{"id":1571,"date":"2011-12-26T08:57:00","date_gmt":"2011-12-26T00:57:00","guid":{"rendered":"\/\/m.letratesoro.com\/2011\/12\/j-std-033b%e7%83%98%e7%83%a4%e6%a2%9d%e4%bb%b6\/"},"modified":"2017-08-29T20:36:53","modified_gmt":"2017-08-29T12:36:53","slug":"j-std-033b-ch4-dry","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2011\/12\/j-std-033b-ch4-dry\/","title":{"rendered":"JEDEC J-STD-033B\u7b2c\u56db\u7ae0\u7bc0-\u4e7e\u71e5(\u4e2d\u6587\u7ffb\u8b6f)"},"content":{"rendered":"

\u524d\u4e00\u9663\u5b50\u5de5\u4f5c\u718a\u7d93\u5e38\u88ab\u7db2\u53cb\u554f\u5230\u4e00\u4e9b\u95dc\u65bc\u6fd5\u654f\u96f6\u4ef6(MSL)\u7684\u70d8\u70e4\u554f\u984c\uff0c\u525b\u597d\u6700\u8fd1\u6709\u6536\u5230\u4e00\u4efd\u8f03\u5b8c\u6574\u7684 IPC\/JEDEC J-STD-033B \u76842005\u5e74\u82f1\u6587\u7248\u6587\u4ef6\uff0c\u9019\u4efd\u6587\u4ef6\u7684\u82f1\u6587\u6a19\u984c\u662f Standard for Handling, Packing, Shipping and Use of Moisture\/Reflow Sensitive Surface Mount Devices\uff08\u6f6e\u6fd5\/\u56de\u710a\u654f\u611f\u6027\u8868\u9762\u8cbc\u8457\u5143\u4ef6\u7684\u8655\u7406\u3001\u5305\u88dd\u3001\u904b\u9001\u548c\u4f7f\u7528\u6a19\u6e96\uff09\uff0c\u8a72\u6587\u4ef6\u63d0\u4f9b\u6fd5\u654f\u5143\u4ef6\u7684\u8655\u7406\u3001\u5305\u88dd\u3001\u904b\u9001\u548c\u4f7f\u7528\u6a19\u6e96\uff0c\u4e5f\u63a8\u85a6\u4e86\u96f6\u4ef6\u53d7\u6f6e\u5f8c\u4e7e\u71e5\u70d8\u70e4\u7684\u65b9\u6cd5\u3002<\/font><\/p>\n

\u4e4b\u524d\u5de5\u4f5c\u718a\u4e5f\u6709\u5f9e\u7db2\u8def\u4e0a\u62ff\u5230\u9019\u4efd\u6587\u4ef6\uff0c\u4f46\u537b\u662f1999\u5e74\u7684\u7248\u672c\uff0c\u5de5\u4f5c\u718a\u767c\u73fe2005\u5e74\u7684\u7248\u672c\u5df2\u7d93\u6709\u4e86\u5927\u5e45\u5ea6\u66f4\u65b0MSL\u96f6\u4ef6\u7684\u4e00\u4e9b\u70d8\u70e4\u689d\u4ef6\uff0c\u800c\u4e14\u4e5f\u66f4\u6e05\u695a\u7684\u5b9a\u7fa9\u4e86\u91cd\u8907\u70d8\u70e4\u7684\u6642\u9593\u8207\u6eab\u5ea6\u8981\u6c42\uff0c\u9084\u7279\u5225\u8aaa\u660e\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u53ef\u4ee5\u4f7f\u7528\u300c\u4e7e\u71e5\u6ac3<\/font><\/strong>\u300d\u4f86\u91cd\u65b0\u8a2d\u5b9a\u6216\u66ab\u505c\u66b4\u9732\u8eca\u9593\u7684\u6642\u9593(floor life)\u3002<\/font><\/font> <\/p>\n

\n

\u76f8\u95dc\u95b1\u8b80\uff1a
<\/font>\u9632\u6f6e\u8207\u9664\u6fd5\u6709\u4f55\u4e0d\u540c\uff1f\u6bd4\u8f03\u9632\u6f6e\u7bb1\u8207\u9664\u6fd5\u6a5f\u7684\u6548\u679c<\/font><\/a>
<\/font>\u4f60\u77e5\u9053\u5982\u4f55\u6b63\u78ba\u4f7f\u7528\u3010\u96fb\u5b50\u9632\u6f6e\u4e7e\u71e5\u7bb1\u3011\u55ce\uff1f<\/font><\/a><\/p>\n<\/blockquote>\n

