{"id":7522,"date":"2018-10-31T08:28:00","date_gmt":"2018-10-31T00:28:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=7522"},"modified":"2023-02-14T09:57:18","modified_gmt":"2023-02-14T01:57:18","slug":"shear-pull-bga-ball","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2018\/10\/shear-pull-bga-ball\/","title":{"rendered":"\u5be6\u9a57\u6bd4\u8f03SMD\u8207NSMD\u710a\u588a\u8a2d\u8a08\u63a8\u7403\u53ca\u62c9\u529b\u6e2c\u8a66\u5c0dBGA\u932b\u88c2\u7684\u5f71\u97ff"},"content":{"rendered":"<p align=\"justify\"><font size=\"4\"><img decoding=\"async\" title=\"\u5be6\u9a57\u6bd4\u8f03SMD\u8207NSMD\u710a\u588a\u8a2d\u8a08\u63a8\u7403\u53ca\u62c9\u529b\u6e2c\u8a66\u5c0dBGA\u7684\u5f71\u97ff\" alt=\"\u5be6\u9a57\u6bd4\u8f03SMD\u8207NSMD\u710a\u588a\u8a2d\u8a08\u63a8\u7403\u53ca\u62c9\u529b\u6e2c\u8a66\u5c0dBGA\u7684\u5f71\u97ff\u3002\u70ba\u4ec0\u9ebc\u8981\u63a2\u8a0eBGA\u710a\u588a\/\u710a\u76e4\u7684 SMD(Solder-Mask Defined) \u8207 NSMD(Non-Solder-Mask-Defined) \u8a2d\u8a08\uff1f\u662f\u70ba\u4e86\u53ef\u4ee5\u8b93BGA\u589e\u52a0\u62b5\u6297\u5916\u61c9\u529b\u885d\u64ca\u800c\u9020\u6210\u932b\u88c2\u7684\u554f\u984c\u3002\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_ball_Shear_Pull_test.jpg\" \/>\u5de5\u4f5c\u718a\u4e4b\u524d\u6709\u64b0\u6587\u8aaa\u660e\u904e\u3010<\/font><a href=\"\/\/m.letratesoro.com\/2018\/09\/smd_nsmd\/\"><font size=\"4\">BGA\u710a\u588a\u61c9\u8a72\u8a2d\u8a08\u6210SMD\u6216NSMD\u624d\u80fd\u6709\u6548\u5c0d\u6297\u932b\u7403\u958b\u88c2\u7684\u554f\u984c<\/font><\/a><font size=\"4\">\u3011\uff0c\u6700\u958b\u59cb\u7684\u6642\u5019\u6211\u5011RD\u62ff\u6574\u9846BGA-IC\u53bb\u505a\u62c9\u62d4\u529b\u7684\u6e2c\u8a66\uff0c\u7d50\u679c\u7576\u7136\u7121\u6cd5\u53c3\u8003\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u70ba\u4ec0\u9ebc\u8981\u63a2\u8a0eBGA\u710a\u588a\/\u710a\u76e4\u7684 <strong><font color=\"#0000ff\">SMD(Solder-Mask Defined)<\/font> <\/strong>\u8207 <strong><font color=\"#0000ff\">NSMD(Non-Solder-Mask-Defined)<\/font> <\/strong>\u8a2d\u8a08\uff1f\u662f\u70ba\u4e86\u53ef\u4ee5\u8b93BGA\u589e\u52a0\u62b5\u6297\u5916\u61c9\u529b\u885d\u64ca\u800c\u9020\u6210\u932b\u88c2\u7684\u554f\u984c\uff0c\u96d6\u7136\u6700\u7d42\u7d50\u8ad6BGA\u61c9\u8a72\u8a2d\u8a08\u6210SMD\u6216NSMD\u4e26\u6c92\u6709\u592a\u660e\u986f\u7684\u5dee\u7570\uff0c\u4f46\u5728\u96fb\u8def\u677f\u7684BGA\u710a\u588a\u63a1\u7528\u3010NSMD+plugged-via\u3011\u9084\u662f\u6211\u5011\u7684\u8a2d\u8a08\u65b9\u5411\u6c92\u6709\u6539\u8b8a\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\">\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><font