{"id":2531,"date":"2013-05-15T08:18:00","date_gmt":"2013-05-15T00:18:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=2531"},"modified":"2024-03-29T16:31:33","modified_gmt":"2024-03-29T08:31:33","slug":"smd-go-wave-solder","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2013\/05\/smd-go-wave-solder\/","title":{"rendered":"\u5982\u4f55\u8b93SMD\u96f6\u4ef6\u53ef\u4ee5\u8d70\u6ce2\u710a(wave soldering)\u88fd\u7a0b\uff1f"},"content":{"rendered":"<p align=\"center\"><font size=\"3\"><img loading=\"lazy\" decoding=\"async\" title=\"\u9670\u5f71\u6548\u61c9(shadow Effect)\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"\u9670\u5f71\u6548\u61c9(shadow Effect)\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/271e5c6927e9_8AAC\/shadow-Effect.png\" width=\"454\" height=\"282\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5de5\u4f5c\u718a\u5728\u524d\u9762\u7bc7\u5e45\u4e2d\u66fe\u7d93\u6709\u4ecb\u7d39\u904e\u65e9\u671fPCBA\u710a\u63a5\u8d70\u7684\u662f\u3010<\/font><a href=\"\/\/m.letratesoro.com\/2013\/04\/wave-soldering\/\" target=\"_blank\" rel=\"noopener\"><font size=\"4\">\u6ce2\u710a(wave soldering)<\/font><\/a><font size=\"4\">\u3011\u88fd\u7a0b\uff0c\u800cSMT\u88fd\u7a0b\u5247\u662f\u5f8c\u4f86\u624d\u767c\u5c55\u51fa\u4f86\u7684\u3002\u6ce2\u710a\u9664\u4e86\u7528\u4f86\u710a\u63a5\u90a3\u4e9b\u50b3\u7d71\u7684\u63d2\u4ef6\u4e4b\u5916\uff0c\u662f\u4e0d\u662f\u4e5f\u53ef\u4ee5\u62ff\u4f86\u710a\u63a5SMT\u8cbc\u7247\u5f8c\u7684SMD\u96f6\u4ef6\u5462\uff1f\u5de5\u4f5c\u718a\u767c\u73fe\u4f3c\u4e4e\u4ecd\u7136\u6709\u8a31\u591a\u5f97\u670b\u53cb\u5f04\u4e0d\u6e05\u695a\u6ce2\u710a\u8207SMD\u96f6\u4ef6\u7684\u95dc\u4fc2\uff1f\u6240\u4ee5\uff0c\u672c\u6587\u8981\u4ecb\u7d39\u5982\u4f55\u8b93SMD\u96f6\u4ef6\u53ef\u4ee5\u8d70\u6ce2\u710a\u7684\u95dc\u9375\u88fd\u7a0b\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5728\u6211\u5011\u7e7c\u7e8c\u4e0b\u9762\u7684\u6587\u7ae0\u524d\uff0c\u5de5\u4f5c\u718a\u9019\u88e1\u8981\u5148\u6f84\u6e05\u4e00\u4e0bSMD\u8207SMT\u9019\u5169\u500b\u540d\u8a5e\u7684\u5340\u5225\uff0c\u9019\u5169\u500b\u540d\u8a5e\u6709\u6642\u5019\u662f\u53ef\u4ee5\u4e92\u76f8\u66ff\u4ee3\u4f7f\u7528\u7684\uff0c\u4f46\u5169\u8005\u7684\u6839\u672c\u9084\u662f\u6709\u4e9b\u5dee\u5225\u7684\u3002<\/font><\/p>\n<ul>\n<li><font size=\"4\">SMD: Surface Mount Device (\u8868\u9762\u8cbc\u8457\u96f6\u4ef6) <\/font><\/li>\n<li><font size=\"4\">SMT: Surface Mount Technology (\u8868\u9762\u8cbc\u8457\u6280\u8853) <\/font><\/li>\n<\/ul>\n<p align=\"justify\"><font size=\"4\">\u4e00\u822c\u4f86\u8aaa\u6ce2\u710a\u6700\u4e3b\u8981\u7684\u710a\u63a5\u5c0d\u8c61\u662f\u4f7f\u7528\u50b3\u7d71\u7684\u901a\u5b54\u6280\u8853\uff08THT, Through-Hole Technology\uff09\u7684\u63d2\u4ef6\u96f6\u4ef6(THD, Through-Hole Device)\uff0c\u56e0\u70ba\u63d2\u4ef6\u96f6\u4ef6\u6703\u653e\u7f6e\u5728\u96fb\u8def\u677f\u7684\u4e0a\u65b9\uff0c\u901a\u904e\u96fb\u934d\u8cab\u901a\u5b54(PTH, Plating Through Hole)\u628a\u710a\u8173\u9732\u51fa\u65bc\u677f\u5b50\u7684\u4e0b\u65b9\uff0c\u800c\u96fb\u8def\u677f\u7684\u4e0b\u65b9(\u80cc\u9762)\u5247\u6703\u662f\u50cf\u8222\u8228\u4e00\u6a23\u6ed1\u904e\u6ce2\u5cf0\u710a\u7684\u6db2\u932b\u9762\uff0c\u8b93\u7194\u878d\u7684\u932b\u6db2\u6cbe\u9644\u5728\u96f6\u4ef6\u7684\u710a\u8173\u8207\u96fb\u8def\u677f\u7684\u901a\u5b54\u5167\u58c1\u8207\u710a\u588a\u4e0a\u5c31\u53ef\u4ee5\u5b8c\u6210\u710a\u63a5\u7684\u88fd\u7a0b\u3002<\/font><\/p>\n<p><!--more--><\/p>\n<h4>\n<p align=\"justify\"><font color=\"#9b00d3\" size=\"5\">\u90a3SMDs\u4e5f\u53ef\u4ee5\u8d70\u6ce2\u710a\u88fd\u7a0b\u55ce\uff1fSMDs\u8cbc\u4e0aPCB\u7684\u6ce2\u710a\u9762(\u5e95\u9762)\u4e0d\u6703\u5728\u904e\u6ce2\u710a\u6642\u6389\u5230\u932b\u7210\u5167\u55ce\uff1f<\/font><\/p>\n<\/h4>\n<blockquote>\n<p align=\"center\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2015\/02\/Wave_Soldering_bd03.png\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u4e00\u822cSMD\u96f6\u4ef6\u5982\u679c\u60f3\u8d70\u6ce2\u710a\uff08Wave Soldering\uff09\u88fd\u7a0b\uff0c\u5fc5\u9808\u8981\u5148\u5728\u96f6\u4ef6\u7684\u5e95\u4e0b\u9ede\u4e0a<strong><font color=\"#0000ff\">\u7d05\u81a0<\/font><\/strong>\u5c07\u5176\u56fa\u5b9a\u65bc\u96fb\u8def\u677f\u4e0a\uff0c\u7136\u5f8c\u7d93\u904eoven\u4f86\u56fa\u5316\u7d05\u81a0\uff08\u4e00\u822c\u76f4\u63a5\u4f7f\u7528\u56de\u710a\u7210\uff09\uff0c\u9019\u7d05\u81a0\u7684\u8010\u71b1\u80fd\u529b\u9084\u5fc5\u9808\u8981\u9ad8\u65bc\u6ce2\u710a\u932b\u7210\u7684\u6eab\u5ea6\uff0c\u5426\u5247SMD\u96f6\u4ef6\u7d93\u904e\u6ce2\u710a\u932b\u7210\u6642\u5c07\u6703\u56e0\u70ba\u7121\u6cd5\u627f\u53d7\u9ad8\u6eab\u800c\u8106\u5316\u6216\u878d\u5316\u6389\u843d\u65bc\u6ce2\u710a\u932b\u7210\u7576\u4e2d\u3002\u7576\u7136\uff0c\u5982\u679c\u7d05\u81a0\u88fd\u7a0b\u6c92\u6709\u9ecf\u597d\u6216\u662f\u5176\u4ed6\u56e0\u7d20\u90fd\u6709\u53ef\u80fd\u4f7f\u5f97\u96f6\u4ef6\u6389\u843