{"id":3111,"date":"2014-10-29T08:32:00","date_gmt":"2014-10-29T00:32:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=3111"},"modified":"2022-02-16T18:22:31","modified_gmt":"2022-02-16T10:22:31","slug":"bga-pad-design","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2014\/10\/bga-pad-design\/","title":{"rendered":"\u5982\u4f55\u8a2d\u8a08\u52a0\u5f37\u7522\u54c1\u7684BGA\u710a\u588a\u5f37\u5ea6\u4ee5\u9632\u6b62BGA\u958b\u88c2\uff08SMD\u8207NSMD\u710a\u588a\u8a2d\u8a08\u7684\u5dee\u7570\u8207\u512a\u7f3a\u9ede\uff09"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" title=\"\u5169\u7a2ePCB\u7684\u710a\u588a\/\u710a\u76e4(pad)\uff0c\u3010Copper Defined Pad Design\u3011\u8207\u3010Solder-mask Defined Pad Design\u3011\u710a\u588a\/\u710a\u76e4\u8a2d\u8a08\u3002\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"\u5169\u7a2ePCB\u7684\u710a\u588a\/\u710a\u76e4(pad)\uff0c\u3010Copper Defined Pad Design\u3011\u8207\u3010Solder-mask Defined Pad Design\u3011\u710a\u588a\/\u710a\u76e4\u8a2d\u8a08\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/BGA-pad_EE62\/BGA-define-pad.png\" width=\"560\" height=\"174\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u96a8\u8457\u516c\u53f8\u7684\u7522\u54c1\u5f9e\u684c\u4e0a\u578b(Desktop)\u6a5f\u7a2e\u6f38\u6f38\u5f80\u624b\u6301\u5f0f(Portable)\u7522\u54c1\u79fb\u52d5\uff0c\u516c\u53f8\u7684\u7522\u54c1\u4e5f\u662f\u8d8a\u505a\u8d8a\u5c0f\uff0c\u5c31\u9023PCB\u4e5f\u8d8a\u505a\u8d8a\u8584\uff0c\u9023\u5e36\u7684\u5728\u8a2d\u8a08\u53ca\u88fd\u9020\u4e0a\u6240\u9762\u81e8\u5230\u7684\u6311\u6230\u4e5f\u8d8a\u4f86\u8d8a\u9ad8\uff0c\u5c24\u5176\u662fBGA\u627f\u53d7\u61c9\u529b\u7684\u80fd\u529b\u8981\u6c42\u8d8a\u4f86\u8d8a\u9ad8\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6700\u8fd1\u5de5\u4f5c\u718a\u78b0\u5230\u6bd4\u8f03\u68d8\u624b\u7684\u554f\u984c\u662f\u3010BGA\u958b\u88c2\u3011\uff0c\u5176\u5be6\u4e4b\u524d\u4e5f\u6709\u78b0\u5230\u904e<a title=\"\u300a\u96f6\u4ef6\u6389\u843d\u300b\u76f8\u95dc\u6587\u7ae0\" href=\"\/\/m.letratesoro.com\/tag\/%e9%9b%b6%e4%bb%b6%e6%8e%89%e8%90%bd\/\" target=\"_blank\" rel=\"noopener\">BGA\u958b\u88c2<\/a>\uff0c\u53ea\u662f\u7576\u6642\u628a<a href=\"\/\/m.letratesoro.com\/2011\/04\/bga-csp-underfill\/\" target=\"_blank\" rel=\"noopener\">underfill(\u5e95\u90e8\u586b\u5145\u81a0)<\/a>\u52a0\u4e0a\u4e4b\u5f8c\u554f\u984c\u5c31\u89e3\u6c7a\u4e86\uff0c\u9019\u6b21\u5247\u662f\u9023underfill\u90fd\u7d66\u88c2\u958b\u4e86\uff0c\u5728\u9084\u6c92\u627e\u5230BGA\u958b\u88c2\u7684\u771f\u6b63\u539f\u56e0\u4ee5\u524d\uff0c\u65b0\u7522\u54c1\u7684\u8a2d\u8a08\u4e5f\u5fc5\u9808\u52a0\u5f37\u710a\u588a\/\u710a\u76e4\u7684\u5f37\u5ea6\u8a2d\u8a08\u624d\u884c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u525b\u597d\u677f\u5ee0\u6709\u5728\u4ecb\u7d39\u9019\u7a2e\u3010<strong><font color=\"#0000ff\">Solder-Mask-Defined (SMD)<\/font><\/strong>\u3011\u9632\u710a\u958b\u7a97\u9650\u5b9a\u710a\u588a\u5927\u5c0f\u7684\u8a2d\u8a08\uff0c\u53ef\u4ee5\u52a0\u5f37BGA\u710a\u588a\u7684\u5f37\u5ea6\uff0c\u4e5f\u53ef\u4ee5\u6e1b\u5c11\u710a\u588a\u6574\u584a\u88abBGA\u5f9eFR4\u6495\u88c2\u62c9\u958b\u7684\u6a5f\u7387\uff0c\u73fe\u5728\u5c31\u4f86\u770b\u770bPCB\u677f\u5ee0\u5efa\u8b70\u5982\u4f55\u8a2d\u8a08\u9019\u7a2eSMD\u4ecb\u7d39\u5427\uff01<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e00\u822cPCB\u7684\u710a\u588a\/\u710a\u76e4(pad)\u6709\u5169\u7a2e\u8a2d\u8a08\uff0c\u4e00\u7a2e\u662f\u9285\u7b94\u7368\u7acb\u70ba\u710a\u588a(pad)\uff0csolder-mask(\u7da0\u6f06)\u7684\u958b\u7a97\u5927\u65bc\u710a\u588a\uff0c\u7a31\u4e4b\u70ba\u3010Copper Defined Pad Design\u3011\u6216\u3010<strong><font color=\"#0000ff\">Non-Solder-Mask-Defined\uff0cNSMD<\/font><\/strong>\u3011\uff0c<\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"center\"><font size=\"3\"><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u710a\u6bbf(Cpper Defined Design)(Non-SolderMask Defined, NSMD)\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"\u4e00\u822cPCB\u7684\u710a\u588a\/\u710a\u76e4(pad)\u6709\u5169\u7a2e\u8a2d\u8a08\uff0c\u4e00\u7a2e\u662f\u9285\u7b94\u7368\u7acb\u70ba\u710a\u588a(pad)\uff0c[solder mask]\u958b\u7a97\u5927\u65bcpad\uff0c\u7a31\u70ba\u3010Copper Defined Pad Design\u3011\uff0c\u9019\u7a2e\u710a\u588a\u8a2d\u8a08\u7684\u512a\u9ede\u662f\u710a\u932b\u6027\u4f73\uff0c\u56e0\u70ba\u5728\u710a\u588a\u7684\u4e09\u9762\u90fd\u53ef\u4ee5\u5403\u4e0a\u932b\uff0c\u800c\u4e14\u4e5f\u53ef\u4ee5\u7cbe\u6e96\u7684\u63a7\u5236\u710a\u588a\u7684\u4f4d\u7f6e\u8207\u5927\u5c0f\uff0c\u53e6\u5916\u8d70\u7dda(trace)\u4e5f\u6bd4\u8f03\u5bb9\u6613\u4f48\u7dda\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/BGA-pad_EE62\/BGA_copper-defined-design.png\" width=\"388\" height=\"262\" \/><\/font><\/p>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>NSMD(Non-Solder Mask Defined)\u9285\u7b94\u7368\u7acb\u710a\u588a<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u7a2e\u3010<strong><font color=\"#0000ff\">Non-Solder-Mask-Defined\uff0cNSMD<\/font><\/strong>\u3011\u710a\u588a\u8a2d\u8a08\u7684<strong><font color=\"#0000ff\">\u512a\u9ede<\/font><\/strong>\u662f\u710a\u932b\u6027\u8f03\u4f73\uff0c\u56e0\u70ba\u5728\u710a\u588a\u7684\u4e09\u9762(\u8868\u9762\u53ca\u74b0\u5074\u9762)\u90fd\u53ef\u4ee5\u5403\u5230\u932b\uff0c\u800c\u4e14\u4e5f\u53ef\u4ee5\u8f03\u7cbe\u6e96\u7684\u63a7\u5236\u710a\u588a\u7684\u4f4d\u7f6e\u8207\u5927\u5c0f\uff0c\u53e6\u5916layout\u5de5\u7a0b\u5e2b\u5728\u8d70\u7dda(trace)\u6642\u4e5f\u6bd4\u8f03\u5bb9\u6613\u4f48\u7dda\uff0c\u56e0\u70ba\u710a\u588a\u5c3a\u5bf8\u76f8\u5c0d\u6bd4\u8f03\u5c0f\uff0ctrace\u53ef\u4ee5\u8f15\u6613\u7684\u901a\u904eBGA\u7684\u710a\u588a\u8207\u710a\u588a\u4e4b\u9593\u3002<\/font><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" title=\"BGA pad with copper defined pad