{"id":303,"date":"2010-08-22T11:03:39","date_gmt":"2010-08-22T03:03:39","guid":{"rendered":"\/\/m.letratesoro.com\/2010\/08\/ipc-jedec-j-std-20-msl-classifications\/"},"modified":"2019-09-14T22:31:11","modified_gmt":"2019-09-14T14:31:11","slug":"ipc-jedec-j-std-20-msl-classifications","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2010\/08\/ipc-jedec-j-std-20-msl-classifications\/","title":{"rendered":"J-STD-020, Moisture Sensitivity Levels(MSL)\u6fd5\u5ea6\u654f\u611f\u7b49\u7d1a\u5206\u985e\u89e3\u8aaa"},"content":{"rendered":"<link rel=\"image_src\" type=\"image\/jpeg\" href=\"\/wp-content\/uploads\/electronics-3587_580.jpg\" \/>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"J-STD-020, Moisture Sensitivity Levels(MSL)\u6fd5\u5ea6\u654f\u611f\u7b49\u7d1a\u5206\u985e\u89e3\u8aaa\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"J-STD-020, Moisture Sensitivity Levels(MSL)\u6fd5\u5ea6\u654f\u611f\u7b49\u7d1a\u5206\u985e\u89e3\u8aaa\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/electronics-3587_580.jpg\" width=\"580\" height=\"360\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u77ed\u5c0f\u8f15\u8584\u662f\u73fe\u4ee3\u79d1\u6280\u7684\u8da8\u52e2\uff0c\u9023\u5e36\u8457\u96fb\u5b50\u96f6\u7d44\u4ef6\u4e5f\u5f97\u8d8a\u505a\u8d8a\u5c0f\uff0c\u53ef\u662f\u8d8a\u5c0f\u7684\u96f6\u4ef6\uff0c\u5176\u6297\u6fd5\u80fd\u529b\u5c31\u8d8a\u5dee\uff0c\u4e5f\u8d8a\u96e3\u627f\u53d7 SMT reflow \u9ad8\u6eab\u7684\u6d17\u79ae\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u518d\u8005\uff0cIC\u96f6\u4ef6\u7684\u5c01\u88dd\u65b9\u5f0f\u4e5f\u8d8a\u4f86\u8d8a\u591a\u6a23\u5316\uff0c\u53ea\u662f\u4e0d\u540c\u7684\u5c01\u88dd\u88fd\u7a0b\u53ca\u6750\u6599\u5c31\u4ee3\u8868\u8457\u6703\u6709\u4e0d\u540c\u6297\u6fd5\u5ea6\u5165\u4fb5\u7684\u80fd\u529b\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e00\u822c\u4f86\u8aaa\uff0c\u65e9\u671f\u7684\u50b3\u7d71\u63d2\u4ef6\u96f6\u4ef6(DIP)\uff0c\u56e0\u70ba\u96f6\u4ef6\u8f03\u5927\u3001\u7d50\u69cb\u4e5f\u5920\u5805\u56fa\uff0c\u6240\u4ee5\u5176\u6297\u6fd5\u5ea6\u3001\u9632\u81a8\u8139\u80fd\u529b\u4e5f\u6bd4\u8f03\u597d\u3002<\/font><\/p>\n<p><!--more--><\/p>\n<p><font size=\"4\">\u60f3\u60f3\u770b\u70ba\u4f55<a href=\"\/\/m.letratesoro.com\/2013\/10\/smt-surface-mount-technology\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u8868\u9762\u9ecf\u8457(SMT)\u88fd\u7a0b<\/a>\u7684\u96f6\u4ef6\u6bd4\u50b3\u7d71\u63d2\u4ef6(DIP)\u5c0d\u6fd5\u6c23\u5f71\u97ff\u4f86\u5f97\u654f\u611f\uff1f\u5176\u539f\u56e0\u5927\u6982\u53ef\u4ee5\u6b78\u7d0d\u5982\u4e0b\uff1a<\/font><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\">SMD\u88fd\u7a0b\u7684\u96f6\u4ef6\u901a\u5e38\u6bd4\u8f03\u8584\uff0c\u6240\u4ee5\u6bd4\u8f03\u4e0d\u8010\u71b1\u885d\u64ca\uff0c\u4e14\u5bb9\u6613\u56e0\u70ba\u61c9\u529b\u800c\u9020\u6210\u5f4e\u6298\u3002<\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\">SMD\u88fd\u7a0b\u7684\u96f6\u4ef6\u6bd4\u50b3\u7d71\u63d2\u4ef6\u66f4\u4e0d\u8010\u6fd5\u6c23\u5f71\u97ff\uff0c\u56e0\u70ba\u5c01\u88dd\u7684\u6750\u6599\u8b8a\u5c11\u4e86\uff0c\u6240\u4ee5\u53ea\u8981\u4e00\u9ede\u9ede\u7684\u6fd5\u6c23\u9032\u5165\uff0c\u7d93\u904e\u9ad8\u6eab\u4e4b\u5f8c\u5c31\u6703\u56e0\u70ba\u6fd5\u6c23\u6025\u901f\u81a8\u8139\u800c\u5f15\u8d77\u5206\u5c64(de-lamination)\u554f\u984c\u3002<\/font><\/div>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" style=\"margin: 