d\u6ce2\u710a\u932b\u7210\u4e2d\uff0c\u6240\u4ee5\u6ce2\u710a\u932b\u7210\u901a\u5e38\u5728\u4f7f\u7528\u4e00\u6bb5\u6642\u9593\u5f8c\u5c31\u9700\u8981\u505c\u7210\uff0c\u628a\u4e00\u4e9b\u6c89\u5728\u710a\u932b\u7210\u5e95\u4e0b\u7684\u96f6\u4ef6\u6b98\u6e23\u6488\u8d77\u4f86\uff0c\u5426\u5247\u6642\u9593\u4e45\u4e86\uff0c\u9019\u4e9b\u6389\u843d\u932b\u7210\u5167\u7684\u96f6\u4ef6\u5c07\u6703\u6c61\u67d3\u932b\u6db2\uff0c\u9020\u6210\u932b\u6db2\u7684\u54c1\u8cea\u8b8a\u5dee\uff0c\u5c0e\u81f4\u6ce2\u710a\u54c1\u8cea\u4e0d\u826f\u7684\u554f\u984c\u3002<\/font><\/p>\n<p><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u9084\u6709\u4e00\u9ede\u9700\u63d0\u9192\u5927\u5bb6\u6ce8\u610f\u7684\uff0c\u4e26\u4e0d\u662f\u6240\u6709\u7684SMD\u96f6\u4ef6\u90fd\u53ef\u4ee5\u8d70\u6ce2\u710a\u88fd\u7a0b\uff0c\u5de5\u4f5c\u718a\u5f8c\u9762\u6703\u518d\u8a73\u8ff0\u3002<\/font><\/p>\n<\/blockquote>\n<h4>\n<p align=\"justify\"><font color=\"#9b00d3\" size=\"5\">SMD\u96f6\u4ef6\u904e\u6ce2\u5cf0\u710a\u6642\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u932b\u818f\u4f86\u53d6\u4ee3\u7d05\u81a0\uff1f<\/font><\/p>\n<\/h4>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u66fe\u7d93\u6709\u4eba\u554f\u5de5\u4f5c\u718a\u8aaa\uff1a\u300c<span class=\"UNDER2\">\u5982\u679c\u5728SMT\u88fd\u7a0b\u7684\u6642\u5019\u5c31\u4e8b\u5148\u5370\u4e0a\u932b\u818f\u904e\u56de\u710a\u7210\uff0c\u9019\u6a23\u518d\u62ff\u53bb\u904e\u6ce2\u710a\u932b\u7210\u6642\uff0c<\/span><span class=\"UNDER2\">\u662f\u4e0d\u662f\u5c31\u53ef\u4ee5\u4e0d\u5fc5\u518d\u9ede\u7d05\u81a0\u4e86\uff1f<\/span>\u300d\u5de5\u4f5c\u718a\u7b2c\u4e00\u6b21\u770b\u5230\u9019\u500b\u554f\u984c\u6642\u8457\u5be6\u8b93\u7d0d\u60b6\u4e86\u8a31\u4e45\uff0c\u5f8c\u4f86\u60f3\u60f3\u4e5f\u5c31\u91cb\u61f7\u4e86\uff0c\u7562\u7adf\u9084\u662f\u6709\u5f88\u591a\u670b\u53cb\u672a\u66fe\u898b\u904e\u6ce2\u710a\u88fd\u7a0b\uff0c\u6216\u662f\u672a\u66fe\u77ad\u89e3\u904e\u6ce2\u710a\u7684\u710a\u63a5\u539f\u7406\u3002\u6240\u4ee5\u7b54\u6848\u7576\u7136\u662f\u300c<font style=\"background-color: rgb(255, 255, 0);\">\u4e0d\u53ef\u4ee5<\/font>\u300d\uff0c\u56e0\u70ba\u932b\u818f\u8207\u6ce2\u5cf0\u710a\u5167\u7684\u710a\u932b\u6210\u4efd\u5e7e\u4e4e\u662f\u4e00\u6a23\u7684\uff0c\u6240\u4ee5\u5176\u878d\u5316\u6eab\u5ea6\u4e5f\u76f8\u5dee\u7121\u5e7e\uff0c\u4e5f\u5c31\u662f\u8aaa\u5982\u679cSMD\u96f6\u4ef6\u53ea\u4f7f\u7528\u932b\u818f\u9ecf\u4f4f\uff0c\u5728\u7d93\u904e\u6ce2\u710a\u7684\u878d\u7194\u932b\u6db2\u6642\u53ef\u662f\u6703\u8ddf\u8457\u878d\u5316\u7684\uff0c\u5982\u679c\u6c92\u6709\u4f7f\u7528\u6bd4\u932b\u6db2\u6eab\u5ea6\u9084\u9ad8\u7684\u7d05\u81a0\u4f86\u9ecf\u4f4f\uff0cSMDs\u53ef\u662f\u6703\u76f4\u63a5\u6389\u843d\u9032\u932b\u7210\u4e2d\u7684\u3002<\/font><\/p>\n<\/blockquote>\n<h4>\n<p