size=\"4\">\u5f8c\u4f86\u53e6\u5916\u4e00\u500b\u6848\u5b50\u9032\u884c\u6642\uff0c\u5728\u5de5\u4f5c\u718a\u7684\u5efa\u8b70\u4e4b\u4e0b\u76f4\u63a5\u5728PCB\u690d\u4e0aBGA\u7684\u932b\u7403\uff0c\u7136\u5f8c\u5c0d\u932b\u7403\u76f4\u63a5\u505a\u63a8\u529b(shear)\u53ca\u62c9\u529b(Pull)\u6e2c\u8a66\u5be6\u9a57\uff0c\u672c\u6587\u5c07\u8aaa\u660e\u9019\u6b21\u932b\u7403\u63a8\u62c9\u529b\u6e2c\u8a66\u7684\u7d50\u679c\u8207\u4e00\u4e9b\u500b\u4eba\u611f\u60f3\u3002\u63a8\u529b\u6e2c\u8a66\u7684\u6b63\u5f0f\u540d\u7a31\u61c9\u8a72\u70ba\u932b\u7403\u5074\u5411\u7684\u526a\u5207\u529b\u6e2c\u8a66\uff0c\u70ba\u4e86\u65b9\u4fbf\uff0c\u672c\u6587\u4ee5\u300c\u63a8\u529b\u300d\u4f86\u7a31\u547c\u4e4b\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u6b21\u5be6\u9a57\u7684\u76ee\u7684\u5728\u9a57\u8b49BGA\u710a\u588a\u8a2d\u8a08\u6642\u61c9\u8a72\u63a1\u7528SMD\u6216NSMD\u624d\u80fd\u627f\u53d7\u8f03\u5927\u7684\u885d\u64ca\u61c9\u529b(stress)\u3002\u53e6\u5916\uff0c\u770b\u500c\u5011\u9084\u8a18\u5f97\u5de5\u4f5c\u718a\u4e4b\u524d\u66fe\u7d93\u64b0\u6587\u5206\u4eab\u904eBGA\u710a\u588a\u8a2d\u8a08\u7684\u5efa\u8b70\u55ce\uff1f\u3010<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><font size=\"4\">\u3011\uff0c\u5de5\u4f5c\u718a\u8a8d\u70baBGA\u6700\u597d\u7684\u710a\u588a\u8a2d\u8a08\u5efa\u8b70\u70ba\u3010NSMD+plugged-via(\u585e\u5b54)\u3011\uff0c\u9019\u88e1\u7684via\u662fmicro-via\u4e26\u4f7f\u7528\u934d\u9285\u586b\u5b54\u88fd\u7a0b\uff0c\u6240\u4ee5\u5be6\u9a57\u4e2d\u4e5f\u52a0\u5165\u4e86via-in-pad\u4e26\u586b\u5b54\u7684\u53c3\u6578\u3002<\/font><\/font><\/p>\n<p><font size=\"4\"><\/font><\/p>\n<p> <font size=\"4\">   <\/p>\n<p align=\"justify\"><font size=\"4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/SMD_NSMD-pad-via.png\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5be6\u9a57\u4ee5\u524d\uff0c\u5de5\u4f5c\u718a\u5176\u5be6\u6709\u53bb\u8acb\u6559\u904e\u4e00\u4e9b\u5c08\u5bb6\uff0c\u6240\u5f97\u5230\u7684\u56de\u7b54\u662f\u8aaa\u9019\u6a23\u5be6\u9a57\u51fa\u4f86\u7684\u7d50\u679c\u8aa4\u5dee\u5176\u5be6\u9084\u662f\u975e\u5e38\u5927\uff0c\u80fd\u4e0d\u80fd\u7576\u4f5c\u53c3\u8003\u5b58\u7591\uff0c\u56e0\u70ba\u5f88\u591a\u53c3\u6578\u90fd\u6703\u5f71\u97ff\u5176\u7d50\u679c\uff0c\u6bd4\u5982\u8aaa\u56de\u710a\u7684\u689d\u4ef6\u3001\u932b\u7403\u710a\u63a5\u5f8c\u7684\u5f62\u72c0\uff0c\u63a8\u62c9\u529b\u7684\u901f\u5ea6\u4f4d\u7f6e\u3001\u5be6\u9a57\u7684\u6578\u91cf&#8230;\u7b49\uff0c\u6240\u4ee5\u770b\u500c\u5011\u5c31\u7576\u4f5c\u662f\u770b\u5c0f\u8aaa\u4f86\u770b\u9019\u7bc7\u6587\u7ae0\u5c31\u597d\u4e86\uff0c\u4e0d\u9700\u8981\u592a\u8f03\u771f\u3002<\/font><\/p>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>BGA\u932b\u7403\u63a8\u529b(shear)\u53ca\u62c9\u529b(Pull)\u6e2c\u8a66\u5be6\u9a57\u689d\u4ef6\u53ca\u53c3\u6578\uff1a<\/strong><\/font><\/p>\n<p><img