{"id":9131,"date":"2020-09-30T08:22:00","date_gmt":"2020-09-30T00:22:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=9131"},"modified":"2023-10-30T23:05:20","modified_gmt":"2023-10-30T15:05:20","slug":"5ways-pcb-layout","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2020\/09\/5ways-pcb-layout\/","title":{"rendered":"5\u7a2e\u96fb\u8def\u677f\u4f48\u7dda(PCB layout)\u8a2d\u8a08\u524d\u5fc5\u9808\u5148\u8003\u616e\u6e05\u695a\u7684\u96fb\u8def\u677f\u7d44\u88dd\u710a\u63a5\u751f\u7522\u88fd\u7a0b\u5de5\u85dd"},"content":{"rendered":"

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

\u4e00\u822c\u6211\u5011\u5728\u505a\u96fb\u8def\u677f\u4f48\u7dda(PCB layout)\u8a2d\u8a08\u6642\u4e00\u5b9a\u90fd\u6703\u9047\u5230\u4e0b\u5217\u5e7e\u500b\u554f\u984c\u3002\u9019\u7247PCB\u8a72\u7528\u5e7e\u5c64\u677f\u7684\u758a\u69cb\uff1f\u55ae\u5c64\u677f\uff1f\u96d9\u5c64\u677f\uff1f\u6216\u591a\u5c64\u677f\uff1fESD\/EMI\u8a72\u5982\u4f55\u9632\u8b77\uff1f\u96fb\u8def\u677f\u7d44\u88dd\u7684\u710a\u63a5\u88fd\u7a0b\u5de5\u85dd\u6703\u662f\u55ae\u9762\u677f\u6216\u96d9\u9762\u677f\uff1f\u96fb\u5b50\u96f6\u4ef6\u8a72\u9078\u7528\u5168\u901a\u5b54\u63d2\u4ef6\uff1f\u9084\u662f\u5168SMD\u8cbc\u7247\uff1f\u6216\u662f\u8cbc\u7247+\u63d2\u4ef6\u6df7\u5408\uff1f\u672c\u6587\u91cd\u9ede\u653e\u5728\u96fb\u8def\u677f\u7684\u710a\u63a5\u751f\u7522\u88fd\u7a0b\u5de5\u85dd\u3002<\/font><\/p>\n

(\u5de5\u4f5c\u718a\u4e0d\u662fRD\uff0c\u4e5f\u4e0dEE\uff0c\u6240\u4ee5\u6587\u7ae0\u4e2d\u5c31\u4e0d\u8981\u671f\u5f85\u53ef\u4ee5\u770b\u5230\u592a\u591a\u5982\u4f55\u89e3\u6c7aESD\/EMI\u7684\u8a2d\u8a08\u8207\u89e3\u6c7a\u5efa\u8b70\u4e86\uff0c\u5c31\u5de5\u4f5c\u718a\u7684\u4e86\u89e3\uff0cESD\u5c31\u662f\u8def\u5f91\u9577\u77ed\u7684\u554f\u984c\uff0c\u5c31\u50cf\u6d2a\u6c34\uff0c\u90a3\u88cf\u53ef\u4ee5\u5ba3\u6d29\u5c31\u5f80\u54ea\u88e1\u8dd1\uff0c\u800cESD\u7684\u50b3\u5c0e\u5c31\u662f\u90a3\u88cf\u53ef\u4ee5\u6709\u8f03\u8fd1\u8ddd\u96e2\u4e14\u826f\u597d\u7684\u5c0e\u9ad4\uff0c\u96fb\u6d41\u5c31\u6703\u5f80\u8a72\u8655\u8d70\uff0c\u5373\u4f7f\u7d93\u7531\u7a7a\u6c23\u4e5f\u53ef\u80fd\u8df3\u904e\u53bb\uff0c\u800cEMI\u5c31\u662f\u8f3b\u5c04\u5e72\u64fe…\u9019\u4e9b\u771f\u7684\u4e0d\u662f\u6211\u7684\u5f37\u9805)<\/font><\/p>\n

