{"id":7385,"date":"2018-09-26T08:33:00","date_gmt":"2018-09-26T00:33:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=7385"},"modified":"2019-06-03T23:25:13","modified_gmt":"2019-06-03T15:25:13","slug":"smd_nsmd","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2018\/09\/smd_nsmd\/","title":{"rendered":"\u70ba\u4e86\u5c0d\u6297\u932b\u7403\u88c2\u958b\uff0cBGA\u710a\u588a\u61c9\u8a72\u8a2d\u8a08\u6210SMD\u6216NSMD\uff1fSMD\u8207NSMD\u7684\u512a\u7f3a\u9ede"},"content":{"rendered":"

\u4f60\u77e5\u9053\u4ec0\u9ebc\u662f<\/font>SMD(Solder-Mask Defined)<\/font><\/strong>\u8207<\/font>NSMD(Non-Solder-Mask-Defined)<\/font><\/strong>\u710a\u588a\/\u710a\u76e4\u8a2d\u8a08\u55ce\uff1fSMD\u8207NSMD\u7684\u710a\u588a\u8a2d\u8a08\u5404\u6709\u4ec0\u9ebc\u512a\u7f3a\u9ede\uff1fBGA\u7684\u710a\u588a\u61c9\u8a72\u8a2d\u8a08\u6210SMD\u6216NSMD\u624d\u80fd\u63d0\u6607\u5c0d\u6297\u61c9\u529b\u7684\u885d\u64ca\u800c\u4e0d\u6703\u7834\u88c2\u5462\uff1f<\/font><\/p>\n

<\/p>\n

\u65b0\u5b98\u4e0a\u4efb\u4e09\u628a\u706b\uff0c\u516c\u53f8\u5167\u90e8\u4e2d\u9ad8\u5c64\u4eba\u4e8b\u7570\u52d5\u5f8c\uff0c\u65b0\u4eba\u7e3d\u559c\u6b61\u51fa\u4e9b\u65b0\u9ede\u5b50\u4f86\u5f70\u986f\u81ea\u5df1\u7684\u5b58\u5728\u50f9\u503c\uff0c\u8001\u7f8e\u5e38\u898b\u7684\u6232\u78bc\uff0c\u4e5f\u7e3d\u559c\u6b61\u63a8\u7ffb\u524d\u4eba\u7684\u6c7a\u5b9a\uff0c\u8a8d\u70ba\u524d\u4eba\u7684\u6c7a\u5b9a\u90fd\u662f\u72d7\u5c4e\u3002\u9019\u6b21\u718a\u718a\u71c3\u71d2\u8d77\u4f86\u4e00\u628a\u706b\u662f\u8981\u6c42\u4ee5\u5f8c\u65b0\u7522\u54c1PCB\u8a2d\u8a08\u6642\u300c<\/font>BGA\u7684\u710a\u76e4\u8a2d\u8a08\u90fd\u61c9\u8a72\u63a1\u7528NSMD\u4f86\u53d6\u4ee3SMD<\/font><\/strong>\u300d\uff0c\u4ed6\u8a8d\u70ba\u9019\u6a23\u53ef\u4ee5\u589e\u5f37BGA\u62b5\u6297\u61c9\u529b\u7684\u80fd\u529b\uff0c\u6709\u52a9\u901a\u904e\u7522\u54c1\u9a57\u8b49\u7684\u300c\u6454\u843d\u6e2c\u8a66(drop test)<\/a>\u300d\u8207\u300c\u6efe\u52d5\u6e2c\u8a66(tumble test)<\/a>\u300d\u3002<\/font><\/p>\n

<\/p>\n

\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

\u56e0\u70ba\u9019\u4f4d\u9577\u5b98\u89ba\u5f97\u5728\u540c\u6a23\u88f8\u9732\u51fa\u4f86\u7684\u9285\u7b94\u9762\u7a4d\u4e0b\uff0cNSMD\u7684\u5403\u932b\u9762\u7a4d\u6bd4SMD\u710a\u588a\u8a2d\u8a08\u4f86\u5f97\u591a\uff0cNSMD\u710a\u588a\u8a2d\u8a08\u7684\u710a\u588a\u8868\u9762\u8207\u5074\u9762\u90fd\u53ef\u5403\u5230\u932b\uff0c\u4f46\u662fSMD\u710a\u588a\u8a2d\u8a08\u5247\u53ea\u6709\u8868\u9762\u710a\u588a\u80fd\u5403\u5230\u932b\uff0c\u6240\u4ee5NSMD\u8981\u6bd4SMD\u53ef\u4ee5\u627f\u53d7\u66f4\u5927\u7684\u61c9\u529b\u885d\u64ca\u6216\u677f\u5f4e\u91cf\u3002<\/font><\/p>\n