\u5de5\u4f5c\u718a\u7279\u5225\u628a\u5176\u4e2d\u6700\u91cd\u8981\u7684\u7b2c4\u7ae0\u7bc0\u7684DRYING(\u4e7e\u71e5)\u7ffb\u8b6f\u6210\u4e2d\u6587<\/span>\u5982\u4e0b\uff0c\u5982\u679c\u7ffb\u8b6f\u6709\u4e0d\u59a5\u7684\u5730\u65b9\u6216\u8b2c\u8aa4\u4e5f\u8acb\u901a\u77e5\u6539\u6b63\u3002\u76f8\u4fe1\u9019\u4e00\u6bb5\u6587\u5b57\u53ef\u4ee5\u6f84\u6e05\u5f88\u591a\u4e4b\u524d\u6709\u554f\u904e\u6fd5\u654f\u96f6\u4ef6\u70d8\u70e4\u7684\u554f\u984c\u3002<\/font><\/p>\n

<\/p>\n

4. \u4e7e\u71e5<\/font><\/b><\/font> <\/p>\n

\u4e0b\u9762\u5169\u500b\u8868\u683c\u662f\u91dd\u5c0d\u5404\u985e\u6fd5\u654f\u7b49\u7d1a\u4ee5\u53ca\u66b4\u9732\u65bc\u5927\u6c23\u6fd5\u5ea6\u226660% RH \u60c5\u6cc1\u4e0b\u6240\u7d66\u4e88\u7684\u70d8\u70e4\u9078\u9805\uff0c\u7d93\u7531\u70d8\u70e4\u6240\u5141\u8a31\u7684\u9078\u9805\u53ef\u4ee5\u91cd\u65b0\u8a08\u7b97\u8eca\u9593\u58fd\u547d(floor life)\u7684\u6642\u9593\u3002\u5982\u679c\u7d93\u904e\u70d8\u70e4\u4e26\u5bc6\u5c01\u5728\u6709\u65b0\u4e7e\u71e5\u5291\u7684\u9632\u6f6e\u888b(MBB)\u5167\uff0c\u4fdd\u5b58\u671f\u9650(self life)\u5c31\u53ef\u4ee5\u91cd\u65b0\u8a08\u7b97\u3002\u8868\u683c4-1\u30014-2\u53ca4-3\u5217\u51fa\u4e86SMD\u5c01\u88dd\u5143\u4ef6\u7684\u70d8\u70e4\u53c3\u8003\u689d\u4ef6\u3002\u8868\u683c4-1\u5217\u51fa\u5728\u4f7f\u7528\u8005\u7aef\u7684SMD\u5c01\u88dd\u5143\u4ef6\u8d85\u51fa\u8eca\u9593\u58fd\u547d\u6216\u767c\u751f\u5176\u4ed6\u8d85\u51fa\u6fd5\u6c23\u66b4\u9732\u6642\u9593\u60c5\u6cc1\u4e0b\u91cd\u65b0\u70d8\u70e4\u7684\u689d\u4ef6\u3002\u8868\u683c4-2\u5217\u51fa\u4f9b\u61c9\u5546\u6216\u6279\u767c\u5546\u5728\u4e7e\u71e5\u5305\u88dd\u4ee5\u524d\u7684\u70d8\u70e4\u689d\u4ef6\uff0c\u4ee5\u53ca\u6240\u5141\u8a31\u7684\u6700\u5927\u88fd\u9020\u5ee0\u66b4\u9732\u6642\u9593(MET)\u3002\u8868\u683c4-3\u6839\u64da4.1\u689d\u6b3e\u6b78\u7d0d\u5728\u4f7f\u7528\u8005\u7aef\u91cd\u8a08\u6216\u66ab\u505c\u8eca\u9593\u58fd\u547d\u8a08\u6642\u7684\u689d\u4ef6 \u3002<\/font> <\/p>\n

4.1 \u66dd\u9732\u65bc\u5de5\u5ee0\u74b0\u5883\u5f8c<\/b> \u5143\u4ef6\u66dd\u9732\u5728\u5de5\u5ee0\u74b0\u5883\u4e2d\u8d85\u904e1\u5c0f\u6642\uff0c\u518d\u6536\u5230\u4e7e\u71e5\u5305\u88dd\u6216\u4e7e\u71e5\u7bb1\u4e2d\u4e0d\u4e00\u5b9a\u53ef\u4ee5\u66ab\u505c\u6216\u91cd\u8a08\u8eca\u9593\u58fd\u547d\uff0c\u4f46\u82e5\u689d\u4ef6\u7b26\u54084.1.2\uff0c\u5247\u8eca\u9593\u58fd\u547d\u7684\u8a08\u6642\u53ef\u4ee5\u66ab\u505c\u6216\u91cd\u8a08\uff0c\u53c3\u8003\u8868\u683c4-3\u3002<\/font><\/p>\n