<\/p>\n

1. \u8981\u7528\u5230\u5e7e\u5c64PCB\u677f\uff1f\u55ae\u5c64\u677f\uff1f\u96d9\u5c64\u677f\uff1f\u6216\u591a\u5c64\u677f\uff1f<\/em><\/strong><\/font><\/p>\n

\n

\u9019\u88e1\u7684\u5c64\u6578\u6307\u7684\u662fPCB\u7684\u7dda\u8def\u5c64\u6578\uff0cPCB\u7684\u8d70\u7dda\u57fa\u672c\u4e0a\u53ef\u4ee5\u5c07\u4e4b\u6bd4\u55bb\u6210\u6211\u5011\u4eba\u985e\u4f4f\u7684\u5927\u6a13\u5c64\u6578\u4f86\u8aaa\u660e\uff0c\u5c64\u6578\u8d8a\u591a\uff0c\u4ee3\u8868\u540c\u6a23\u8868\u9762\u7a4d\u53ef\u4ee5\u627f\u8f09\u8d8a\u591a\u7684\u7dda\u8def\u6216\u4f4f\u6236\uff0c\u7136\u5f8c\u5728\u5c64\u8207\u5c64\u4e4b\u9593\u7528\u5c0e\u901a\u5b54(via)\u6216\u6a13\u68af\u4f86\u4f5c\u70ba\u9023\u7d50\u3002<\/font><\/p>\n

PCB\u7684\u5c64\u6578\u8d8a\u591a\u901a\u5e38\u8868\u793a\u53ef\u4ee5\u7528\u8d8a\u5c0f\u7684PCB\u5c3a\u5bf8\u8a2d\u8a08\u51fa\u8d8a\u591a\u7684\u529f\u80fd\uff0c\u4f46\u662f\u88fd\u4f5c\u6210\u672c\u76f8\u5c0d\u7684\u4e5f\u5c31\u8d8a\u8cb4\uff0c\u7406\u7531\u540c\u5927\u6a13\u5efa\u9020\u3002<\/font><\/p>\n

\u4e00\u822c\u4f86\u8aaa\u8d8a\u9ad8\u7d1a\u7684\u677f\u5b50\u6240\u7528\u5230\u7684PCB\u5c64\u6578\u4e5f\u6703\u8d8a\u591a\uff0c\u800c\u4e14\u6700\u5c11\u6703\u6709\u4e00\u5c64\u7576\u4f5c\u63a5\u5730\uff0c\u4e00\u5c64\u7576\u4f5c\u96fb\u6e90\u96fb\u58d3\u3002<\/font><\/p>\n<\/blockquote>\n

2. \u55ae\u9762\u677f\u6216\u96d9\u9762\u677f\uff1f\u55ae\u9762\u710a\u63a5\u6216\u662f\u96d9\u9762\u710a\u63a5\uff1f<\/font><\/em><\/strong><\/p>\n

\n

\u9019\u500b\u95dc\u4fc2\u5230\u7d44\u88dd\u96fb\u8def\u677f\u7684\u751f\u7522\u6210\u672c\uff0c\u5982\u679c\u53ef\u4ee5\u7684\u8a71\uff0c\u8981\u76e1\u91cf\u5730\u5c07\u6240\u6709\u7684\u96f6\u4ef6\u53ea\u653e\u5728\u677f\u5b50\u7684\u55ae\u9762\uff08\u540c\u4e00\u9762\uff09\uff0c\u9019\u6a23\u6703\u5927\u5927\u5730\u964d\u4f4e\u751f\u7522\u7684\u88fd\u7a0b\uff0c\u4f60\u8981\u77e5\u9053\uff0c\u5373\u4f7f\u5728\u677f\u5b50\u7684\u53e6\u4e00\u9762\u53ea\u67091\u9846\u96f6\u4ef6\uff0c\u4e00\u822c\u9084\u662f\u8981\u958b\u4e00\u689d\u7522\u7dda\u4f86\u505a\u710a\u63a5\uff0c\u5982\u679c\u53ef\u4ee5\u628a\u9019\u9846\u96f6\u4ef6\u5408\u4f75\u79fb\u5230\u8207\u5176\u4ed6\u96f6\u4ef6\u540c\u4e00\u9762\uff0c\u5c31\u53ef\u4ee5\u5c11\u6389\u4e00\u689d\u7522\u7dda\u7684\u8cbb\u7528\u3002<\/font><\/p>\n<\/blockquote>\n