0px 20px 0px 0px; float: left; display: inline;\" alt=\"\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/IC01.gif\" align=\"left\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u5982\u679c\u906d\u5230\u4e86\u6fd5\u6c23\u5165\u4fb5\u96f6\u4ef6\u5167\u90e8\uff0c\u5176\u6700\u5e38\u898b\u5230\u7684\u554f\u984c\uff0c\u662f\u5728\u6d41\u7d93\u300c<a href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-profile\/\" target=\"_blank\" rel=\"noopener noreferrer\">Reflow(\u56de\u6d41\u710a)<\/a>\u300d\u6642\u6c34\u6c23\u6703\u56e0\u70ba\u6eab\u5ea6\u7684\u5feb\u901f\u4e0a\u5347\u8b8a\u6210\u6c34\u84b8\u6c23\u800c\u6025\u901f\u81a8\u8139\uff0c\u9032\u800c\u7531\u96f6\u4ef6\u8f03\u8106\u5f31(weak)\u7684\u5730\u65b9\u6490\u958b\uff0c\u4e26\u9020\u6210\u96f6\u4ef6\u5206\u5c64\u525d\u96e2(delamination)\u7684\u7f3a\u9ede\uff0c\u6709\u6642\u5019\u96f6\u4ef6\u96d6\u7136\u53ea\u6709\u6bdb\u9aee\u822c\u7684\u88c2\u7e2b(micro crack)\uff0c\u4f46\u96a8\u8457\u6642\u9593\u7684\u6d41\u901d\uff0c\u88c2\u7e2b\u6703\u8d8a\u88c2\u8d8a\u5927\uff0c\u5230\u6700\u5f8c\u5f62\u6210\u96fb\u8def\u4e0d\u826f\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u70ba\u4e86\u56e0\u61c9SMD\u88fd\u7a0b\u96f6\u4ef6\u8d8a\u4f86\u8d8a\u666e\u904d\u7684\u8da8\u52e2\uff0cIPC\/JEDEC\u5b9a\u7fa9\u4e86\u4e00\u5957\u6a19\u6e96\u7684\u300e\u6fd5\u5ea6\u654f\u611f\u7b49\u7d1a\u300f\u6a19\u6e96\u5982\u4e0b\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u4e5f\u53ef\u4ee5\u5230 Google \u627e\u3010<strong><font color=\"#0000ff\">J-STD-020<\/font><\/strong>\u3011\u3002\u4e0d\u904e<strong>\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u4efd\u6a19\u6e96\u4e3b\u8981\u5728\u5e6b\u52a9 <font color=\"#0000ff\" size=\"5\">IC\u88fd\u9020\u5ee0<\/font> \u7528\u4ee5\u78ba\u8a8d\u4e26\u5b9a\u7fa9\u5176\u6240\u751f\u7522\u4e4b\u5143\u5668\u4ef6\u5230\u5e95\u7b26\u5408\u54ea\u7a2e\u6f6e\u6fd5\u654f\u611f\u7b49\u7d1a\uff08Moisture Sensitive Level, MSL\uff09\u3002<\/strong>\u5982\u679c\u662f\u4e00\u822cEMS\u5de5\u5ee0\u7684SMT\u7dda\u5efa\u8b70\u53c3\u8003<a href=\"\/\/m.letratesoro.com\/2010\/08\/ipc-jedec-j-std-033-msl-bake-condition\/\" rel=\"noopener noreferrer\" target=\"_blank\">J-STD-033<\/a>\u4ee5\u5f97\u5230\u300c\u6fd5\u654f\u7b49\u7d1a\u300d\u6703\u6709\u6bd4\u8f03\u6070\u7576\u7684\u8aaa\u660e\u8207\u4e86\u89e3\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e0b\u5217\u9019\u4efd\u8868\u683c\u7684\u3010<strong><font color=\"#0000ff\">Level<\/font><\/strong>\u3011\u8868\u793a\u6fd5\u654f\u7b49\u7d1a\uff0c\u7b49\u7d1a\u5f9e1\uff5e6\uff0c\u539f\u5247\u4e0a\u3010\u7b49\u7d1a1\uff08MSL 