4.1.1 \u4efb\u610f\u6642\u9593\u6301\u7e8c\u66dd\u9732<\/b> SMD\u6fd5\u654f\u5143\u4ef6\u50c5\u66dd\u9732\u572860%RH\u4ee5\u4e0b\u7684\u5de5\u5ee0\u74b0\u5883\u4e2d\uff0c\u4e0d\u8ad6\u66b4\u9732\u6642\u9593\u7684\u9577\u77ed\uff0c\u90fd\u53ef\u4ee5\u7d93\u904e\u9069\u7576\u9ad8\u6eab\u6216\u4f4e\u6eab\u7684\u70d8\u70e4\uff0c\u4f9d\u64da\u8868\u683c4-1\u5c31\u53ef\u4ee5\u9032\u884c\u8ff4\u6d41\u710a\uff0c\u6216\u662f\u4f9d\u64da\u8868\u683c4-2\u5c31\u53ef\u4ee5\u91cd\u65b0\u4e7e\u71e5\u5305\u88dd\u3002<\/font><\/p>\n

4.1.2 \u77ed\u6642\u9593\u6301\u7e8c\u66dd\u9732<\/b> \u524d\u8ff0\u50c5\u66dd\u9732\u572830\u2103\/60%RH\u4ee5\u4e0b\u5de5\u5ee0\u74b0\u5883\u4e2d\u7684SMD\u5143\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e7e\u71e5\u5305\u88dd\u6216\u4e7e\u71e5\u7bb1\u7d93\u7531\u5ba4\u6eab\u4f86\u4e7e\u71e5\u5373\u53ef\u3002\u5982\u679c\u6709\u4f7f\u7528\u4e7e\u71e5\u5305\u88dd\uff0c\u800c\u4e14\u7e3d\u66b4\u9732\u6642\u9593\u4e0d\u8d85\u904e30\u5206\u9418\uff0c\u5247\u539f\u4f86\u7684\u4e7e\u71e5\u5291\u53ef\u4ee5\u91cd\u65b0\u4f7f\u7528\u3002<\/font><\/p>\n

4.1.2.1 \u6fd5\u654f\u7b49\u7d1a 2-3<\/strong> \u6fd5\u654f\u7b49\u7d1a 2\u30012a\u30013 \u7684\u5143\u4ef6\u66b4\u9732\u8eca\u9593\u6642\u9593\u4e0d\u8d85\u904e12\u5c0f\u6642\uff0c\u53ea\u8981\u6839\u64da\u8868\u683c4-3\u7d93\u904e\u6700\u5c115\u500d\u65bc\u66b4\u9732\u5927\u6c23\u7684\u6642\u9593\u4e7e\u71e5\uff0c\u5c31\u8db3\u4ee5\u91cd\u8a2d\u8eca\u9593\u6642\u9593\u3002\u9019\u500b\u65b9\u6cd5\u53ef\u4ee5\u4f9d\u64da3.3\u6216\u662f\u653e\u7f6e\u572810%RH\u4ee5\u4e0b\u7684\u4e7e\u71e5\u6ac3\u5167\u4f86\u9054\u6210\u3002<\/font><\/p>\n

\u91dd\u5c0d\u6240\u6709\u66b4\u9732\u6c92\u6709\u8d85\u904e\u898f\u5b9a\u8eca\u9593\u6642\u9593\u7684\u5143\u4ef6\uff0c\u4f7f\u7528\u4e7e\u71e5\u5305\u88dd\u6216\u653e\u7f6e\u572810%RH\u4ee5\u4e0b\u7684\u4e7e\u71e5\u6ac3\u5167\uff0c\u53ea\u8981\u7b26\u5408\u8868\u683c5-1\u4ee5\u53ca\u8868\u683c 7-1\u7684\u689d\u4ef6\uff0c\u5c07\u53ef\u4ee5\u505c\u6b62\u6216\u66ab\u505c\u8eca\u9593\u6642\u9593\u7684\u7d2f\u8a08\u3002<\/font><\/p>\n

4.1.2.2 \u6fd5\u654f\u7b49\u7d1a 4,5,5a<\/strong> \u6fd5\u654f\u7b49\u7d1a 4\u30015\u30014a \u7684\u5143\u4ef6\u66b4\u9732\u8eca\u9593\u6642\u9593\u4e0d\u8d85\u904e8\u5c0f\u6642\uff0c\u53ea\u8981\u6839\u64da\u8868\u683c4-3\u7d93\u904e\u6700\u5c1110\u500d\u65bc\u66b4\u9732\u5927\u6c23\u7684\u6642\u9593\u4e7e\u71e5\uff0c\u5c31\u8db3\u4ee5\u91cd\u8a2d\u8eca\u9593\u6642\u9593\u3002\u9019\u500b\u65b9\u6cd5\u53ef\u4ee5\u4f9d\u64da3.3\u6216\u662f\u653e\u7f6e\u57285%RH\u4ee5\u4e0b\u7684\u4e7e\u71e5\u6ac3\u5167\u4f86\u9054\u6210\u3002<\/font><\/p>\n

\u4e00\u65e6\u8eca\u9593\u6642\u9593\u88ab\u91cd\u8a2d\uff0c\u5fc5\u9808\u53c3\u80035.3\u5b89\u5168\u5132\u5b58\u689d\u4ef6\u3002<\/font><\/p>\n