design\uff08NSMD\u8a2d\u8a08\u7684\u710a\u588a\uff0c\u7da0\u6f06\u958b\u5b54\u6bd4\u710a\u588a\u5927\uff09\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA pad with copper defined pad design\uff08NSMD\u8a2d\u8a08\u7684\u710a\u588a\uff0c\u7da0\u6f06\u958b\u5b54\u6bd4\u710a\u588a\u5927\uff09\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/BGA-pad_EE62\/BGA-copper-defined-pad.png\" width=\"472\" height=\"355\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u4f46\u662f<strong><font color=\"#ff0000\">NSMD\u7684\u7f3a\u9ede<\/font><\/strong>\u662f\u710a\u588a\u9285\u7b94\u6bd4\u8f03\u5bb9\u6613\u88ab\u5916\u529b\u6495\u88c2\u958b\u4f86\uff0c\u56e0\u70ba\u710a\u588a\u8f03\u5c0f\uff0c\u6240\u4ee5\u710a\u588a\u9644\u8457\u65bc\u96fb\u8def\u677f\u7684\u529b\u9053\u4e5f\u5c31\u76f8\u5c0d\u8f03\u5c0f\u3002\u5176\u6b21\uff0c\u710a\u588a\u7684\u5916\u578b\u5bb9\u6613\u56e0\u70ba\u8d70\u7dda\u9032\u51fa\u710a\u588a\u7684\u591a\u5be1\u53ca\u5927\u5c0f\u800c\u8b8a\u5f62\uff0c\u9032\u800c\u5f71\u97ff\u5230\u710a\u588a\u7684\u5927\u5c0f\u53ca\u5f62\u72c0\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u7a2eBGA\u710a\u588a\u8a2d\u8a08\u901a\u5e38\u9700\u8981\u4f34\u96a8\u4f7f\u7528Underfill\u4f86\u52a0\u5f37<a href=\"\/\/m.letratesoro.com\/2011\/09\/unit-drop-test\/\" target=\"_blank\" rel=\"noopener\">\u843d\u4e0b\u6e2c\u8a66(drop test)<\/a>\u53ca<a href=\"\/\/m.letratesoro.com\/2013\/04\/tumble-test\/\" target=\"_blank\" rel=\"noopener\">\u6efe\u52d5\u6e2c\u8a66(Tumble test)<\/a>\u6642BGA\u627f\u53d7\u5916\u529b\u7684\u80fd\u529b\u3002<\/font><\/p>\n<p align=\"center\"><font size=\"3\"><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u710a\u6bbf\u7684(Soldermask Defined Design, SMD)\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"\u4e00\u822cPCB\u7684\u710a\u588a\/\u710a\u76e4(pad)\u6709\u5169\u7a2e\u8a2d\u8a08\uff0c\u53e6\u4e00\u7a2e\u710a\u588a\u7684\u8a2d\u8a08\u662f\u5c07[solder mask](\u7da0\u6f06\/\u7da0\u6cb9)\u8986\u84cb\u65bc\u9285\u7b94\u4e0a\u4e26\u9732\u51fa\u6c92\u6709\u88abmask\u7684\u9285\u7b94\u5f62\u6210\u710a\u588a(pad)\uff0c\u9019\u7a2e\u710a\u588a\u8a2d\u8a08\u7a31\u70ba\u3010Solder-mask Defined Pad Design\u3011\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/BGA-pad_EE62\/BGA_soldermask-defined-design.png\" width=\"395\" height=\"262\" \/><\/font><\/p>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>SMD(Solder Mask Defined)\u9632\u710a\u9650\u5b9a\u710a\u588a<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u53e6\u4e00\u7a2e\u710a\u588a\u7684\u8a2d\u8a08\u662f\u5c07solder-mask(\u7da0\u6f06\/\u7da0\u6cb9)\u8986\u84cb\u65bc\u9285\u7b94\u4e0a\u4e26\u9732\u51fa\u6c92\u6709\u88abmask\u7684\u9285\u7b94\u4f86\u5f62\u6210\u710a\u588a(pad)\uff0c\u9019\u7a2e\u710a\u588a\u8a2d\u8a08\u7a31\u70ba\u3010Solder-mask Defined Pad Design\uff0cSMD\u3011\u3002\u9019\u7a2e\u710a\u588a\u8a2d\u8a08\u53ef\u4ee5\u6709\u6548\u52a0\u5f37\u710a\u588a\u7684\u5f37\u5ea6(strength)\uff0c\u4e26\u4e14\u5f37\u5316\u843d\u4e0b\u6e2c\u8a66(drop