{"id":7100,"date":"2018-07-25T08:16:00","date_gmt":"2018-07-25T00:16:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=7100"},"modified":"2024-02-03T19:39:06","modified_gmt":"2024-02-03T11:39:06","slug":"osp-enig-soldering-strength","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2018\/07\/osp-enig-soldering-strength\/","title":{"rendered":"\u7528\u6578\u64da\u6bd4\u8f03OSP\u53caENIG\u8868\u9762\u8655\u7406\u96fb\u8def\u677f\u4e4b\u710a\u63a5\u710a\u932b\u710a\u9ede\u5f37\u5ea6"},"content":{"rendered":"<p align=\"center\"><font size=\"4\"><img loading=\"lazy\" decoding=\"async\" title=\"OSP\u53caENIG\u8868\u9762\u8655\u7406\u96fb\u8def\u677f\u4e4b\u710a\u63a5\u5f37\u5ea6\u6bd4\u8f03\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"OSP\u53caENIG\u8868\u9762\u8655\u7406\u96fb\u8def\u677f\u4e4b\u710a\u63a5\u5f37\u5ea6\u6bd4\u8f03\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/PCBA-1.jpg\" width=\"580\" height=\"387\" \/>\u63d0\u51fa\u5be6\u9a57\u6578\u64da\u4f50\u8b49OSP\u8868\u9762\u8655\u7406\u7684\u710a\u63a5\u5f37\u5ea6\u6bd4ENIG\u8868\u9762\u8655\u7406PCB\u4f86\u5f97\u5f37\u3002\u4f46\u4e5f\u8b49\u5be6OSP\u7684\u710a\u932b\u5f37\u5ea6\u6703\u96a8\u8457\u6642\u9593\u8001\u5316\u800c\u8b8a\u5dee\uff0c\u6240\u4ee5\uff0c\u7522\u54c1\u8ce3\u5230\u5e02\u5834\u4e0a\u8d8a\u4e45\uff0c\u5176\u4e0d\u826f\u7387\u61c9\u8a72\u6703\u8d8a\u9ad8\u3002<\/font><\/p>\n<p><font size=\"4\"><\/font><\/p>\n<p align=\"center\"><font size=\"4\">\u95dc\u9375\u5b57\uff1a\u710a\u63a5\u5f37\u5ea6\u3001\u710a\u9ede\u5f37\u5ea6\u3001\u710a\u932b\u5f37\u5ea6\u3001\u96f6\u4ef6\u6389\u843d\u3001\u932b\u88c2<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\">\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u4f5c\u6cd5\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5404\u4f4d\u670b\u53cb\u5728SMT\u53ca\u96fb\u8def\u677f\u7d44\u88dd\u696d\u754c\u6df7\u4e45\u4e86\uff0c\u4e5f\u8a31\u66fe\u807d\u67d0\u4f4d\u5c08\u5bb6\u6216\u524d\u8f29\u7d93\u9a57\u5206\u4eab\u544a\u8a34\u904e\u4f60\u300c<strong><font style=\"background-color: rgb(255, 255, 0);\" color=\"#0000ff\">OSP\u8868\u9762\u8655\u7406\u7684\u96fb\u8def\u677f\u4e4b\u710a\u63a5\u5f37\u5ea6\u6bd4ENIG\u8868\u9762\u8655\u7406\u4f86\u5f97\u5f37<\/font><\/strong>\u300d\uff0c\u6bd4\u8f03\u5c08\u696d\u7684\u8853\u8a9e\u61c9\u8a72\u8aaa\u300c<strong><font style=\"background-color: rgb(255, 255, 