3. \u96fb\u8def\u677f\u7d44\u88dd\u88fd\u7a0b\u8003\u616e\uff1f\u5168\u76f4\u63d2\uff1f\u5168\u8cbc\u7247\uff1f\u76f4\u63d2+\u8cbc\u7247\uff1f<\/em><\/strong><\/font><\/p>\n

\n

\u5982\u679c\u53ef\u4ee5\u505a\u5168\u901a\u5b54\u76f4\u63d2(\u6ce2\u710a\u88fd\u7a0b)\u6216\u5168\u8cbc\u7247(SMT\u88fd\u7a0b)\u6700\u597d\uff0c\u9019\u6a23\u5c31\u4e0d\u9700\u8981\u984d\u5916\u5730\u591a\u958b\u4e00\u689d\u4e0d\u4e00\u6a23\u7684\u7522\u7dda\uff0cSMT\u8207\u6ce2\u710a\u5206\u5c6c\u65bc\u4e0d\u540c\u7684\u710a\u63a5\u88fd\u7a0b\uff0c\u800c\u73fe\u5728\u7684EMS\u5ee0\u5176\u5be6\u5df2\u7d93\u8d8a\u4f86\u8d8a\u5c11\u4f7f\u7528\u6ce2\u710a\u7210\u4e86\uff0c\u5982\u679c\u53ef\u4ee5\u4e0d\u7528\u6ce2\u710a\u7210\u88fd\u7a0b\u5c31\u76e1\u91cf\u907f\u514d\uff0c\u56e0\u70ba\u958b\u4e00\u689d\u6ce2\u710a\u7210\u5149\u662f\u52a0\u71b1\u5c07\u6574\u500b\u932b\u7210\u6c60\u52a0\u71b1\u5230\u878d\u932b\u6eab\u5ea6\u7684\u96fb\u8cbb\u5c31\u5920\u5687\u4eba\u3002<\/font><\/p>\n<\/blockquote>\n

4. SMT\u5de5\u5ee0\u662f\u5426\u652f\u63f4\u7d05\u81a0\u6ce2\u710a\u88fd\u7a0b\uff1f<\/em><\/strong><\/font><\/p>\n

\n

\u7d05\u81a0\u88fd\u7a0b\u4e0d\u662f\u6bcf\u5bb6EMS\u5ee0\u90fd\u6709\u7684\uff0c\u8a2d\u8a08\u524d\u5efa\u8b70\u5148\u554f\u6e05\u695a\uff0c\u514d\u5f97\u8a2d\u8a08\u51fa\u4f86\u5f8c\u7121\u6cd5\u751f\u7522\u3002<\/font><\/p>\n

\u5176\u6b21\uff0c\u6ce2\u710a\u8207\u56de\u710a\u88fd\u7a0b\u91dd\u5c0d\u540c\u4e00\u9846\u96fb\u5b50\u96f6\u4ef6\u7684\u710a\u588a\u8ddd\u96e2\u8207\u5927\u5c0f\u8a2d\u8a08\u6703\u6709\u4e0d\u540c\u7684\u8981\u6c42\uff0c\u5efa\u8b70\u5148\u8a62\u554fSMT\u5de5\u5ee0\uff0c\u53d6\u5f97\u76f8\u95dc\u7684DFM\u8981\u6c42\u3002<\/font><\/p>\n

