{"id":3286,"date":"2015-03-11T07:29:00","date_gmt":"2015-03-10T23:29:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=3286"},"modified":"2021-12-11T15:47:39","modified_gmt":"2021-12-11T07:47:39","slug":"component-drop-analyze","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2015\/03\/component-drop-analyze\/","title":{"rendered":"\u96fb\u8def\u677f\u96f6\u4ef6\u6389\u843d\uff0c\u8a72\u5982\u4f55\u8457\u624b\u5206\u6790\u3001\u5224\u65b7\u4e26\u91d0\u6e05\u554f\u984c\u9ede"},"content":{"rendered":"<p align=\"justify\"><font size=\"3\"><img loading=\"lazy\" decoding=\"async\" style=\"margin: 2px 10px 0px 0px; float: left; display: inline;\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/c41215564d22_DEE8\/B2B_connector_drop01.jpg\" width=\"295\" align=\"left\" height=\"225\" \/><\/font><font size=\"4\">\u3010\u96fb\u8def\u677f\u96f6\u4ef6\u6389\u843d\u3011\u4f3c\u4e4e\u662f\u5f88\u591a\u88fd\u7a0b\u53ca\u54c1\u7ba1\u5de5\u7a0b\u4eba\u54e1\u7684\u5922\u995c\uff0c\u5de5\u4f5c\u718a\u4e4b\u524d\u4e5f\u66fe\u7d93\u64b0\u6587\u5206\u4eab\u904e\u81ea\u5df1\u9047\u5230\u7684\u5e7e\u500b\u96f6\u4ef6\u6389\u843d\u7684\u6848\u4f8b\uff0c\u53ea\u662f\u6bcf\u500b\u4eba\u6240\u9047\u5230\u7684\u554f\u984c\u90fd\u4e0d\u76e1\u76f8\u540c\uff0c\u6709\u9451\u65bc\u8a31\u591a\u65b0\u624b\u78b0\u5230\u9019\u985e\u554f\u984c\u5927\u591a\u4e0d\u77e5\u8a72\u5f9e\u4f55\u4e0b\u624b\u958b\u59cb\u5206\u6790\uff0c\u6240\u4ee5\u9019\u88e1\u5c31\u4f86\u5206\u4eab\u4e00\u4e0b\u81ea\u5df1\u7684\u65b9\u6cd5\u8207\u6b65\u9a5f\u7d66\u5927\u5bb6\u53c3\u8003\u3002 <\/font><\/p>\n<p align=\"justify\"><font 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size=\"4\">\u4ee5\u4e0b\u5c31\u91dd\u5c0d\u5e97\u8def\u677f\u96f6\u4ef6\u6389\u843d\u4f86\u5206\u6790\u6b65\u9a5f\u4f86\u9673\u8ff0\uff0c\u56e0\u70ba\u786c\u8981\u628a\u67d0\u4e9b\u52d5\u4f5c\u5206\u6b65\u9a5f\uff0c\u53ef\u662f\u6709\u4e9b\u6b65\u9a5f\u4f3c\u4e4e\u53c8\u8207\u5176\u4ed6\u6b65\u9a5f\u76f8\u95dc\uff0c\u6240\u4ee5\u5982\u679c\u6709\u8aaa\u660e\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u8acb\u7559\u8a00\u8a0e\u8ad6\u3002<\/font><\/p>\n<p><strong><font color=\"#9b00d3\" size=\"4\">\u7b2c\u4e00\u6b65\uff0c\u8cc7\u8a0a\u53d6\u5f97<\/font><\/strong><\/p>\n<blockquote style=\"margin-right: 