{"id":2696,"date":"2013-11-13T07:52:00","date_gmt":"2013-11-12T23:52:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=2696"},"modified":"2019-06-24T20:36:09","modified_gmt":"2019-06-24T12:36:09","slug":"mlcc-crack-cause","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2013\/11\/mlcc-crack-cause\/","title":{"rendered":"MLCC\u591a\u5c64\u9676\u74f7\u96fb\u5bb9\u7834\u88c2\u7684\u5e7e\u7a2e\u53ef\u80fd\u539f\u56e0"},"content":{"rendered":"<p><font size=\"3\"><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u591a\u5c64\u9676\u74f7\u96fb\u5bb9\u7834\u88c2\u7684\u53ef\u80fd\u539f\u56e0\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u591a\u5c64\u9676\u74f7\u96fb\u5bb9\u7834\u88c2\u7684\u53ef\u80fd\u539f\u56e0\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_crack.png\" width=\"368\" height=\"166\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e00\u822c\u7684\u96fb\u5bb9(capacitor)\u5728\u767c\u751f\u5fae\u7834\u88c2(micro crack)\u7684\u6642\u5019\u5927\u591a\u6703\u7522\u751f\u958b\u8def\u7684\u73fe\u8c61\uff0c\u4e26\u9020\u6210\u7d55\u7de3\u963b\u6297(IR, Insulation Resistance)\u5347\u9ad8\u7684\u554f\u984c\uff0c\u53ef\u662f\u591a\u5c64\u9676\u74f7\u96fb\u5bb9(MLCC)\u5728\u7d42\u7aef\u4f7f\u7528\u8005\u624b\u4e0a\u767c\u751f\u5fae\u7834\u88c2\u6642\uff0c\u537b\u5e38\u898b\u5176\u7d55\u7de3\u963b\u6297\u8b8a\u5c0f\uff0c\u7522\u751f\u6f0f\u96fb\u6d41(current leakage)\u7684\u77ed\u8def\u73fe\u8c61\uff0c\u6b78\u548e\u5176\u539f\u56e0\u53ef\u80fd\u662f\u7531\u65bc\u5176<\/font><font style=\"background-color: rgb(255, 255, 0);\" size=\"4\">\u5c64\u72c0\u7684\u758a\u69cb<\/font><font size=\"4\">\u5728\u7834\u88c2\u6642\u767c\u751f\u5c64\u8207\u5c64\u4e4b\u9593\u77ed\u8def\u7684\u73fe\u8c61\u6240\u9020\u6210\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u4f60\u5c0dMLCC\u7684\u7d50\u69cb\u9084\u4e0d\u662f\u5f88\u6e05\u695a\uff0c\u5efa\u8b70\u4f60\u5148\u53c3\u8003\u5de5\u4f5c\u718a\u524d\u9762\u5df2\u7d93\u767c\u8868\u904e\u3010<\/font><a href=\"\/\/m.letratesoro.com\/2013\/10\/mlcc\/\" target=\"_blank\" rel=\"noopener noreferrer\"><font size=\"4\">\u4ecb\u7d39\u591a\u5c64\u9676\u74f7\u96fb\u5bb9(MLCC)\u7d50\u69cb\u53ca\u88fd\u7a0b<\/font><\/a><font size=\"4\">\u3011\u7684\u4e00\u6587\u3002<\/font><\/p>\n<p><font style=\"background-color: rgb(255, 255, 0);\" size=\"4\">\u4e0b\u9762\u6211\u5011\u5c31\u4f86\u8ac7\u8ac7\u4e00\u822c\u300c\u591a\u5c64\u9676\u74f7\u96fb\u5bb9\u300d\u767c\u751f\u5fae\u7834\u88c2\u7684\u53ef\u80fd\u539f\u56e0\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5927\u81f4\u4e0a\u53ef\u4ee5\u5c07MLCC\u7834\u88c2\u539f\u56e0\u5206\u6210\u4e0b\u5217\u4e09\u5927\u65b9\u5411\uff1a      <br \/> \uff08\u9019\u4e9b\u984c\u6750\u5927\u591a\u662f\u7db2\u8def\u4e0a\u6536\u96c6\u4f86\u7684\uff0c\u56e0\u70ba\u516c\u53f8\u6700\u8fd1\u6709\u78b0\u5230\u4e00\u4e9b\u96fb\u5bb9\u7684\u554f\u984c\uff0c\u6240\u4ee5\u6587\u7ae0\u5167\u5bb9\u4e26\u975e\u539f\u5275\uff0c\u5167\u6587\u4e5f\u5927\u91cf\u5f15\u7528\u4e86\u7db2\u8def\u4e0a\u5df2\u7d93\u6709\u7684\u4e00\u4e9b\u8cc7\u6599\uff0c\u5982\u679c\u6709\u767c\u73fe\u932f\u8aa4\u6216\u4e0d\u59a5\u7684\u5730\u65b9\uff0c\u6b61\u8fce\u6307\u6b63\u3002\uff09<\/font><\/p>\n<ul>\n<li><font