{"id":3272,"date":"2015-01-21T08:31:00","date_gmt":"2015-01-21T00:31:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=3272"},"modified":"2024-02-25T19:34:34","modified_gmt":"2024-02-25T11:34:34","slug":"ict","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2015\/01\/ict\/","title":{"rendered":"\u4ec0\u9ebc\u662fICT(In-Circuit Test)\u8207MDA(Manufacturing Defects Analyzer)\uff1f\u6709\u4f55\u512a\u7f3a\u9ede\uff1f"},"content":{"rendered":"

\"ICT(In-circuit-Test)\"<\/font><\/p>\n

\u4f60\u77e5\u9053\u4ec0\u9ebc\u662f\u3010ICT(In-Circuit Test)\u3011\u55ce\uff1f\u8acb\u6ce8\u610f\uff0c\u9019\u88e1\u8ac7\u7684\u4e0d\u662f\u3010\u8cc7\u8a0a\u8207\u901a\u4fe1\u79d1\u6280 (Information and Communication Technology<\/font>)\u3011\u7684ICT\uff0c\u90a3\u4ec0\u9ebc\u53c8\u662fMDA(Manufacturing Defects Analyzer)\u5462\u3002\u5982\u679c\u5728\u96fb\u5b50\u7d44\u88dd\u5de5\u5e38\u5c0e\u5165\u9019\u5169\u7a2e\u6e2c\u8a66\u6703\u6709\u4f55\u512a\u7f3a\u9ede\u5462\uff1f\u5b83\u5011\u8207ATE\u5dee\u5225\u5728\u54ea\u88e1\uff1f<\/font><\/p>\n

\u6709\u4eba\u628aICT\u76f4\u63a5\u7ffb\u8b6f\u6210\u300c\u5728\u7dda\u6e2c\u8a66\u300d\uff0c\u8a8d\u70ba\u300c\u5728\u7dda\u300d\u53cd\u6620\u4e86ICT\u662f\u901a\u904e\u5c0d\u5728\u7dda\u8def\u4e0a\u7684\u5143\u5668\u4ef6\u6216\u958b\u77ed\u8def\u72c0\u614b\u7684\u6e2c\u8a66\u4f86\u6aa2\u6e2c\u96fb\u8def\u677f\u7684\u7d44\u88dd\u554f\u984c\u3002\u4f46\u500b\u4eba\u89ba\u5f97\u9084\u662f\u61c9\u8a72\u7ffb\u8b6f\u6210\u300c\u96fb\u8def\u6e2c\u8a66\u300d\u6216\u300c\u96fb\u6027\u6e2c\u8a66\u300d\u624d\u6bd4\u8f03\u7b26\u5408\u5176\u7cbe\u795e\uff0c\u4e0d\u904e\u500b\u4eba\u9084\u662f\u4ee5\u70ba\u76f4\u63a5\u7a31\u5176\u3010ICT\u3011\u53cd\u800c\u5927\u5bb6\u90fd\u5bb9\u6613\u660e\u767d\uff0c\u6240\u4ee5\u4e0b\u6587\u53ea\u6703\u7a31\u3010ICT\u3011\u3002<\/font><\/p>\n

ICT\u6700\u4e3b\u8981\u7528\u65bc\u96fb\u8def\u7d44\u88dd\u677f(PCBA\uff0cPrinted Circuit Board Assembly)\u7684\u96fb\u6027\u6e2c\u8a66\uff0c\u57fa\u672c\u4e0a\u53ef\u4ee5\u5c07\u5176\u60f3\u50cf\u6210\u4e00\u53f0\u9ad8\u7d1a\u7684\u300c\u842c\u7528\u96fb\u8868\u300d\u6216\u662f\u3010LCR meter\u3011\uff0c\u5b83\u7121\u9700\u5c07\u96fb\u5b50\u96f6\u4ef6\u5f9e\u96fb\u8def\u677f\u4e0a\u62c6\u4e0b\u4f86\u5c31\u53ef\u4ee5\u900f\u904e\u91dd\u9ede\u4f86\u6aa2\u6e2c\u96fb\u8def\u677f\u4e0a\u6240\u6709\u96f6\u4ef6\u7684\u96fb\u6027\u4ee5\u53ca\u710a\u63a5\u6709\u6c92\u6709\u958b\/\u77ed\u8def\u554f\u984c\u3002<\/font><\/p>\n

<\/p>\n

ICT\u6e2c\u8a66\u7684\u4f5c\u696d\u539f\u7406\u662f\u4f7f\u7528\u91dd\u5e8a(Bed of Nails)\u9023\u7d50\u96fb\u8def\u677f\u4e0a\u4e8b\u5148\u4f48\u7f6e\u597d\u7684\u6e2c\u8a66\u9ede(Test Point)\u4f86\u9054\u5230\u55ae\u7368\u96f6\u4ef6\u6216\u662f\u7bc0\u9ede(Nodes)\u6e2c\u8a66\u7684\u76ee\u7684\u3002\u5c31\u50cf\u62ff\u4e09\u7528\u96fb\u8868\u91cf\u6e2c\u96fb\u963b\u6642\u9700\u8981\u5c07\u63a2\u91dd\u653e\u5728\u96fb\u963b\u7684\u5169\u7aef\u4e00\u6a23\uff0cICT\u4e5f\u5fc5\u9808\u7528\u91dd\u9ede\u653e\u7f6e\u5728\u6240\u6709\u96f6\u4ef6\u7684\u63a5\u89f8\u8173\u6240\u5ef6\u4f38\u51fa\u4f86\u6e2c\u8a66\u9ede\u624d\u80fd\u91cf\u6e2c\uff0c\u6709\u6642\u5019\u4e5f\u53ef\u4ee5\u628a\u4e00\u4e32\u6216\u662f\u4e00\u584a\u5c40\u90e8\u7684\u7dda\u8def\u60f3\u50cf\u6210\u4e00\u500b\u96f6\u4ef6\uff0c\u7136\u5f8c\u91cf\u6e2c\u5176\u7b49\u6548\u96fb\u963b\u503c\u3001\u96fb\u5bb9\u503c\u53ca\u96fb\u58d3\uff0c\u9019\u6a23\u5c31\u53ef\u4ee5\u964d\u4f4e\u6e2c\u8a66\u9ede\u7684\u6578\u76ee\uff0c\u4e00\u822c\u6211\u5011\u6703\u53eb\u9019\u6a23\u7684\u91cf\u6e2c\u70ba\u7d50\u9ede(Node)\u6e2c\u8a66\u3002<\/font><\/p>\n