test)\u6642\u7684\u627f\u53d7\u80fd\u529b\u3002\u4f9d\u64da\u677f\u5ee0\u5be6\u9a57\u6e2c\u8a66\u7d50\u679c\uff0c\u9019\u7a2e\u3010Solder-mask Defined Pad Design\u3011\u710a\u588a\u8a2d\u8a08\u7684\u62c9\u529b\u627f\u53d7\u80fd\u529b\u6bd4\u3010Copper Defined Pad Design\u3011\u63d0\u6607\u4e8653%\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\" size=\"4\"><strong>\uff08\u8acb\u6ce8\u610f\uff1a\u9019\u500b\u5be6\u9a57\u6e2c\u8a66\u6578\u64da\u6c92\u6709\u690d\u7403\uff0c\u4e5f\u5c31\u662f\u7d14\u7cb9\u62c9\u710a\u588a\u800c\u5df2\uff0c\u5982\u679c\u8981\u6e2c\u8a66BGA\u932b\u7403\u710a\u63a5\u5f8c\u627f\u53d7\u61c9\u529b\u7684\u80fd\u529b\uff0c\u5c31\u5fc5\u9808\u8981\u710a\u63a5\u5f8c\u62c9\u932b\u7403\u624d\u6703\u6bd4\u8f03\u5ba2\u89c0\uff0c\u8acb\u4e0d\u8981\u88ab\u9019\u500b\u6578\u64da\u8aa4\u5c0e!\uff09<\/strong><\/font><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" title=\"BGA with solder-mask defined pad design\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA with solder-mask defined pad design\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/BGA-pad_EE62\/BGA-soldermask-defined-example.png\" width=\"472\" height=\"378\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u4f46\u662f\uff0c\u76f8\u5c0d\u7684SMD\u710a\u588a\u7684\u7f3a\u9ede\u5c31\u662f\u710a\u932b\u6027\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u56e0\u70baSolder-Mask(\u7da0\u6f06)\u6703\u53d7\u5230\u56de\u710a\u7210\u9ad8\u6eab\u7684\u5f71\u97ff\u800c\u81a8\u8139\uff0c\u9032\u800c\u5f71\u97ff\u5230\u932b\u818f\u7684\u5403\u932b\u9762\u7a4d\uff0c\u53e6\u4e00\u500b\u554f\u984c\u5247\u662f\u7da0\u6f06\u7684\u5370\u5237\u7684\u4f4d\u7f6e\u5b9a\u4f4d\u6bd4\u9285\u7b94\u4f86\u5f97\u5dee\uff0c\u4e5f\u5c31\u662f\u7da0\u6f06\u5370\u5237\u7684\u504f\u5dee\u91cf\u6bd4\u9285\u7b94\u4f86\u7684\u5927\u591a\u4e86\uff0c\u6709\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u710a\u588a\u7684\u5927\u5c0f\u53ca\u76f8\u5c0d\u4f4d\u7f6e\u3002\u518d\u4f86\u662f\u56e0\u70ba\u9285\u7b94\u7684\u9762\u7a4d\u52a0\u5927\u4e86\uff0c\u6240\u4ee5\u76f8\u5c0d\u7684\u53ef\u4ee5\u8d70\u7dda\u7684\u5340\u57df\u4e5f\u5c31\u8b8a\u5c0f\u4e86\uff0c\u8d70\u7dda\u76f8\u5c0d\u8b8a\u5f97\u66f4\u56f0\u96e3\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e0d\u904e\uff0c\u5373\u4f7f\u3010Solder-mask Defined Pad Design\u3011\u6709\u9019\u4e9b\u710a\u932b\u6027\u8b8a\u5dee\u53ca\u8d70\u7dda\u8b8a\u96e3\u7684\u554f\u984c\uff0c\u5c0d\u65bc\u624b\u6301\u5f0f\u7684\u7522\u54c1\u9084\u662f\u5f88\u503c\u5f97\u53bb\u8cde\u8a66\uff0c\u7562\u7adf\u9019\u7a2e\u8a2d\u8a08\u53ef\u4ee5\u63d0\u6607BGA\u6574\u9ad4\u7684\u5f37\u5ea6\uff0c\u63d0\u9ad8\u4fe1\u8cf4\u5ea6\uff0c\u5982\u679c\u53ef\u4ee5\u56e0\u6b64\u4e0d\u7528\u52a0\u9edeUnderfill\u81a0\uff0c\u90a3\u5c31\u5b8c\u7f8e\u4e86\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\" size=\"4\"><strong>\uff08\u8acb\u6ce8\u610f\uff1a\u5de5\u4f5c\u718a\u500b\u4eba\u5c0dBGA\u710a\u588a\u8a2d\u8a08\u61c9\u8a72\u63a1\u7528SMD\u6216NSMD\u7684\u5efa\u8b70\u662f\u9700\u8981\u4f9d\u7167\u500b\u5225\u7522\u54c1\u800c\u5b9a\uff0c\u4e26\u6c92\u6709\u8aaa\u90a3\u4e00\u7a2e\u710a\u588a\u8a2d\u8a08\u4e00\u5b9a\u6bd4\u8f03\u597d\uff0c\u5de5\u4f5c\u718a\u7684\u90e8\u843d\u683c\u4e2d\u6709\u591a\u7bc7\u6587\u7ae0\u63a2\u8a0e\u9019\u500b\u8b70\u984c\uff0c<em><font