\u76f8\u95dc\u6587\u7ae0\u95b1\u8b80\uff1a
<\/font>\u4f55\u8b02SMT(Surface Mount Technology)\u8868\u9762\u8cbc\u710a(\u88dd)\u6280\u8853?<\/font>
<\/a>
\u4f55\u8b02SMT\u300c\u7d05\u81a0\u300d\u88fd\u7a0b\uff1f\u4ec0\u9ebc\u6642\u5019\u8a72\u7528\u7d05\u81a0\u5462\uff1f\u6709\u4f55\u9650\u5236\u5462\uff1f<\/font><\/a><\/p>\n<\/blockquote>\n

5. EMS\u6216SMT\u4ee3\u5de5\u5ee0\u662f\u5982\u4f55\u8a08\u7b97PCBA(\u96fb\u8def\u7d44\u88dd\u677f)\u4ee3\u5de5\u8cbb\u7528\u7684\u5462\uff1f<\/em><\/strong><\/font><\/p>\n

\n

\u4e00\u822c\u4f86\u8aaaEMS(Electronics Manufacturing Service)\u6216SMT\u4ee3\u5de5\u5ee0\u5927\u591a\u662f\u4ee5\u5de5\u6642(labor hours)\u4f86\u8a08\u7b97\u4ee3\u5de5\u8cbb\u7528\u7684\uff0c\u5c11\u6578\u4ee5BOM\u8868\u7684\u6750\u6599\u8cbb\u7528\u4e00\u5b9a\u767e\u5206\u6bd4\u4f86\u8a08\u7b97\u4ee3\u5de5\u8cbb\uff0c\u800c\u4e14\u6240\u6709\u9700\u8981\u7528\u5230\u7684\u6cbb\u5de5\u5177\u8cbb\u7528\u4e5f\u6703\u7b97\u4f60\u7684\u3002<\/font><\/p>\n

\u5982\u679c\u7d44\u88dd\u677f\u6703\u540c\u6642\u7528\u5230SMT\u53ca\u6ce2\u710a\u88fd\u7a0b\uff0c \u4e00\u822c\u4f86\u8aaaSMT\u7684\u55ae\u4f4d\u5de5\u6642\u8cbb\u7528\u6703\u6bd4\u6ce2\u710a\u4f86\u5f97\u8cb4\uff0c\u56e0\u70baSMT\u7684\u8a2d\u5099\u6bd4\u8f03\u8cb4\uff0c\u800c\u4e14\u4f5c\u696d\u54e1\u7684\u7d20\u8cea\u8981\u6c42\u6bd4\u8f03\u9ad8\uff0c\u6240\u4ee5\u76f8\u5c0d\u7684\u85aa\u8cc7\u4e5f\u6703\u6bd4\u8f03\u597d\u3002<\/font><\/p>\n

\u539f\u5247\u4e0a\uff0c\u4f60\u5982\u679c\u53ef\u4ee5\u6e1b\u5c11\u88fd\u7a0b\uff0c\u90a3\u9ebc\u4f60\u5c31\u53ef\u4ee5\u7bc0\u7701\u751f\u7522\u7684\u6210\u672c\uff0c\u56e0\u70ba\u4e00\u689d\u751f\u7522\u7dda\u4e0d\u8ad6\u4f60\u53ea\u7528\u4e86\u5b83\u76841\/10\u62161\/2\uff0c\u958b\u7dda\u5f8c\u6574\u689d\u7522\u7dda\u7684\u57fa\u672c\u8cbb\u7528\u5c31\u56fa\u5b9a\u5728\u90a3\u88e1\uff0c\u4e0d\u6703\u56e0\u70ba\u4f60\u5c11\u7528\u800c\u6e1b\u5c11\u8cbb\u7528\u3002<\/font><\/p>\n<\/blockquote>\n