4.2 \u70d8\u70e4\u6642\u7684\u4e00\u822c\u8003\u616e<\/b> \u4f7f\u7528\u70e4\u7bb1\u9032\u884c\u70d8\u70e4\u6642\uff0c\u5fc5\u9808\u6709\u6392\u98a8\u53e3\uff0c\u800c\u4e14\u53ef\u4ee5\u7dad\u6301\u5728\u8981\u6c42\u7684\u6eab\u5ea6\u82075%RH\u4ee5\u4e0b\u7684\u6fd5\u5ea6\u3002<\/FONT< p> <\/font><\/p>\n

4.2.1 \u9ad8\u6eab\u5305\u88dd<\/b> <\/span> \u9664\u975eSMD\u96f6\u4ef6\u88fd\u9020\u5ee0\u6709\u7279\u5225\u8072\u660e\uff0c\u5426\u5247\u4e00\u5f8b\u4f7f\u7528\u53ef\u4ee5\u627f\u53d7125\u2103\u7684\u9ad8\u6eab\u5305\u88dd\u3002<\/font><\/p>\n

4.2.2 \u4f4e\u6eab\u5305\u88dd<\/b> \u4f7f\u7528\u4f4e\u6eab\u5305\u88dd\u7684SMD\u96f6\u4ef6\u7121\u6cd5\u70d8\u70e4\u8d85\u904e40\u2103\uff0c\u5982\u679c\u9700\u8981\u9ad8\u6eab\u70d8\u70e4\u6642\uff0c\u5fc5\u9808\u62ff\u6389\u5176\u4f4e\u6eab\u5305\u88dd\u4e26\u4f7f\u7528\u5b89\u5168\u7684\u9ad8\u6eab\u5bb9\u5668(carrier)\u624d\u53ef\u4ee5\u70d8\u70e4\uff0c\u70d8\u70e4\u5f8c\u518d\u5305\u88dd\u56de\u539f\u4f86\u7684\u4f4e\u6eab\u5305\u88dd\u3002<\/font><\/p>\n

\u8a3b1\uff1a\u4eba\u5de5\u64cd\u4f5c\u53ef\u80fd\u6703\u589e\u52a0\u6a5f\u68b0\u7d50\u69cb\u6216\u975c\u96fb\u640d\u58de\u7684\u98a8\u96aa\u3002<\/font><\/p>\n

\u8a3b2\uff1a\u5982\u679cSMD\u96f6\u4ef6\u88ab\u653e\u7f6e\u5728\u672a\u70d8\u70e4\u904e\u7684\u4e7e\u71e5\u888b\u5b50\u4e2d\u6642\uff0c\u8acb\u53c3\u8003\u7ae0\u7bc03.3.2.2\u3002<\/font><\/p>\n

4.2.3 \u7d19\u985e\u8207\u5851\u81a0\u5bb9\u5668<\/strong> \u7d19\u985e\u53ca\u5851\u81a0\u5bb9\u5668\uff08\u5982\u7d19\u677f\u3001\u6ce1\u6ce1\u888b\u3001\u5851\u81a0\u5305\u88dd\u2026\u7b49\uff09\u5728\u70d8\u70e4\u524d\u90fd\u61c9\u8a72\u8981\u6311\u51fa\u4f86\uff0c\u7ba1\u585e(rubber band)\u53catray\u76e4\u5e36\u5728\u9ad8\u6eab(125\u2103)\u70d8\u70e4\u524d\u4e5f\u5fc5\u9808\u6311\u51fa\u4f86\u3002<\/font><\/p>\n

4.2.4 \u70d8\u70e4\u6642\u9593<\/strong>  \u7576\u6240\u6709SMD\u96f6\u4ef6\u9054\u5230\u898f\u5b9a\u7684\u6eab\u5ea6\u6642\u624d\u958b\u59cb\u8a08\u7b97\u70d8\u70e4\u6642\u9593\u3002<\/font><\/p>\n

4.2.5 \u975c\u96fb\u9632\u8b77<\/strong> \u975c\u96fb\u9632\u8b77\u4f5c\u696d\u4f9d\u64da EIA-625\uff0c\u5982\u679c\u4f7f\u7528\u771f\u7a7a\u5438\u7b46\u5728\u4f4e<\/strong>\u6fd5\u5ea6\u7684\u74b0\u5883\u4e0b\u57f7\u884c\u6642\uff0c\u6bd4\u5982\u8aaa\u4e7e\u71e5\u7684\u74b0\u5883\u3001\u6216\u662f\u525b\u70d8\u70e4\u5b8c\u7562\u7684\u6642\u5019\uff0c\u975c\u96fb\u9632\u8b77\u4f5c\u696d\u5c31\u986f\u5f97\u975e\u5e38\u7684\u91cd\u8981\u3002<\/font><\/p>\n