(\u8a3b\uff1a\u5728\u96fb\u6a5f\u5de5\u7a0b\u4e2d\uff0c\u7d50\u9ede(node)\u662f\u6307\u96fb\u8def\u4e2d\u5169\u689d\u6216\u5169\u689d\u4ee5\u4e0a\u652f\u8def\u76f8\u4ea4\u7684\u5730\u65b9\u3002\u5982\u679c\u5169\u500b\u7d50\u9ede\u4e0d\u540c\uff0c\u5b83\u5011\u7684\u96fb\u58d3\u4e5f\u5c31\u4e0d\u540c\u3002\u900f\u904e\u4e86\u89e3\u6b50\u59c6\u5b9a\u5f8b\uff08V=IR\uff09\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u5169\u500b\u7d50\u9ede\u5167\u7684\u96fb\u8def\u5305\u542b\u96f6\u4ef6\u8996\u70ba\u4e00\u9846\u96fb\u5b50\u96f6\u4ef6\uff0c\u53ea\u8981\u91cf\u6e2c\u7d50\u9ede\u5169\u7aef\u7684\u963b\u6297\u3001\u96fb\u6d41\u53ca\u96fb\u58d3\u5c31\u53ef\u4ee5\u77e5\u9053\u96fb\u8def\u6709\u7121\u958b\u77ed\u8def\u554f\u984c\u3002)<\/p>\n

\"ICT(In-circuit-Test)\"\u4e00\u822c\u5728\u96fb\u8def\u677f\u7d44\u88dd\u88fd\u7a0b\u4e2d\u4e3b\u8981\u7684\u7f3a\u9677\u5927\u591a\u96c6\u4e2d\u5728\u710a\u63a5\u958b\u8def(open)\u3001\u77ed\u8def(short)\u3001\u504f\u79fb(shift)\u3001\u504f\u659c(skew)\u3001\u7f3a\u4ef6\/\u6f0f\u4ef6(missed)\u3001\u932f\u4ef6(wrong)\u7b49\u65b9\u9762\uff0c\u7d04\u4f54\u4e8690%\u4ee5\u4e0a\u7684\u4e0d\u826f\uff0c<\/font>\u9664\u4e86\u67d0\u4e9b\u7f3a\u9677\u5916\uff0c\u5176\u9918\u90fd\u53ef\u4ee5\u7d93\u7531ICT\u7684\u6e2c\u8a66\u5c07\u4e0d\u826f\u54c1\u767e\u5206\u4e4b\u767e\u6311\u932f\u51fa\u4f86\u3002\u800c\u96f6\u4ef6\u300c\u504f\u79fb\u300d\u5247\u4e0d\u4e00\u5b9a\u53ef\u4ee5\u7d93\u7531ICT\u7684\u96fb\u6e2c\u5075\u6e2c\u51fa\u4f86\uff0c\u56e0\u70ba\u53ea\u8981\u96f6\u4ef6\u8173\u9084\u662f\u6709\u88ab\u710a\u63a5\u5230\u5b9a\u4f4d\u4e14\u9023\u901a\uff0c\u96fb\u6027\u6e2c\u8a66\u7121\u7570\u72c0\u5c31\u7121\u6cd5\u88ab\u5075\u6e2c\u51fa\u4f86\uff0c\u5176\u5be6\u9019\u6a23\u7684\u7f3a\u9677\u7b97\u4e0d\u7b97\u4e0d\u826f\u4e5f\u6709\u5f85\u9032\u4e00\u6b65\u91d0\u6e05\u7684\u7a7a\u9593\uff0c\u4e0d\u4e00\u5b9a\u662f\u4e0d\u826f\u3002\u53e6\u5916\uff0c\u51b7\/\u5047\u710a\u6240\u9020\u6210\u7684\u63a5\u89f8\u4e0d\u7a69(intermittent)\u73fe\u8c61\u4e5f\u4e0d\u4e00\u5b9a\u53ef\u4ee5100%\u88abICT\u6311\u51fa\uff0c\u9019\u500b\u61c9\u8a72\u662f\u6700\u982d\u75db\u7684\u5730\u65b9\uff0c\u56e0\u70baICT\u662f\u85c9\u7531\u96fb\u6027\u6e2c\u8a66\u4f86\u5075\u6e2c\u96fb\u8def\uff0c\u5982\u679c\u6e2c\u8a66\u7684\u6642\u5019\u710a\u9ede\u525b\u597d\u9084\u662f\u63a5\u89f8\u7684\u5c31\u7121\u6cd5\u88ab\u5075\u6e2c\u51fa\u4f86\u3002<\/font><\/p>\n

\u6240\u4ee5ICT\u57fa\u672c\u4e0a\u53ef\u4ee5\u57f7\u884c\u6aa2\u6e2c\u4e0b\u5217\u7684\u529f\u80fd\u6216\u96f6\u4ef6\uff1a<\/strong><\/font><\/p>\n