0);\" color=\"#0000ff\">\u9285\u57fa\u5730\u96fb\u8def\u677f\u7684\u710a\u9ede\u5f37\u5ea6\u6bd4\u93b3\u57fa\u5730\u4f86\u5f97\u5f37<\/font><\/strong>\u300d\uff0c\u4e0d\u904e\u4f3c\u4e4e\u6c92\u6709\u5e7e\u500b\u4eba\u53ef\u4ee5\u62ff\u51fa\u4e00\u500b\u6578\u64da\u4f86\u544a\u8a34\u4f60\u300c\u5230\u5e95OSP\u710a\u63a5\u5f37\u5ea6\u6bd4ENIG\u5f37\u4e86\u591a\u5c11\uff1f\u300d<\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><font size=\"4\">\u4f60\u77e5\u9053\u4ec0\u9ebc\u662f<strong><font color=\"#0000ff\">ENIG\uff08Electroless Nickel Immersion Gold\uff09<\/font><\/strong>\u8868\u9762\u8655\u7406\u96fb\u8def\u677f\u55ce\uff1f <a href=\"\/\/m.letratesoro.com\/2016\/02\/enig-pros-cons\/\">ENIG\u8868\u9762\u8655\u7406\u662f\u4ec0\u9ebc\u96fb\u8def\u677f\uff1f\u6709\u4f55\u512a\u7f3a\u9ede\uff1f<\/a><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4f60\u77e5\u9053\u4ec0\u9ebc\u662f<strong><font color=\"#0000ff\">OSP\uff08Organic Solderability Preservative\uff09<\/font><\/strong>\u8868\u9762\u8655\u7406\u96fb\u8def\u677f\u55ce\uff1f<a href=\"\/\/m.letratesoro.com\/?p=7105\" target=\"_blank\" rel=\"noopener\">\u4ec0\u9ebc\u662fOSP(\u6709\u6a5f\u4fdd\u710a\u819c)\u8868\u9762\u8655\u7406\u96fb\u8def\u677f\uff1f\u6709\u4f55\u512a\u7f3a\u9ede\uff1f<\/a><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5de5\u4f5c\u718a\u5728\u7db2\u8def\u4e0a\u627e\u4e86\u8a31\u591a\u7684\u5831\u544a\uff0c\u6700\u5f8c\u767c\u73fe\u9019\u7bc7\u7531\u300c<\/font><font size=\"4\">\u65e5\u672c Niho Superior \u516c\u53f8\u300d\u767c\u8868\u7684\u3010Strength of Lead-free BGA Spheres in High Speed Loading\u3011\u82f1\u6587\u7248\u672c\u5831\u544a\u7b97\u662f\u8f03\u6dfa\u986f\u6613\u61c2\uff0c\u672c\u6587\u57fa\u672c\u4e0a\u6703\u7528\u9019\u4efd\u5831\u544a\u7576\u6750\u6599\u4f86\u8aaa\u660eOSP\u8207ENIG\u7684\u710a\u63a5\u5176\u627f\u53d7\u61c9\u529b\u7684\u80fd\u529b\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u56e0\u70ba\u73fe\u4eca\u624b\u6301\u96fb\u5b50\u88dd\u7f6e(portable devices)\u5927\u884c\u5176\u9053\uff0c\u4f7f\u7528\u8005\u62ff\u53d6\u6642\u4e0d\u5c0f\u5fc3\u5c07\u5176\u6389\u843d\u5730\u4e0a\u6642\u6709\u767c\u751f\uff0c\u6240\u4ee5\u9019\u4efd\u5831\u544a\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u526a\u5207(Shear)\u6e2c\u8a66\u901f\u5ea6\u5c0dBGA\u932b\u7403\u710a\u63a5\u65bcOSP\u53caENIG\u5169\u7a2e\u4e0d\u540c\u8868\u9762\u8655\u7406\u7684\u53ef\u9760\u6027\u8a08\u7b97\u5176BGA\u932b\u7403\u7684\u65b7\u88c2\u80fd\u91cf(Fracture Energy)\u4f86\u505a\u70ba\u710a\u63a5\u5f37\u5ea6\u8a55\u5224\u7684\u6a19\u6e96\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\">\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u4f5c\u6cd5\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u4efd\u5831\u544a\u7684<font