4.2.6 \u5305\u88dd\u5bb9\u5668\u518d\u7528<\/strong>  \u8981\u518d\u91cd\u65b0\u4f7f\u7528\u9019\u4e9b\u5305\u5bb9\u5668\u6642\uff0c\u5fc5\u9808\u5c0d\u9019\u4e9b\u6750\u6599\u7684\u898f\u683c\u505a\u51fa\u9069\u7576\u7684\u8003\u91cf\u3002<\/font><\/p>\n

4.2.7 \u710a\u932b\u6027\u9650\u5236<\/strong><\/font><\/p>\n

4.2.7.1 \u6c27\u5316\u98a8\u96aa<\/strong> \u70d8\u70e4\u96f6\u4ef6\u53ef\u80fd\u6703\u5c0e\u81f4\u96f6\u4ef6\u6c27\u5316\u6216\u751f\u6210\u5171\u91d1(intermetallic)\uff0c\u9032\u800c\u5f71\u97ff\u710a\u63a5\u4ee5\u53ca\u96fb\u8def\u677f\u7d44\u88dd\u7684\u54c1\u8cea\u554f\u984c\uff0c\u70ba\u4e86\u78ba\u4fdd\u710a\u932b\u6027\uff0c\u5fc5\u9808\u8981\u63a7\u5236\u96f6\u4ef6\u70d8\u70e4\u7684\u6642\u9593\u548c\u6eab\u5ea6\u3002\u9664\u975e\u4f9b\u61c9\u5546\u6709\u7279\u6b8a\u8aaa\u660e\uff0c\u5426\u5247\u96f6\u4ef6\u572890\u2103\uff5e125\u2103\u7684\u7d2f\u8a08\u70d8\u70e4\u6642\u9593\u4e0d\u53ef\u4ee5\u8d85\u904e96\u5c0f\u6642\u3002\u5982\u679c\u70d8\u70e4\u6eab\u5ea6\u572890\u2103\u4ee5\u4e0b\uff0c\u5247\u6c92\u6709\u70d8\u70e4\u6642\u9593\u7684\u9650\u5236\u3002\u70d8\u70e4\u6eab\u5ea6\u5982\u679c\u9700\u8981\u9ad8\u65bc125\u2103\uff0c\u5fc5\u9808\u6d3d\u8a62\u4f9b\u61c9\u5546\uff0c\u5426\u5247\u662f\u4e0d\u88ab\u5141\u8a31\u7684\u3002<\/font><\/p>\n

4.2.7.2 \u5305\u88dd\u5bb9\u5668\u9664\u6c23\u7684\u98a8\u96aa<\/strong> \u5fc5\u9808\u8981\u6ce8\u610f\u5305\u88dd\u5bb9\u5668\u7684\u9664\u6c23\u4f5c\u696d(out-gassing)\u4e0d\u6703\u5f71\u97ff\u5230\u710a\u932b\u6027\u3002<\/font><\/p>\n

Table 4-1 Reference conditions for Drying Mounted or Unmounted SMD Packages
(User Bake: Floor life begins counting at time = 0 after bake)
<\/font>(\u5217\u51fa\u5728\u4f7f\u7528\u8005\u7aef\u7684SMD\u5c01\u88dd\u5143\u4ef6\u8d85\u51fa\u8eca\u9593\u58fd\u547d\u6216\u767c\u751f\u5176\u4ed6\u8d85\u51fa\u6fd5\u6c23\u66b4\u9732\u6642\u9593\u60c5\u6cc1\u4e0b\u91cd\u65b0\u70d8\u70e4\u7684\u689d\u4ef6)<\/font><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

Package body
<\/font>\u5c01\u88dd\u96f6\u4ef6\u539a\u5ea6<\/font><\/strong><\/p>\n<\/td>\n

\n

Level
<\/font>\u6fd5\u654f\u7b49\u7d1a<\/font><\/strong><\/p>\n<\/td>\n

\n

Bake @ 125\u00b0C
<\/font>\u70d8\u70e4<\/font>125\u00b0C<\/font><\/b><\/p>\n<\/td>\n

\n

Bake @ 90\u00b0C\/\u22665%RH<\/font>
<\/font>\u70d8\u70e4<\/font>90\u00b0C\/\u22665%RH<\/font><\/b><\/p>\n<\/td>\n

\n

Bake @ 40\u00b0C\/ \u22665%RH
<\/font>\u70d8\u70e4<\/font>40\u00b0C\/ \u22665%RH<\/font><\/b><\/p>\n<\/td>\n<\/tr>\n

\n

Exceeding Floor Life by >72 h<\/font><\/p>\n<\/td>\n

\n

Exceeding Floor Life by \u226672 h<\/font><\/p>\n<\/td>\n

\n

Exceeding Floor Life by >72 h<\/font><\/p>\n<\/td>\n

\n

Exceeding Floor Life by \u226672 h<\/font><\/p>\n<\/td>\n

\n

Exceeding Floor Life by >72 h<\/font><\/p>\n<\/td>\n

\n

Exceeding Floor Life by \u226672 h<\/font><\/p>\n<\/td>\n<\/tr>\n

\n

Thickness
\u22661.4 mm<\/font><\/p>\n<\/td>\n

\n

2<\/font><\/span><\/p>\n<\/td>\n

5 hours<\/span><\/font> <\/td>\n3 hours<\/span><\/font> <\/td>\n17 hours<\/span><\/font> <\/td>\n11 hours<\/span><\/font> <\/td>\n8 days<\/span><\/font> <\/td>\n5 days<\/span><\/font> <\/td>\n<\/tr>\n
\n