\u7406\u8ad6\u4e0a\u5982\u679c\u50c5\u5c31\u300c\u710a\u932b\u5f37\u5ea6<\/font><\/strong>\u300d\u4f86\u770b\uff0cNSMD\u7684\u710a\u588a\u8a2d\u8a08\u7684\u78ba\u6bd4SMD\u7684\u5403\u932b\u9762\u7a4d\u4f86\u5f97\u591a\u800c\u4e14\u5f37\u58ef\uff08\u57fa\u65bc\u9732\u9285\u9762\u7a4d\u4e00\u6a23\u6642\uff09\uff0c\u53ef\u662f\u5728\u5be6\u969b\u61c9\u7528\u4e0a\uff0c\u5c07BGA\u710a\u588a\u8a2d\u8a08\u6210NSMD\u771f\u7684\u5c31\u6bd4\u8f03\u8010\u6454\u55ce\uff1f\u7b54\u6848\u4f3c\u4e4e\u4e0d\u4e00\u5b9a\uff1f<\/font><\/font><\/p>\n

\u70ba\u4e86\u9a57\u8b49\u9019\u500b\u8ad6\u9ede\uff0c\u6211\u5011\u66fe\u7d93\u505a\u904e\u5be6\u9a57\u8a08\u756b\uff0c\u5c07\u540c\u6a23\u4e00\u584a\u96fb\u8def\u677f\u7684BGA\u710a\u588a\u5206\u5225\u8a2d\u8a08\u6210SMD\u8207NSMD\u5169\u6279\u6a23\u54c1\uff0c\u7136\u5f8c\u62ff\u53bb\u505a\u6574\u9846BGA-IC\u7684\u62c9\u62d4\u529b\u6e2c\u8a66\uff0c\u7d50\u679c\u5176\u5be6\u8207\u9019\u4f4d\u9577\u5b98\u60f3\u7684\u4e0d\u592a\u4e00\u6a23\uff0c\u4f46\u9019\u4e26\u4e0d\u80fd\u4ee3\u8868\u4ec0\u9ebc\uff0c\u56e0\u70ba\u4e0d\u8ad6\u662fSMD\u6216NSMD\u710a\u588a\u8a2d\u8a08\uff0c\u5176\u6700\u7d42\u90fd\u7121\u6cd5\u901a\u904eDQ\u7684\u300c\u6454\u843d\u6e2c\u8a66(drop test)\u300d\u6216\u300c\u6efe\u52d5\u6e2c\u8a66(tumble test)\u300d\u3002<\/font><\/p>\n

\u7e3d\u7e3d\u8de1\u8c61\u986f\u793a\u6709\u6642\u5019NSMD\u8868\u73fe\u6bd4\u8f03\u597d\uff0c\u6709\u6642\u5019\u537b\u53c8\u662fSMD\u8868\u73fe\u6bd4\u8f03\u597d\u3002\u6240\u4ee5\uff0c\u5728BGA\u710a\u588a\u8a2d\u8a08\u4e0a\u6211\u5011\u7121\u6cd5\u8b49\u660eNSMD\u4e00\u5b9a\u6bd4SMD\u4f86\u5f97\u597d<\/font>\u3002\u5982\u679c\u4f60\u6709\u4e0d\u540c\u610f\u898b\u6b61\u8fce\u7559\u8a00\u8a0e\u8ad6\u3002<\/font><\/p>\n

\u5176\u5be6\u62ff\u6574\u9846BGA-IC\u53bb\u505a\u62c9\u529b\u6e2c\u8a66\u6703\u6709\u5f88\u591a\u7684\u4e0d\u78ba\u5b9a\u56e0\u7d20\u5f71\u97ff\u5176\u7d50\u679c\uff0c\u5f8c\u4f86\u53e6\u5916\u4e00\u500b\u6848\u5b50\uff0c\u5728\u5de5\u4f5c\u718a\u7684\u5efa\u8b70\u4e4b\u4e0b\u50c5\u7528BGA\u7684\u932b\u7403\u53bb\u505a\u63a8\u529b(shear)\u3001\u62c9\u529b(Pull)\u5be6\u9a57\uff0c\u7d50\u679c\u4e5f\u7121\u6cd5\u5206\u51fa\u500b\u52dd\u8ca0\u3002<\/font><\/p>\n

\uff08\u5f8c\u9762\u6709\u6a5f\u6703\u518d\u4f86\u5206\u4eabSMD\u8207NSMD\u6e2c\u8a66\u7684\u7d30\u7bc0\u3002\uff09<\/font><\/p>\n

