{"id":1025,"date":"2011-03-28T07:47:40","date_gmt":"2011-03-27T23:47:40","guid":{"rendered":"\/\/m.letratesoro.com\/2011\/03\/bga-dropped\/"},"modified":"2023-02-14T10:04:00","modified_gmt":"2023-02-14T02:04:00","slug":"bga-dropped","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2011\/03\/bga-dropped\/","title":{"rendered":"\u5982\u4f55\u5224\u65b7BGA\u932b\u88c2\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" title=\"\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/6c302c8f6209_13421\/BGA_Solder_Ball01.jpg\" width=\"284\" height=\"216\" \/><img loading=\"lazy\" decoding=\"async\" title=\"\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/6c302c8f6209_13421\/BGA_Solder_Ball02.jpg\" width=\"284\" height=\"216\" \/><img loading=\"lazy\" decoding=\"async\" title=\"\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/6c302c8f6209_13421\/BGA_Solder_Ball03.jpg\" width=\"284\" height=\"216\" \/><img loading=\"lazy\" decoding=\"async\" title=\"\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/6c302c8f6209_13421\/BGA_Solder_Ball04.jpg\" width=\"284\" height=\"216\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u76f8\u4fe1\u5f88\u591a\u4eba\u4e00\u76f4\u90fd\u6709\u500b\u7591\u554f\uff0c<span class=\"UNDER2\">\u8981\u5982\u4f55\u5224\u65b7BGA\u7684\u932b\u88c2\u6216\u6389\u843d\u662f\u4f86\u81ea\u65bcSMT\u5de5\u5ee0\u7684\u88fd\u7a0b\u7aef\u6240\u9020\u6210\u7684\u4e0d\u826f\uff1f<\/span>\u9084\u662f\u56e0\u70ba\u96fb\u8def\u677f\u7684\u88fd\u7a0b\u7f3a\u9677\u6240\u5f15\u8d77\uff1f\u6216\u662f\u7522\u54c1\u672c\u8eab\u8a2d\u8a08\u4e0d\u8db3\u6240\u9020\u6210\u7684\u554f\u984c\uff1f<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6839\u64da\u5de5\u4f5c\u718a\u7684\u7d93\u9a57\uff0c\u5f88\u591a\u8a2d\u8a08\u8005\u53ea\u8981\u4e00\u78b0\u5230BGA\u6216\u662f\u5176\u4ed6\u96fb\u5b50\u96f6\u4ef6\u6709\u932b\u88c2\u3001\u6389\u843d\u7b49\u554f\u984c\uff0c\u5f80\u5f80\u5c31\u662f\u4e00\u53e3\u54ac\u5b9a\u662f\u88fd\u9020\u7aef\u710a\u63a5\u4e0d\u826f\u6240\u9020\u6210\uff0c\u9019\u8b93\u5f88\u591a\u5de5\u5ee0\u7aef\u7684\u5de5\u7a0b\u5e2b\u60f3\u53cd\u64ca\u537b\u53c8\u767e\u53e3\u83ab\u8faf\uff0c\u56e0\u70ba\u63d0\u4e0d\u51fa\u8b49\u64da\u4f86\u8b49\u660e\u8aaa\u8a2d\u8a08\u6709\u554f\u984c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5c31\u5de5\u4f5c\u718a\u7684\u77ad\u89e3\uff0cBGA\u6389\u843d\u7684\u539f\u56e0\u96d6\u7136\u6709\u4e00\u90e8\u5206\u8207\u5de5\u5ee0\u6216\u96f6\u4ef6\u672c\u8eab\u7684\u88fd\u7a0b\u4e0d\u826f\u6709\u95dc\uff0c\u4f46\u4e5f\u4e0d\u80fd\u6392\u9664\u96fb\u8def\u677f\u53ca\u7522\u54c1\u6a5f\u69cb\u8a2d\u8a08\u4e0a\u6709\u4fe1\u8cf4\u5ea6\u7684\u554f\u984c\uff0c\u800c\u4e14\u5f88\u591a\u6642\u5019\u932b\u88c2\u90fd\u8207\u8a2d\u8a08\u812b\u4e0d\u4e86\u95dc\u4fc2\u3002<\/font><\/p>\n<p