decoding=\"async\" title=\"BGA\u932b\u7403\u63a8\u529b(shear)\u53ca\u62c9\u529b(Pull)\u6e2c\u8a66\u6e96\u5099\" alt=\"BGA\u932b\u7403\u63a8\u529b(shear)\u53ca\u62c9\u529b(Pull)\u6e2c\u8a66\u6e96\u5099\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_ball_test01.jpg\" \/><\/p>\n<ul>\n<li><font size=\"4\">\u932b\u7403\u76f4\u5f91(ball diameter)\uff1a0.4mm<\/font><\/li>\n<li><font size=\"4\">\u677f\u6750(Laminate)\uff1aFR4, TG150<\/font><\/li>\n<li><font size=\"4\">\u677f\u539a(Thickness)\uff1a1.6mm<\/font><\/li>\n<li><font size=\"4\">\u96fb\u8def\u677f\u8868\u9762\u8655\u7406(Finished)\uff1aENIG\uff08\u5316\u93b3\u6d78\u91d1\uff09<\/font><\/li>\n<li><font size=\"4\">\u932b\u7403\u5408\u91d1(Ball solder alloy)\uff1aSAC305<\/font><\/li>\n<li><font size=\"4\">\u932b\u818f\u5408\u91d1(Solder paste alloy)\uff1aSAC305<\/font><\/li>\n<li><font size=\"4\">\u526a\u529b\u6e2c\u8a66\u901f\u5ea6(Shear at speeds)\uff1a5000um\/sec<\/font><\/li>\n<li><font size=\"4\">\u526a\u529b\u6e2c\u8a66\u63a8\u7403\u9ad8\u5ea6\u4f4d\u7f6e(shear tool standoff): 10%<\/font><\/li>\n<li><font size=\"4\">NSMD\u710a\u588a\u5927\u5c0f(\u76f4\u5f91)\uff1a0.35mm(pad), 0.40mm(S\/M)<\/font><\/li>\n<li><font size=\"4\">SMD\u710a\u588a\u5927\u5c0f(\u76f4\u5f91)\uff1a0.35mm(S\/M), 0.40mm(pad)<\/font><\/li>\n<\/ul>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>BGA\u932b\u7403\u63a8\u529b(shear)\u53ca\u62c9\u529b(Pull)\u6e2c\u8a66\u6642\u7684\u6e2c\u8a66\u689d\u4ef6\u8a2d\u5b9a\u554f\u984c\uff1a<\/strong><\/font><\/p>\n<ul>\n<li>\n<p align=\"justify\"><font size=\"4\">\u9019\u6b21\u5be6\u9a57\u662f\u5c07\u932b\u7403\u76f4\u63a5\u710a\u63a5\u5728\u6211\u5011\u5bb6\u81ea\u5df1\u8a2d\u8a08\u7684FR4\u96fb\u8def\u677f\u4e0a\uff0c\u800c\u4e0d\u662fBGA\u7684\u8f09\u7248\u3002<a title=\"\u4e00\u6587\u5f04\u61c2BGA\u5c01\u88dd\u6676\u7247(\u82af\u7247)\u690d\u7403\u7684\u65b9\u6cd5\u3001\u6b65\u9a5f\u53ca\u6ce8\u610f\u4e8b\u9805\" href=\"\/\/m.letratesoro.com\/2020\/12\/bga-reball\" target=\"_blank\" rel=\"noopener\">\u690d\u7403<\/a>\u524d\u5fc5\u9808\u5148\u5370\u5237\u932b\u818f\uff0c\u4ee5\u907f\u514d\u904e\u56de\u710a\u7210\u6642\u932b\u7403\u79fb\u4f4d\u3002\u4e5f\u56e0\u70ba\u