size=\"4\">\u6e2c\u8a66\u6a23\u54c1\u53ca\u5176\u689d\u4ef6\u5982\u4e0b\uff0c\u5c0d\u5831\u544a\u8a73\u7d30\u5167\u5bb9\u6709\u8208\u8da3\u7684\u8b80\u8005\u53ef\u4ee5\u5728\u7db2\u8def\u4e0a\u641c\u5c0b\u4e00\u4e0b\u9019\u4efd\u539f\u6587\u5831\u544a\u7684\u540d\u7a31\u61c9\u8a72\u5c31\u53ef\u4ee5\u627e\u5230\u4e86\uff1a<\/font><\/font><\/p>\n<ul>\n<li><font size=\"4\">\u932b\u7403\u76f4\u5f91(BGA ball diameter): 0.5+\/-0.01mm<\/font><\/li>\n<li><font size=\"4\"><font size=\"4\">\u677f\u6750(Laminate): FR4<\/font><\/font><\/li>\n<li><font size=\"4\">\u677f\u539a(Thickness): 1.6mm<\/font><\/li>\n<li><font size=\"4\">\u63a1\u7528<a href=\"\/\/m.letratesoro.com\/2014\/10\/bga-pad-design\/\" target=\"_blank\" rel=\"noopener\">\u9632\u710a\u5b9a\u7fa9\u710a\u588a(Solder Mask Defined Pad)<\/a>: 0.42+\/-0.02mm<\/font><\/li>\n<li><font size=\"4\">\u9632\u710a\u5c64\u539a\u5ea6(Resist Thickness): 30-40um<\/font><\/li>\n<li><font size=\"4\">\u96fb\u8def\u677f\u8868\u9762\u8655\u7406(Finish): OSP\u3001ENIG(0.3um Ni\/0.03um Au)<\/font> <\/li>\n<li><font size=\"4\">\u932b\u7403\u5408\u91d1(ball solder alloy): Sn-3.0Ag-0.5Cu\u3001Sn-0.7Cu-0.05Ni-0.006Ge\u300163Sn-37Pb<\/font> <\/li>\n<li><font size=\"4\">\u526a\u529b\u6e2c\u8a66\u901f\u5ea6(Shear at speeds)\uff1a10, 100, 1000, 2000 and 4000 mm\/sec<\/font> <\/li>\n<\/ul>\n<table cellspacing=\"0\" cellpadding=\"2\" width=\"580\" border=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"290\">\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Shear_test\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"Shear_test\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Shear_test.png\" width=\"272\" height=\"200\" \/><\/p>\n<\/td>\n<td valign=\"top\" width=\"290\">\n<p align=\"justify\"><font size=\"4\">\u9019\u4efd\u5831\u544a\u57fa\u672c\u4e0a\u63a1\u7528\u4e86\u63a8\u529b(Shear-test)\u53ca\u62c9\u529b(Pull-test)\u5169\u7a2e\u6e2c\u8a66\u65b9\u6cd5\uff0c\u4f46\u5de5\u4f5c\u718a\u9019\u88e1\u53ea\u53d6\u5176\u63a8\u529b\u7684\u5831\u544a\uff0c\u6709\u8208\u8da3\u7684\u8b80\u8005\u53ef\u4ee5\u5728\u7db2\u8def\u4e0a\u627e\u4e00\u4e0b\u9019\u4efd\u539f\u6587\u7684\u5831\u544a\uff0c\u800c\u9019\u88e1\u7684\u63a8\u529b\u5be6\u969b\u70ba\u932b\u7403\u5074\u5411\u7684\u526a\u5207\u529b(Shear)\uff0c\u5982\u5de6\u5716\u7684\u6e2c\u8a66\u65b9\u6cd5\u3002<\/font><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"290\">\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Fracture_Energy\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"Fracture_Energy\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Fracture_Energy.png\" width=\"245\" height=\"220\" \/><\/p>\n<\/td>\n<td