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\u7d50\u69cb\u5dee\u7570<\/b>\uff1aBGA\u8f09\u677f\u7684\u4f48\u7dda\u901a\u5e38\u6bd4PCB\u4f86\u5f97\u5747\u52fb\u8207\u7d30\u7dfb\uff0c\u800c\u4e14BGA\u8f09\u677f\u7684\u5c64\u8207\u5c64\u4e4b\u9593\u7684\u7d50\u5408\u4e5f\u8f03PCB\u7262\u56fa\u3002\u9019\u4f7f\u5f97PCB\u7aef\u7684\u710a\u9ede\u986f\u5f97\u76f8\u5c0d\u8f03\u70ba\u8106\u5f31\uff0c\u5bb9\u6613\u56e0\u70ba\u6a5f\u68b0\u61c9\u529b\u3001\u6eab\u5ea6\u5faa\u74b0\u6216\u9577\u671f\u4f7f\u7528\u800c\u7522\u751f\u932b\u88c2\u3002<\/span><\/p>\n<\/li>\n \u710a\u63a5\u61c9\u529b\u96c6\u4e2d<\/b>\uff1aPCB\u8207BGA\u8f09\u677f\u4e4b\u9593\u7684\u710a\u932b\u9ede\uff0c\u5728\u61c9\u529b\u7684\u96c6\u4e2d\u4f4d\u7f6e\u7d93\u5e38\u6703\u56e0\u70ba\u4f7f\u7528\u800c\u767c\u751f\u75b2\u52de\uff0c\u66f4\u7279\u5225\u662f\u7531\u65bcPCB\u7684\u61c9\u529b\u8b8a\u5f62\u66f4\u5927\uff0c\u6240\u4ee5\u4e5f\u5c31\u66f4\u5bb9\u6613\u5c0e\u81f4\u5728PCB\u7aef\u51fa\u73fe\u932b\u88c2\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n \u5176\u4e09\uff0c\u9084\u53ef\u4ee5\u89c0\u5bdf\u4e00\u4e0b\u710a\u932b\u65b7\u88c2\u9762\u70ba\u5149\u6ed1\u8868\u9762\u6216\u7c97\u7cd9\u8868\u9762\u3002\u5982\u679c\u70ba\u5149\u6ed1\u8868\u9762\uff0c\u985e\u4f3c\u56de\u710a\u5b8c\u6210\u6642\u7684\u932b\u7403\u5149\u6ed1\u8868\u9762\uff0c\u5c31\u6bd4\u8f03\u53ef\u80fd\u662fNWO(Non-Wet-Open\uff0c\u61f8\u7403\u958b\u88c2)<\/a>\u4e0d\u826f\uff0c\u5982\u679c\u70ba\u7c97\u7cd9\u8868\u9762\uff0c\u5c31\u662f\u8868\u9762\u6703\u6709\u4e9b\u7a0d\u5fae\u51f9\u51f8\u8207\u92f8\u9f52\u72c0\uff0c\u5c31\u6bd4\u8f03\u504f\u5411\u662f\u61c9\u529b\u9020\u6210\u7684\u75b2\u52de\u65b7\u88c2\u3002<\/span><\/p>\n \u53e6\u5916\uff0c\u9019\u61c9\u8a72\u662f\u500b\u984c\u5916\u8a71\uff0c\u5de5\u4f5c\u718a\u89c0\u5bdf\u5230\u4e0d\u826f\u7167\u7247\u4e2dPCB\u7684\u710a\u588a\u8a2d\u8a08\u5e7e\u4e4e\u90fd\u63a1\u7528\u4e86NSMD(Non-Solder Mask Defined)\u710a\u588a\u8a2d\u8a08\uff0c\u76f8\u8f03\u65bcSMD(Solder Mask