color=\"#9b00d3\" size=\"5\">\u5efa\u8b70\u4e00\u5b9a\u8981\u628a\u9019\u4e9b\u6587\u7ae0\u90fd\u7ffb\u51fa\u4f86\u53c3\u8003\u4e00\u4e0b\uff0c\u800c\u4e0d\u8981\u55ae\u770b\u4e00\u7bc7\u6587\u7ae0\u505a\u6c7a\u5b9a!<\/font><\/em>\uff09<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e0b\u9762\u7684\u5716\u7247\u8aaa\u660e\u3010Solder-mask Defined Pad Design\u3011\u53ca\u3010Copper Defined Pad Design\u3011\u710a\u588a\u8a2d\u8a08\u7684\u62c9\u529b\u6e2c\u8a66\u7d50\u679c(155-101)\/101=53%\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\" size=\"4\"><strong>\uff08\u8acb\u6ce8\u610f\uff1a\u9019\u500b\u6e2c\u8a66\u6c92\u6709\u690d\u7403\uff0c\u4e5f\u5c31\u662f\u7d14\u7cb9\u62c9\u710a\u588a\u800c\u5df2\uff0c\u5982\u679c\u8981\u6e2c\u8a66BGA\u932b\u7403\u710a\u63a5\u5f8c\u627f\u53d7\u61c9\u529b\u7684\u80fd\u529b\uff0c\u5c31\u5fc5\u9808\u8981\u710a\u63a5\u5f8c\u62c9\u932b\u7403\uff0c\u8acb\u4e0d\u8981\u88ab\u9019\u500b\u6578\u64da\u8aa4\u5c0e\uff09<\/strong><\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Pull force for solde-rmask defined pad design\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"Pull force for solde-rmask defined pad design\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/BGA-pad_EE62\/Pull-force-soldermask-defined.png\" width=\"578\" height=\"610\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Pull force for copper defined pad design\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"Pull force for copper defined pad design\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/BGA-pad_EE62\/Pull-force-copper-defined.png\" width=\"591\" height=\"611\" \/><\/p>\n<ul>\n<li><font size=\"4\">With laser\uff1a\u8868\u793aBGA\u710a\u588a\u4e0a\u8a2d\u8a08\u6709\u96f7\u5c04\u5c0e\u901a\u5b54(via)<\/font><\/li>\n<li><font size=\"4\">Without laser\uff1a\u8868\u793aBGA\u710a\u588a\u4e0a<font color=\"#ff0000\">\u7121<\/font>\u96f7\u5c04\u5c0e\u901a\u5b54(via)<\/font><\/li>\n<\/ul>\n<p><font size=\"4\">BGA\u710a\u588a\u4e0a\u6709\u96f7\u5c04\u5c0e\u901a\u5b54\u7684\u710a\u588a\u5c0d\u6297\u62c9\u529b\u80fd\u529b\u6bd4\u7121\u96f7\u5c04\u5c0e\u901a\u5b54\u512a\u79c0\uff0c\u4f46\u662f\u5c0e\u901a\u5b54\u5fc5\u9808\u8981\u96fb\u934d\u585e\u5b54\uff0c\u5426\u5247SMT\u4f5c\u696d\u6642\u932b\u91cf\u53ef\u80fd\u6703\u4e0d\u8db3\u9020\u6210\u7a7a\u710a\u6216\u662f\u932b\u818f\u8986\u84cb\u4f4f\u5c0e\u901a\u5b54\u9020\u6210\u7206\u5b54\u7684\u554f\u984c\u3002<\/font><\/p>\n<hr \/>\n<p><font