valign=\"top\" width=\"290\">\n<p align=\"justify\"><font size=\"4\">\u9700\u8981\u63d0\u9192\u7684\uff0c\u9019\u4efd\u5831\u544a\u537b\u662f<font style=\"background-color: rgb(255, 255, 0);\">\u4ee5\u932b\u7403\u7684\u300c\u7834\u88c2\u5f37\u5ea6(Fracture Energy)\u300d\u4f86\u8a08\u7b97\u5176\u710a\u63a5\u5f37\u5ea6<\/font>\u7684\uff0c\u56e0\u70ba\u7576\u6700\u5927\u526a\u5207\u529b\u51fa\u73fe\u6642\u932b\u7403\u9084\u4e0d\u4e00\u5b9a\u6574\u9846\u5b8c\u5168\u6389\u843d\u4e0b\u4f86\uff0c\u6709\u4e9b\u53ef\u80fd\u53ea\u662f\u88c2\u958b\u4e00\u90e8\u5206\uff0c\u4f46\u63a8\u529b\u7684\u6700\u5927\u503c\u5df2\u7d93\u6c42\u51fa\uff0c\u6240\u4ee5\u50c5\u8a08\u7b97\u6700\u5927\u526a\u5207\u529b\u4f86\u4ee3\u66ff\u710a\u932b\u5f37\u5ea6\u6703\u6709\u9ede\u5931\u771f\uff0c\u61c9\u8a72\u8981<font style=\"background-color: rgb(255, 255, 0);\">\u8a08\u7b97\u5176\u6574\u500b\u526a\u5207\u529b\u8207\u8ddd\u96e2\u6240\u5f62\u6210\u7684\u5c01\u9589\u5340\u57df\u9762\u7a4d\uff08\u5de6\u5716\uff09\u624d\u6bd4\u8f03\u80fd\u4ee3\u8868\u710a\u63a5\u5f37\u5ea6\u3002<\/font><\/font><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Average_fracture_energy_as_a_function_of_shear_speed\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"Average_fracture_energy_as_a_function_of_shear_speed\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Average_fracture_energy_as_a_function_of_shear_speed.png\" width=\"587\" height=\"329\" \/><\/p>\n<p><font color=\"#0000ff\" size=\"5\"><strong>\u5f9e\u6574\u4efd\u5831\u544a\u770b\u4f86\uff0c\u91dd\u5c0dOSP\u53caENIG\u8868\u9762\u8655\u7406\u7684\u710a\u63a5\u5f37\u5ea6\u7d50\u679c\u53ef\u4ee5\u6b78\u7d0d\u70ba\u4e0b\u5217\u5e7e\u9ede\u7d50\u8ad6\uff1a<\/strong><\/font><\/p>\n<ul>\n<li>\n<p align=\"justify\"><font size=\"4\">\u65bd\u52a0\u65bc\u932b\u7403\u7684\u526a\u5207\u901f\u5ea6(shear speed)\u8d8a\u5feb\uff0c\u4e0d\u8ad6\u932b\u7403\u662f\u710a\u63a5\u65bcOSP\u6216ENIG\u7684\u8868\u9762\u8655\u7406\u4e0a\uff0c\u5176\u65b7\u88c2\u80fd\u91cf(Fracture Energy)\u90fd\u6703\u96a8\u8457\u526a\u5207\u901f\u5ea6\u7684\u589e\u52a0\u800c\u6025\u901f\u4e0b\u964d\u3002\u9019\u8aaa\u660e\u96fb\u5b50\u7522\u54c1\u843d\u4e0b\u7684\u901f\u5ea6\u5c0d<font style=\"background-color: rgb(255, 255, 