{"id":6870,"date":"2018-04-18T08:24:00","date_gmt":"2018-04-18T00:24:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=6870"},"modified":"2023-02-14T10:02:35","modified_gmt":"2023-02-14T02:02:35","slug":"solder-crack-study-08","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2018\/04\/solder-crack-study-08\/","title":{"rendered":"\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216BGA\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(8)\uff1f\u589e\u52a0PCB\u7684\u525b\u6027(stiffness)\u4f86\u62b5\u6297\u61c9\u529b\u907f\u514d\u677f\u5f4e\u7684\u5f71\u97ff"},"content":{"rendered":"<p align=\"center\"><font size=\"4\"><img loading=\"lazy\" decoding=\"async\" title=\"\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(8)\uff1f\u589e\u52a0PCB\u7684\u525b\u6027(stiffness)\u4f86\u62b5\u6297\u61c9\u529b\u907f\u514d\u677f\u5f4e\u7684\u5f71\u97ff\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(8)\uff1f\u589e\u52a0PCB\u7684\u525b\u6027(stiffness)\u4f86\u62b5\u6297\u61c9\u529b\u907f\u514d\u677f\u5f4e\u7684\u5f71\u97ff\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/PCB%E7%96%8A%E6%A7%8B.png\" width=\"525\" height=\"190\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5de5\u4f5c\u718a\u5728\u524d\u9762\u7bc7\u5e45\u8ac7\u7684\u90fd\u662f\u95dc\u65bc<span class=\"UNDER2\">\u5982\u4f55\u63d0\u6607PCA\u7d50\u5408\u529b\u4ee5\u62b5\u6297\u61c9\u529b\u7684\u5f71\u97ff<\/span>\uff0c\u63a5\u4e0b\u4f86\u5de5\u4f5c\u718a\u6703\u9032\u5165\u53e6\u4e00\u500b\u8b70\u984c\u3010<\/font><strong><font style=\"background-color: rgb(255, 255, 0);\" color=\"#0000ff\" size=\"4\">\u5982\u4f55\u589e\u52a0\u96f6\u4ef6\u6216\u96fb\u8def\u677f\u62b5\u6297\u61c9\u529b\u7684\u80fd\u529b\uff1f<\/font><\/strong><font size=\"4\">\u3011\uff0c\u56e0\u70ba\u61c9\u529b\u5c0d\u932b\u88c2\u7684\u6700\u5927\u5f71\u97ff\u5c31\u662f<\/font><strong><font style=\"background-color: rgb(255, 255, 0);\" size=\"4\">\u677f\u5f4e<\/font><\/strong><font size=\"4\">\uff0c\u6240\u4ee5\uff0c\u6211\u5011\u53ea\u8981\u60f3\u5982\u4f55\u589e\u5f37\u7522\u54c1\u81ea\u8eab\u7684\u80fd\u529b\u4ee5\u62b5\u6297\u677f\u5f4e\u6240\u9020\u6210\u7684\u5f71\u97ff\u5c31\u53ef\u4ee5\u89e3\u6c7a\u932b\u88c2\u7684\u554f\u984c\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#0000ff\" size=\"5\"><strong>\u589e\u52a0\u96f6\u4ef6\u5c0d\u61c9\u529b\u7684\u62b5\u6297\u80fd\u529b<\/strong><\/font><\/p>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>1.