Defined)\u710a\u588a\u8a2d\u8a08\uff0cNSMD\u710a\u588a\u8a2d\u8a08\u96d6\u7136\u5f37\u5316\u4e86\u932b\u7403\u7684\u710a\u932b\u80fd\u529b\uff0c\u537b\u5f31\u5316\u4e86\u710a\u588a\u9644\u8457\u65bcPCB\u677f\u6750\u7684\u80fd\u529b\uff0c\u9019\u4e5f\u662f\u70ba\u4f55\u7167\u7247\u4e2d\u64ac\u958b\u7684BGA\uff0c\u5927\u90e8\u5206\u710a\u9ede\u90fd\u51fa\u73fePCB\u710a\u588a\u9ecf\u5728\u932b\u7403\u7684\u60c5\u5f62\uff0c\u4e5f\u5c31\u662fPCB\u710a\u588a\u5f9e\u677f\u6750\u4e0a\u88ab\u6495\u88c2\u3002\u4e4b\u524d\u4e00\u76f4\u6709\u4eba\u554fBGA\u710a\u588a\u61c9\u8a72\u63a1\u7528SMD\u6216NSMD\u6bd4\u8f03\u80fd\u62b5\u6297\u710a\u932b\u7834\u88c2\uff0c\u5de5\u4f5c\u718a\u53ea\u8aaa\u5169\u8005\u5404\u6709\u512a\u7f3a\u9ede\uff0c\u5982\u679c\u4f60\u53ea\u60f3\u9760\u8457\u710a\u9ede\u7684\u5f37\u5ea6\u4f86\u62b5\u6297\u61c9\u529b\uff0c\u5c31\u6709\u9ede\u87b3\u8782\u64cb\u8eca\u4e86\u3002<\/span><\/span><\/p>\n \u60f3\u9032\u4e00\u6b65\u4e86\u89e3\u4ec0\u9ebc\u662fSMD\u8207NSMD\u710a\u588a\u8a2d\u8a08\u53ef\u4ee5\u53c3\u8003\u4e0b\u9762\u7684\u6587\u7ae0\uff1a<\/span><\/p>\n \u8aaa\u4e86\u9019\u9ebc\u591a\uff0c\u597d\u50cf\u9084\u6c92\u8ac7\u5230\u9019\u4f4d\u7db2\u53cb\u554f\u984c\u4e2d\u95dc\u5fc3\u7684\u4e00\u500b\u91cd\u9ede\uff0c\u5c31\u662f\u9019\u7a2e\u710a\u932b\u7834\u88c2\u662f\u5426\u5b58\u5728”\u71b1\u61c9\u529b”\u98a8\u96aa\u3002<\/span><\/p>\n \u71b1\u61c9\u529b(thermal stress)\u662f\u6307\u6750\u6599\u56e0\u70ba\u6eab\u5ea6\u8b8a\u5316\u800c\u7522\u751f\u7684\u5167\u90e8\u61c9\u529b\u3002\u7576\u6750\u6599\u53d7\u71b1\u6642\u6703\u81a8\u8139\uff0c\u51b7\u537b\u6642\u5247\u6703\u6536\u7e2e\u3002\u5982\u679c\u6750\u6599\u4e0d\u540c\u90e8\u5206\u53d7\u71b1\u4e0d\u5747\u52fb\uff0c\u6216\u5728\u81a8\u8139\u6216\u6536\u7e2e\u904e\u7a0b\u4e2d\u53d7\u5230\u5916\u90e8\u9650\u5236\uff0c\u6750\u6599\u5167\u90e8\u5c31\u6703\u51fa\u73fe\u61c9\u529b\u3002\u6b64\u5916\uff0c\u7576\u6750\u6599\u5167\u542b\u6709\u4e0d\u540c\u81a8\u8139\u4fc2\u6578(CTE)\u7684\u6750\u8cea\u6642\uff0c\u56e0\u70ba\u6eab\u5ea6\u8b8a\u5316\u800c\u5c0e\u81f4\u4e0d\u540c\u6750\u6599\u9593\u9ad4\u7a4d\u4e0d\u4e00\u81f4\uff0c\u4e5f\u6703\u7522\u751f\u61c9\u529b\u3002\u9019\u4e9b\u61c9\u529b\u53ef\u80fd\u6703\u5c0e\u81f4\u6750\u6599\u8b8a\u5f62\u6216\u7522\u751f\u88c2\u