0);\">\u96fb\u8def\u677f\u4e0a\u7684\u96fb\u5b50\u96f6\u4ef6\u710a\u932b\u5f37\u5ea6\u4f86\u8aaa\u90fd\u662f\u500b\u81f4\u547d\u50b7<\/font>\uff0c\u800c\u96f6\u4ef6\u8d8a\u91cd\u8005\uff0c\u53d7\u5230\u7684\u50b7\u5bb3\u5c31\u6703\u8d8a\u5927\uff0c\u56e0\u70baF=ma\u3002\u6454\u843d\u7684\u9ad8\u5ea6\u8d8a\u9ad8\u4e5f\u5c31\u8d8a\u4e0d\u5229\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><font style=\"background-color: rgb(255, 255, 0);\">\u4ee5SAC305\u710a\u932b\u4f86\u8aaa\uff0cOSP\u8868\u9762\u8655\u7406\u677f\u5b50\u7684\u710a\u932b\u5c0d\u6297\u526a\u5207\u529b\u7684\u7834\u88c2\u5f37\u5ea6\u8f03ENIG\u8868\u9762\u8655\u7406\u7684\u677f\u5b50\u4f86\u7684\u512a\u79c0<\/font>\uff0c\u5c24\u5176\u662f\u5728100mm\/sec\u526a\u5207\u529b\u901f\u5ea6\u6642\u5dee\u7570\u6700\u70ba\u660e\u986f\uff0c\u4f46\u662f\u5230\u4e861,000mm\/sec\u4ee5\u4e0a\u7684\u526a\u5207\u901f\u5ea6\u6642\uff0c\u5169\u8005\u4e4b\u9593\u7684\u5dee\u8ddd\u5247\u8d8a\u4f86\u8d8a\u5c0f\u3002\u9019\u500b\u53ef\u4ee5\u89e3\u91cb\u624b\u6a5f\u505a\u88f8\u6a5f\u9ad8\u8655<a title=\"\u88f8\u6a5f\u7684\u843d\u4e0b\u8a66\u9a57\/\u6454\u843d\u5be6\u9a57(Drop test)\u8981\u6c42\" href=\"\/\/m.letratesoro.com\/2011\/09\/unit-drop-test\/\" target=\"_blank\" rel=\"noopener\">\u6454\u843d\u6e2c\u8a66(drop test)<\/a>\u6642ENIG\u8207OSP\u5dee\u7570\u4e0d\u5927\uff0c\u4f46\u662f\u505a\u6efe\u52d5\u6e2c\u8a66(tumble test)\u6642OSP\u660e\u986f\u6bd4ENIG\u4f86\u5f97\u512a\u79c0\u3002<\/font><\/p>\n<\/li>\n<\/ul>\n<p align=\"center\"><font color=\"#ff0000\">\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u4f5c\u6cd5\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/p>\n<p><font size=\"4\">\u5831\u544a\u4e2d\u9084\u7279\u5225\u91dd\u5c0d\u4e00\u6b21\u56de\u710a(As reflow)\u3001\u4e8c\u6b21\u56de\u710a(Double reflow)\u3001\u56de\u710a\u5f8c\u653e\u7f6e\u65bc150\u00b0C\u74b0\u5883\u4e0b200(H)\u5c0f\u6642(Reflow + 200hr@150\u00b0C)\u505a\u4e86\u5be6\u9a57\u53ca\u6bd4\u8f03\uff0c\u6700\u4e3b\u8981\u76ee\u7684\u5728\u4e86\u89e3IMC(Intermetallic Compounds)\u5728\u6642\u9593\u53ca\u6eab\u5ea6\u689d\u4ef6\u4e0b\u5c0dBGA\u932b\u7403\u710a\u932b\u5f37\u5ea6\u7684\u5f71\u97ff\u6027\u3002<\/font><\/p>\n<p><font size=\"4\">\u5efa\u8b70\u76f8\u95dc\u95b1\u8b80\uff1a      <br \/><a href=\"\/\/m.letratesoro.com\/2014\/03\/soldering-strength-imc\/\" target=\"_blank\" rel=\"noopener\">\u4f55\u8b02IMC (Intermetallic Compound)\uff1fIMC\u8207PCB\u710a\u63a5\u5f37\u5ea6\u6709\u4f55\u95dc\u4fc2\uff1f<\/a><\/font><\/p>\n<p><font size=\"4\"><img loading=\"lazy\" decoding=\"async\" title=\"Effect_of_ageing_on_performance_in_shear\" style=\"border: 