align=\"justify\"><font color=\"#9b00d3\" size=\"5\">\u662f\u5426\u53ef\u4ee5\u540c\u6642\u5370\u5237\u932b\u818f\u53c8\u9ede\u7d05\u81a0\u4f86\u8d70\u6ce2\u710a\u5462\uff1f<\/font><\/p>\n<\/h4>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u9019\u7a2e\u96d9\u88fd\u7a0b\u78ba\u5be6\u662f\u53ef\u884c\u7684\uff0c\u4e00\u822c\u6703\u9019\u6a23\u505a\u7684\u76ee\u7684\u662f\u70ba\u4e86\u8981\u964d\u4f4e\u904e\u6ce2\u710a\u6642\u7684\u7a7a\u710a\u53ca\u865b\u710a\u554f\u984c\uff0c\u56e0\u70ba\u6ce2\u710a\u88fd\u7a0b\u5bb9\u6613\u5728\u5927\u96f6\u4ef6\u5f8c\u9762\u7684\u5c0f\u96f6\u4ef6\u7522\u751f\u9670\u5f71\u6548\u61c9(Shadow Effect)\uff0c\u9670\u5f71\u4e0b\u7684\u710a\u9ede\u6216\u96f6\u4ef6\u4e0d\u5bb9\u6613\u63a5\u89f8\u5230\u710a\u932b\u800c\u7121\u6cd5\u5f62\u6210\u826f\u597d\u7684\u710a\u63a5\u3002\u4e0d\u904e\u9019\u9ebc\u505a\u5c31\u9700\u8981\u591a\u589e\u52a0\u4e00\u9053\u88fd\u7a0b\uff0c\u6210\u672c\u4e5f\u5c31\u589e\u52a0\u4e86\uff1b\u5176\u6b21\u662f\u932b\u818f\u6709\u53ef\u80fd\u6b98\u7559\u5728\u7d05\u81a0\u7684\u4e0b\u9762\uff0c\u9020\u6210\u54c1\u8cea\u4e0a\u7684\u4e0d\u5b9a\u6642\u70b8\u5f48\uff0c\u56e0\u70ba\u932b\u818f\u5370\u5237\u7684\u6642\u5019\uff0c\u6709\u6642\u5f8c\u6703\u6709\u6b98\u7559\u7684\u932b\u818f\u6cbe\u6c61\u65bc\u92fc\u677f(Stencil)\u958b\u53e3\u8655\u9644\u8fd1\u7684\u80cc\u9762\uff0c\u9019\u6642\u5019\u5982\u679c\u525b\u597d\u53c8\u628a\u7d05\u81a0\u9ede\u5728\u6709\u932b\u818f\u6b98\u7559\u7684\u4f4d\u7f6e\u4e0a\uff0c\u932b\u818f\u5c31\u4e0d\u5bb9\u6613\u88ab\u6ce2\u5cf0\u710a\u932b\u7210\u5167\u7684\u932b\u6db2\u5e36\u8d70\uff0c\u6b98\u7559\u4e0b\u4f86\u7684\u710a\u932b\u5c31\u6709\u53ef\u80fd\u9020\u6210\u96fb\u6c23\u4e0a\u7684\u77ed\u8def\uff0c\u6216\u662f\u4f7f\u7528\u4e00\u6bb5\u6642\u9593\u5f8c\u56e0\u70ba\u6c34\u6c23\u53ca\u96fb\u4f4d\u5dee\u800c\u7522\u751f<a title=\"\u96fb\u5b50\u9077\u79fb(electromigration, EM)\u53ca\u96fb\u5b50\u5316\u5b78\u9077\u79fb(electrochemical migration, ECM)\u6709\u4f55\u5dee\u7570\uff1f\" href=\"\/\/m.letratesoro.com\/2024\/03\/ec-emc\/\" target=\"_blank\" rel=\"noopener\">\u96fb\u5316\u5b78\u9077\u79fb(electochemical