\u589e\u52a0PCB\u7684\u525b\u6027(stiffness)\u4f86\u62b5\u6297\u61c9\u529b\u907f\u514d\u677f\u5f4e\u7684\u5f71\u97ff<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u60f3\u62b5\u6297\u61c9\u529b\uff0c\u5c31\u4e0d\u5f97\u4e0d\u8ac7\u8ac7PCB\u7684\u300a\u525b\u6027\u300b\u554f\u984c\uff0cPCB\u677f\u6750\u7684\u525b\u6027\u5982\u679c\u5920\u5f37\uff0c\u5c31\u53ef\u4ee5\u964d\u4f4e\u61c9\u529b\u9020\u6210\u7684\u677f\u5f4e\uff0c\u800c\u677f\u5f4e\u8b8a\u5f62\u662fBGA\u710a\u932b\u7834\u88c2\u7684\u91cd\u8981\u56e0\u7d20\u3002\uff08\u8acb\u6ce8\u610f\u5de5\u4f5c\u718a\u5c0d\u65bcPCB\u6750\u6599\u9019\u500b\u8b70\u984c\u5176\u5be6\u9084\u4e0d\u7b97\u5b8c\u5168\u4e86\u89e3\uff0c\u5167\u5bb9\u53ef\u80fd\u6703\u6709\u4e9b\u8b2c\u8aa4\uff0c\u8acb\u659f\u914c\u53c3\u8003\u5c31\u597d\u3002\uff09<\/font><\/p>\n<p align=\"justify\"><font style=\"background-color: rgb(255, 255, 0);\" size=\"4\"><strong>\u9996\u5148\u6211\u5011\u5fc5\u9808\u5148\u4e86\u89e3\u4f55\u8b02\u300c\u525b\u6027(stiffness)\u300d\uff1f<\/strong><\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><font size=\"4\">\u7528\u6700\u901a\u4fd7\u7684\u8aaa\u6cd5\u4f86\u89e3\u91cb\uff0c\u525b\u6027\u5c31\u662f\u6750\u6599\u7d50\u69cb\u62b5\u6297\u61c9\u529b\u5c0d\u5176\u7522\u751f\u8b8a\u5f62\u7684\u80fd\u529b\u3002\u8981\u89e3\u91cb\u525b\u6027\u524d\u9084\u5fc5\u9808\u8aaa\u660e\u4e00\u4e0b\u5f48\u6027\u6a21\u6578(Elastic modulus)\u8207\u525b\u6027(Stiffness)\u7684\u4e0d\u540c\u8655\uff0c\u514d\u5f97\u6df7\u6dc6\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u300c\u5f48\u6027\u6a21\u6578\u300d\u662f\u6307\u7576\u65bd\u529b\u65bc\u7269\u9ad4\u6642\uff0c\u5c0d\u5176\u5f48\u6027\u8b8a\u5f62\u91cf\uff08\u975e\u6c38\u4e45\u8b8a\u5f62\uff09\u8da8\u52e2\u4e4b\u6578\u5b78\u63cf\u8ff0\uff0c\u5176\u516c\u5f0f\u8a18\u70ba\u3010\u5f48\u6027\u6a21\u6578=\u61c9\u529b\/\u61c9\u8b8a\u91cf\u3011\u3002\u5f48\u6027\u6a21\u6578\u57fa\u672c\u4e0a\u662f\u7528\u4f86\u63cf\u8ff0\u6750\u6599\u7d44\u6210\u4e4b\u7279\u6027\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u300c\u525b\u6027\u300d\u5247\u70ba\u65bd\u529b\u65bc\u7269\u9ad4\uff0c\u5c0d\u5176\u6240\u7522\u751f\u4e4b\u8b8a\u5f62\u91cf\u7684\u6bd4\u503c\uff0c\u7528\u4ee5\u8868\u793a\u6750\u6599\u6216\u7d50\u69cb\u62b5\u6297\u8b8a\u5f62\u4e4b\u80fd\u529b\uff0c\u5176\u516c\u5f0f\u8a18\u70ba\u3010\u525b\u6027=\u65bd\u529b\/\u8b8a\u5f62\u91cf\u3011\u3002\u525b\u6027\u662f\u7528\u4ee5\u63cf\u8ff0\u7d50\u69cb\u4e4b\u7279\u6027\u3002\u6240\u4ee5\uff0c\u540c\u6a23\u7684\u92fc\u6750\uff0c\u5c07\u5176\u88fd\u4f5c\u6210\u5de5\u5b57\u92fc\u8207\u53e3\u5b57\u92fc\u5c31\u6703\u7522\u751f\u4e0d\u4e00\u6a23\u7684\u525b\u6027\uff0c\u53ef\u4ee5\u7528\u5728\u4e0d\u540c\u7684\u5730\u65b9\u4f86\u62b5\u6297\u4e0d\u540c\u61c9\u529b\u4f86\u6e90\uff0c\u800c\u4e14\u96a8\u8457\u65bd\u529b\u9ede\u7684\u4e0d\u540c\u4e5f\u6703\u7522\u751f\u4e0d\u540c\u7684\u525b\u6027\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">k = AE\/L\uff0ck=\u525b\u6027\uff0cA=\u6a6b\u622a\u9762\u9762\u7a4d\uff0c