size=\"4\">\u71b1\u885d\u64ca\u7834\u88c2\u5931\u6548\uff08Thermal shock\uff09 <\/font><\/li>\n<li><font size=\"4\">\u626d\u66f2\u7834\u88c2\u5931\u6548\uff08Extrinsic Defect, Overstress Failure\uff09 <\/font><\/li>\n<li><font size=\"4\">\u6750\u6599\u5931\u6548\u7834\u88c2\uff08Intrinsic Defect\uff09 <\/font><\/li>\n<\/ul>\n<p><!--more--><\/p>\n<h4>\n<p><b><font color=\"#9b00d3\" size=\"5\">\u71b1\u885d\u64ca(Thermal Shock)\u5931\u6548\u539f\u7406\uff1a<\/font><\/b><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">\u7576\u96f6\u4ef6\u5468\u906d\u7684\u6eab\u5ea6\u5347\u964d\u592a\u904e\u6025\u4fc3\u6642\u6703\u5f62\u6210\u6240\u8b02\u7684\u300c\u71b1\u885d\u64ca\u73fe\u8c61\u300d\uff0c\u6bd4\u5982\u8aaa\u5728<a href=\"\/\/m.letratesoro.com\/2013\/04\/wave-soldering\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u6ce2\u5cf0\u710a(wave soldering)<\/a>\u3001<a href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-profile\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u56de\u6d41\u710a(reflow)<\/a>\u3001\u4eba\u5de5\u710a\u63a5(touch-up)\u3001\u6216\u4fee\u5fa9(repair)\u6642\u90fd\u6703\u5feb\u901f\u7684\u65bd\u52a0\u9ad8\u6eab\u65bc\u6750\u6599\u4e0a\u3002\u800c\u591a\u5c64\u9676\u74f7\u96fb\u5bb9(MLCC)\u5728\u751f\u7522\u88fd\u9020\u6642\uff0c\u6703\u4f7f\u7528\u591a\u7a2e\u4e0d\u540c\u7684\u76f8\u5bb9\u6750\u6599\uff0c\u9019\u4e9b\u6750\u6599\u6703\u56e0\u70ba\u5176\u5404\u81ea\u4e0d\u540c\u7684\u6750\u6599\u7279\u6027\uff0c\u800c\u6709\u4e0d\u540c\u7684<a href=\"\/\/m.letratesoro.com\/2016\/08\/cte\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u71b1\u81a8\u8139\u4fc2\u6578(CTE)<\/a>\u53ca\u5c0e\u71b1\u7387\uff0c\u7576\u9019\u4e9b\u4e0d\u540c\u7684\u6750\u6599\u540c\u6642\u5b58\u5728\u65bc\u4e00\u9846\u96fb\u5bb9\u7684\u5167\u90e8\u4e14\u6eab\u5ea6\u6025\u901f\u8b8a\u5316\u6642\uff0c\u5c31\u6703\u5f62\u6210\u4e0d\u540c\u6bd4\u7387\u7684\u9ad4\u7a4d\u6539\u8b8a\u4e26\u4e92\u76f8\u63a8\u64e0\u8207\u62c9\u626f\uff0c\u6700\u5f8c\u9020\u6210\u7834\u88c2(crack)\u7684\u73fe\u8c61\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u7a2e\u7834\u88c2\u5f80\u5f80\u5f9e\u7d50\u69cb\u6700\u8106\u5f31\u7684\u5730\u65b9\uff0c\u6216\u662f\u7d50\u69cb\u61c9\u529b\u6700\u96c6\u4e2d\u7684\u5730\u65b9\u958b\u59cb\u767c\u751f\uff0c\u4e00\u822c\u6703\u767c\u751f\u5728\u63a5\u8fd1\u5916\u9732\u7aef\u63a5\u5408\u4e2d\u592e\u9676\u74f7\u4ecb\u9762\u7684\u5730\u65b9\uff0c\u6216\u662f\u53ef\u4ee5\u7522\u751f\u6700\u5927\u6a5f\u68b0\u5f35\u529b\u7684\u5730\u65b9\uff08\u4e00\u822c\u5728\u6676\u9ad4\u6700\u5805\u786c\u7684\u56db\u500b\u89d2\u843d\uff09\u3002<\/font><\/p>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"4\"><strong>\u800c\u71b1\u885d\u64ca\u6240\u9020\u6210\u7684\u4e0d\u826f\u73fe\u8c61\u53ef\u80fd\u6709\u4e0b\u5217\u5e7e\u7a2e\uff1a<\/strong><\/font><\/p>\n<p><font size=\"4\">1.