1\uff09\u3011\u8868\u793a\u96f6\u4ef6\u5c0d\u6fd5\u5ea6\u7684\u8981\u6c42\u6700\u4f4e\uff0c\u4e5f\u5c31\u662f\u8d8a\u4e0d\u5bb9\u6613\u53d7\u5230\u6fd5\u5ea6\u7684\u5f71\u97ff\u3002\u800c\u6ebc\u654f\u7b49\u7d1a\u7684\u6578\u5b57\u8d8a\u5927\uff0c\u901a\u5e38\u610f\u8b02\u8457\u96f6\u4ef6\u5c0d\u6fd5\u5ea6\u8d8a\u654f\u611f\uff0c\u4e5f\u5c31\u662f\u8aaa\u53ea\u8981\u96f6\u4ef6\u66b4\u9732\u5728\u6709\u6fd5\u5ea6\u7684\u5927\u6c23\u74b0\u5883\u4e2d\u518d\u6d41\u7d93\u56de\u710a\u7210\u9ad8\u6eab\u5c31\u53ef\u80fd\u56e0\u70ba\u6fd5\u6c23\u5165\u4fb5\u800c\u9020\u6210\u640d\u5bb3\u554f\u984c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u8868\u683c\u4e2d\u7684\u3010<strong><font color=\"#0000ff\">Floor Life\uff08\u8eca\u9593\u6642\u9593\uff09<\/font><\/strong>\u3011\u8868\u793a\u5404\u7b49\u7d1a\u7684\u96f6\u4ef6\u53ef\u4ee5\u66b4\u9732\u65bc\u300c30\u00b0C \/ 60% RH\u300d\u4ee5\u4e0b\u7684\u74b0\u5883\u6642\u6240\u80fd\u653e\u7f6e\u7684\u6700\u9577\u6642\u9593\uff0c\u4e5f\u5c31\u662f\u96f6\u4ef6\u62c6\u5c01\u5f8c\u53ef\u4ee5\u505c\u7559\u65bc\u6709\u6eab\u6fd5\u5ea6\u63a7\u5236\u8eca\u9593\u5167\u7684\u4f7f\u7528\u671f\u9650\uff0c\u53ef\u4ee5\u770b\u5230\u5141\u8a31\u66b4\u9732\u5927\u6c23\u6642\u9593\u96a8\u8457\u6fd5\u654f\u7b49\u7d1a\u6578\u5b57\u4e0a\u5347\u800c\u4e00\u8def\u5f80\u4e0b\u964d\uff0c\u56e0\u70ba\u5c0d\u6fd5\u5ea6\u8d8a\u654f\u611f\u7684\u96f6\u4ef6\u53ef\u4ee5\u66b4\u9732\u65bc\u5927\u6c23\u74b0\u5883\u4e2d\u7684\u6642\u9593\u4e5f\u5c31\u8d8a\u77ed\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u8868\u683c\u4e2d\u7684\u3010<strong><font color=\"#0000ff\">Soak Requirement\uff08\u66b4\u9732\u6fd5\u5ea6\u74b0\u5883\u53ca\u6642\u9593\u8981\u6c42\uff09<\/font><\/strong>\u3011\u7b97\u662f\u672c\u6587\u7684\u91cd\u982d\u6232\uff0c\u898f\u7bc4\u96f6\u4ef6\u5ee0\u5546\u6e2c\u8a66\u5176\u7522\u54c1\u80fd\u5920\u7b26\u5408\u4f55\u7a2e\u300c\u6fd5\u654f\u7b49\u7d1a(MSL)\u300d\u7684\u9810\u5148\u66b4\u9732\u74b0\u5883\u8207\u6642\u9593\u689d\u4ef6\u3002\u4e5f\u5c31\u662f\u5f85\u6e2c\u8a66\u7684\u6a23\u54c1\u5fc5\u9808\u5148\u7f6e\u653e\u65bc\u8868\u683c\u4e2d\u6240\u898f\u5b9a\u7684\u6eab\u5ea6\/\u6fd5\u5ea6\u8207\u4e00\u5b9a\u6642\u9593\u5f8c\u624d\u80fd\u62ff\u53bb\u904e\u56de\u710a\u7210(Reflow oven)\uff0c\u56de\u710a\u7210\u7684\u6eab\u5ea6\u4e5f\u6709\u898f\u5b9a\uff0c\u8acb\u81ea\u884c\u53c3\u8003IPC\/JEDEC J-STD-020\u898f\u7bc4\uff0c\u4e4b\u5f8c\u9084\u8981\u7d93\u904e40\u500d\u653e\u5927\u93e1\u8207\u8d85\u8072\u6ce2\u6383\u63cf\u5100\uff08SAM, scanning acoustic microscope\uff09\u6aa2\u67e5\u6709\u7121\u4e0d\u6b63\u5e38\u7684\u88c2\u7e2b(crack)\u767c\u751f\uff0c\u9084\u8981\u518d\u7d93\u904e\u96fb\u6e2c\u4ee5\u78ba\u4fdd\u6240\u6709\u7684\u6a23\u54c1\u6c92\u6709\u529f\u80fd\u4e0a\u7684\u554f\u984c\u624d\u7b97pass\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u898f\u683c\u5f37\u70c8\u5efa\u8b70\u6e2c\u8a66\u96f6\u4ef6\u7684\u6fd5\u654f\u7b49\u7d1a\u6642\u6700\u597d\u5f9e\u6700\u4f4e\u7684\u6fd5\u654f\u7b49\u7d1a\u958b\u59cb\u6e2c\u8a66\uff0c\u6216\u4f9d\u7167\u904e\u5f80\u7684\u7d93\u9a57\u5224\u65b7\u53ef\u80fd\u9054\u5230\u7684\u7b49\u7d1a\u958b\u59cb\u6e2c\u8a66\uff0c\u7136\u5f8c\u518d\u4f9d\u5e8f\u63d0\u9ad8\u6a19\u6e96\u5f80\u4e0a\u6e2c\u8a66\uff0c\u6700\u7d42\u78ba\u8a8d\u53ef\u4ee5\u901a\u904e\u7684\u6fd5\u654f\u7b49\u7d1a\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6e2c\u8a66\u7684\u66b4\u9732\u6642\u9593\u88e1\u6709\u5206Standard(\u6a19\u6e96)\u53caAccelerated(\u52a0\u901f)\u5169\u7a2e\u898f\u683c\uff0c\u898f\u683c\u8981\u6c42\u9664\u975e\u5148\u524d\u901a\u904eStandard\u66b4\u9732\u689d\u4ef6\u5f8c\u767c\u73fe\u6709\u7570\u5e38\u6216\u5df2\u77e5[\u64f4\u6563\u555f\u52d5\u80fd\u91cf(Activation