E=\u5f48\u6027\u6a21\u6578\uff08\u694a\u6c0f\u6a21\u6578\uff09\uff0cL=\u7269\u9ad4\u9577\u5ea6<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5c31\u5de5\u4f5c\u718a\u76ee\u524d\u7684\u4e86\u89e3\uff0c\u6703\u5f71\u97ff\u5230PCB\u525b\u6027\u7684\u8981\u7d20\u6709\u4e0b\u5217\u5e7e\u9ede\uff1a<img loading=\"lazy\" decoding=\"async\" title=\"PCB\u7684\u677f\u6750\u758a\u69cb(stack-up)\u8a2d\u8a08\u6703\u5f71\u97ff\u5176\u525b\u6027\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"PCB\u7684\u677f\u6750\u758a\u69cb(stack-up)\u8a2d\u8a08\u6703\u5f71\u97ff\u5176\u525b\u6027\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/PCB%E7%9A%84%E6%9D%BF%E6%9D%90%E7%96%8A%E6%A7%8Bstack-up%E8%A8%AD%E8%A8%88%E6%9C%83%E5%BD%B1%E9%9F%BF%E5%85%B6%E5%89%9B%E6%80%A701.png\" width=\"580\" height=\"348\" \/><img loading=\"lazy\" decoding=\"async\" title=\"PCB\u7684\u677f\u6750\u758a\u69cb(stack-up)\u8a2d\u8a08\u6703\u5f71\u97ff\u5176\u525b\u6027\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"PCB\u7684\u677f\u6750\u758a\u69cb(stack-up)\u8a2d\u8a08\u6703\u5f71\u97ff\u5176\u525b\u6027\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/PCB%E7%9A%84%E6%9D%BF%E6%9D%90%E7%96%8A%E6%A7%8Bstack-up%E8%A8%AD%E8%A8%88%E6%9C%83%E5%BD%B1%E9%9F%BF%E5%85%B6%E5%89%9B%E6%80%A702.png\" width=\"580\" height=\"286\" \/><\/font><img loading=\"lazy\" decoding=\"async\" title=\"\u4e0d\u540c\u7684PPCCL\u4e5f\u6703\u5f71\u97ff\u525b\u6027\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"\u4e0d\u540c\u7684PPCCL\u4e5f\u6703\u5f71\u97ff\u525b\u6027\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/%E4%B8%8D%E5%90%8C%E7%9A%84PPCCL%E4%B9%9F%E6%9C%83%E5%BD%B1%E9%9F%BF%E5%89%9B%E6%80%A7.png\" width=\"580\" height=\"230\" \/><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font color=\"#0000ff\" size=\"4\"><strong>PCB\u7684\u677f\u6750\u758a\u69cb(stack-up)\u8a2d\u8a08\u6703\u5f71\u97ff\u5176\u525b\u6027<\/strong><\/font><\/div>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u57fa\u672c\u4e0a\u4f48\u7dda\u5de5\u7a0b\u5e2b\u5728\u96fb\u8def\u677f\u8a2d\u8a08\u5b8c\u6210\u51fa\u5716\u6642\uff0c\u5c31\u5df2\u7d93\u5b9a\u7fa9\u597dPCB\u5404\u5c64\u7684\u529f\u80fd(top signal, Vcc, GND, bottom signal&#8230;\u7b49)\uff0c\u4f46\u4e0d\u540c\u7684\u677f\u5ee0\u5728\u8a2d\u8a08\u5176PCB\u88fd\u7a0b\u6642\u53ef\u80fd\u6703\u9078\u64c7\u4e0d\u4e00\u6a23\u7684\u758a\u69cb\uff0c\u4e0d\u540c\u7684\u758a\u69cb\u8a2d\u8a08\u5c31\u53ef\u80fd\u7522\u751f\u4e0d\u540c\u7684\u61c9\u529b\u7d50\u69cb\uff0c\u5176\u627f\u53d7\u61c9\u529b\u5f4e\u66f2\u7684\u62b5\u6297\u80fd\u529b\u4e5f\u5c31\u6703\u6709\u6240\u4e0d\u540c\uff0c\u6bd4\u5982\u8aaa\u4e00\u7247\u56db\u5c64\u677f\u7684PCB\u758a\u69cb\u8a2d\u8a08\uff0c\u5176\u758a\u69cb\u9078\u64c7\u53ef\u4ee5\u662f\u30101+2+1\u3011\u6216\u30102+2\u3011\uff0c\u5982\u679c\u662f\u66f4\u591a\u5c64\u7684PCB\uff0c\u5176\u758a\u69cb\u7684\u9078\u64c7\u6703\u66f4\u591a\uff0c\u5176\u5be6\u4e0d\u540c\u7684\u758a\u69cb\u9084\u53ef\u80fd\u6703\u5f71\u97ff\u5230EMC(Electromagnetic