migration)<\/a>\u3002\u53e6\u5916\uff0c\u932b\u818f\u4e00\u65e6\u6cbe\u9644\u5230\u7d05\u81a0\uff0c\u4e5f\u53ef\u80fd\u5f71\u97ff\u5230\u7d05\u81a0\u7684\u9ecf\u8457\u6027\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font><a href=\"\/\/m.letratesoro.com\/2015\/07\/smt-red-glue\/\" target=\"_blank\" rel=\"noopener\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\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<h4>\n<p align=\"justify\"><font color=\"#9b00d3\" size=\"5\">\u54ea\u4e9bSMD\u96f6\u4ef6\u53ef\u4ee5\u8d70\u6ce2\u5cf0\u710a\u63a5\u88fd\u7a0b\uff1f<\/font><\/p>\n<\/h4>\n<blockquote>\n<p align=\"justify\"><font size=\"4\"><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">BGA\u3001\u9023\u63a5\u5668(connector)\u3001\u8b8a\u58d3\u5668(transformer)\u3001QFN\u3001LGA\u2026\u7b49SMD\u96f6\u4ef6\u57fa\u672c\u4e0a\u7121\u6cd5\u8d70\u6ce2\u710a\u88fd\u7a0b\uff0c\u56e0\u70ba\u710a\u932b\u7121\u6cd5\u5b8c\u5168\u6ef2\u900f\u5230\u96f6\u4ef6\u7684\u5e95\u4e0b\uff08\u5982BGA\u3001QFN\u53caLGA\uff09\u5f62\u6210\u710a\u9ede\uff0c\u800c\u4e14\u6709\u4e9b\u96f6\u4ef6\u56e0\u70ba\u672c\u9ad4\u6709\u7e2b\u9699\u6703\u4f7f\u5f97\u710a\u932b\u6ef2\u900f\u9032\u96f6\u4ef6\u9020\u6210\u77ed\u8def\u6216\u640d\u58de\u96f6\u4ef6\uff08\u5982connector\u53catransformer\uff09\u3002<\/font><\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u4ee5\u5de5\u4f5c\u718a\u500b\u4eba\u7d93\u9a57\u4f86\u8aaa\uff0c\u4e00\u822c\u5c3a\u5bf8\u57280603\u4ee5\u4e0a\u7684\u7247\u5f0f\u96f6\u4ef6(small chip)\u3001SOT\u90fd\u53ef\u4ee5\u8d70\u6ce2\u710a\u88fd\u7a0b\uff0c\u53e6\u5916\u5169\u6392\u8173\u5411\u5916\u7684SOP\u6216SOIC\u7b49IC\u96f6\u4ef6\u4e5f\u53ef\u4ee5\u8d70\u6ce2\u710a\uff0c\u800c\u56db\u6392\u8173\u5411\u5916\u7684QFP\u53ef\u4ee5\u6709\u9650\u5ea6\u7684\u4f7f\u7528\uff0c\u4f46\u5982\u679c\u662f\u7d30\u9593\u8173(fine-pitch)\u7684QFP\u5247\u975e\u5e38\u5bb9\u6613\u9020\u6210\u77ed\u8def\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u800c0402\u4ee5\u4e0b\u7684\u88ab\u52d5\u5143\u4ef6\uff0c\u4ee5\u53ca\u4e00\u822c\u5f4e\u8173\u5411\u5167\u7684IC\uff08\u5982PLCC)\u6216\u662f\u710a\u8173\u5728\u672c\u9ad4\u5e95\u4e0b\u7684\u96f6\u4ef6\u90fd\u4e0d\u5efa\u8b70\u8d70\u6ce2\u710a\u88fd\u7a0b\uff0c\u56e0\u70ba\u5bb9\u6613\u9020\u6210\u81ea\u9ad4\u77ed\u8def\u6216\u662f\u7a7a\u710a\u7684\u554f\u984c\u3002\uff08\u76ee\u524d\u770b\u5230\u6709\u4eba\u5617\u8a66\u75280