56de\u710a\u7210\u7684\u6eab\u5ea6\u8f03\u96e3\u7cbe\u6e96\u638c\u63a7\uff0c\u4e5f\u53ef\u80fd\u662f\u593e\u53d6\u932b\u7403\u6642\u640d\u50b7\uff0c\u6240\u4ee5\u904e\u5b8c\u56de\u710a\u7210\u5f8c\u767c\u73fe\u8a31\u591a\u932b\u7403\u6709\u8b8a\u5f62\u7684\u60c5\u6cc1\uff0c\u4e0d\u904e\u7403\u5f62\u9084\u5728\u3002\u9019\u6b21\u6e2c\u8a66\u7e3d\u5171\u505a\u4e86\u56db\u7247\u677f\u5b50\uff0c\u5169\u7247\u70baSMD\u710a\u588a\u8a2d\u8a08\uff0c\u5169\u7247\u70baNSMD\u710a\u588a\u8a2d\u8a08\uff0c\u6bcf\u7247\u677f\u5b50\u9078\u64c7\u6027\u5404\u710a\u63a5\u4e8620\u9846\u932b\u7403\uff0cvia-in-pad\u670911\u9846\u932b\u7403\uff0cNo-via\u5404\u67099\u9846\u932b\u7403\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\">\u4f9d\u64daJESD22-B117\u7684\u898f\u7bc4\uff0c\u63a8\u529b(shear)\u7684\u901f\u5ea6\u4e00\u822c\u5206\u70ba\u4f4e\u901f(100-800um\/sec)\u53ca\u9ad8\u901f(0.01-1.0m\/sec)\u5169\u7a2e\uff0c\u4f9d\u64da\u904e\u5f80\u7684\u7d93\u9a57\uff0c\u932b\u7403\u627f\u53d7\u63a8\u529b\u7684\u80fd\u529b\u6703\u96a8\u8457\u526a\u5207\u901f\u5ea6\u7684\u589e\u52a0\u800c\u6025\u901f\u4e0b\u964d\u3002\u6211\u5011\u9019\u6b21\u6e2c\u8a66\u5247\u662f\u4f9d\u64da\u5be6\u9a57\u5ba4\u7d66\u7684\u5efa\u8b70\u63a1\u7528\u5927\u90e8\u5206\u59d4\u8a17\u6e2c\u8a66\u55ae\u4f4d\u7684\u6a19\u6e96\u5c07\u63a8\u529b\u901f\u5ea6\u5b9a\u70ba5000um\/sec\u3002\u5947\u602a\uff01\u9019\u500b\u901f\u5ea6\u600e\u9ebc\u53cd\u800c\u4e0d\u5728\u898f\u7bc4\u7684\u7bc4\u570d\u5167\uff1f\u5f8c\u4f86\u7814\u8b80\u6587\u4ef6\u6642\u89ba\u5f97\u901f\u5ea6\u61c9\u8a72\u8981\u5b9a\u572810000um\/sec\u624d\u6bd4\u8f03\u597d\uff0c\u56e0\u70ba\u60f3\u8981\u9a57\u8b49\u7684\u662f\u7522\u54c1\u843d\u4e0b\u53ca\u6efe\u52d5\u6e2c\u8a66\u6642\u7684\u6297\u6454\u843d\u80fd\u529b\uff0c\u6240\u4ee5\u901f\u5ea6\u8981\u5feb\u4e00\u9ede\u624d\u80fd\u6a21\u64ec\u7522\u54c1\u843d\u4e0b\u6642\u7684\u901f\u5ea6\uff0c\u5de5\u4f5c\u718a\u8a8d\u70ba\u9019\u500b\u63a8\u529b\u901f\u5ea6\u727d\u6d89\u5230\u4e00\u4e9b\u6a21\u5f0f\u8a08\u7b97\uff0c\u5fc5\u9808\u8981\u53bb\u8a08\u7b97\u7522\u54c1\u53ef\u80fd\u5728\u591a\u9ad8\u7684\u5730\u65b9\u6389\u4e0b\uff0c\u662f\u5426\u70ba\u81ea\u7531\u843d\u9ad4\u6216\u662f\u6709\u9644\u52a0\u5916\u529b\uff0c\u53ef\u60dc\u7d93\u8cbb\u6709\u9650\u7121\u6cd5\u505a\u592a\u8907\u96dc\u7684\u5be6\u9a57\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\">\u63a8\u7403\u9ad8\u5ea6(shear tool