7d0b\u3002\u71b1\u61c9\u529b\u5728\u6a5f\u68b0\u3001\u96fb\u5b50\u5143\u4ef6\u548c\u5efa\u7bc9\u6750\u6599\u7b49\u9818\u57df\u4e2d\u90fd\u662f\u9700\u8981\u8003\u616e\u7684\u91cd\u8981\u56e0\u7d20\uff0c\u5c24\u5176\u662f\u7576\u6750\u6599\u66b4\u9732\u5728\u6975\u7aef\u6eab\u5ea6\u8b8a\u5316\u4e0b\u6642\u3002<\/span><\/p>\n \u500b\u4eba\u89ba\u5f97\u71b1\u61c9\u529b\u5728\u56de\u710a\u6216\u6ce2\u710a\u7684\u52a0\u71b1\u53ca\u51b7\u537b\u904e\u7a0b\u4e2d\u5f88\u5c11\u6703\u56e0\u70ba\u71b1\u61c9\u529b\u800c\u9020\u6210\u932b\u88c2\uff0c\u56e0\u70ba\u9ad8\u6eab\u7684\u60c5\u6cc1\u4e0b\uff0c\u710a\u932b\u70ba\u6db2\u614b\uff0c\u53ea\u8981\u8b8a\u5f62\u4e0d\u662f\u592a\u56b4\u91cd\uff0c\u6db2\u614b\u710a\u932b\u9084\u662f\u6709\u53ef\u5851\u6027\u7684\uff0c\u5982\u679c\u8b8a\u5f62\u592a\u904e\u56b4\u91cd\uff0c\u5728BGA\u710a\u9ede\u4e0a\u61c9\u8a72\u6703\u51fa\u73feHIP\/HoP<\/a>\u6216NWO\uff0c\u800c\u4e0d\u662f\u932b\u88c2\u3002<\/span><\/p>\n \u8981\u8aaa\u71b1\u61c9\u529b\u5c0dBGA\u710a\u9ede\u7684\u6700\u5927\u5f71\u97ff\uff0c\u500b\u4eba\u89ba\u5f97\u61c9\u8a72\u662fBGA\u8f09\u677f(substrate)\u53caPCB\u677f\u6750\u5728\u9ad8\u6eab\u524d\u5f8c\u767c\u751f\u8b8a\u5f62\uff0c\u7136\u5f8c\u5728\u5f8c\u7e8c\u7684\u677f\u968e\u96fb\u6027\u6e2c\u8a66\u3001\u6574\u6a5f\u7d44\u88dd\u4e2d\u6216\u662f\u5f8c\u7e8c\u7684\u61c9\u7528\u4e2d\u518d\u5ea6\u88ab\u6273\u5e73\uff0c\u56e0\u70ba\u6240\u6709\u7684\u7d44\u88dd\u8a2d\u8a08\u90fd\u6703\u5047\u8a2dPCBA\u662f\u6c92\u6709\u8b8a\u5f62\u7684\uff0c\u9019\u6642\u5019\u5c31\u53ef\u80fd\u5c0dBGA\u7684\u710a\u9ede\u65bd\u52a0\u61c9\u529b\uff0c\u4e00\u65e6\u710a\u932b\u5f37\u5ea6\u4f4e\u65bc\u65bd\u52a0\u7684\u61c9\u529b\uff0c\u767c\u751f\u710a\u932b\u7834\u88c2\u53ea\u662f\u525b\u525b\u597d\u800c\u5df2\u3002<\/span><\/p>\n \u9019\u4f4d\u7db2\u53cb\u53e6\u5916\u9084\u95dc\u5fc3\u4e00\u500b\u554f\u984c\uff0c\u5c31\u662f\u4ed6\u5011\u6392\u67e5\u7522\u7dda\u88fd\u7a0b\u5f8c\u767c\u73fe\u6ce2\u710a\u7684\u7210\u6eab\u904e\u9ad8\uff0c\u5be6\u969b\u6e2c\u51fa\u4f86\u7684\u6eab\u5ea6\u6709\u5230265\u02daC\uff0c265\u02daC\u7684\u6ce2\u710a\u5cf0\u503c\u78ba\u5be6\u6bd4\u8f03\u9ad