0px;\">\n<p><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u9019\u9ede\u5f88\u91cd\u8981\uff0c\u5982\u679c\u6e90\u982d\u932f\u4e86\uff0c\u5f8c\u9762\u518d\u600e\u9ebc\u7cbe\u5f69\u90fd\u662f\u767d\u8cbb\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u8acb\u5148\u5411\u554f\u984c\u53cd\u61c9\u8005\u78ba\u8a8d\u4e0d\u826f\u73fe\u8c61\u7684\u63cf\u8ff0\u70ba\u4f55\uff0c\u4e26\u4e14\u5148\u8a66\u8457\u67e5\u8a62\u77ad\u89e3\u4e0b\u5217\u7684\u8cc7\u8a0a\uff1a<\/font><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u767c\u751f\u4ec0\u9ebc\u554f\u984c\uff1f\u8acb\u76e1\u91cf\u5c07\u4e0d\u826f\u7684\u73fe\u8c61\u63cf\u8ff0\u6e05\u695a\u3002\u96f6\u4ef6\u662f\u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u6389\u843d\uff1f\u7522\u54c1\u6709\u6c92\u6709\u6454\u843d\u904e\uff1f\u5728\u4ec0\u9ebc\u74b0\u5883\u4e0b\u767c\u751f\u7684(\u52a0\u6cb9\u7ad9\u3001\u5ba4\u5916\u3001\u5ba4\u5167\u3001\u7a7a\u8abf)\uff1f\u6709\u6c92\u6709\u7d93\u904e\u4ec0\u9ebc\u7279\u6b8a\u7684\u6e2c\u8a66(\u9ad8\u4f4e\u6eab)\uff1f <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u554f\u984c\u767c\u751f\u5728\u5ba2\u6236\u7aef\uff1f\u9084\u662f\u751f\u7522\u88fd\u7a0b\u4e2d\uff1f\u554f\u984c\u662f\u5728\u88fd\u7a0b\u7684\u90a3\u4e00\u500b\u6b65\u9a5f\u767c\u751f\u6216\u767c\u73fe\uff1f <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u554f\u984c\u662f\u4ec0\u9ebc\u6642\u5019\u767c\u751f\u7684\uff1f\u662f\u751f\u7522\u904e\u7a0b\u4e2d\u767c\u73fe\uff1f\u6216\u662f\u6210\u54c1\u6e2c\u8a66\u6642\u624d\u767c\u73fe\uff1f\u4e0d\u826f\u54c1\u6709\u6c92\u6709\u96c6\u4e2d\u5728\u540c\u4e00\u500bDate-code\uff1f <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\"><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u677f\u5b50\u7684\u8868\u9762\u8655\u7406\u70ba\u4f55\uff1fENIG\uff1fOSP\uff1fHASL\uff1fENIG\u6703\u6709\u9ed1\u93b3\u554f\u984c\uff0cHASL\u6703\u6709\u7b2c\u4e8c\u9762\u904e\u7210\u5403\u932b\u4e0d\u826f\u554f\u984c\uff0cOSP\u6703\u6709\u904e\u671f\u5403\u932b\u4e0d\u826f\u7684\u554f\u984c\u3002<\/font> <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\"><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u677f\u5b50\u7684\u539a\u5ea6\uff1f 0.8mm\uff1f1.0mm\uff1f1.2mm\uff1f1.6mm\uff1f \u677f\u5b50\u8d8a\u8584\uff0c\u8b8a\u5f62\u5f4e\u66f2\u7684\u6a5f\u6703\u5c31\u8d8a\u5927\uff0c\u932b\u88c2\u7684\u554f\u984c\u4e5f\u5c31\u53ef\u80fd\u8d8a\u591a\u3002<\/font> <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u96f6\u4ef6\u710a\u8173\u7684\u8868\u9762\u8655\u7406\u70ba\u4f55\uff1fMatte Tin\uff1f\u934d\u91d1\uff1f <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\"><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u932b\u818f\u7684\u4e3b\u8981\u6210\u4efd\uff1fSAC305(\u932b\u9280\u9285)\uff1fSCN(\u932b\u9285\u93b3)\uff1f \u4e0d\u540c\u932b\u818f\u7684\u7194\u9ede\u6703\u4e0d\u4e00\u6a23\u3002<\/font> <\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5982\u679c\u53ef\u4ee5\u8abf\u51fa\u7576\u6642\u7684reflow\u91cf\u6e2c\u66f2\u7dda\u6700\u597d\u3002 <\/font><\/div>\n<\/li>\n<\/ul>\n<\/blockquote>\n<p><strong><font color=\"#9b00d3\" size=\"4\">\u7b2c\u4e8c\u6b65\uff0c\u53d6\u5f97\u4e0d\u826f\u54c1\uff0c\u4fdd\u7559\u8b49\u64da\u4ee5\u5229\u5f8c\u7e8c\u5206\u6790<\/font><\/strong><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u8acb\u53d6\u5f97\u4e0d\u826f\u54c1\u7684\u96fb\u8def\u677f\u5be6\u677f\uff0c\u5982\u679c\u96f6\u4ef6\u5df2\u7d93\u5b8c\u5168\u6389\u843d\uff0c\u6700\u597d\u4e5f\u8981\u53d6\u5f97\u6389\u843d\u7684\u96f6\u4ef6\uff0c\u9019\u6a23\u624d\u6709\u5c0d\u7167\u7d44\u53ef\u4ee5\u4f5c\u5b8c\u6574\u7684\u5206\u6790\u3002\u4e0d\u826f\u54c1\u5982\u679c\u4e0d\u53ea\u4e00\u4ef6\uff0c\u8861\u91cf\u5be6\u969b\u72c0\u6cc1\uff0c\u53ef\u4ee5\u53d6\u5f97\u8d8a\u591a\u8d8a\u597d\u3002<\/font><\/p>\n<\/blockquote>\n<p><strong><font color=\"#9b00d3\" size=\"4\">\u7b2c\u4e09\u6b65\uff0c\u6aa2\u67e5\u96fb\u8def\u677f\u7684\u710a\u6027<\/font><\/strong><\/p>\n<blockquote style=\"margin-right: 0px;\" dir=\"ltr\">\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u62ff\u5230\u4e0d\u826f\u54c1\u5f8c\uff0c\u8981\u540c\u6642\u6aa2\u67e5\u96fb\u8def\u677f\u53ca\u96f6\u4ef6\u8173\u7684\u710a\u6027\uff0c\u89c0\u5bdf\u5176\u9593\u7684\u5dee\u7570\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u6aa2\u67e5\u710a\u6027\u6642\uff0c\u5efa\u8b70\u8981\u5728<strong><font color=\"#0000ff\">\u986f\u5fae\u93e1(microscope)<\/font><\/strong>\u4e0b\u89c0\u5bdf\uff0c\u9019\u6a23\u6bd4\u8f03\u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u7d30\u5fae\u7684\u554f\u984c\u3002<\/font><\/p>\n<p align=\"justify\"><img loading=\"lazy\" decoding=\"async\" style=\"margin: 5px 9px 0px 0px; float: left; display: inline;\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/5ba205a96244_A688\/ENIG_component_drop02.jpg\" width=\"290\" align=\"left\" height=\"197\" \/><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u8981\u67e5\u770b\u710a\u932b\u5728\u96fb\u8def\u677f\u7684\u710a\u588a(\u76e4)\u4e0a\u6709\u7121\u62d2\u710a\u6216\u662f\u7e2e\u932b(de-wetting)\u7b49\u4e0d\u826f\u73fe\u8c61\uff0c\u9019\u985e\u554f\u984c\u901a\u5e38\u4f86\u81ea\u96fb\u8def\u677f\u7684\u8868\u9762\u8655\u7406\u4e0d\u826f\u6216\u662f\u96fb\u8def\u677f\u7684\u5132\u5b58\u74b0\u5883\u4e0d\u4f73\u4ee5\u81f4\u9020\u6210<strong><font color=\"#ff0000\">\u710a\u588a\u6c27\u5316<\/font><\/strong>\u800c\u5f15\u8d77\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u7576\u7136\u6709\u6642\u5019\u4e5f\u6703\u6709<strong><font