standoff)\u5b9a\u5728\u932b\u7403\u9ad8\u5ea6\u768410%\u7684\u4f4d\u7f6e\u3002\u898f\u7bc4\u8981\u6c42\u63a8\u7403\u4f4d\u7f6e\u5fc5\u9808\u4f4e\u65bc\u932b\u7403\u9ad8\u5ea6\u768425%\uff0c\u4e00\u822c\u6700\u5e38\u8a2d\u5b9a\u7684\u4f4d\u7f6e\u70ba10%\u3002\u63a8\u7403\u7684\u9ad8\u5ea6\u592a\u9ad8\u6703\u6709\u529b\u8ddd\u69d3\u687f\u4f5c\u7528\u7522\u751f\uff0c\u9019\u500b\u4e26\u4e0d\u662f\u6211\u5011\u5e0c\u671b\u770b\u5230\u7684\uff0c\u6240\u4ee5\u63a8\u7403\u7684\u9ad8\u5ea6\u61c9\u8a72\u8981\u8d8a\u4f4e\u8d8a\u597d\uff0c\u4f46\u662f\u4e0d\u53ef\u4ee5\u4f4e\u5230\u5f71\u97ff\u63a8\u7403\u7684\u5be6\u9a57\u3002<\/font><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>BGA\u932b\u7403\u63a8\u529b(shear)\u53ca\u62c9\u529b(Pull)\u6e2c\u8a66\u7684\u7d50\u679c\uff1a<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_ball_SMD_NSMD_shear_pull_test.png\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6e2c\u8a66\u5f8c\u7684\u5e73\u5747\u63a8\u529b(shear)\u53ca\u5e73\u5747\u62c9\u529b(Pull)\u90fd\u986f\u793aNSMD\u7684\u627f\u53d7\u61c9\u529b\u7684\u80fd\u529b\u6bd4SMD\u4f86\u5f97\u597d\uff0c\u4f46\u662f\u62c9\u529b\u7684\u5dee\u7570\u4e26\u4e0d\u662f\u5f88\u660e\u986f\uff0c\u800c\u63a8\u529b(Pull)\u7684\u5dee\u7570\u7b97\u6bd4\u8f03\u986f\u8457\u3002\uff08\u6709\u6642\u9593\u7684\u8a71\u8981\u4f86\u7814\u7a76\u4e00\u4e0bANOVA\u5224\u65b7\u662f\u5426\u986f\u8457\uff0c\u76ee\u524d\u50c5\u5f9e\u7d93\u9a57\u5224\u65b7\u662f\u5426\u986f\u8457\uff09<\/font><\/p>\n<ul>\n<li>\n<p><font size=\"4\">\u62c9\u529b(Pull)\uff1aNSMD (884.63gf)\uff0c\u6a19\u6e96\u5dee57.0gf &gt; SMD (882.33gf)\uff0c\u6a19\u6e96\u5dee75.1gf\u3002\u5dee\u7570\u50c5\u67092.3fg\u3002<\/font><\/p>\n<\/li>\n<li>\n<p><font size=\"4\">\u63a8\u529b(Shear)\uff1aNSMD (694.75g)\uff0c\u6a19\u6e96\u5dee45.8gf &gt; SMD (639.21g)\uff0c\u6a19\u6e96\u5dee54.5gf\u3002\u5dee\u7570\u670955.54fg\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font style=\"background-color: rgb(255, 255, 0);\" color=\"#ff0000\">\u4e0d\u8ad6\u662f\u62c9\u529b\u6216\u63a8\u529b\u6e2c\u8a66\u7684SMD\u53caNSMD\u710a\u588a\u8a2d\u8a08\u90fd\u986f\u793a\u6709\u52a0\u4e86\u901a\u5b54\u4e14\u585e\u5b54(plugged-via)\u7684\u710a\u588a\u5176\u627f\u53d7\u63a8\u62c9\u61c9\u529b\u7684\u80fd\u529b\u8f03\u4f73<\/font><\/strong>\uff0c\u4e0d\u904e\u4e26\u6c92\u6709\u60f3\u50cf\u4e2d\u7684\u660e\u986f\u3002\u5728\u63a8\u529b(Shear)\u6e2c\u8a66\u9805\u76ee\u4e0b\uff0c<font