\u5f62\u72c0\u5982\u6307\u7532\u72c0\u6216U\u578b\u7684\u88c2\u7d0b\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u5f62\u72c0\u5982\u6307\u7532\u72c0\u6216U\u578b\u7684\u88c2\u7d0b\u3002\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u5f62\u72c0\u5982\u6307\u7532\u72c0\u6216U\u578b\u7684\u88c2\u7d0b\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_U_shape_crack.png\" width=\"269\" height=\"84\" \/><\/p>\n<p><font size=\"4\">2.\u96b1\u85cf\u5728\u96fb\u5bb9\u5167\u90e8\u7684\u5c0f\u88c2\u7d0b\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u71b1\u885d\u64ca\u7834\u88c2\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u71b1\u885d\u64ca\u7834\u88c2\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_thermal_shock_crack02.png\" width=\"324\" height=\"194\" \/><img loading=\"lazy\" decoding=\"async\" title=\"MLCC_thermal_shock_crack03\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC_thermal_shock_crack03\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_thermal_shock_crack03.png\" width=\"260\" height=\"194\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">3.\u5f9e\u88f8\u9732\u5728\u5916\u7684\u4e2d\u592e\u90e8\u4efd\u6216\u662f\u4e2d\u592e\u9676\u74f7\u7aef\u8207\u5916\u9732\u7aef\u63a5\u5408\u4ecb\u9762\u8655\u7684\u4e0b\u534a\u90e8\u958b\u59cb\u7834\u88c2\uff0c\u7136\u5f8c\u96a8\u8457\u6eab\u5ea6\u8f49\u8b8a\uff0c\u6216\u662f\u65bc\u5f8c\u9762\u7684\u7d44\u88dd\u9032\u884c\u4e2d\uff0c\u9806\u8457\u626d\u66f2\u800c\u8513\u5ef6\u958b\u4f86\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u71b1\u885d\u64ca\u7834\u88c2\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u71b1\u885d\u64ca\u7834\u88c2\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_thermal_shock_crack01.png\" width=\"566\" height=\"301\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u7b2c\u4e00\u7a2e\u7834\u88c2\u5f62\u72c0\u5982\u6307\u7532\u6216U\u5b57\u578b\u7684\u88c2\u7d0b\u8207\u7b2c\u4e8c\u7a2e\u96b1\u85cf\u5728\u5167\u90e8\u7684\u5fae\u88c2\u7d0b\uff0c\u5169\u8005\u7684\u5340\u5225\u53ea\u662f\u5f8c\u8005\u6240\u53d7\u5230\u7684\u5f35\u529b\u8f03\u5c0f\uff0c\u800c\u5c0e\u81f4\u7684\u88c2\u7d0b\u8f03\u8f15\u5fae\u800c\u5df2\uff0c\u7b2c\u4e00\u7a2e\u88c2\u7d0b\u8f03\u70ba\u660e\u986f\uff0c\u4e00\u822c\u53ef\u4ee5\u5728\u91d1\u76f8\u4e2d\u6e2c\u51fa\uff0c\u800c\u7b2c\u4e8c\u7a2e\u53ea\u6709\u7576\u767c\u5c55\u5230\u4e00\u5b9a\u7a0b\u5ea6\u5f8c\u91d1\u76f8\u624d\u53ef\u4ee5\u6aa2\u6e2c\u51fa\u4f86\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\uff08\u8a3b\uff1a\u300c\u91d1\u76f8\u300d(metallographic)\u6307\u7684\u662f\u91d1\u5c6c\u5728\u9ad8\u500d\u986f\u5fae\u93e1\u4e0b\u6240\u5448\u73fe\u51fa\u4f86\u7684\u7d50\u69cb\u5f71\u50cf\uff09<\/font><\/p>\n<p><font size=\"3\"><\/font><\/p>\n<h4>\n<p><font color=\"#9b00d3\" size=\"5\">\u626d\u66f2\u7834\u88c2(overstress)\u3001\u61c9\u529b\u9020\u6210\u7684\u5931\u6548\u539f\u7406\uff1a<\/font><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">\u626d\u66f2\u7834\u88c2\u901a\u5e38\u662f\u7531\u65bc\u5916\u529b(extrinsic)\u6240\u9020\u6210\uff0c\u9019\u7a2e\u60c5\u5f62\u4e00\u822c\u767c\u751f\u5728SMT\u6216\u662f\u6574\u6a5f\u7522\u54c1\u7684\u7d44\u88dd\u904e\u7a0b\u7576\u4e2d\uff0c\u5176\u53ef\u80fd\u539f\u56e0\u6709\u4e0b\u9762\u5e7e\u7a2e\uff1a<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">1.