\u9019\u500b\u7d50\u679c\u53ea\u80fd\u544a\u8a34\u6211\u5011\uff0c\u5982\u679c\u4e0d\u5f9e\u8a2d\u8a08\u6839\u672c\u89e3\u6c7a\u885d\u64ca\u61c9\u529b\u5c0dPCB\u677f\u5f4e\u8207BGA\u5931\u6548\u6240\u9020\u6210\u7684\u5f71\u97ff\uff0c\u4e00\u5fc3\u53ea\u60f3\u9760\u8457\u589e\u52a0\u300c\u710a\u932b\u5f37\u5ea6\u300d\u4f86\u89e3\u6c7aBGA\u7834\u88c2\u7684\u554f\u984c\uff0c\u7d50\u679c\u61c9\u8a72\u6703\u8b93\u4eba\u5927\u5931\u6240\u671b\u3002<\/span><\/font><\/p>\n

\u6700\u5f8c\uff0c\u4f86\u770b\u4e00\u4e0b\u3010SMD\u8207NSMD\u710a\u588a\u8a2d\u8a08\u512a\u7f3a\u9ede\u7684\u6bd4\u8f03\u8868\u3011\u5427\uff01\u9019\u500b\u8868\u683c\u7684\u89c0\u5ff5\u5728\u4e4b\u524d\u90e8\u843d\u683c\u6587\u7ae0\u4e2d\u61c9\u8a72\u90fd\u6709\u63d0\u5230\u904e\u4e86\uff0c\u9019\u88e1\u5c07\u4e4b\u6574\u7406\u6210\u8868\u683c\u7d66\u5927\u5bb6\u53ef\u4ee5\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u9019\u500b\u6bd4\u8f03\u8868\u5efa\u7acb\u5728SMD\u8207NSMD\u710a\u588a\u4e0a\u88f8\u9732\u51fa\u76f8\u540c\u7684\u9285\u7b94\u8868\u9762\u7a4d\u7576\u57fa\u790e\u505a\u6210\u7684\u3002 <\/font><\/font><\/p>\n

\u5c07BGA\u710a\u588a\u8a2d\u8a08\u70baSMD\u8207NSDM\u512a\u7f3a\u9ede<\/strong><\/font><\/p>\n

<\/font><\/font><\/p>\n\n\n\n\n\n\n\n
<\/td>\nSMD
(Solder-Mask-Defined)<\/strong><\/font><\/td>\n		NSMD
(Non-SMD)<\/strong><\/font><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
\u512a\u9ede<\/font><\/td>\n\u710a\u588a\u8207FR4\u7684\u7d50\u5408\u529b(Bonding force)\u8f03\u5f37\u3002<\/strong><\/font>
\u56e0\u70ba\u5176\u5be6\u969b\u9285\u7b94\u7684\u9762\u7a4d\u8f03\u5927\u3002<\/font><\/td>\n		\u5403\u932b\u9762\u7a4d\u8f03\u5927\u3001\u710a\u932b\u5f37\u5ea6\u8f03\u4f73\u3002<\/font><\/strong>
\u56e0\u70ba\u710a\u932b\u53ef\u4ee5\u540c\u6642\u5403\u5728\u9285\u7b94\u7684\u6b63\u4e0a\u65b9\u8868\u9762\u8207\u5074\u908a\u3002
Layout\u6642\u53ef\u4ee5\u6709\u6bd4\u8f03\u591a\u7684\u7a7a\u9593<\/font><\/strong>\u8b93\u7dda\u8def\u5f9e\u5169\u500b\u710a\u588a\u4e4b\u9593\u901a\u904e\u3002<\/font><\/td>\n<\/tr>\n
\u7f3a\u9ede<\/font><\/td>\n\u710a\u932b\u5f37\u5ea6\u8f03\u5dee\u3002<\/font><\/strong>
\u56e0\u70ba\u76f8\u5c0d\u5403\u932b\u9762\u7a4d\u8b8a\u5c0f\uff0c\u800c\u4e14\u7da0\u6f06\u6703\u56e0\u70ba\u71b1\u8139\u51b7\u7e2e\u5f71\u97ff\u710a\u932b\u8207\u7da0\u6f06\u4ea4\u754c\u8655\u7684\u5403\u932b\u6548\u679c\u3002
Layout\u6642\u8d70\u7dda\u8f03\u56f0\u96e3\u3002<\/font><\/strong><\/font> <\/td>\n		\u710a\u588a\u8207FR4\u7684\u7d50\u5408\u529b\u8f03\u5dee\u3002<\/font><\/strong>
\u56e0\u70ba\u5176\u5be6\u969b\u9285\u7b94\u7684\u9762\u7a4d\u8f03\u5c0f\u3002
\u52a9\u710a\u5291\u3001\u932b\u73e0\u8f03\u5bb9\u6613\u6b98\u7559<\/font><\/strong>\u5728\u672a\u88ab\u7da0\u6f06\u8986\u84cb\u4f4f\u7684\u5340\u57df\u3002<\/font> <\/td>\n<\/tr>\n
\u932b\u7403\u6700\u53ef\u80fd\u65b7\u88c2\u4f4d\u7f6e<\/font><\/td>\n\u767c\u751f\u5728\u932b\u7403\u8207PCB\u710a\u588a\u4e4b\u9593
\uff08\u4e00\u822c\u5728IMC\u5c64\u4f4d\u7f6e\uff09<\/font><\/td>\n		\u767c\u751f\u5728\u710a\u588a\u8207FR4\u4e4b\u9593
\uff08\u4e00\u822c\u710a\u588a\u6703\u88ab\u525d\u96e2\uff09<\/font><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/font><\/p>\n

