bc\u7dca\u8feb\uff0c\u6dfb\u52a0\u4e86Underfill\u81a0\u4ee5\u5f8c\u554f\u984c\u5c31\u53ef\u4ee5\u89e3\u6c7a\uff0c\u5247\u53ef\u80fd\u6703\u63a1\u7528Underfill\u81a0\u88fd\u7a0b\u3002<\/font><\/p>\n

\u6240\u4ee5\u52a0\u4e0d\u52a0BGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u6703\u95dc\u4fc2\u5230\uff1a<\/strong><\/font><\/p>\n

    \n
  1. \u7522\u54c1\u4fe1\u8cf4\u5ea6\u6e2c\u8a66\u5f8cBGA\u932b\u7403\u662f\u5426\u5931\u6548\uff1f<\/font> <\/li>\n
  2. \u7522\u54c1\u4e0a\u5e02\u6642\u9593\u7684\u6025\u8feb\u6027\uff1f<\/font> <\/li>\n
  3. \u6dfb\u52a0Underfill\u81a0\u662f\u5426\u53ef\u4ee5\u78ba\u5be6\u9632\u6b62BGA\u932b\u7403\u7834\u88c2\uff1f<\/font> <\/li>\n
  4. \u6dfb\u52a0Underfill\u81a0\u6703\u589e\u52a0\u751f\u7522\u6210\u672c\u3002<\/font> <\/li>\n<\/ol>\n
    \n

    \u5ef6\u4f38\u95b1\u8b80\uff1a
    <\/font>    \u88fd\u9020\u5de5\u5ee0\u7684MRB\u6703\u8b70\u53ca\u5851\u81a0\u4ef6\u54c1\u8cea\u5224\u65b7<\/font><\/a>
    \u88f8\u6a5f\u7684\u843d\u4e0b\u8a66\u9a57\/\u6454\u843d\u5be6\u9a57(Drop test)\u8981\u6c42<\/font><\/a>
    \u751f\u7522\u7dda\u4e0a\u7684\u3010\u843d\u4e0b\u6e2c\u8a66\u3011\u8207\u3010\u6572\u64ca\u6e2c\u8a66\u3011\u63a2\u8a0e<\/font><\/a>
    \u7522\u54c1\u6fd5\u5ea6\u74b0\u5883\u52a0\u901f\u6e2c\u8a66(Humidity temperature cycle)<\/font><\/a>
    \u70ba\u4ec0\u9ebcIMC\u5df2\u7d93\u5f62\u6210\u6709\u6548\u710a\u63a5\u4f46\u96f6\u4ef6\u6389\u843d\u9084\u662f\u767c\u751fIMC\u5c64\u65b7\u88c2\u4e4b\u89c0\u5ff5\u6f84\u6e05<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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