size=\"4\">\u4ee5\u3010NSMD+plugged-via(\u585e\u5b54)\u3011\u7684\u8868\u73fe\u6700\u597d\uff0c\u9019\u500b\u7b26\u5408\u9810\u671f\u3002\u4f46\u662f\u5728\u62c9\u529b(Pull)\u6e2c\u8a66\u9805\u76ee\u4e0b\u537b\u662f\u4ee5\u3010SMD+plugged-via(\u585e\u5b54)\u3011\u7684\u8868\u73fe\u6700\u597d\uff0c\u9019\u500b\u6709\u5fc5\u8981\u518d\u9032\u4e00\u6b65\u63a2\u8a0e\u3002<\/font><\/font><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>BGA\u932b\u7403\u63a8\u529b(shear)\u53ca\u62c9\u529b(Pull)\u6e2c\u8a66\u5f8c\u7684\u7d50\u8ad6\u8207\u6240\u89c0\u5bdf\u5230\u7684\u73fe\u8c61\u8207\u5be6\u9a57\u7834\u58de\u5f8c\u7684\u4e0d\u826f\u73fe\u8c61(Failure Mode)\uff1a<\/strong><\/font><\/p>\n<p><strong><font color=\"#9b00d3\" size=\"4\">\u62c9\u529b(Pull)\uff1aNSMD No-via \u710a\u588a<\/font><\/strong><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\">\u89c0\u5bdf\u62c9\u529b\u6e2c\u8a66\u9805\u76ee\u4e0b<strong><font color=\"#ff0000\">N<\/font><\/strong>SMD\u710a\u588a\u8a2d\u8a08\u7684\u6e2c\u8a66\u6a23\u54c1\uff0c\u767c\u73fe\u5e7e\u4e4e\u5927\u90e8\u5206No-Via\u7684\u710a\u588a\u5728\u62c9\u529b\u6e2c\u8a66\u5f8c\u710a\u588a\u90fd\u5df2\u7d93\u525d\u96e2\u62c9\u8d77\uff0c9\u500b\u710a\u588a\u4e2d\u67097\u500b\u710a\u588a\u525d\u96e2\uff0c\u53ea\u67092\u500b\u710a\u588a\u6c92\u6709\u525d\u96e2\u3002\u6709\u4e00\u500b\u710a\u588a\u932b\u7403\u5728\u5be6\u9a57\u524d\u5c31\u5931\u6548\u3002\u9019\u500b\u7d50\u679c\u7b26\u5408\u9810\u671f\u3002<\/font><\/div>\n<\/li>\n<\/ul>\n<p><strong><font color=\"#9b00d3\" size=\"4\">\u62c9\u529b(Pull)\uff1a<\/font><\/strong><strong><font color=\"#9b00d3\" size=\"4\">NSMD + plugged-via(\u585e\u5b54)\u710a\u588a<\/font><\/strong><\/p>\n<ul>\n<li>\n<p align=\"justify\"><font size=\"4\"><font size=\"4\"><strong><font color=\"#ff0000\">N<\/font><\/strong>SMD\u710a\u588a\u8a2d\u8a08\u7684\u6e2c\u8a66\u6a23\u54c1\u4e2d\u6709via-in-pad\u710a\u588a\u7684\u62c9\u529b\u7d50\u679c\u986f\u5f97\u6bd4\u8f03\u51cc\u4e82\uff0c10\u500b\u710a\u588a\u4e2d\u67092\u500b\u710a\u588a\u5b8c\u5168\u6c92\u6709\u640d\u50b7\uff0c\u62c9\u65b7\u7684\u932b\u7403\u710a\u588a\u4e2d\u9593\u9084\u6b98\u7559\u6709\u5c16\u72c0\u710a\u932b\u7269(945.4gf)\uff0c\u53e6\u67095\u500b\u710a\u588a\u96d6\u7136\u88ab\u62c9\u8d77\u4f46\u710a\u588a\u50c5\u6709\u90e8\u4efd\u525d\u96e2\uff0c\u65b7\u88c2\u9762\u5728\u710a\u932b\u7684IMC\u5c64(863.8gf)\uff0c\u5269\u4e0b3\u500b\u710a\u588a\u5247\u88ab\u5b8c\u5168\u62c9\u8d77(903.9gf)\u3002 \u6574\u9ad4\u4f86\u8aaa\u6709\u52a0plugged-via\u7684\u710a\u588a\u6bd4\u8f03\u5f37\u58ef\u3002               <br \/><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Ball_Pull_Test(NSMD_with_via).png\" \/><\/font><\/font><\/p>\n<\/li>\n<\/ul>\n<p><strong><font color=\"#9b00d3\" size=\"4\">\u62c9\u529b(Pull)\uff1a<\/font><\/strong><strong><font