402\u96f6\u4ef6\u9ede\u7d05\u81a0\u8d70\u6ce2\u710a\u6210\u529f\uff0c\u5176\u95dc\u9375\u9ede\u662f\u7d05\u81a0\u7684\u81a0\u91cf\u8981\u63a7\u5236\u5f97\u7576\uff0c\u6ce2\u710a\u7210\u7684\u689d\u4ef6\u4e5f\u8981\u914d\u5408\u5f97\u597d\uff09<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u6240\u4ee5\u4e00\u822c\u6ce2\u5cf0\u710a\u88fd\u7a0b\u7684\u677f\u5b50\u90fd\u6703\u628a\u4e0d\u80fd\u8d70\u6ce2\u92b2\u7684SMD\u96f6\u4ef6\u8207\u50b3\u7d71\u63d2\u4ef6\u96f6\u4ef6\u96c6\u4e2d\u8a2d\u8a08\u5728\u96fb\u8def\u677f\u7684\u7b2c\u4e00\u9762\uff08\u4e0d\u8d70\u6ce2\u5cf0\u710a\u90a3\u4e00\u9762\uff09\uff0c\u800c\u7b2c\u4e8c\u9762\u5247\u53ea\u653e\u7f6e\u53ef\u4ee5\u904e\u6ce2\u710a\u7684SMD\u96f6\u4ef6\u3002\u7576\u7136\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u904e\u7210\u906e\u7f69\u8f09\u5177\u4f86\u4fdd\u8b77\u90a3\u4e9b\u4e0d\u80fd\u8d70\u6ce2\u710a\u7684\u96f6\u4ef6\u53ea\u9732\u51fa\u9700\u8981\u6ce2\u710a\u7684\u96f6\u4ef6\u710a\u8173\uff0c\u4f46\u904e\u7210\u6cbb\u5177\u4e0d\u53ea\u9700\u8981NRE\uff0c\u4e5f\u9700\u8981\u984d\u5916\u7684\u4eba\u529b\u914d\u7f6e\u3002<\/font><\/p>\n<\/blockquote>\n<h4>\n<p align=\"justify\"><font color=\"#9b00d3\" size=\"5\">\u96e3\u9053QFN\u3001BGA\u96f6\u4ef6\u8d70\u6ce2\u5cf0\u710a\u5c31\u4e00\u5b9a\u4e0d\u80fd\u64fa\u653e\u5728\u7b2c\u4e8c\u9762\uff1f\uff08\u9078\u64c7\u6027\u6ce2\u5cf0\u710a\u63a5\uff09<\/font><\/p>\n<\/h4>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u6709\u6642\u5019\u6703\u7531\u65bcPCB\u8a2d\u8a08\u4e0a\u7684\u4fb7\u9650\uff0c\u4e0d\u5f97\u4e0d\u5c07QFN\u3001BGA\u9019\u985e\u96f6\u4ef6\u8a2d\u8a08\u5728\u96fb\u8def\u677f\u7684\u7b2c\u4e8c\u9762\uff0c\u9019\u8b93\u8ca0\u8cac\u5de5\u5ee0\u88fd\u7a0b\u7684\u5de5\u7a0b\u5e2b\u5f88\u662f\u50b7\u8166\u7b4b\uff0c\u5176\u5be6\u9019\u985e\u7121\u6cd5\u7d93\u7531\u6ce2\u710a\u7684SMD\u96f6\u4ef6\u4e5f\u4e0d\u662f\u4e0d\u80fd\u88ab\u8a2d\u8a08\u5728\u96fb\u8def\u677f\u7684\u7b2c\u4e8c\u9762\uff0c\u6211\u5011\u4e00\u822c\u6703\u63a1\u7528\u3010\u9078\u64c7\u6027\u906e\u7f69\u6ce2\u710a\u3011\u88fd\u7a0b\uff0c\u5229\u7528\u6ce2\u710a\u8f09\u5177(carrier, template)\u5c07\u4e00\u4e9b\u4e0d\u80fd\u904e\u6ce2\u710a\u7684\u96f6\u4ef6\u906e\u7f69\u4fdd\u8b77\u8d77\u4f86\uff0c\u9019\u6a23\u932b\u6ce2\u5c31\u4e0d\u6703\u63a5\u89f8\u5230\u90a3\u4e9b\u4e0d\u80fd\u7528\u6ce2\u5cf0\u710a\u63a5\u7684\u96f6\u4ef6\u4e86\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u4e0d\u904e\u4f