Compatibility\uff0c\u96fb\u78c1\u517c\u5bb9\u6027)\u80fd\u529b\uff0c\u6240\u4ee5\u5982\u679c\u662f\u5c0dPCB\u88fd\u7a0b\u6709\u4e00\u5b9a\u80fd\u529b\u7684PCB\u4f48\u7dda\u5de5\u7a0b\u5e2b\uff0c\u5de5\u4f5c\u718a\u5f37\u70c8\u5efa\u8b70\u6700\u597d\u5728\u5716\u7d19\u4e0a\u9762\u5c31\u8981\u898f\u5b9a\u597d\u5176\u758a\u69cb\u4ee5\u53ca\u5404\u5c64\u677f\u7684\u539a\u5ea6\uff0c\u8981\u4e0d\u5c31\u662f\u8ddf\u677f\u5ee0\u8a0e\u8ad6\u5f8c\u518d\u5c07\u5176\u5b9a\u7fa9\u4e0b\u4f86\uff0c\u514d\u5f97\u5c0b\u627e\u7b2c\u4e8c\u4f9b\u61c9\u5546\u7684\u6642\u5019\u51fa\u73fe\u4e0d\u540c\u7684\u758a\u69cb\u5f71\u97ff\u5230\u96fb\u8def\u677f\u7684\u6548\u80fd\u3002<\/font><\/p>\n<\/blockquote>\n<\/li>\n<li>\n<div align=\"justify\"><font color=\"#0000ff\" size=\"4\"><strong>\u4e0d\u540c\u7684PP\/CCL\u4e5f\u6703\u5f71\u97ff\u525b\u6027\uff0cTg\u503c\u7684\u5f71\u97ff\u5c24\u5176\u5927<\/strong><\/font><\/div>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u7576PCB\u677f\u6750\u9078\u64c7\u4e0d\u540c\u5ee0\u5bb6\u6216\u4e0d\u540c\u578b\u865f\u7684PP(Prepreg\uff0c\u81a0\u7247)\/CCL(Copper Clad Laminate\uff0c\u9285\u7b94\u57fa\u677f)\u4e5f\u6703\u5f71\u97ff\u5176\u525b\u6027\uff0c\u5c24\u5176\u9078\u64c7\u4e0d\u540cTg\u503c\u7684\u677f\u6750\u6642\uff0c\u5176\u5f71\u97ff\u6703\u66f4\u5927\u3002\u73fe\u5728\u7684\u7121\u925b\u88fd\u7a0b\u7684PCB\u9078\u7528\u7684\u5927\u591a\u662fTg150\u7684\u4e2dTg\u677f\u6750\uff0c\u9ad8Tg\u7684\u677f\u6750\u4e00\u822c\u5247\u70baTg170\u4ee5\u4e0a\uff0c\u8868\u793a\u5176\u8010\u6eab\u7b49\u7d1a\u66f4\u9ad8\uff0c\u76f8\u5c0d\u7684\u5176\u525b\u6027\u4e5f\u8d8a\u597d\u3002<\/font><\/p>\n<\/blockquote>\n<\/li>\n<\/ul>\n<p><font size=\"4\">\u5efa\u8b70\u76f8\u95dc\u95b1\u8b80\uff1a<\/font><a href=\"\/\/m.letratesoro.com\/2014\/07\/pcb-material-structure\/\"><font size=\"4\">\u96fb\u8def\u677fPCB\u677f\u6750\u7684\u7d50\u69cb\u8207\u529f\u7528\u4ecb\u7d39<\/font><\/a><\/p>\n<hr \/>\n<p><strong><font size=\"4\">\u300c\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d\u300d\u7cfb\u5217\u6587\u7ae0\u5217\u8868\uff1a<\/font><\/strong><\/p>\n<ul>\n<li><a href=\"\/?p=6831\"><font size=\"4\">\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<\/font><\/a><\/li>\n<li><a href=\"\/?p=6834\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(2)\uff1fPCA\u7684\u7d50\u5408\u529b\u5305\u542b\u6709\u54ea\u4e9b\uff1f<\/font><\/a> <\/li>\n<li><font size=\"4\"><a href=\"\/?p=6837\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(3)\uff1fIMC\u662f\u826f\u597d\u710a\u932b\u7d50\u679c\u7684\u5fc5\u8981\u4e4b\u60e1<\/a><\/font><\/li>\n<li><a href=\"\/?p=6841\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(4)\uff1fPCB\u8868\u9762\u8655\u7406\u6539\u7528\u300c\u9285\u300d\u57fa\u5730<\/font><\/a><\/li>\n<li><a