\u8cbc\u7247\u6a5f(pick &amp; place machine)\u6293\u53d6\u96f6\u4ef6\u4e0d\u7576\u9020\u6210\u7834\u88c2\u3002\u7576SMT\u8cbc\u7247\u6a5f\u9032\u884c\u53d6\u653e\u96f6\u4ef6\u6642\uff0c\u5176\u5b9a\u4e2d\u722a(centering jaw)\u56e0\u70ba\u78e8\u640d\u3001\u5c0d\u4f4d\u4e0d\u6e96\u78ba\u3001\u6216\u50be\u659c\u7b49\u539f\u56e0\u9020\u6210\u6293\u53d6\u4e0d\u7a69\u3002\u5b9a\u4e2d\u722a\u96c6\u4e2d\u8d77\u4f86\u7684\u58d3\u529b\uff0c\u6703\u9020\u6210\u5f88\u5927\u7684\u58d3\u529b\u6216\u5207\u65b7\u529b\uff0c\u7e7c\u800c\u5f62\u6210\u7834\u88c2\u9ede\u3002\u9019\u6a23\u7684\u7834\u88c2\u73fe\u8c61\u4e00\u822c\u70ba\u53ef\u898b\u7684\u8868\u9762\u88c2\u7e2b\uff0c\u62162\u81f33\u500b\u96fb\u6975\u9593\u7684\u5167\u90e8\u7834\u88c2\uff1b\u8868\u9762\u7834\u88c2\u4e00\u822c\u6703\u6cbf\u8457\u6700\u5f37\u7684\u58d3\u529b\u7dda\u53ca\u9676\u74f7\u4f4d\u79fb\u7684\u65b9\u5411\u3002\u73fe\u5728\u7684\u65b0\u578bSMT\u6a5f\u5668\u5df2\u7d93\u4e0d\u518d\u4f7f\u7528\u9019\u7a2e\u5b9a\u4e2d\u722a\u8a2d\u8a08\u6a5f\u69cb\u4e86\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u5b9a\u4e2d\u722a\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u5b9a\u4e2d\u722a\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC.png\" width=\"217\" height=\"136\" \/><img loading=\"lazy\" decoding=\"async\" title=\"MLCC_handling_crack01\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC_handling_crack01\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_handling_crack01.png\" width=\"190\" height=\"136\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">2.\u96fb\u5bb9\u5728\u8cbc\u88dd\u904e\u7a0b\u4e2d\uff0c\u5982\u679c\u5feb\u901f\u8cbc\u7247\u6a5f\u7684\u5438\u5634\u53d6\u96f6\u4ef6\u6216\u662f\u64fa\u653e\u96f6\u4ef6\u6642\u58d3\u529b\u904e\u5927\uff0c\u6216\u662f\u5438\u5634(nozzle)\u6a5f\u69cb\u767c\u751f\u5f48\u7c27\u5361\u6b7b\u5c0e\u81f4\u7de9\u885d\u5931\u6548\u3001\u884c\u7a0b\u932f\u8aa4\uff0c\u6709\u53ef\u80fd\u767c\u751f\u96f6\u4ef6\u5f4e\u66f2\u8b8a\u5f62\u5c0e\u81f4\u88c2\u7d0b\u7522\u751f\u3002\u9019\u7a2e\u7834\u88c2\u4e00\u822c\u6703\u5728\u96f6\u4ef6\u7684\u8868\u9762\u5f62\u6210\u4e00\u500b\u5713\u5f62\u6216\u662f\u534a\u6708\u5f62\u7684\u58d3\u75d5\uff0c\u4e26\u4e14\u5e36\u6709\u4e0d\u5713\u6ed1\u7684\u908a\u7de3\u3002\u800c\u9019\u500b\u534a\u6708\u5f62\u6216\u5713\u5f62\u7684\u88c2\u7e2b\u76f4\u5f91\u4e5f\u6703\u8ddf\u5438\u5634\u7684\u5927\u5c0f\u76f8\u540c\u3002\u53e6\u4e00\u7a2e\u56e0\u70ba\u62c9\u529b\u800c\u9020\u6210\u7684\u7834\u88c2\uff0c\u4e5f\u53ef\u80fd\u7531\u5438\u5634\u982d\u6240\u9020\u6210\u7684\u640d\u58de\uff0c\u88c2\u7e2b\u6703\u7531\u7d44\u4ef6\u4e2d\u592e\u7684\u4e00\u908a\u5ef6\u5c55\u5230\u53e6\u4e00\u908a\uff0c\u9019\u4e9b\u88c2\u7e2b\u53ef\u80fd\u6703\u8513\u5ef6\u5230\u7d44\u4ef6\u7684\u53e6\u4e00\u9762\uff0c\u5176\u7c97\u7cd9\u7684\u88c2\u75d5\u53ef\u80fd\u6703\u5c0e\u81f4\u96fb\u5bb9\u5668\u7684\u5e95\u90e8\u7834\u640d\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"MLCC_machine_crack\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC_machine_crack\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_machine_crack.png\" width=\"236\" height=\"89\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">3.