color=\"#ff0000\">\u56de\u710a\u7210\u6eab\u5ea6\u4e0d\u8db3<\/font><\/strong>\u9020\u6210\u710a\u4e0d\u4e0a\u53bb\u7684\u554f\u984c\u3002\u9019\u6642\u5019\u53ef\u4ee5\u7528\u70d9\u9435\u8a66\u770b\u770b\u710a\u588a\u80fd\u4e0d\u80fd\u5403\u932b\uff0c\u5982\u679c\u9023\u70d9\u9435\u90fd\u5403\u4e0d\u4e86\u932b\uff0c\u5c31\u5e7e\u4e4e\u53ef\u4ee5\u5224\u5b9a\u70baPCB\u672c\u8eab\u7684\u554f\u984c\u4e86\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u8acb\u6ce8\u610f\uff1a\u6709\u4e9b\u5674\u932b\u677f\u4f7f\u7528\u300c\u932b\u9285\u93b3(SCN)\u300d\u7684\u6210\u5206\uff0c\u5176\u7194\u9ede\u6bd4SAC305\u9ad8\u4e8610\u00b0C\u3002SAC305\u7194\u9ede\u70ba217\u00b0C\uff1bSCN\u7194\u9ede\u70ba227\u00b0C\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5982\u679c\u4e5f\u53ef\u4ee5\u9032\u4e00\u6b65\u6392\u9664\u96fb\u8def\u677f\u5132\u5b58\u689d\u4ef6\u4e0d\u826f\u6240\u9020\u6210\u7684\u6c27\u5316\uff0c\u5c31\u53ef\u4ee5\u8acbPCB\u4f9b\u61c9\u5546\u904e\u4f86\u76f4\u63a5\u770b\u7522\u54c1\uff0c\u6216\u662f\u628aPCB\u9000\u7d66\u4f9b\u61c9\u5546\u5206\u6790\u8655\u7406\u4e86\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5982\u679c\u6709\u722d\u8b70\uff0c\u53ef\u4ee5\u5148\u91cf\u6e2c\u8868\u9762\u8655\u7406\u7684\u539a\u5ea6\u3002\u4e00\u822cENIG\u8981\u6aa2\u67e5\u91d1\u5c64\u53ca\u93b3\u5c64\u7684\u539a\u5ea6\uff1b\u800cHASL\u8981\u6aa2\u67e5\u5674\u932b\u7684\u539a\u5ea6\uff0cOSP\u5c31\u76f4\u63a5\u770b\u6709\u7121\u6c27\u5316\u3002<\/font><\/p>\n<p><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5982\u679c\u9084\u6709\u722d\u8b70\uff0c\u5c31\u8981\u4f5c\u5207\u7247\u4f5c\u8a73\u7d30\u7684\u5206\u6790\u4e86\u3002<\/font><\/p>\n<p><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u66f4\u591a\u95b1\u8b80\uff1a        <br \/><\/font><a href=\"\/\/m.letratesoro.com\/2013\/09\/hasl-soldering-insufficient\/\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u7121\u925b\u5674\u932b\u677f(HASL)\u4e0a\u932b\u4e0d\u826f\u8cc7\u6599\u6536\u96c6<\/font><\/a>       <br \/><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><a href=\"\/\/m.letratesoro.com\/2016\/09\/enig-black-pad\/\" target=\"_blank\" rel=\"noopener\">ENIG\u8868\u9762\u8655\u7406PCB\u710a\u588a\u7684\u5169\u5927\u6f5b\u5728\u554f\u984c(\u9ed1\u93b3\u8207\u5bcc\u78f7\u5c64)\u53ca\u9810\u9632\u63aa\u65bd<\/a><\/font><\/p>\n<\/blockquote>\n<p><font color=\"#9b00d3\" size=\"4\"><strong>\u7b2c\u56db\u6b65\uff0c\u6aa2\u67e5\u6389\u843d\u96f6\u4ef6\u8173\u7684\u710a\u6027<\/strong><\/font><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5efa\u8b70\u4e5f\u8981\u5728<strong><font