energy for Diffusion)]\u662f 0.4-0.48eV\uff08\u4e0d\u8981\u554f\u5de5\u4f5c\u718a\u4ec0\u9ebc\u662f\u300c\u64f4\u6563\u555f\u52d5\u80fd\u91cf\u300d\uff1f\u5de5\u4f5c\u718a\u4e5f\u4e0d\u77e5\u9053\u554a\uff01\uff09\uff0c\u624d\u53ef\u4ee5\u4f7f\u7528\u300c\u52a0\u901f\u76f8\u7576(Accelerated Equivalent)\u300d\u689d\u4ef6\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\"><\/font><\/p>\n<p style=\"margin: 0px 3px 5px; line-height: 100%;\" align=\"left\"><strong><span style=\"color: rgb(0, 0, 128); font-size: 11pt;\"><font color=\"#0000ff\" size=\"4\">Table 1. IPC\/JEDEC J-STD-20C MSL Classifications<\/font><\/span><\/strong><\/p>\n<table id=\"AutoNumber1\" style=\"height: 230px; margin-left: 3px; border-collapse: collapse;\" bordercolor=\"#aaaaff\" cellspacing=\"0\" cellpadding=\"0\" width=\"501\" bgcolor=\"#edf2e6\" border=\"1\">\n<tbody>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"15\" width=\"64\" align=\"center\">&#160;<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"15\" width=\"128\" colspan=\"2\" align=\"center\">&#160;<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"15\" width=\"256\" colspan=\"4\" align=\"center\">\n<p style=\"margin: 0px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 11pt;\">Soak Requirements                <br \/> (\u6fd5\u5ea6\u74b0\u5883\u8981\u6c42)<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" width=\"64\" align=\"center\">&#160;<\/td>\n<td bgcolor=\"#f7f7f7\" width=\"128\" colspan=\"2\" align=\"center\">\n<p style=\"margin-right: 3px; margin-left: 3px;\"><strong><span style=\"color: rgb(128, 0, 128); font-size: 10pt;\">Floor Life                <br \/> (\u8eca\u9593\u6642\u9593)<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f7f7f7\" width=\"128\" colspan=\"2\" align=\"center\">\n<p style=\"margin-right: 3px; margin-left: 3px;\"><strong><span style=\"color: rgb(128, 0, 128); font-size: 10pt;\">Standard                <br \/> (\u6a19\u6e96)<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"19\" width=\"128\" colspan=\"2\" align=\"center\">\n<p style=\"margin-right: 3px; margin-left: 3px;\"><strong><span style=\"color: rgb(128, 0, 128); font-size: 10pt;\">Accelerated Equivalent                <br \/> (\u52a0\u901f)<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"28\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">Level<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"28\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">Time<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"28\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">Cond              <br \/><\/span>\u00b0<span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">C\uff0f%RH<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"28\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">Time (hrs)<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"28\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">Cond              <br \/><\/span>\u00b0<span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">C\uff0f%RH<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"28\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">Time (hrs)<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f7f7f7\" height=\"28\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">Cond              <br \/><\/span>\u00b0<span style=\"color: rgb(0, 78, 155); font-size: 8pt;\">C\uff0f%RH<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">1<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">unlimited<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">\u226630\/85%<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">168<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+5\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">85\/85<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">n\/a<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">n\/a<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">2<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">1 year<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">\u226630\/60%<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">168<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+5\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">85\/60<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">n\/a<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">n\/a<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">2a<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">4 weeks<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">\u226630\/60%<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">696<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+5\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">30\/60<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">120<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+1\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">60\/60<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">3<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">168 hours<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">\u226630\/60%<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">192<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+5\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">30\/60<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">40<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+1\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">60\/60<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"21\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">4<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"21\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">72 hours<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"21\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">\u226630\/60%<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"21\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">96<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+2\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"21\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">30\/60<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"21\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">20<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+0.5\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"21\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">60\/60<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">5<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">48 hours<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">\u226630\/60%<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">72<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+2\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">30\/60<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">15<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+0.5\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">60\/60<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">5a<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">24 hours<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">\u226630\/60%<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">48<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+2\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">30\/60<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"19\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">10<\/span><span style=\"color: rgb(0, 0, 128); font-size: 8pt;\">+0.5\/-0<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"15\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">60\/60<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#f7f7f7\" height=\"15\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><strong><span style=\"color: rgb(183, 19, 97); font-size: 12pt;\">6<\/span><\/strong><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"15\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">TOL<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"15\" width=\"71\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">\u226630\/60%<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"15\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">TOL<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"15\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">30\/60<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"15\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">n\/a<\/span><\/p>\n<\/td>\n<td bgcolor=\"#f3f9fe\" height=\"15\" width=\"64\" align=\"center\">\n<p style=\"margin: 2px 3px;\"><span style=\"color: rgb(0, 0, 128); font-size: 10pt;\">60\/60<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"MsoNormal\" style=\"margin: 0px 3px; line-height: 100%; word-spacing: 0px;\">\n<p class=\"MsoNormal\" style=\"margin: 0px 3px; line-height: 100%; word-spacing: 0px;\"><span style=\"color: rgb(0, 0, 185); font-size: 9pt;\"><font size=\"2\">1) TOL means &#8216;Time on Label&#8217;, or the time indicated on the label of the packing.