\u4e0b\u9762\u6211\u5011\u5c31\u4f86\u770b\u770b\u76ee\u524d\u696d\u754c\u76845\u7a2e\u4e3b\u8981\u7684\u96fb\u8def\u677f\u7d44\u88dd\u88fd\u7a0b\u7684\u65b9\u6848\u5427\uff01<\/strong><\/em><\/font><\/p>\n

\u96fb\u8def\u677f\u7d44\u88dd\u5927\u81f4\u53ef\u4ee5\u5206\u6210\u4e0b\u5217\u5e7e\u7a2e\u4e3b\u6d41\u88fd\u7a0b\uff1a\u5168\u76f4\u63d2\uff1f\u5168\u8cbc\u7247\uff1f\u76f4\u63d2+\u8cbc\u7247\uff1f<\/strong><\/font><\/p>\n

\u96fb\u8def\u677f<\/strong><\/em><\/font>\u710a\u63a5\u88fd\u7a0b\u65b9\u6848\u4e00\u3001\u55ae\u9762\u677f\u5168\u76f4\u63d2\u4ef6\u6ce2\u710a\u88fd\u7a0b<\/strong><\/em><\/font><\/p>\n

\u88fd\u7a0b\uff1a<\/font><\/em><\/strong>\u55ae\u9762\u63d2\u4ef6 \u2013> \u6ce2\u5cf0\u710a(wave soldering)<\/font><\/font><\/p>\n

\"\u8def\u677f\u710a\u63a5\u88fd\u7a0b\u65b9\u6848\u4e00\u3001\u55ae\u9762\u677f\u5168\u76f4\u63d2\u4ef6\u6ce2\u710a\u88fd\u7a0b\"<\/font><\/font><\/p>\n

\u4e00\u822c\u70ba\u55ae\u9762\u677f\u4f7f\u7528\uff0c\u5168\u90e8\u7684\u96fb\u5b50\u96f6\u4ef6\u90fd\u70ba\u901a\u5b54\u7684\u63d2\u4ef6(insert parts or through hole parts)\u5305\u62ec\u96fb\u963b\u3001\u96fb\u5bb9\u8207\u96fb\u611f\uff0c\u4eba\u5de5\u63d2\u4ef6\u5c07\u96f6\u4ef6\u63d2\u5165\u55ae\u4e00\u9762\u7684\u677f\u5b50\u5f8c\u6d41\u7d93\u300c\u6ce2\u5cf0\u710a(Wave Soldering)\u300d\u5c07\u96f6\u4ef6\u710a\u63a5\u65bc\u96fb\u8def\u677f\u4e0a\uff0c\u9019\u7a2e\u677f\u5b50\u7684\u7279\u8272\u5c31\u662f\u96f6\u4ef6\u5168\u90e8\u5728\u96fb\u8def\u677f\u7684\u540c\u4e00\u9762\u4e0a\uff0c\u56e0\u6b64\u53ea\u8981\u904e\u4e00\u6b21\u6ce2\u710a\u5c31\u53ef\u4ee5\u5c07\u96f6\u4ef6\u710a\u63a5\u5b8c\u7562\u3002<\/font><\/p>\n

\u65e9\u671f\u5728\u9084\u6c92\u6709SMD\u96f6\u4ef6\u6642\uff0c\u96fb\u8def\u677f\u7d44\u88dd\u5e7e\u4e4e\u90fd\u662f\u63a1\u7528\u9019\u985e\u88fd\u7a0b\u3002\u7f3a\u9ede\u662f\u9700\u8981\u8f03\u5927\u7684\u96fb\u8def\u677f\u7a7a\u9593\uff0c\u800c\u4e14\u96a8\u8457\u6280\u8853\u6f14\u9032\uff0c\u8a31\u591a\u96f6\u4ef6\u90fd\u5df2\u7d93\u8f49\u6210SMD\u800c\u6c92\u6709\u63d2\u4ef6\u7684\u578b\u865f\uff0c\u6240\u4ee5\u73fe\u5728\u5df2\u7d93\u5f88\u5c11\u770b\u5230\u9019\u985e\u677f\u5b50\u7684\u88fd\u7a0b\u4e86\u3002<\/font><\/p>\n