\u5c0d\u61c9\u7684\u6210\u5c0d\u710a\u588a(land-pattern)\u5e03\u5c40(layout)\u6642\u5c3a\u5bf8\u4e0d\u5747\u52fb\uff08\u5305\u542b\u4e00\u500b\u710a\u588a\u63a5\u4e86\u5927\u9762\u7a4d\u7684\u9285\u7b94,\uff0c\u53e6\u4e00\u500b\u710a\u588a\u6c92\u6709\uff09\uff0c\u6216\u662f\u5370\u5237\u6642\u932b\u818f\u4e0d\u5c0d\u7a31\uff0c\u4e5f\u5bb9\u6613\u5728\u7d93\u904e\u8ff4\u710a\u7210(Reflow oven)\u6642\u53d7\u5230\u4e0d\u540c\u7684\u71b1\u81a8\u8139\u4f5c\u7528\u529b\uff0c\u4f7f\u55ae\u5074\u53d7\u5230\u8f03\u5927\u7684\u62c9\u529b\u6216\u63a8\u529b\u800c\u8209\u8d77\uff0c\u4ee5\u81f4\u9020\u6210\u88c2\u7d0b\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">4. \u710a\u63a5\u904e\u7a0b\u7684\u71b1\u885d\u64ca\u4ee5\u53ca\u710a\u63a5\u5f8c\u7684\u57fa\u677f\u5f4e\u66f2\u8b8a\u5f62\uff0c\u4e5f\u5bb9\u6613\u5c0e\u81f4\u88c2\u7d0b\u7522\u751f\u3002<\/font><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\">4.1 \u96fb\u5bb9\u5728\u9032\u884c\u6ce2\u5cf0\u710a\u6642\uff0c\u9810\u71b1\u6eab\u5ea6\u3001\u6642\u9593\u4e0d\u8db3\u6216\u710a\u63a5\u6642\u6eab\u5ea6\u904e\u9ad8\uff0c\u4e5f\u5bb9\u6613\u5c0e\u81f4\u88c2\u7d0b\u7522\u751f\u3002 <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\">4.2 \u5728\u624b\u5de5\u710a\u63a5(Touch-up)\u904e\u7a0b\u4e2d\uff0c\u70d9\u9435\u982d(soldering iron)\u76f4\u63a5\u8207\u96fb\u5bb9\u672c\u9ad4\u63a5\u89f8\uff0c\u9020\u6210\u5c40\u90e8\u904e\u71b1\uff0c\u6216\u662f\u65bd\u52a0\u58d3\u529b\u904e\u5927\uff0c\u4e5f\u5bb9\u6613\u5c0e\u81f4\u88c2\u7d0b\u7522\u751f\u3002 <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\">4.3 \u710a\u63a5\u5b8c\u6210\u5f8c\u7d93\u904e\u5206\u677f\/\u88c1\u7248\u3001ICT`\u6216FVT\u6e2c\u8a66\u6642\u4f7f\u7528\u91dd\u5e8a\u65bd\u58d3\u4e0d\u7576\u6216\u662f\u6574\u6a5f\u7d44\u88dd\u6642\u53d7\u529b\u4e0d\u5747\u5c0e\u81f4\u57fa\u677f\u5f4e\u66f2\uff0c\u4e5f\u5bb9\u6613\u5c0e\u81f4\u88c2\u7d0b\u7522\u751f\u3002 <\/font><\/div>\n<\/li>\n<\/ul>\n<p align=\"justify\"><font size=\"4\">\u5728\u6a5f\u68b0\u529b\u4f5c\u7528\u4e0b\u677f\u6750\u5f4e\u66f2\u8b8a\u5f62\u6642\uff0c\u9676\u74f7\u7684\u6d3b\u52d5\u7bc4\u570d\u53d7\u7aef\u4f4d\u53ca\u710a\u9ede\u9650\u5236\uff0c\u7834\u88c2\u5c31\u6703\u5f62\u6210\u5728\u9676\u74f7\u7684\u7aef\u63a5\u754c\u9762\u5916\u8655\uff0c\u9019\u7a2e\u7834\u88c2\u6703\u5f9e\u5f62\u6210\u7684\u4f4d\u7f6e\u958b\u59cb\uff0c\u5f9e45\u5ea6\u89d2\u5411\u7aef\u63a5\u8513\u5ef6\u958b\u4f86\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u6a5f\u68b0\u7834\u58de\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u6a5f\u68b0\u7834\u58de\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_3.png\" width=\"373\" height=\"211\" \/>    <\/p>\n<p><font