2a<\/span><\/font><\/p>\n<\/td>\n

\n

7 hours<\/span><\/font><\/p>\n<\/td>\n

\n

5 hours<\/span><\/font><\/p>\n<\/td>\n

\n

23 hours<\/span><\/font><\/p>\n<\/td>\n

\n

13 hours<\/span><\/font><\/p>\n<\/td>\n

\n

9 days<\/span><\/font><\/p>\n<\/td>\n

\n

7 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/font><\/p>\n<\/td>\n

\n

9 hours<\/span><\/font><\/p>\n<\/td>\n

\n

7 hours<\/span><\/font><\/p>\n<\/td>\n

\n

33 hours<\/span><\/font><\/p>\n<\/td>\n

\n

23 hours<\/span><\/font><\/p>\n<\/td>\n

\n

13 days<\/span><\/font><\/p>\n<\/td>\n

\n

9 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/font><\/p>\n<\/td>\n

\n

11 hours<\/span><\/font><\/p>\n<\/td>\n

\n

7 hours <\/span><\/font><\/p>\n<\/td>\n

\n

37 hours<\/span><\/font><\/p>\n<\/td>\n

\n

23 hours<\/span><\/font><\/p>\n<\/td>\n

\n

15 days<\/span><\/font><\/p>\n<\/td>\n

\n

9 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

5<\/span><\/font><\/p>\n<\/td>\n

\n

12 hours<\/span><\/font><\/p>\n<\/td>\n

\n

7 hours<\/span><\/font><\/p>\n<\/td>\n

\n

41 hours<\/span><\/font><\/p>\n<\/td>\n

\n

24 hours<\/span><\/font><\/p>\n<\/td>\n

\n

17 days<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

5a<\/span><\/font><\/p>\n<\/td>\n

\n

16 hours<\/span><\/font><\/p>\n<\/td>\n

\n

10 hours<\/span><\/font><\/p>\n<\/td>\n

\n

54 hours<\/span><\/font><\/p>\n<\/td>\n

\n

24 hours<\/span><\/font><\/p>\n<\/td>\n

\n

22 days<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

Thickness
>1.4 mm
\u2266 2.0 mm<\/font><\/p>\n<\/td>\n

\n

2<\/font><\/span><\/p>\n<\/td>\n

18 hours<\/span><\/font> <\/td>\n15 hours<\/span><\/font> <\/td>\n63 hours<\/span><\/font> <\/td>\n2 days<\/span><\/font> <\/td>\n25 days<\/span><\/font> <\/td>\n20 days<\/span><\/font> <\/td>\n<\/tr>\n
\n

2a<\/span><\/font><\/p>\n<\/td>\n

\n

21 hours<\/span><\/font><\/p>\n<\/td>\n

\n

16 hours<\/span><\/font><\/p>\n<\/td>\n

\n

3 days<\/span><\/font><\/p>\n<\/td>\n

\n

2 days<\/span><\/font><\/p>\n<\/td>\n

\n

29 days<\/span><\/font><\/p>\n<\/td>\n

\n

22 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/font><\/p>\n<\/td>\n

\n

27 hours<\/span><\/font><\/p>\n<\/td>\n

\n

17 hours<\/span><\/font><\/p>\n<\/td>\n

\n

4 days <\/span><\/font><\/p>\n<\/td>\n

\n

2 days<\/span><\/font><\/p>\n<\/td>\n

\n

37 days<\/span><\/font><\/p>\n<\/td>\n

\n

23 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/font><\/p>\n<\/td>\n

\n

34 hours<\/span><\/font><\/p>\n<\/td>\n

\n

20 hours<\/span><\/font><\/p>\n<\/td>\n

\n

5days<\/span><\/font><\/p>\n<\/td>\n

\n

3 days<\/span><\/font><\/p>\n<\/td>\n

\n

47 days<\/span><\/font><\/p>\n<\/td>\n

\n

28 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

5<\/span><\/font><\/p>\n<\/td>\n

\n

40 hours<\/span><\/font><\/p>\n<\/td>\n

\n

25 hours<\/span><\/font><\/p>\n<\/td>\n

\n

6 days<\/span><\/font><\/p>\n<\/td>\n

\n

4 days<\/span><\/font><\/p>\n<\/td>\n

\n

57 days<\/span><\/font><\/p>\n<\/td>\n

\n

35 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

5a<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

40 hour<\/span><\/font><\/p>\n<\/td>\n

\n

8 days<\/span><\/font><\/p>\n<\/td>\n

\n

6 days<\/span><\/font><\/p>\n<\/td>\n

\n

79 days<\/span><\/font><\/p>\n<\/td>\n

\n

56 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

Thickness
>2.0 mm
\u22664.5 mm<\/font><\/p>\n<\/td>\n

\n

2<\/font><\/span><\/p>\n<\/td>\n

48 hours<\/span><\/font> <\/td>\n48 hours<\/span><\/font> <\/td>\n10 days<\/span><\/font> <\/td>\n7 days<\/span><\/font> <\/td>\n79 days<\/span><\/font> <\/td>\n67 days<\/span><\/font> <\/td>\n<\/tr>\n
\n