\u73fe\u5728\u5076\u723e\u9084\u662f\u53ef\u4ee5\u770b\u5230\u67d0\u4e9b\u4fbf\u5b9c\u7684\u96fb\u6e90\u5668\/\u8b8a\u58d3\u5668\u6216\u6ed1\u9f20\u677f\u4f9d\u7136\u4f7f\u7528\u9019\u7a2e\u88fd\u7a0b\uff0c\u539f\u56e0\u662f\u96f6\u4ef6\u4fbf\u5b9c\uff0c\u6216\u662f\u56e0\u70ba\u9700\u8981\u7528\u5230\u8010\u5927\u96fb\u6d41\u6216\u662f\u96fb\u58d3\u7684\u96f6\u4ef6\uff0c\u5982\u679c\u9078\u7528SMD\u578b\u865f\u6703\u8cb4\u4e0a\u5f88\u591a\uff0c\u800c\u4e14\u5927\u90e8\u5206\u677f\u5b50\u9084\u662f\u4f7f\u7528\u4f4e\u50f9\u7684\u7d19\u8cea\u96fb\u8def\u677f\u3002\u4e5f\u6709\u4e00\u4e9b\u6bd4\u8f03\u7279\u6b8a\u7684\u677f\u5b50\u9700\u8981\u7528\u8010\u5927\u96fb\u6d41\u6216\u662f\u96fb\u58d3\u7684\u96f6\u4ef6\uff0c\u9019\u985e\u96f6\u4ef6\u53ef\u80fd\u9084\u627e\u4e0d\u5230SMD\u578b\u865f\u96f6\u4ef6\u53ef\u4ee5\u53d6\u4ee3\u3002<\/font><\/p>\n

\u76f8\u95dc\u6587\u7ae0\u95b1\u8b80\uff1a\u4f55\u8b02\u300c\u6ce2\u5cf0\u710a(wave soldering)\u300d\uff1f\u6ce2\u710a\u88fd\u7a0b\u6280\u8853\u4ecb\u7d39<\/a><\/font><\/p>\n

\u96fb\u8def\u677f<\/strong><\/em><\/font>\u710a\u63a5\u88fd\u7a0b\u65b9\u6848\u4e8c\uff1a\u55ae\u9762\u677f\u8cbc\u7247SMT+\u63d2\u4ef6\u6ce2\u710a\u88fd\u7a0b<\/strong><\/em><\/font><\/p>\n

\u88fd\u7a0b\uff1a<\/em><\/strong><\/font>\u55ae\u9762\u5370\u932b\u818f\u6253SMD\u96f6\u4ef6 \u2013> \u56de\u710a\u7210(reflow) \u2013> \u55ae\u9762\u63d2\u4ef6 \u2013> \u6ce2\u710a\u7210(wave soldering)<\/font><\/p>\n

\u4e00\u822c\u70ba\u55ae\u9762\u677f\u4f7f\u7528\uff0c\u5728\u96fb\u8def\u677f\u7684\u540c\u4e00\u9762\u540c\u6642\u653e\u7f6e\u6709SMD\u8cbc\u7247\u8207\u901a\u5b54\u63d2\u4ef6\uff0c\u88fd\u7a0b\u4e0a\u8981\u5c07\u677f\u5b50\u5148\u7d93\u904eSMT\u7dda\u5370\u5237\u932b\u818f\uff0c\u5c07SMD\u96f6\u4ef6\u6253\u5728\u677f\u5b50\u4e0a\uff0c\u7d93\u56de\u710a\u5c07SMD\u96f6\u4ef6\u710a\u63a5\u65bc\u677f\u5b50\u4e0a\uff0c\u7136\u5f8c\u9084\u8981\u4f86\u5230\u63d2\u4ef6\u7ad9\uff0c\u4eba\u5de5\u6216\u81ea\u52d5\u63d2\u4ef6\u6a5f\u5c07\u63d2\u4ef6\u63d2\u5165\u677f\u5b50\u4e0a\uff0c\u7136\u5f8c\u7d93\u904e\u6ce2\u5cf0\u710a\u5c07\u63d2\u4ef6\u710a\u63a5\u65bc\u677f\u5b50\u4e0a\u3002<\/font><\/p>\n