color=\"#9b00d3\" size=\"4\">SMD<\/font><\/strong><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\">10\u500b\u6709via\u585e\u5b54\u53ca10\u500b\u7121via\u7684\u710a\u588a\u5168\u90fd\u5b8c\u6574\u4fdd\u7559\u5728\u96fb\u8def\u677f\u4e0a\u6c92\u6709\u88ab\u62c9\u8d77\uff0c\u800c\u4e14\u62c9\u65b7\u9762\u6b98\u7559\u5c16\u72c0\u710a\u932b\u7269\u3002\u9019\u500b\u7d50\u679c\u4e5f\u8b49\u660e\u6211\u5011\u904e\u53bb\u7684\u8a8d\u77e5\uff0cSMD\u7684\u710a\u588a\u7d50\u5408\u529b(bonding force)\u6703\u8f03\u6bd4\u5f37\uff0c\u6240\u4ee5\u65b7\u88c2\u6703\u51fa\u73fe\u5728\u710a\u932b\u9762\u3002<\/font><\/div>\n<\/li>\n<\/ul>\n<p><strong><font color=\"#9b00d3\" size=\"4\">\u63a8\u529b(Shear)\uff1aN<\/font><\/strong><strong><font color=\"#9b00d3\" size=\"4\">SMD<\/font><\/strong><\/p>\n<ul>\n<li><font size=\"4\">\u67091\u500b\u6c92\u6709via\u7684\u710a\u588a\u88ab\u5b8c\u5168\u79fb\u9664\uff0c\u5269\u4e0b18\u500b\u710a\u588a\u90fd\u6c92\u6709\u88ab\u62c9\u8d77\uff0c\u5168\u90fd\u65b7\u88c2\u5728\u63a8\u529b\u8655\u3002\u6709\u4e00\u500b\u710a\u588a\u932b\u7403\u5728\u5be6\u9a57\u524d\u5c31\u5931\u6548\u3002<\/font><\/li>\n<\/ul>\n<p><strong><font color=\"#9b00d3\" size=\"4\">\u63a8\u529b(Shear)\uff1a<\/font><\/strong><strong><font color=\"#9b00d3\" size=\"4\">SMD<\/font><\/strong><\/p>\n<ul>\n<li><font size=\"4\">20\u710a\u588a\u5168\u90fd\u5b8c\u6574\u4fdd\u7559\u7121\u7834\u58de\uff0c\u6b98\u7559\u5c16\u72c0\u710a\u932b\u7269\u3002<\/font><\/li>\n<li>\n<div align=\"justify\"><font size=\"4\">\u5c0d\u6bd4SMD\u8207NSMD\u710a\u588a\u62c9\u8d77\u7684\u73fe\u8c61\uff0c\u9084\u662f\u53ef\u4ee5\u96b1\u7d04\u8b49\u660eSMD\u7684\u710a\u588a\u7d50\u5408\u529b(bonding force)\u6bd4\u8f03\u5f37\u3002<\/font><\/div>\n<\/li>\n<\/ul>\n<ul><\/ul>\n<p><font color=\"#0000ff\" size=\"5\"><strong>BGA\u932b\u7403\u63a8\u62c9\u529b\u5be6\u9a57\u5f8c\u7684\u65b7\u88c2\u4e0d\u826f\u6a21\u5f0f(Failure Mode)<\/strong><\/font><\/p>\n<p> <\/font>  <\/p>\n<p><font size=\"4\"><\/font><\/p>\n<p><font size=\"4\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_ball_pull_pad_entire_lifted.jpg\" width=\"290\" height=\"200\" \/><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_ball_pullpad_remained_with_pile.jpg\" width=\"290\" height=\"194\" \/><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_ball_pull_pad_partial_lift_break_at_IMC.jpg\" width=\"290\" height=\"202\" \/><\/font><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_ball_shear_pad_no_damage.jpg\" width=\"290\" height=\"202\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u7d9c\u4e0a\u89c0\u5bdf\uff0c\u3010<strong><font