color=\"#0000ff\">\u986f\u5fae\u93e1<\/font><\/strong>\u4e0b\u89c0\u5bdf\u96f6\u4ef6\u8173\u7684\u710a\u932b\u6027\uff0c\u9019\u6a23\u6bd4\u8f03\u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u7d30\u5fae\u7684\u8089\u773c\u770b\u4e0d\u5230\u7684\u73fe\u8c61\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u8981\u67e5\u770b\u96f6\u4ef6\u8173\u4e0a\u662f\u5426\u5403\u932b\u826f\u597d\uff0c\u5efa\u8b70\u6aa2\u67e5\u4e00\u4e0b\u96f6\u4ef6\u8173\u7684\u934d\u5c64\u7d44\u6210\u6210\u4efd\uff0c\u67e5\u770b\u770b\u5176\u7194\u932b\u6eab\u5ea6\u662f\u5426\u7b26\u5408\u8ff4\u710a\u7210\u7684\u6eab\u5ea6\u3002\u6709\u4e9b\u4f7f\u7528\u9280\u934d\u5c64\u6ffa\u934d\u8655\u7406\u7684\u96f6\u4ef6\uff0c\u5176\u6ffa\u934d\u9280\u53ea\u662f\u9644\u8457\u5728\u96f6\u4ef6\u8868\u9762\uff0c\u5176\u9280\u6210\u4efd\u5bb9\u6613\u88abSAC\u932b\u818f\u5403\u6389\uff0c\u9020\u6210\u710a\u63a5\u5f37\u5ea6\u964d\u4f4e\u7684\u554f\u984c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u8acb\u6ce8\u610f\uff0c\u6709\u4e9b\u96f6\u4ef6\u8173\u7684\u5207\u65b7\u9762\u6703\u6709\u9732\u9285\u6c92\u6709\u96fb\u934d\u7684\u5340\u57df\uff0c\u9019\u500b\u5730\u65b9\u901a\u5e38\u4e0d\u6613\u5403\u932b\uff0c\u4f46\u4e00\u822c\u90fd\u6703\u8a2d\u8a08\u5728\u4e0d\u9700\u8981\u5403\u932b\u6216\u662f\u4e0d\u91cd\u8981\u7684\u5730\u65b9\u3002QFN\u5074\u9762\u5c31\u4e0d\u4e00\u5b9a\u8981\u5403\u5230\u932b\u3002<\/font>       <br \/><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/11\/QFN_soldering01.jpg\" \/><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/219655117eb2_117DE\/Inductor_drop01.png\" width=\"230\" height=\"188\" \/><\/p>\n<p><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u66f4\u591a\u95b1\u8b80\uff1a        <br \/><\/font><a href=\"\/\/m.letratesoro.com\/2010\/11\/qfn%e5%b0%81%e8%a3%9d%e7%9a%84%e7%84%8a%e6%8e%a5%e5%93%81%e8%b3%aa\/\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">QFN\u5c01\u88dd\u7684\u710a\u63a5\u54c1\u8cea<\/font><\/a><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">        <br \/><\/font><a href=\"\/\/m.letratesoro.com\/2014\/01\/component-silver-plating-risk\/\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u96f6\u4ef6\u6389\u843d\u8207\u7aef\u9ede\u4f7f\u7528\u9280\u934d\u5c64\u7684\u95dc\u4fc2\uff1f<\/font><\/a><font size=\"4\"> <\/font><\/p>\n<\/blockquote>\n<p><font color=\"#9b00d3\" size=\"4\"><strong>\u7b2c\u4e94\u6b65\uff0c\u6aa2\u67e5\u6389\u843d\u7684\u96f6\u4ef6\u8173\u662f\u5426\u9023\u5e36\u710a\u588a\u4e00\u8d77\u5e36\u8d77<\/strong><\/font><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\"><img