\u56e0\u61c9\u677f\u5b50\u5c3a\u5bf8\u8d8a\u4f86\u8d8a\u5c0f\uff0c\u800c\u4e14SMD\u96f6\u4ef6\u8d8a\u4f86\u8d8a\u666e\u53ca\u8207\u4fbf\u5b9c\uff0c\u6240\u4ee5\u73fe\u5728\u5927\u90e8\u4efd\u7684\u6d88\u8cbb\u6027\u96fb\u8def\u677f\u7d44\u88dd\u88fd\u7a0b\u5e7e\u4e4e\u90fd\u5df2\u7d93\u671d\u5411\u300cSMD+\u63d2\u4ef6\u300d\u767c\u5c55\u3002\u4e5f\u5c31\u662f\u73fe\u5728\u7684\u7d44\u88dd\u96fb\u8def\u677f\u4e0a\u5927\u90e8\u4efd\u7684\u96fb\u5b50\u96f6\u4ef6\u90fd\u4f7f\u7528SMD\u5c01\u88dd\uff0c\u800c\u5c11\u90e8\u4efd\u7121\u6cd5\u4f7f\u7528SMD\u53d6\u4ee3\u7684\u96f6\u4ef6\uff0c\u6216\u662f\u57fa\u65bc\u50f9\u683c\u56e0\u7d20\u8003\u91cf\u800c\u4f7f\u7528\u901a\u5b54\u63d2\u4ef6\u3002<\/font><\/p>\n

\u6240\u4ee5\uff0c\u9019\u985e\u677f\u5b50\u4e5f\u662f\u76ee\u524d\u6700\u7d93\u6fdf\u7684\u96fb\u8def\u677f\u7d44\u88dd\u88fd\u7a0b\u3002<\/font><\/p>\n

\u96fb\u8def\u677f<\/strong><\/em><\/font>\u710a\u63a5\u88fd\u7a0b\u65b9\u6848\u4e09\uff1a\u96d9\u9762\u677f\u96d9\u9762\u8cbc\u7247SMT+\u9ede\u7d05\u81a0+\u63d2\u4ef6\u6ce2\u710a\u88fd\u7a0b<\/strong><\/em><\/font><\/p>\n

\u88fd\u7a0b\uff1a<\/em><\/strong><\/font>\u7b2c\u4e00\u9762\u5370\u932b\u818f\u6253SMD\u96f6\u4ef6 \u2013> \u7b2c\u4e00\u6b21\u56de\u710a\u7210(1st reflow) \u2013> \u7b2c\u4e8c\u9762\u9ede\u7d05\u81a0<\/font><\/strong>\u6253SMD\u96f6\u4ef6 \u2013>\u7b2c\u4e8c\u6b21\u56de\u710a\u7210(\u7210\u6eab\u4f9d\u64da\u7d05\u81a0\u8981\u6c42\u8abf\u6574) \u2013>\u7b2c\u4e00\u9762\u63d2\u4ef6 \u2013> \u6ce2\u710a\u7210(Wave Soldering)<\/font><\/p>\n