\u5230\u76ee\u524d\u70ba\u6b62\uff0c\u6211\u5011\u4e26\u6c92\u6709\u4efb\u4f55\u78ba\u5207\u7684\u8b49\u64da\u53ef\u4ee5\u8b49\u660e\u5230\u5e95BGA\u710a\u588a\u61c9\u8a72\u8a2d\u8a08\u6210SMD\u6216NSMD\u6bd4\u8f03\u597d\u4ee5\u62b5\u6297\u61c9\u529b\u9020\u6210\u7684\u932b\u7403\u7834\u88c2\u554f\u984c<\/font>\uff0c\u5de5\u4f5c\u718a\u500b\u4eba\u5efa\u8b70\u662f\u5f9e\u8a2d\u8a08\u6839\u672c\u4f86\u89e3\u6c7a\u61c9\u529b\u554f\u984c<\/font><\/strong>\u3002<\/font><\/p>\n

\u53e6\u5916\uff0c\u5982\u679c\u5c0dPCB\u6210\u672c\u5f71\u97ff\u4e0d\u5927\uff0c\u5de5\u4f5c\u718a\u500b\u4eba\u5f37\u70c8\u5efa\u8b70BGA\u7684\u710a\u588a\u8a2d\u8a08\u61c9\u8a72\u63a1\u7528NSMD+via<\/font><\/strong>\uff0c\u53ea\u662f\u5c0e\u901a\u5b54(via)\u5fc5\u9808\u934d\u9285\u586b\u5b54\uff0c\u800c\u4e14\u9084\u8981\u76e1\u91cf\u52a0\u5927\u710a\u588a\u7684\u5c3a\u5bf8\uff0c\u56e0\u70ba\u5be6\u9a57\u6578\u64da\u8aaa\u660e\u6709\u52a0\u5c0e\u901a\u5b54\u7684\u710a\u588a\uff0c\u5176\u627f\u53d7\u63a8\u529b(shear)\u53ca\u62c9\u529b(pull)\u7684\u80fd\u529b\u90fd\u6bd4\u6c92\u6709\u52a0\u5c0e\u901a\u5b54\u7684\u710a\u588a\u5f37\u3002<\/font><\/p>\n

<\/p>\n

\u5982\u679c\u4f60\u5c0d\u65bc\u300cBGA\u932b\u7403\u7834\u88c2\u8207\u96f6\u4ef6\u6389\u843d\u300d\u7684\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u4e0d\u59a8\u53c3\u8003\u4e00\u4e0b\u5de5\u4f5c\u718a\u5beb\u7684\u9019\u4e00\u7cfb\u5217\u7684\u6587\u7ae0\u5206\u4eab\uff1a\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(1)\uff1f\u932b\u88c2\u53ea\u662f\u61c9\u529b\u5927\u65bc\u7d50\u5408\u529b\u4e4b\u5fc5\u7136\u7d50\u679c<\/a><\/font><\/p>\n

\uff5e\u5982\u679c\u4f60\u6709\u4e0d\u540c\u7684\u770b\u6cd5\u4e5f\u6b61\u8fce\u7559\u8a00\u8a0e\u8ad6\uff5e<\/strong><\/font><\/p>\n

\n

\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>
BGA\u932b\u7403\u65b7\u88c2(crack)\u7684\u7d05\u58a8\u6c34\u6e2c\u8a66\u5224\u65b7\u8207\u73fe\u8c61\u5206\u6790<\/font><\/a>
\u5982\u4f55\u6c7a\u5b9aBGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u9700\u4e0d\u9700\u8981\u586b\u52a0\uff1f<\/font><\/a>
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