0px currentcolor; border-image: none; display: inline; background-image: none;\" border=\"0\" alt=\"Effect_of_ageing_on_performance_in_shear\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Effect_of_ageing_on_performance_in_shear.png\" width=\"590\" height=\"293\" \/><\/font><\/p>\n<ul>\n<li>\n<p align=\"justify\"><font size=\"4\">\u4ee5<strong><font color=\"#0000ff\">OSP<\/font><\/strong>\u8868\u9762\u8655\u7406\u8207SAC305\u5f62\u6210\u710a\u932b\u7684\u526a\u5207\u529b\u6e2c\u8a66\u4e4b\u7834\u88c2\u5f37\u5ea6\u4f86\u770b\uff0c\u4e00\u6b21\u56de\u710a\u53ca\u4e8c\u6b21\u56de\u710a\u5c0d\u5176\u710a\u932b\u5f37\u5ea6\u5f71\u97ff\u4f3c\u4e4e\u4e0d\u5927\u660e\u986f\uff0c\u4f46\u662f\u96a8\u8457\u9ad8\u6eab\u6642\u9593\u8001\u5316\u5f8c\uff0c\u5176\u710a\u932b\u5f37\u5ea6\u5247\u660e\u986f\u4e0b\u964d\u3002\u9019\u500b\u53ef\u4ee5\u63a8\u8ad6\u662f\u56e0\u70baOSP\u9285\u57fa\u5730\u8207\u932b\u7403\u6700\u521d\u5f62\u6210Cu<sub>6<\/sub>Sn<sub>5<\/sub>\u70ba\u826f\u6027IMC\uff0c\u4f46\u96a8\u8457\u6642\u9593\u8001\u5316\u5f8c\uff0c\u300c\u9285\u300d\u6703\u6162\u6162\u7684\u6ef2\u900f\u5230\u754c\u9762\u5c64\u4e26\u8207\u539f\u4f86\u7684IMC\u767c\u751f\u53cd\u61c9\uff0c\u6f38\u6f38\u8f49\u8b8a\u70baCu<sub>3<\/sub>Sn\u52a3\u6027IMC\u6709\u95dc\u3002           <br \/>Cu<sub>6<\/sub>Sn<sub>5<\/sub> + 9Cu \u2192 5Cu<sub>3<\/sub>Sn           <br \/><font style=\"background-color: rgb(255, 255, 0);\">\u4e5f\u5c31\u662f\u8aaa\u9285\u57fa\u5730\u7684\u710a\u932b\u5f37\u5ea6\u6703\u96a8\u8457\u6642\u9593\u8001\u5316\u800c\u8b8a\u5dee\uff0c\u7522\u54c1\u8ce3\u5230\u5e02\u5834\u4e0a\u8d8a\u4e45\uff0c\u4e0d\u826f\u7387\u5c31\u6703\u8d8a\u9ad8\u3002<\/font><\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\">\u4ee5<strong><font color=\"#0000ff\">ENIG<\/font><\/strong>\u8868\u9762\u8655\u7406\u8207SAC305\u5f62\u6210\u710a\u932b\u7684\u526a\u5207\u529b\u6e2c\u8a66\u4f86\u770b\uff0c\u4e0d\u8ad6\u662f\u4e00\u6b21\u56de\u710a\u3001\u4e8c\u6b21\u56de\u710a\u3001\u56de\u710a\u5f8c\u653e\u7f6e\u65bc150\u00b0C\u74b0\u5883\u4e0b200(H)\u5c0f\u6642\u4f86\u770b\uff0c\u5176\u7834\u88c2\u5f37\u5ea6\uff08\u710a\u63a5\u5f37\u5ea6\uff09\u4f3c\u4e4e\u6c92\u6709\u7279\u5225\u660e\u986f\u7684\u5dee\u7570\u3002           <br \/><font style=\"background-color: rgb(255, 255, 0);\">\u76f8\u5c0d\u4f86\u8aaa\uff0cENIG\u4e00\u65e6\u7d93\u904e\u8a2d\u8a08\u4fe1\u8cf4\u5ea6\u54c1\u8cea\u9a57\u8b49\uff0c\u65e5\u5f8c\u5728\u5e02\u5834\u4e0a\u7684\u4e0d\u826f\u7387\u61c9\u8a72\u6bd4\u8f03\u4f4e\uff0c\u4f46\u524d\u63d0\u662f\u4e0d\u8a08\u300c<a