<\/p>\n

\u9019\u662f\u8f03\u65e9\u671f\u7d44\u88dd\u96d9\u9762\u677f\u710a\u63a5\u7684\u88fd\u7a0b\u5de5\u85dd\uff0c\u65e9\u671f\u96fb\u5b50\u96f6\u4ef6\u9084\u5728\u5f9e\u901a\u5b54\u63d2\u4ef6\u904e\u5ea6\u5230SMD\u96f6\u4ef6\u5c01\u88dd\u7684\u968e\u6bb5\uff0c\u4e00\u7247\u96fb\u8def\u677f\u4e0a\u81f3\u5c11\u9084\u6703\u670910\u9846\u4ee5\u4e0a\u7684\u50b3\u7d71\u901a\u5b54\u63d2\u4ef6\u6216\u8005\u66f4\u591a\uff0c\u800c\u4e14\u7576\u6642\u7684\u96fb\u963b\u3001\u96fb\u5bb9\u3001\u96fb\u611f\u7b49\u5c0f\u96f6\u4ef6(small chip)\u9084\u57280603\u5c3a\u5bf8\u4ee5\u4e0a\uff0c\u6709\u7684\u751a\u81f3\u9084\u5728\u4f7f\u75281206\u3002<\/font><\/p>\n

\u65bc\u662f\u5c31\u6709\u4e86\u5728\u677f\u5b50\u7684\u7b2c\u4e8c\u9762\u9ede\u7d05\u81a0\u56fa\u5b9aSMD\u96f6\u4ef6\uff0c\u7136\u5f8c\u63d2\u4ef6\u5f8c\u8d70\u6ce2\u5cf0\u710a\u88fd\u7a0b\u51fa\u73fe\uff0c\u56e0\u70ba\u65b9\u6848\u4e00\u53ca\u4e8c\u90fd\u53ea\u80fd\u5c07\u96fb\u5b50\u96f6\u4ef6\u4f48\u7f6e\u5728\u55ae\u9762\u677f\u4e0a\u4f7f\u7528\uff0c\u5982\u679c\u53ef\u4ee5\u9023\u677f\u5b50\u7684\u7b2c\u4e8c\u9762\u90fd\u53ef\u4ee5\u5229\u7528\u64fa\u653e\u96f6\u4ef6\uff0c\u5c31\u53ef\u4ee5\u5927\u5927\u7684\u589e\u52a0\u677f\u5b50\u7684\u5229\u7528\u7387\u4e26\u7e2e\u5c0f\u677f\u6750\uff0c\u53ef\u662f\u5982\u679c\u4e00\u6a23\u5c07\u677f\u5b50\u7b2c\u4e8c\u9762\u5370\u932b\u818f\u710a\u63a5\u5f8c\u518d\u62ff\u53bb\u904e\u6ce2\u710a\uff0c\u56e0\u70ba\u677f\u5b50\u4e0a\u9084\u662f\u6709\u5f88\u591a\u63d2\u4ef6\uff0c\u7b2c\u4e8c\u9762\u5df2\u7d93\u56fa\u5316\u7684\u932b\u818f\u5728\u6d41\u7d93\u6ce2\u710a\u932b\u7210\u6642\u6703\u88ab\u878d\u5316\uff0c\u7b2c\u4e8c\u9762\u7684\u96fb\u5b50\u96f6\u4ef6\u5c31\u6703\u6389\u843d\u7684\u932b\u6c60\u7576\u4e2d\uff0c\u65bc\u662f\u767c\u5c55\u51fa\u4e86\u7d05\u81a0\u88fd\u7a0b\uff0c\u7d05\u81a0\u4e00\u822c\u70ba\u4e0d\u53ef\u9006\u7684\u74b0\u6c27\u6a39\u8102\u6750\u8cea\uff0c\u53ef\u4ee5\u9ecf\u4f4fSMD\u96f6\u4ef6\uff0c\u5c31\u7b97\u5728\u6d41\u7d93\u6ce2\u710a\u7210\u6642\u4e5f\u4e0d\u6703\u91cd\u65b0\u878d\u5316\u3002<\/font><\/p>\n

\u4f7f\u7528\u9650\u5236\uff1a<\/em><\/font><\/strong><\/font><\/p>\n