color=\"#ff0000\">N<\/font><\/strong>SMD+plugged-via(\u585e\u5b54)\u3011\u7684\u710a\u588a\u8a2d\u8a08\u5176\u5be6\u8d77\u5230\u4e86\u4e00\u5b9a\u7684\u710a\u588a\u7d50\u5408\u529b\u52a0\u5f37\u7684\u6548\u679c\uff0c\u96d6\u7136\u9084\u662f\u67093\/10\u710a\u588a\u88ab\u6574\u500b\u525d\u96e2\u62c9\u8d77\uff0c\u4f46\u5c0d\u6bd4\u3010<strong><font color=\"#ff0000\">N<\/font><\/strong>SMD No-via\u3011\u67097\/9\u710a\u588a\u6574\u500b\u525d\u96e2\uff0c\u7b97\u662f\u6709\u6240\u6539\u5584\uff0c\u53ea\u662f\u6539\u5584\u6c92\u6709\u60f3\u50cf\u4e2d\u7684\u986f\u8457\uff0c\u6216\u8a31\u8207via\u7684\u6df1\u5ea6\u53ca\u5927\u5c0f\u90fd\u6709\u95dc\u4fc2\u3002<\/font><\/p>\n<p><font size=\"4\"><font color=\"#0000ff\" size=\"5\"><strong>\u53ef\u80fd\u7684\u6b98\u7559\u554f\u984c\uff1a<\/strong><\/font><\/font><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\">\u7576\u65b7\u88c2\u9762\u51fa\u73fe\u5728IMC\u5c64\u6642\u5176\u6240\u80fd\u627f\u53d7\u7684\u62c9\u61c9\u529b\u8868\u73fe\u6700\u5dee\uff0c\u9019\u8868\u793a\u4ec0\u9ebc\uff1fvia-in-pad\u6c92\u6709\u8d77\u5230\u8a72\u6709\u7684\u9810\u671f\u5730\u693f\u6548\u679c\uff1f<\/font><\/div>\n<\/li>\n<li><font size=\"4\">IMC\u5c64\u5176\u5be6\u662f\u6574\u500b\u710a\u932b\u7d50\u69cb\u4e2d\u6700\u8106\u5f31\u7684\u5730\u65b9\uff1f<\/font><\/li>\n<\/ul>\n<p><font size=\"4\"><\/font><\/p>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>\u5f8c\u8a18\uff1a<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4ee5\u4e0a\u7d50\u8ad6\u96d6\u7136\u8aaa\u6700\u5f8c\u5efa\u8b70\u63a1\u7528\u3010<strong><font color=\"#ff0000\">N<\/font><\/strong>SMD+plugged-via(\u585e\u5b54)\u3011\u710a\u588a\u8a2d\u8a08\u4f86\u52a0\u5f37BGA\u710a\u932b\u627f\u53d7\u61c9\u529b\u7684\u80fd\u529b\uff0c\u4f46\u662f\u4e0d\u53ef\u5426\u8a8d\u7684\uff0c\u5982\u679c\u50c5\u50c5\u60f3\u8981\u4f9d\u9760\u9019\u4e9b\u5fae\u5c0f\u7684\u710a\u588a\u8a2d\u8a08\u8b8a\u66f4\u5c31\u9054\u5230\u89e3\u6c7aBGA\u932b\u7403\u710a\u932b\u7834\u88c2\u6216\u6389\u843d\u7684\u554f\u984c\uff0c\u4f3c\u4e4e\u662f\u7de3\u6728\u6c42\u9b5a\uff0c\u4e0d\u5207\u5be6\u969b\uff01\u8a66\u60f3\u5c0f\u5c0f\u7684\u932b\u7403\u5982\u4f55\u80fd\u627f\u53d7\u4f4f\u96fb\u8def\u677f\u906d\u53d7\u5916\u529b\u9020\u6210\u677f\u5f4e\u61c9\u529b\uff1f\u60f3\u5fb9\u5e95\u89e3\u6c7aBGA\u932b\u88c2\u554f\u984c\u9084\u662f\u5f97\u56de\u5230\u6a5f\u69cb\u8a2d\u8a08\u7684\u672c\u8cea\u4e0a\u3002\u8acb\u53c3\u8003\u3010<a 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