loading=\"lazy\" decoding=\"async\" style=\"margin: 5px 4px 0px 0px; float: left; display: inline;\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/Micro-USB_E60C\/micro-USB-fail06.jpg\" width=\"230\" align=\"left\" height=\"178\" \/><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5982\u679c\u96fb\u8def\u677f\u53ca\u96f6\u4ef6\u8173\u7684\u710a\u6027\u90fd\u6c92\u6709\u554f\u984c\uff0c\u5c31\u8981\u770b\u770b\u96fb\u8def\u677f\u4e0a\u7684\u710a\u588a\/\u710a\u76e4\u662f\u5426\u4e5f\u812b\u96e2\u4e86\u6216\u9023\u5728\u6389\u843d\u7684\u96f6\u4ef6\u8173\u4e0a\uff0c\u5982\u679c\u662f\uff0c\u4e5f\u53ef\u4ee5\u9032\u4e00\u6b65\u78ba\u8a8d\u96f6\u4ef6\u8207PCB\u7684\u710a\u63a5\u662f\u826f\u597d\u7684\uff0c\u66f4\u53ef\u4ee5\u8b49\u660e\u56de\u710a(Reflow)\u6c92\u6709\u554f\u984c\u3002<\/font><\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5982\u679c\u710a\u588a\u6c92\u6709\u88ab\u6389\u843d\u7684\u96f6\u4ef6\u4e00\u8d77\u5e36\u8d70\uff0c\u9019\u6642\u5019\u53ef\u4ee5\u5148\u6aa2\u67e5\u56de\u710a\u7684\u6eab\u5ea6\u66f2\u7dda\u6709\u7121\u7b26\u5408\u932b\u818f\u7684\u8981\u6c42\uff0c\u5982\u679c\u6709\u591a\u9918\u7684\u4e0d\u826f\u54c1\uff0c\u6700\u597d\u53ef\u4ee5\u7528\u70d9\u9435\u8a66\u770b\u770b\u80fd\u5426\u5c07\u6389\u843d\u7684\u96f6\u4ef6\u710a\u63a5\u56de\u96fb\u8def\u677f\u3002\u5982\u679c\u53ef\u4ee5\u710a\u5f97\u56de\u53bb\uff0c\u8868\u793a\u6eab\u5ea6\u6216\u662f\u932b\u818f\u53ef\u4ee5\u52a0\u5f37\u4f86\u514b\u670d\u9019\u500b\u554f\u984c\uff0c\u4e0d\u904e\u5efa\u8b70\u8981\u4f5c\u4e00\u4e0b\u96f6\u4ef6\u7684\u63a8\u529b\u6e2c\u8a66\uff0c\u62ff\u78ba\u8a8d\u6c92\u6709\u554f\u984c\u7684\u677f\u5b50\uff0c\u8207\u73fe\u5728\u91cd\u65b0\u8abf\u6574\u932b\u818f\u8207\u6eab\u5ea6\u66f2\u7dda\u7684\u677f\u5b50\uff0c\u4e00\u8d77\u4f5c\u63a8\u529b\u6bd4\u8f03\u6709\u7121\u5dee\u7570\uff0c\u5982\u679c\u6709\u5dee\u7570\uff0c\u5efa\u8b70\u6aa2\u67e5\u4e00\u4e0bPCB\u7684\u8868\u9762\u8655\u7406\uff0c\u6709\u6642\u5019\u8868\u9762\u8655\u7406\u4e0d\u826f\uff0c\u6703\u9020\u6210\u5c40\u90e8\u710a\u588a\u6c27\u5316\uff0cENIG\u7684\u8868\u9762\u8655\u7406\u53ef\u80fd\u6709\u9ed1\u588a\u554f\u984c\uff0cHASL\u7684\u7b2c\u4e8c\u9762\u53ef\u80fd\u6703\u6709IMC\u5df2\u7d93\u751f\u6210\u554f\u984c\u3002<\/font><\/p>\n<p><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u66f4\u591a\u95b1\u8b80\uff1a        <br \/><\/font><a href=\"\/\/m.letratesoro.com\/2012\/04\/au-thickness\/\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u96f6\u4ef6\u6389\u843d\u8207\u934d\u91d1\u539a\u5ea6\u7684\u95dc\u4fc2<\/font><\/a><\/p>\n<p>   <font size=\"4\"><\/font><\/p><\/blockquote>\n<p> <font size=\"4\"><\/font>  <\/p>\n<p><font color=\"#9b00d3\" size=\"4\"><strong>\u7b2c\u516d\u6b65\uff0c\u6aa2\u67e5\u96f6\u4ef6\u6389\u843d\u7684\u65b7\u9762<\/strong><\/font><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u8acb\u5728<strong><font color=\"#0000ff\">\u986f\u5fae\u93e1<\/font><\/strong>\u4e0b\u89c0\u5bdf\u96fb\u8def\u677f\u53ca\u96f6\u4ef6\u8173\u7684\u525d\u96e2\u9762\uff0c\u770b\u770b\u5176\u65b7\u9762\u662f\u7c97\u7cd9\u6216\u662f\u5149\u6ed1\u9762\u3002\u7c97\u7cd9\u9762\u901a\u5e38\u662f\u53d7\u5230\u4e00\u6b21\u6027\u7684\u5916\u529b\u9020\u6210\u96f6\u4ef6\u525d\u96e2\u6389\u843d\uff1b\u5149\u6ed1\u9762\u901a\u5e38\u662f\u9577\u671f\u9707\u52d5\u4e0b\u9020\u6210\u7684\u65b7\u88c2\uff0c\u5982\u679c\u662fENIG\u7684PCB\u4e5f\u6709\u53ef\u80fd\u662f\u9ed1\u93b3\u9020\u6210\u525d\u843d\u5728\u93b3\u5c64\u3002<\/font><\/p>\n<\/blockquote>\n<p><font color=\"#9b00d3\" size=\"4\"><strong>\u7b2c\u4e03\u6b65\uff0c\u5207\u7247\u6aa2\u67e5IMC\u6253EDX<\/strong><\/font><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Connector_dropped03.jpg\" \/>\u5982\u679c\u4ee5\u4e0a\u7684\u6b65\u9a5f\u90fd\u6c92\u6709\u8fa6\u6cd5\u5224\u65b7\u96f6\u4ef6\u6389\u843d\u7684\u554f\u984c\uff0c\u6700\u5f8c\u5c31\u8981\u4f5c\u7834\u58de\u6027\u7684\u5207\u7247\u4e86\uff0c\u5207\u7247\u7684\u6642\u5019\u5efa\u8b70\u96fb\u8def\u677f\u53ca\u6389\u843d\u7684\u96f6\u4ef6\u90fd\u8981\u4f5c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u4f5c\u5207\u7247\u7684\u76ee\u7684\u6709\u4e8c\uff1a<\/font><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u6aa2\u67e5\u6709\u7121IMC\u751f\u6210\uff0cIMC\u751f\u6210\u662f\u5426\u5747\u52fb\uff0c\u53e6\u5916\u8981\u6253EDX\u770b\u770b\u662f\u54ea\u7a2eIMC\u6210\u4efd\u3002\u4e0d\u5728\u4e4eIMC\u7684\u539a\u5ea6\uff0cIMC\u5982\u679c\u751f\u9577\u4e0d\u5747\u52fb\u6216\u5c40\u90e8\u6c92\u6709\u751f\u6210\u5c31\u6703\u964d\u4f4e\u710a\u932b\u7684\u5f37\u5ea6\uff0c\u96f6\u4ef6\u7684\u63a8\u529b\u5c31\u6703\u964d\u4f4e\u3002IMC\u751f\u9577\u4e0d\u826f\u539f\u56e0\u53ef\u80fd\u662f\u6c27\u5316\u6216\u6eab\u5ea6\u4e0d\u8db3\u3002            <br \/> \u5ef6\u4f38\u95b1\u8b80\uff1a<\/font><a href=\"\/2014\/03\/soldering-strength-imc\/\" target=\"_blank\" rel=\"noopener\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">PCB\u710a\u63a5\u5f37\u5ea6\u8207IMC\u89c0\u5ff5<\/font><\/a><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u7cbe\u6e96\u7684\u78ba\u8a8d\u65b7\u88c2\u7684\u5730\u65b9\u767c\u751f\u5728\u54ea\u4e00\u5c64\u3002            <br \/> \u5982\u679c\u65b7\u88c2\u9ede\u5728IMC\u5c64\uff0c\u901a\u5e38\u8868\u793a\u710a\u932b\u6027\u6c92\u6709\u554f\u984c\uff0c\u4f46\u662f\u710a\u932b\u5f37\u5ea6\u4e0d\u8db3\u4ee5\u61c9\u4ed8\u5916\u529b\u5c0d\u5b83\u7684\u885d\u64ca\uff0c\u9019\u4e00\u822c\u662f\u793e\u8a08\u4e0a\u5fc5\u9808\u89e3\u6c7a\u7684\u554f\u984c\u3002\u53ea\u662f\u6709\u4e9bRD\u6703\u8981\u6c42BGA\u6216\u96f6\u4ef6\u52a0Underfill\u6216\u9ede\u81a0\u4f86\u88dc\u5f37\u3002             <br \/> \u5982\u679c\u65b7\u88c2\u9762\u4e0d\u5728IMC\u5c64\u800c\u5728PCB\u7aef\uff0c\u90a3\u5c31\u6bd4\u8f03\u504fPCB\u7684\u554f\u984c\u4e86\u3002             <br \/> \u76f8\u53cd\u5730\uff0c\u5982\u679c\u65b7\u88c2\u9762\u5728\u96f6\u4ef6\u7aef\uff0c\u5c31\u6bd4\u8f03\u504f\u5411\u96f6\u4ef6\u7684\u554f\u984c\u3002 <\/font><\/div>\n<\/li>\n<\/ul>\n<\/blockquote>\n<p><font color=\"#ff0000\" size=\"4\"><strong>\u4ee5\u4e0a\u53ea\u662f\u500b\u4eba\u7684\u7d93\u9a57\u6574\u7406\u8207\u5206\u4eab\uff0c\u6b61\u8fce\u60a8\u63d0\u4f9b\u81ea\u5df1\u5206\u6790\u554f\u984c\u7684\u65b9\u6cd5\u3002<\/strong><\/font><!--EndFragment--><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a <\/font>  <br \/><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<\/font><\/a>   <br \/><a href=\"\/\/m.letratesoro.com\/2011\/04\/connector-dropped\/\"><font size=\"4\">\u9023\u63a5\u5668\u4f7f\u7528\u4e00\u6bb5\u6642\u9593\u5f8c\u6389\u843d\u554f\u984c\u63a2\u8a0e<\/font><\/a>   <br \/><a href=\"\/\/m.letratesoro.com\/2011\/04\/b2b-connector-improvement\/\"><font size=\"4\">\u677f\u5c0d\u677f\u9023\u63a5\u5668(B2B connector)\u6389\u843d\u7684\u6539\u5584\u63aa\u65bd<\/font><\/a>   <br \/><a href=\"\/\/m.letratesoro.com\/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>\u3010\u96fb\u8def\u677f\u96f6\u4ef6\u6389\u843d\u3011\u4f3c\u4e4e\u662f\u5f88\u591a\u88fd\u7a0b\u53ca\u54c1\u7ba1\u5de5\u7a0b\u4eba\u54e1\u7684 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,114,20,16,22,4],"tags":[157],"aioseo_notices":[],"views":24487,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/3286"}],"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=3286"}],"version-history":[{"count":2,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/3286\/revisions"}],"predecessor-version":[{"id":10037,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/3286\/revisions\/10037"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=3286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=3286"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=3286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}