size=\"4\">\u626d\u66f2\u7834\u88c2\u5931\u6548\u3002SMT\u968e\u6bb5\u5c0e\u81f4\u7684\u7834\u88c2\u5931\u6548\u4e2d\uff0c\u5982\u679c\u7834\u88c2\u8f03\u8f15\u5fae\uff0c\u4e00\u822c\u7121\u6cd5\u7531\u91d1\u76f8\u4e2d\u6aa2\u6e2c\u51fa\u4f86\u3002SMT\u4e4b\u5f8c\u751f\u7522\u968e\u6bb5\u6240\u5c0e\u81f4\u7684\u7834\u88c2\u626d\u66f2\u5931\u6548\uff0c\u91d1\u76f8\u4e00\u5b9a\u53ef\u4ee5\u6aa2\u6e2c\u51fa\u4f86\u3002<\/font><\/p>\n<\/p>\n<hr \/>\n<h4>\n<p><b><font color=\"#9b00d3\" size=\"5\">MLCC\u6750\u6599\u5931\u6548\u7834\u88c2<\/font><\/b><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">MLCC\u7684\u6750\u6599\u5931\u6548\u4e00\u822c\u53c8\u5206\u70ba\u4e09\u5927\u985e\u4e0d\u826f\uff0c\u9019\u985e\u5931\u6548\u901a\u5e38\u4f86\u81ea\u96fb\u5bb9\u5167\u90e8\u7684\u5931\u6548\uff0c\u800c\u4e14\u90fd\u8db3\u4ee5\u640d\u5bb3\u7522\u54c1\u53ef\u9760\u6027 (reliability)\uff0c\u9019\u985e\u554f\u984c\u901a\u5e38\u662f\u8d77\u56e0\u65bcMLCC\u7684\u88fd\u7a0b\u6216\u5176\u6750\u6599\u9078\u7528\u4e0d\u7576\u6240\u5f15\u8d77\u3002<\/font><\/p>\n<p><font color=\"#0000ff\" size=\"4\"><strong>1. \u96fb\u6975\u9593\u5931\u6548\u53ca\u7d50\u5408\u7dda\u7834\u88c2(Delamination)\u3002<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u985e\u4e0d\u826f\u901a\u5e38\u6703\u5f62\u6210\u8f03\u5927\u7684\u88c2\u7e2b\u3002\u5176\u4e3b\u8981\u539f\u56e0\u662f\u56e0\u70ba\u9676\u74f7\u7684\u9ad8\u7a7a\u9699\uff0c\u6216\u4ecb\u96fb\u8cea\u5c64\u8207\u76f8\u5c0d\u96fb\u6975\u9593\u5b58\u5728\u7a7a\u9699\u6240\u5f15\u8d77\uff0c\u4f7f\u5f97\u96fb\u6975\u9593\u7684\u96fb\u4ecb\u8cea\u5c64\u88c2\u958b\uff0c\u9020\u6210\u6f5b\u5728\u7684\u6f0f\u96fb\u5371\u6a5f\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u96fb\u6975\u9593\u5931\u6548\u53ca\u7d50\u5408\u7dda\u7834\u88c2\u3002\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u96fb\u6975\u9593\u5931\u6548\u53ca\u7d50\u5408\u7dda\u7834\u88c2\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_knit02.png\" width=\"316\" height=\"201\" \/>&#160;<img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u96fb\u6975\u9593\u5931\u6548\u53ca\u7d50\u5408\u7dda\u7834\u88c2\u3002\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u96fb\u6975\u9593\u5931\u6548\u53ca\u7d50\u5408\u7dda\u7834\u88c2\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_knit01.png\" width=\"258\" height=\"250\" \/><\/p>\n<p><font color=\"#0000ff\" size=\"4\"><strong>2. \u5b54\u6d1e(Voiding)\u3002<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5b54\u6d1e\u4e00\u822c\u767c\u751f\u65bc\u76f8\u9130\u7684\u5169\u7247\u5167\u96fb\u6975\u4e4b\u9593\uff0c\u6709\u6642\u5019\u751a\u81f3\u6703\u5927\u5230\u591a\u7247\u96fb\u6975\uff0c\u9019\u985e\u4e0d\u826f\u5e38\u5e38\u6703\u5f15\u767c\u96fb\u6975\u9593\u7684\u77ed\u8def\u4e26\u767c\u751f\u6f0f\u96fb\u6d41\u73fe\u8c61\u3002\u7576\u5927\u7a7a\u9699\u7522\u751f\u6642\u4e5f\u53ef\u80fd\u5f71\u97ff\u4e26\u964d\u4f4e\u5176\u96fb\u5bb9\u503c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u985e\u4e0d\u826f\u7684\u539f\u56e0\u901a\u5e38\u4f86\u81eaMLCC\u7684\u88fd\u7a0b\u63a7\u7ba1\u4e0d\u7576\uff0c\u6bd4\u5982\u8aaa\u9676\u74f7\u96fb\u5bb9\u7c89\u672b\u6709\u7570\u7269\u6c61\u67d3\u6216\u662f\u71d2\u7d50\u4e0d\u826f\u6240\u5f62\u6210\u3002<\/font><\/p>\n<p><font