href=\"\/?p=6845\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(5)\uff1f\u589e\u52a0\u710a\u932b\u7684\u63a5\u89f8\u9762\u7a4d\u4ee5\u589e\u52a0\u710a\u932b\u5f37\u5ea6<\/font><\/a><\/li>\n<li><a href=\"\/?p=6858\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(6)\uff1f\u5de5\u4f5c\u718a\u500b\u4eba\u7d66BGA\u710a\u588a\u8a2d\u8a08\u7684\u5efa\u8b70<\/font><\/a><\/li>\n<li><a href=\"\/?p=6861\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(7)\uff1f\u9285\u7b94\u710a\u588a\u8207PCB\u677f\u6750\u9593\u7684\u7d50\u5408\u529b(bonding-force)<\/font><\/a><\/li>\n<li><a href=\"\/?p=6876\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(9)\uff1f\u589e\u52a0\u96f6\u4ef6\u5c0d\u61c9\u529b\u7684\u62b5\u6297\u80fd\u529b<\/font><\/a><\/li>\n<li><a href=\"\/?p=6884\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(10)\uff1f\u900f\u904e\u6a5f\u69cb\u8a2d\u8a08\u964d\u4f4e\u61c9\u529b\u5c0d\u96fb\u8def\u677f\u8b8a\u5f62\u4e4b\u5f71\u97ff<\/font><\/a><\/li>\n<li><a href=\"\/?p=6888\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(11)\uff1f\u61c9\u529b\u662f\u9020\u6210BGA\u710a\u932b\u7834\u88c2\u7684\u6700\u5927\u5147\u624b<\/font><\/a><\/li>\n<li><a href=\"\/?p=6895\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(12)\uff1f\u88fd\u9020\u5de5\u5ee0\u4e2d\u53ef\u80fd\u51fa\u73fe\u8f03\u5927\u61c9\u529b\u7684\u88fd\u7a0b<\/font><\/a><\/li>\n<li><a href=\"\/?p=6898\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(13)\uff1f\u61c9\u529b\u4f86\u6e90\u7684\u6700\u5927\u6311\u6230\uff1a\u4f7f\u7528\u74b0\u5883<\/font><\/a><\/li>\n<\/ul>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a      <br \/><\/font><a href=\"\/2013\/04\/tumble-test\/\"><font size=\"4\">\u6efe\u7b52\u6e2c\u8a66(tumble test)\u7684\u65b9\u6cd5\u8207\u5931\u6548\u89e3\u6c7a\u5c0d\u7b56<\/font><\/a>     <br \/><a href=\"\/2011\/03\/bga-dropped\/\"><font size=\"4\">\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5de5\u4f5c\u718a\u5728\u524d\u9762\u7bc7\u5e45\u8ac7\u7684\u90fd\u662f\u95dc\u65bc\u5982\u4f55\u63d0\u6607PCA\u7d50\u5408\u529b &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,20,3],"tags":[47,208,157],"aioseo_notices":[],"views":8464,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/6870"}],"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=6870"}],"version-history":[{"count":1,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/6870\/revisions"}],"predecessor-version":[{"id":10567,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/6870\/revisions\/10567"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=6870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=6870"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=6870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}