8\uff0c\u4f46\u4e5f\u53ea\u662f\u5728\u6eab\u5ea6\u5340\u9593\u7684\u4e0a\u9650\u800c\u5df2\uff0c\u4e00\u822c\u4f86\u8aaa\u6ce2\u710a\u7684\u5cf0\u503c\u6eab\u5ea6\u6703\u6bd4\u56de\u710a\u4f86\u5f97\u9ad8\uff0c\u9019\u662f\u56e0\u70ba\u6ce2\u710a\u5be6\u969b\u7684\u710a\u63a5\u6642\u9593\u5728\u64fe\u6d41\u6ce2\u5176\u5be6\u53ea\u6709\u7d041.5S\uff0c\u800c\u5e73\u6d41\u6ce2\u96d6\u7136\u8f03\u9577\uff0c\u4f46\u4e5f\u53ea\u6709\u7d044S\uff0c\u6ce2\u710a\u6eab\u5ea6\u7684\u91cd\u9ede\u61c9\u8a72\u8981\u653e\u5728\u9810\u71b1\u6eab\u5ea6\u8207\u5cf0\u503c\u6eab\u5ea6\u7684\u6eab\u5dee\u4e0a\uff0c\u9019\u6bb5\u6eab\u5dee\u6703\u662f\u4e00\u500b\u300c\u71b1\u885d\u64ca\u300d\uff0c\u624d\u662f\u771f\u6b63\u53ef\u80fd\u5f71\u97ffPCB\u80fd\u529b\u7684\u95dc\u9375\u56e0\u7d20\uff0c\u4e00\u822c\u4f86\u8aaa\u9019\u6bb5\u6eab\u5dee\u5efa\u8b70\u8981\u5c0f\u65bc150\u02daC\uff0c\u4e0d\u8981\u8d85\u904e200\u02daC\u3002\u5982\u679c\u771f\u7684\u64d4\u5fc3PCB\u7684\u710a\u9ede\u6703\u6709\u71b1\u61c9\u529b\u554f\u984c\uff0c\u5efa\u8b70\u8981\u4f7f\u7528\u6ce2\u710a\u8f09\u5177\uff0c\u4f86\u964d\u4f4e\u71b1\u885d\u64ca\u7684\u6548\u61c9\u3002<\/span><\/span><\/p>\n \u4ee5\u4e0a\u662f\u5de5\u4f5c\u718a\u500b\u4eba\u7684\u770b\u6cd5\u3002<\/span><\/p>\n \u8acb\u6ce8\u610f\uff0c\u5de5\u4f5c\u718a\u7684\u770b\u6cd5\u4e5f\u53ef\u80fd\u51fa\u932f\uff0c\u5c31\u7576\u4f5c\u662f\u807d\u500b\u6545\u4e8b\u3002<\/span><\/p>\n<\/span><\/p>\n
\u80cc\u666f\u8aaa\u660e\uff1a<\/span><\/span><\/h2>\n
\n
\n\u5982\u679c\u662f\u5c0d\u300c\u7d05\u58a8\u6c34\u8a66\u9a57\u300d\u9084\u4e0d\u662f\u5f88\u4e86\u89e3\u7684\u670b\u53cb\uff0c\u53ef\u4ee5\u5148\u770b\u4e00\u4e0b\u9019\u5e7e\u7bc7\u6709\u95dc\u7684\u6587\u7ae0\uff1a<\/span><\/p>\n\n
<\/span><\/p>\n
\n
<\/span><\/p>\n
\n
<\/span><\/p>\n
\n
\n
\u4ec0\u9ebc\u662f\u71b1\u61c9\u529b\uff1f<\/span><\/span><\/span><\/h2>\n
BGA\u710a\u9ede\u53ef\u80fd\u6703\u53d7\u71b1\u61c9\u529b\u5f71\u97ff\u800c\u7834\u88c2\u55ce\uff1f<\/b><\/span><\/h2>\n
\nYouTube\u5f71\u7247\uff1aSMT\u6216\u6ce2\u710a\u7684\u71b1\u61c9\u529b(thermal stress)\u662f\u5426\u9020\u6210BGA\u932b\u88c2?<\/span><\/span><\/h2>\n