size=\"3\"><font size=\"3\"><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u5b54\u6d1e\u4e00\u822c\u767c\u751f\u65bc\u76f8\u9130\u7684\u5169\u7247\u5167\u96fb\u6975\u4e4b\u9593\uff0c\u6709\u6642\u5019\u751a\u81f3\u6703\u5927\u5230\u591a\u7247\u96fb\u6975\uff0c\u9019\u985e\u4e0d\u826f\u5e38\u5e38\u5f15\u767c\u96fb\u6975\u9593\u7684\u77ed\u8def\u4e26\u767c\u751f\u6f0f\u96fb\u6d41\u73fe\u8c61\u3002\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u5b54\u6d1e\u4e00\u822c\u767c\u751f\u65bc\u76f8\u9130\u7684\u5169\u7247\u5167\u96fb\u6975\u4e4b\u9593\uff0c\u6709\u6642\u5019\u751a\u81f3\u6703\u5927\u5230\u591a\u7247\u96fb\u6975\uff0c\u9019\u985e\u4e0d\u826f\u5e38\u5e38\u5f15\u767c\u96fb\u6975\u9593\u7684\u77ed\u8def\u4e26\u767c\u751f\u6f0f\u96fb\u6d41\u73fe\u8c61\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_void_crack.png\" width=\"304\" height=\"194\" \/>&#160;<img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u5b54\u6d1e\u3002\u9019\u985e\u4e0d\u826f\u7684\u539f\u56e0\u901a\u5e38\u4f86\u81eaMLCC\u7684\u88fd\u7a0b\u63a7\u7ba1\uff0c\u6bd4\u5982\u8aaa\u9676\u74f7\u96fb\u5bb9\u7c89\u672b\u6709\u7570\u7269\u6c61\u67d3\u6216\u662f\u71d2\u7d50\u4e0d\u826f\u6240\u5f62\u6210\u3002\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u5b54\u6d1e\u3002\u9019\u985e\u4e0d\u826f\u7684\u539f\u56e0\u901a\u5e38\u4f86\u81eaMLCC\u7684\u88fd\u7a0b\u63a7\u7ba1\uff0c\u6bd4\u5982\u8aaa\u9676\u74f7\u96fb\u5bb9\u7c89\u672b\u6709\u7570\u7269\u6c61\u67d3\u6216\u662f\u71d2\u7d50\u4e0d\u826f\u6240\u5f62\u6210\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_void_crack01.png\" width=\"250\" height=\"194\" \/><\/font><\/font><\/p>\n<p><font color=\"#0000ff\" size=\"4\"><strong>3. \u71c3\u71d2\u7834\u88c2(Firing crack)\u3002<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u71c3\u71d2\u7834\u88c2\u7684\u958b\u88c2\u65b9\u5411\u6703\u8207\u96fb\u6975(electrodes)\u5782\u76f4\uff0c\u4e14\u5927\u90e8\u5206\u6703\u5f9e\u96fb\u6975\u908a\u7de3(electrode edge)\u6216\u7d42\u7aef\u958b\u88c2\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u985e\u7f3a\u9677\u901a\u5e38\u90fd\u6703\u9020\u6210\u904e\u91cf\u7684\u6f0f\u96fb\u6d41(current leakage)\uff0c\u4e26\u640d\u5bb3\u5230\u7d44\u4ef6\u7684\u53ef\u9760\u6027\u3002<\/font><\/p>\n<p><font size=\"4\">\u9019\u985e\u7834\u88c2\u7684\u539f\u56e0\u5927\u591a\u7531\u65bcMLCC\u88fd\u9020\u904e\u7a0b\u51b7\u537b\u904e\u5feb\u6240\u9020\u6210\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u71c3\u71d2\u7834\u88c2\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u71c3\u71d2\u7834\u88c2\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_firing_crack.png\" width=\"220\" height=\"250\" \/><img loading=\"lazy\" decoding=\"async\" title=\"MLCC\u71c3\u71d2\u7834\u88c2\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"MLCC\u71c3\u71d2\u7834\u88c2\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/MLCC_13482\/MLCC_firing_crack02.png\" width=\"336\" height=\"250\" \/><\/p>\n<hr \/>\n<h4>\n<p><font