2a<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n

\n

7 days<\/span><\/font><\/p>\n<\/td>\n

\n

79 days<\/span><\/font><\/p>\n<\/td>\n

\n

67 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n

\n

8 days<\/span><\/font><\/p>\n<\/td>\n

\n

79 days<\/span><\/font><\/p>\n<\/td>\n

\n

67 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n

\n

79 days<\/span><\/font><\/p>\n<\/td>\n

\n

67 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

5<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n

\n

79 days<\/span><\/font><\/p>\n<\/td>\n

\n

67 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

5a<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

48 hours<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n

\n

10 days<\/span><\/font><\/p>\n<\/td>\n

\n

79 days<\/span><\/font><\/p>\n<\/td>\n

\n

67 days<\/span><\/font><\/p>\n<\/td>\n<\/tr>\n

\n

BGA package >17mm x17mm or any stacked die package
(See Note2)<\/font><\/span><\/p>\n<\/td>\n

 <\/td>\n96 hours<\/span><\/font> <\/td>\nAs above per package thickness and moisture level<\/font> <\/td>\nNot applicable<\/font> <\/td>\nAs above per package thickness and moisture level<\/font> <\/td>\nNot applicable<\/font> <\/td>\nAs above per package thickness and moisture level<\/font> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Table 4-2 Default Baking Times Used Prior to Dry-Pack that were Exposed to Conditions 60% RH
(Supplier bake: \u201cMET\u201d = 24 h)<\/font>
(\u5217\u51fa\u4f9b\u61c9\u5546\u6216\u6279\u767c\u5546\u5728\u4e7e\u71e5\u5305\u88dd\u4ee5\u524d\u7684\u70d8\u70e4\u689d\u4ef6\uff0c\u4ee5\u53ca\u6240\u5141\u8a31\u7684\u6700\u5927\u88fd\u9020\u5ee0\u66b4\u9732\u6642\u9593(MET))<\/p>\n\n\n\n\n\n\n
Package Thickness
<\/font><\/font>\u5c01\u88dd\u96f6\u4ef6\u7684\u539a\u5ea6<\/font><\/strong> <\/td>\n		Level
<\/font>\u6fd5\u654f\u7b49\u7d1a<\/font><\/strong><\/td>\n		Bake @ 125C
125\u00b0C<\/font>\u70d8\u70e4<\/font><\/strong><\/td>\n		Bake @ 150C
150\u00b0C<\/font>\u70d8\u70e4 <\/font><\/strong><\/td>\n<\/tr>\n
\n

\u2266<\/font>1.4 mm<\/font><\/b><\/p>\n<\/td>\n

\n

2
2a
<\/font><\/b>3
<\/font><\/b>4
<\/font><\/b>5
<\/font><\/b>5a<\/font><\/b><\/p>\n<\/td>\n

\n

7 Hours
8 Hours
<\/font>16 Hours
<\/font>21 Hours
<\/font>24 Hours
<\/font>28 Hours<\/font><\/p>\n<\/td>\n

\n

3 Hours
4 Hours
<\/font>8 Hours
<\/font>10 Hours
<\/font>12 Hours
<\/font>14 Hours<\/font><\/p>\n<\/td>\n<\/tr>\n

\n

\u3009<\/font> 1.4mm
<\/font>\u2266<\/font> 2.0 mm<\/font><\/font><\/b><\/p>\n<\/td>\n

\n

2
2a
<\/font><\/b>3
<\/font><\/b>4
<\/font><\/b>5
<\/font><\/b>5a<\/font><\/b><\/p>\n<\/td>\n

\n

18 Hours
23 Hours
<\/font>43 Hours
<\/font>48 Hours
<\/font>48 Hours
<\/font>48 Hours<\/font><\/p>\n<\/td>\n

\n

9 Hours
11 Hours
<\/font>21 Hours
<\/font>24 Hours
<\/font>24 Hours
<\/font>24 Hours<\/font><\/p>\n<\/td>\n<\/tr>\n

\n

\u3009<\/font> 2.0mm
\u2266<\/font> 4.5 mm<\/font><\/b><\/p>\n<\/td>\n

\n

2
2a
<\/font><\/b>3
<\/font><\/b>4
<\/font><\/b>5
<\/font><\/b>5a<\/font><\/b><\/p>\n<\/td>\n