href=\"\/\/m.letratesoro.com\/2016\/09\/enig-black-pad\/\" target=\"_blank\" rel=\"noopener\">\u9ed1\u588a<\/a>\u300d\u9019\u985ePCB\u751f\u7522\u6642\u7684\u7455\u75b5\u3002<\/font><\/font><\/p>\n<\/li>\n<\/ul>\n<p align=\"center\"><font size=\"5\"><strong><font color=\"#ff0000\"> \u91cd\u9ede\u4f86\u4e86\uff0c\u65e2\u7136\u672c\u6587\u8b49\u660e\u4e86OSP\u8868\u9762\u8655\u7406\u7684\u710a\u63a5\u5f37\u5ea6\u6bd4ENIG\u4f86\u5f97\u597d\uff0c\u4f60\u5011\u516c\u53f8\u7684\u7522\u54c1\u5c31\u771f\u7684\u53ef\u4ee5\u63a1\u7528OSP\u55ce\uff1f\u5de5\u4f5c\u718a\u60f3\u807d\u807d\u5927\u5bb6\u7684\u770b\u6cd5\uff1f<\/font> <\/strong><\/font><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a    <br \/><a href=\"\/\/m.letratesoro.com\/2015\/11\/soldering-strength\/\"><font size=\"4\">\u96fb\u5b50\u96f6\u4ef6\u710a\u63a5\u5f37\u5ea6\u7684\u89c0\u5ff5\u6f84\u6e05        <br \/><\/font><\/a><font size=\"4\"><a href=\"\/\/m.letratesoro.com\/2012\/06\/micro-usb-connector-drop-solution\/\"><font size=\"4\">Micro-USB\u9023\u63a5\u5668\u6389\u843d\u7684\u89e3\u6c7a\u5c0d\u7b56          <br \/><\/font><\/a><font size=\"4\"><a href=\"\/\/m.letratesoro.com\/2016\/10\/imc-broken\/\"><font size=\"4\">\u70ba\u4ec0\u9ebcIMC\u5df2\u7d93\u5f62\u6210\u6709\u6548\u710a\u63a5\u4f46\u96f6\u4ef6\u6389\u843d\u9084\u662f\u767c\u751fIMC\u5c64\u65b7\u88c2\u4e4b\u89c0\u5ff5\u6f84\u6e05            <br \/><\/font><\/a><font size=\"4\"><a href=\"\/\/m.letratesoro.com\/2018\/02\/solder-crack-study-01\/\"><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><\/font><\/font><\/font><\/font>    <\/p>\n<p><font size=\"4\"><\/font><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u51fa\u5be6\u9a57\u6578\u64da\u4f50\u8b49OSP\u8868\u9762\u8655\u7406\u7684\u710a\u63a5\u5f37\u5ea6\u6bd4ENI &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,22,3,4],"tags":[169,185,157],"aioseo_notices":[],"views":15786,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/7100"}],"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=7100"}],"version-history":[{"count":1,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/7100\/revisions"}],"predecessor-version":[{"id":11139,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/7100\/revisions\/11139"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=7100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=7100"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=7100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}