7f\u7528\u9078\u64c7\u6027\u906e\u7f69\u6ce2\u710a\u6709\u4e00\u5b9a\u7684\u4f7f\u7528\u689d\u4ef6\u5c31\u662f\u4e86\uff0c\u6bd4\u5982\u8aaa\u96f6\u4ef6\u7684\u9ad8\u5ea6\u9650\u5236\uff0c\u9084\u6709\u96fb\u8def\u677f\u96f6\u4ef6\u5b89\u7f6e\u6642\u9700\u8981\u9810\u7559\u8f09\u5177\u7684\u7a7a\u9593\uff0c\u8f09\u5177\u7684\u50f9\u9322\u4e5f\u662f\u500b\u8003\u616e\u56e0\u7d20\u3002\u8a73\u7d30\u5167\u5bb9\u53ef\u4ee5\u53c3\u8003\u3010<\/font><a href=\"\/\/m.letratesoro.com\/2011\/05\/selective-wave-soldering-process\/\" target=\"_blank\" rel=\"noopener\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u9078\u64c7\u6027\u906e\u7f69\u6ce2\u710a\u88fd\u7a0b\u7684\u4f7f\u7528\u6642\u6a5f(selective mask wave soldering)<\/font><\/a><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u3011\u4e00\u6587\u3002<\/font><\/p>\n<\/blockquote>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font><\/p>\n<ul>\n<li><a href=\"\/\/m.letratesoro.com\/2011\/05\/wave-soldering-insertion-guidance\/\"><font size=\"4\">\u6ce2\u710a(Wave soldering)\u6642\u96f6\u4ef6\u64fa\u653e\u7684\u8a2d\u8a08\u898f\u7bc4<\/font><\/a><\/li>\n<li><a href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-profile\/\"><font size=\"4\">SMT\u56de\u6d41\u710a\u7684\u6eab\u5ea6\u66f2\u7dda(Reflow Profile)\u89e3\u8aaa\u8207\u6ce8\u610f\u4e8b\u9805<\/font><\/a><\/li>\n<li><a href=\"\/\/m.letratesoro.com\/2013\/04\/solder-paste\/\"><font size=\"4\">\u6df1\u5165\u4e86\u89e3\u932b\u818f(solder paste)\u53ca\u52a9\u710a\u5291(flux)\u7d44\u6210\u5c0d\u96fb\u5b50\u7d44\u88dd\u7684\u54c1\u8cea\u5f71\u97ff<\/font><\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5de5\u4f5c\u718a\u5728\u524d\u9762\u7bc7\u5e45\u4e2d\u66fe\u7d93\u6709\u4ecb\u7d39\u904e\u65e9\u671fPCBA\u710a\u63a5\u8d70 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,4],"tags":[130],"aioseo_notices":[],"views":58686,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/2531"}],"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=2531"}],"version-history":[{"count":2,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/2531\/revisions"}],"predecessor-version":[{"id":11253,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/2531\/revisions\/11253"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=2531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=2531"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=2531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}