\n

48 Hours
48 Hours
<\/font>48 Hours
<\/font>48 Hours
<\/font>48 Hours
<\/font>48 Hours<\/font><\/p>\n<\/td>\n

\n

24 Hours
24 Hours
<\/font>24 Hours
<\/font>24 Hours
<\/font>24 Hours
<\/font>24 Hours<\/font><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Table 4-3 Resetting or Pausing the \u201cFloor Life\u201d Clock at User Site<\/font>
(\u6b78\u7d0d\u5728\u4f7f\u7528\u8005\u7aef\u91cd\u8a08\u6216\u66ab\u505c\u8eca\u9593\u58fd\u547d\u8a08\u6642\u7684\u689d\u4ef6 )<\/p>\n\n\n\n\n\n\n\n\n\n\n
MSL Level<\/font><\/strong><\/td>\nExposure Time @ Temp\/Humidity<\/font><\/strong><\/td>\nFloor Life<\/font><\/strong><\/td>\nDesiccator Time @ Relative Humidity<\/font><\/strong><\/td>\nBake<\/font><\/strong><\/td>\nReset Shelf Life<\/font><\/strong><\/td>\n<\/tr>\n
2, 2a, 3, 4, 5, 5a<\/font><\/td>\nAnytime<\/font>
\u226640\u2103\/85% RH<\/font> <\/font><\/td>\n		reset<\/font><\/td>\nNA<\/font><\/td>\nTable 4.1<\/font><\/td>\nDry Pack<\/font><\/td>\n<\/tr>\n
2, 2a, 3, 4, 5, 5a<\/font><\/td>\n><\/font>floor life
\u226630\u2103\/60% RH<\/font> <\/font><\/font><\/td>\n		reset<\/font><\/td>\nNA<\/font><\/td>\nTable 4.1<\/font><\/td>\nDry Pack<\/font><\/td>\n<\/tr>\n
2a, 3, 4<\/font><\/td>\n><\/font>12 hours
\u226630\u2103\/60% RH<\/font><\/font> <\/font><\/font><\/td>\n		reset<\/font><\/td>\nNA<\/font><\/td>\nTable 4.1<\/font><\/td>\nDry Pack<\/font><\/td>\n<\/tr>\n
2, 2a, 3, 4<\/font><\/td>\n\u226612 hours<\/font>
\u226630\u2103\/60% RH<\/font><\/font> <\/font><\/td>\n		reset<\/font><\/td>\n5X exposure time
\u226610% RH<\/font> <\/font><\/td>\n		NA<\/font><\/td>\nNA<\/font><\/td>\n<\/tr>\n
5, 5a<\/font><\/td>\n><\/font>8 hours
\u226630\u2103\/60% RH<\/font><\/font> <\/font><\/font><\/td>\n		reset<\/font><\/td>\nNA<\/font><\/td>\nTable 4.1<\/font><\/td>\nDry Pack<\/font><\/td>\n<\/tr>\n
5, 5a<\/font> <\/td>\n\u22668 hours<\/font>
\u226630\u2103\/60% RH<\/font><\/font> <\/font><\/td>\n		reset<\/font><\/td>\n10X exposure time
\u22665% RH<\/font> <\/font><\/td>\n		NA<\/font><\/td>\nNA<\/font><\/td>\n<\/tr>\n
2, 2a, 3<\/font><\/td>\nCumulative time
\u2267 floor time
\u226630\u2103\/60% RH<\/font><\/td>\n		reset<\/font><\/td>\nAnytime
\u226610% RH<\/font> <\/font><\/td>\n		NA<\/font><\/td>\nNA<\/font><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font> <\/p>\n

\u95dc\u65bcMSL\u5e38\u898b\u7684\u554f\u984c<\/font><\/a>
<\/font>\u5c01\u88dd\u6fd5\u654f\u96f6\u4ef6\u70d8\u70e4\u5e38\u898b\u554f\u984c\u6574\u7406<\/font><\/a>
\u975e\u6ebc\u654f\u96fb\u5b50\u96f6\u4ef6\u662f\u5426\u4e5f\u9700\u8981\u7ba1\u63a7\u6fd5\u6c23\uff1f<\/font><\/a>
IPC-JEDEC-J-STD-033 \u6fd5\u654f\u96f6\u4ef6\u7684\u70d8\u70e4\u689d\u4ef6<\/font><\/a>
<\/font>Moisture Sensitivity Levels (MSL)\u6fd5\u5ea6\u654f\u611f\u7b49\u7d1a\u89e3\u8aaa<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u524d\u4e00\u9663\u5b50\u5de5\u4f5c\u718a\u7d93\u5e38\u88ab\u7db2\u53cb\u554f\u5230\u4e00\u4e9b\u95dc\u65bc\u6fd5\u654f\u96f6\u4ef6(M …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117,16,22,4],"tags":[54],"aioseo_notices":[],"views":50882,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/1571"}],"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=1571"}],"version-history":[{"count":0,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/1571\/revisions"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=1571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=1571"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=1571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}