<\/font><\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin: 0px 3px; line-height: 100%; word-spacing: 0px;\"><span style=\"color: rgb(0, 0, 185);\"><span style=\"font-size: 9pt;\"><font size=\"2\"><\/font><\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin: 0px 3px; line-height: 100%; word-spacing: 0px;\" align=\"justify\"><span style=\"color: rgb(0, 0, 185); font-size: 9pt;\"><font size=\"2\">2) The standard soak time is the sum of the default value of 24H for the semiconductor manufacturer&#8217;s exposure time (MET) between bake and bag and the floor life or maximum time allowed out of the bag at the end user or distributor&#8217;s facility.&#160; For example, an MSL 3 package will require a standard soak time of 192 hours, which is 168 hours of floor life plus 24 hours between bake and bag at the semiconductor manufacturer.<\/font><\/span><\/p>\n<p><font size=\"4\">TOL\uff1aTime On Label\uff0c\u53c3\u8003\u96f6\u4ef6\u5305\u88dd\u6a19\u7c64\u4e0a\u7684\u6307\u793a\u6642\u9593\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4ee5\u6fd5\u654f\u7b49\u7d1a3 (MSL level 3)\u4f86\u8209\u4f8b\u8aaa\u660e\uff0c\u5f9e[Floor Life]\u770b\uff0c\u5982\u679c\u96f6\u4ef6\u62c6\u5c01\u5f8c\u66b4\u9732\u65bc\u651d\u6c0f\u6eab\u5ea630\u00b0C\u820760\uff05\u6fd5\u5ea6\u4ee5\u5167\u7684\u74b0\u5883\u4e0b\uff0c\u90a3\u9ebc\u5176\u65bc\u8eca\u9593\u7684\u7e3d\u66b4\u9732\u6642\u9593\u5c31\u5fc5\u9808\u5728168\u5c0f\u6642\u5167\u6253\u4ef6\u4e26\u904e\u5b8c\u56de\u6d41\u710a(Reflow)\uff0c\u5982\u679c\u4e0d\u80fd\u5728\u898f\u5b9a\u6642\u9593\u5167\u904e\u5b8cReflow\uff0c\u5c31\u5fc5\u9808\u91cd\u65b0\u771f\u7a7a\u5305\u88dd\uff0c\u4e0d\u904e\u6700\u597d\u662f\u91cd\u65b0\u70d8\u70e4\u5f8c\u518d\u91cd\u65b0\u5305\u88dd\uff0c\u56e0\u70ba\u91cd\u65b0\u70d8\u70e4\u5f8c\u7684\u6642\u9593\u5c31\u53ef\u4ee5\u6b78\u96f6\u91cd\u7b97\u3002\u5982\u679c\u8d85\u904e\u898f\u5b9a\u6642\u9593\uff0c\u5247\u4e00\u5b9a\u8981\u91cd\u65b0\u70d8\u70e4\u5f8c\u624d\u80fd\u4f7f\u7528\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u518d\u770b[Soak Requirements]\uff0c\u5f85\u6e2c\u8a66\u7684\u96f6\u4ef6\u6a23\u54c1\u5fc5\u9808\u5148\u7d93\u904e\u70d8\u70e4\u78ba\u5b9a\u6c92\u6709\u6fd5\u6c23\u5f8c\uff0c\u653e\u7f6e\u65bc\u651d\u6c0f\u6eab\u5ea630\u00b0C\u820760\uff05\u6fd5\u5ea6\u7684\u6a19\u6e96\u4e0b\uff0c\u5176\u7e3d\u66b4\u9732\u6642\u9593\u70ba192\u5c0f\u6642\u3002\u4e0d\u904e\u9019\u500b192\u5c0f\u6642\u5176\u5be6\u5305\u542b\u4e86IC\u96f6\u4ef6\u534a\u5c0e\u9ad4\u5ee0\u5546\u5f9e\u96f6\u4ef6\u5b8c\u6210\u70d8\u70e4\u5f8c\u5230\u5305\u88dd\u524d\u53ef\u80fd\u7528\u638924\u5c0f\u6642\u7684\u8eca\u9593\u66dd\u9732\u6642\u9593\uff0c\u4e00\u822c\u7a31\u9019\u6bb5\u6642\u9593\u70baMET (Manufacturer&#8217;s Exposure Time)\uff0c\u6240\u4ee5\u7d66SMT\u8868\u9762\u8cbc\u8457\u5ee0\u5c31\u53ea\u5269\u4e0b168\u5c0f\u6642(=192-24)\u7684\u8eca\u9593\u6642\u9593\uff08Floor