color=\"#9b00d3\" size=\"5\">\u7d50\u8ad6\uff1a<\/font><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">\u7531\u71b1\u885d\u64ca\u6240\u9020\u6210\u7684\u7834\u88c2\u6703\u7531\u96fb\u5bb9\u7684\u8868\u9762\u8513\u5ef6\u5230\u7d44\u4ef6\u5167\u90e8\u3002\u800c\u904e\u5927\u7684\u6a5f\u68b0\u5f35\u529b\u6240\u5f15\u8d77\u7684\u7834\u88c2\uff0c\u5247\u53ef\u7531\u7d44\u4ef6\u8868\u9762\u6216\u5167\u90e8\u5f62\u6210\uff0c\u9019\u4e9b\u7834\u88c2\u5747\u6703\u4ee5\u8fd1\u4e4e45\u5ea6\u89d2\u7684\u65b9\u5411\u8513\u5ef6\u3002\u81f3\u65bc\u539f\u6750\u6599\u5931\u6548\uff0c\u5247\u6703\u5e36\u4f86\u8207\u5167\u90e8\u96fb\u6975\u5782\u76f4\u6216\u5e73\u884c\u7684\u65b9\u5411\u7834\u88c2\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u53e6\u5916\uff0c\u71b1\u885d\u64ca\u7834\u88c2\u4e00\u822c\u7531\u4e00\u500b\u7aef\u63a5\u8513\u5ef6\u5230\u96f6\u4e00\u500b\u7aef\u63a5\uff0c\u7531\u53d6\u653e\u6a5f\u5668\u6240\u9020\u6210\u7684\u7834\u88c2\uff0c\u5728\u7aef\u63a5\u4e0b\u9762\u6703\u51fa\u73fe\u591a\u500b\u7834\u88c2\u9ede\uff1b\u56e0\u96fb\u8def\u677f\u626d\u66f2\u800c\u9020\u6210\u7684\u640d\u58de\uff0c\u901a\u5e38\u53ea\u6709\u4e00\u500b\u7834\u88c2\u9ede\u3002<\/font><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>     <br \/><a href=\"\/\/m.letratesoro.com\/2012\/05\/lcm-gasket\/\"><font size=\"4\">\u986f\u793a\u5668\u5468\u570d\u7684\u7de9\u885d\u6a61\u81a0\u588a\u7247\u8a2d\u8a08<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2013\/10\/cog-chip-on-glass\/\"><font size=\"4\">COG(Chip On Glass)\u4f5c\u696d\u6d41\u7a0b\u53ca\u6ce8\u610f\u4e8b\u9805<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2014\/02\/mlcc-crack-stress\/\"><font size=\"4\">\u9676\u74f7\u96fb\u5bb9(MLCC)\u843d\u4e0b\u5f8c\u7834\u88c2\u4e26\u6389\u843d\u5206\u6790\uff08\u61c9\u529b\uff09<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2017\/07\/mlccterminal-dimension\/\"><font size=\"4\">MLCC\u9676\u74f7\u96fb\u5bb9\u710a\u63a5\u7aef\u9ede\u5c3a\u5bf8\u8207\u96fb\u5bb9\u7834\u88c2\u7684\u5f71\u97ff\u6027<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2013\/02\/hsc-acf\/\"><font size=\"4\">\u521d\u63a2HSC(HeatSeal Connector)\u8207ACF(Anisotropic Conductive Film)\u88fd\u7a0b<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u822c\u7684\u96fb\u5bb9(capacitor)\u5728\u767c\u751f\u5fae\u7834\u88c2(m &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,22,107],"tags":[134,151],"class_list":["post-2696","post","type-post","status-publish","format-standard","hentry","category-process","category-quality","category-tech-introduce","tag-mlcc","tag-151"],"aioseo_notices":[],"views":59376,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/2696"}],"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=2696"}],"version-history":[{"count":0,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/2696\/revisions"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=2696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=2696"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=2696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}