color=\"#0000ff\" size=\"5\"><strong> \u90e8\u843d\u683c\u4e2d\u5176\u4ed6\u8207SMD\u53caNSMD\u710a\u588a\u8a2d\u8a08\u76f8\u95dc\u7684\u6587\u7ae0\uff1a<\/strong><\/font>   <\/p>\n<ul>\n<li><a href=\"\/\/m.letratesoro.com\/2019\/11\/smdnsmd\/\"><font size=\"4\">SMD\u548cNSMD\u710a\u588a\u8a2d\u8a08\u7684\u5340\u5225\u3001\u512a\u7f3a\u9ede\u8207\u4f7f\u7528\u6642\u6a5f\u5efa\u8b70<\/font><\/a><\/li>\n<li>\n<div align=\"justify\"><a href=\"\/\/m.letratesoro.com\/2018\/10\/shear-pull-bga-ball\/\"><font size=\"4\">\u5be6\u9a57\u6bd4\u8f03SMD\u8207NSMD\u710a\u588a\u8a2d\u8a08\u63a8\u7403\u53ca\u62c9\u529b\u6e2c\u8a66\u5c0dBGA\u932b\u88c2\u7684\u5f71\u97ff<\/font><\/a><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><a href=\"\/\/m.letratesoro.com\/2018\/09\/smd_nsmd\/\"><font size=\"4\">\u70ba\u4e86\u5c0d\u6297\u932b\u7403\u88c2\u958b\uff0cBGA\u710a\u588a\u61c9\u8a72\u8a2d\u8a08\u6210SMD\u6216NSMD\uff1fSMD\u8207NSMD\u7684\u512a\u7f3a\u9ede<\/font><\/a><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><a href=\"\/\/m.letratesoro.com\/2018\/03\/solder-crack-study-05\/\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216BGA\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(5)\uff1f\u589e\u52a0\u710a\u932b\u7684\u63a5\u89f8\u9762\u7a4d\u4ee5\u589e\u52a0\u710a\u932b\u5f37\u5ea6<\/font><\/a><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><a href=\"\/\/m.letratesoro.com\/2018\/03\/solder-crack-study-06\/\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216BGA\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(6)\uff1f\u5de5\u4f5c\u718a\u500b\u4eba\u7d66BGA\u710a\u588a\u8a2d\u8a08\u7684\u5efa\u8b70<\/font><\/a><\/div>\n<\/li>\n<\/ul>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>   <br \/><a href=\"\/2012\/01\/penetration-accept-criteria\/\"><font size=\"4\">\u7d05\u58a8\u6c34\u67d3\u7d05\u6e2c\u8a66\u5206\u6790\u7684\u5141\u6536\u6a19\u6e96<\/font><\/a>&#160; <br \/><a href=\"\/2012\/02\/bga-hip\/\"><font size=\"4\">BGA\u6795\u982d\u6548\u61c9(head-in-pillow)\u767c\u751f\u7684\u53ef\u80fd\u539f\u56e0<\/font><\/a>&#160; <br \/><a href=\"\/2011\/03\/bga-dropped\/\"><font size=\"4\">\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u96a8\u8457\u516c\u53f8\u7684\u7522\u54c1\u5f9e\u684c\u4e0a\u578b(Desktop)\u6a5f\u7a2e\u6f38\u6f38 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,16,22,4],"tags":[47,120],"aioseo_notices":[],"views":33409,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/3111"}],"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=3111"}],"version-history":[{"count":3,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/3111\/revisions"}],"predecessor-version":[{"id":10087,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/3111\/revisions\/10087"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=3111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=3111"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=3111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}