Life\uff09\u4e86\u3002\u76f8\u4fe1\u5f88\u591a\u4eba\u770b\u4e0d\u61c2\uff1f\u6c92\u95dc\u4fc2\uff0c\u53cd\u6b63\u4e00\u822c\u4eba\u53ea\u8981\u77e5\u9053\u4ec0\u9ebc\u6a23\u7684MSL\u62c6\u5c01\u5f8c\u53ef\u4ee5\u653e\u7f6e\u65bc\u8eca\u9593\u591a\u4e45\u6642\u9593\u5c31\u53ef\u4ee5\u4e86\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u662f\u96f6\u4ef6\u5546\uff0c\u5c31\u8981\u6ce8\u610f\u9019192\u5c0f\u6642\u7684\u8a08\u7b97\uff0c\u525b\u525b\u8aaa192\u5c0f\u6642\u5176\u5be6\u8981\u5305\u542bIC\u96f6\u4ef6\u534a\u5c0e\u9ad4\u5ee0\u5546\u5f9e\u96f6\u4ef6\u5b8c\u6210\u70d8\u70e4\u5f8c\u5230\u5305\u88dd\u524d\u53ef\u80fd\u7528\u638924\u5c0f\u6642\u7684MET\uff0c\u90a3\u5982\u679c\u96f6\u4ef6\u5546\u7684MET\u5c0f\u65bc\u6216\u5927\u65bc24\u5c0f\u6642\u5462\uff1f\u662f\u7684\uff0c\u5982\u679c\u6709\u9019\u6a23\u7684\u60c5\u6cc1\u6642\u898f\u683c\u4e2d\u6709\u8aaa\u660e\u6e2c\u8a66\u6a23\u54c1\u7684\u6642\u5019\u5fc5\u9808\u8981\u6263\u9664\u6216\u589e\u52a0\u6a23\u54c1\u66b4\u9732\u65bc\u74b0\u5883\u7684\u6642\u9593\uff0c\u6bd4\u5982\u8aaa\u96f6\u4ef6\u5546\u7684MET\u53ea\u7528\u4e8620\u500b\u5c0f\u6642\uff0c\u90a3\u9ebc\u6a23\u672c\u7684\u7e3d\u66b4\u9732\u6642\u9593\u5c31\u6703\u8b8a\u6210188\u5c0f\u6642\uff08=192-(24-20)=188\uff09\uff0c\u539f\u5247\u4e0a\u5c31\u662f\u7dad\u6301168\u5c0f\u6642(Floor Life)+MET\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u81f3\u65bc[MSL 1]\u53ca[MSL 2]\u56e0\u70ba\u6e2c\u8a66\u7684\u6a23\u54c1\u63a1\u7528\u6bd4\u4e00\u822c\u8eca\u9593\u74b0\u5883\u9084\u8981\u9ad8\u7684\u6eab\u6fd5\u5ea6\u689d\u4ef6\uff0c\u6240\u4ee5\u7121\u6cd5\u76f4\u63a5\u5c0d\u6bd4\u66b4\u9732\u65bc\u8eca\u9593\u7684\u6642\u9593 (Floor Life)\uff0c\u9019\u90e8\u4efd\u53ef\u80fd\u4f7f\u7528\u6fd5\u5ea6\u9020\u6210\u96f6\u4ef6\u91cd\u91cf\u7684\u589e\u6e1b\u4f86\u5224\u65b7\uff0c\u4e0d\u5728\u9019\u88e1\u4ecb\u7d39\uff0c\u5176\u5be6\u5de5\u4f5c\u718a\u4e5f\u9084\u6c92\u5b78\u900f\u5566\uff01<\/font><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>     <br \/><a href=\"\/\/m.letratesoro.com\/2010\/08\/msl-moisture-sensitivity-level-question-list\/\"><font size=\"4\">\u95dc\u65bcMSL\u5e38\u898b\u7684\u554f\u984c<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2012\/01\/msl-qa\/\"><font size=\"4\">\u5c01\u88dd\u6fd5\u654f\u96f6\u4ef6\u70d8\u70e4\u5e38\u898b\u554f\u984c\u6574\u7406<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2010\/08\/ipc-jedec-j-std-033-msl-bake-condition\/\"><font size=\"4\">IPC-JEDEC-J-STD-033 \u6fd5\u654f\u96f6\u4ef6\u7684\u70d8\u70e4\u689d\u4ef6<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2011\/12\/j-std-033b-ch4-dry\/\"><font size=\"4\">JEDEC J-STD-033B\u7b2c\u56db\u7ae0\u7bc0-\u4e7e\u71e5(\u4e2d\u6587\u7ffb\u8b6f)<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u77ed\u5c0f\u8f15\u8584\u662f\u73fe\u4ee3\u79d1\u6280\u7684\u8da8\u52e2\uff0c\u9023\u5e36\u8457\u96fb\u5b50\u96f6\u7d44\u4ef6\u4e5f\u5f97\u8d8a &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117,16,22,3],"tags":[54],"aioseo_notices":[],"views":190054,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/303"}],"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=303"}],"version-history":[{"count":0,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/303\/revisions"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=303"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}