align=\"center\"><font size=\"4\">\uff08\u672c\u6587\u91cd\u9ede\u8457\u91cd\u5728\u751f\u7522\u88fd\u7a0b\uff0c<\/font><strong><font color=\"#ff0000\" size=\"4\">\u5de5\u4f5c\u718a\u5f8c\u4f86\u767c\u73feBGA\u932b\u88c2\u6216\u6389\u843d\u5176\u5be6\u53cd\u800c\u6709\u5f88\u5927\u4e00\u90e8\u4efd\u662f\u8a2d\u8a08\u554f\u984c<\/font><\/strong><font size=\"4\">\uff09<\/font><\/p>\n<p><!--more--><\/p>\n<h4>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\">\u9996\u5148\u8981\u6f84\u6e05BGA\u932b\u88c2\u554f\u984c\u767c\u751f\u7684\u74b0\u5883\uff08\u638c\u63e1\u73fe\u6cc1\uff09<\/font><\/p>\n<\/h4>\n<p align=\"justify\">\n<p align=\"justify\"><font size=\"4\">\u5728\u771f\u6b63\u958b\u59cb\u5206\u6790\u554f\u984c\u524d\uff0c\u6709\u5fc5\u8981\u5148<strong><font color=\"#0000ff\">\u77ad\u89e3\u554f\u984c\u767c\u751f\u7684\u74b0\u5883\u72c0\u6cc1<\/font><\/strong>\uff0c\u56e0\u70ba\u5728\u4e0d\u540c\u74b0\u5883\u8207\u72c0\u6cc1\u4e0b\u6240\u767c\u751f\u7684\u76f8\u540c\u4e0d\u826f\u73fe\u8c61\uff0c\u5f80\u5f80\u53ef\u80fd\u4f86\u81ea\u4e0d\u540c\u7684\u771f\u56e0(Root Cause)\uff0cBGA\u96f6\u4ef6\u6703\u6389\u843d\u6216\u932b\u88c2\u901a\u5e38\u662f\u767c\u751f\u5728\u7522\u54c1<a href=\"\/\/m.letratesoro.com\/2011\/09\/unit-drop-test\/\" rel=\"noopener noreferrer\" target=\"_blank\">\u6454\u843d\u6e2c\u8a66<\/a>\u6216\u662f<a href=\"\/\/m.letratesoro.com\/2013\/04\/tumble-test\/\" rel=\"noopener noreferrer\" target=\"_blank\">\u6efe\u52d5\u6e2c\u8a66<\/a>\u7684\u6642\u5019\uff0c\u6216\u662f\u5ba2\u6236\u4f7f\u7528\u6642\u4e0d\u5c0f\u5fc3\u5f9e\u9ad8\u8655\u8dcc\u843d\uff0c\u5982\u679c\u5728\u6c92\u6709\u5916\u529b\u65bd\u52a0\u5176\u4e0a\u5c31\u767c\u751f\u710a\u932b\u65b7\u88c2\u6216\u96f6\u4ef6\u6389\u843d\uff0c\u90a3\u5e7e\u4e4e\u53ef\u4ee5\u5f88\u80af\u5b9a99%\u662f\u7522\u54c1\u6216\u96f6\u4ef6\u7684\u88fd\u9020\u904e\u7a0b\u6709\u554f\u984c\uff0c\u4e00\u822c\u4e0d\u5916\u4e4e\u7a7a\u3001\u5047\u710a\u6216\u96f6\u4ef6\u710a\u63a5\u9762\u6c27\u5316\u9020\u6210\uff0c<a href=\"\/2016\/02\/enig-pros-cons\/\" rel=\"noopener noreferrer\" target=\"_blank\">ENIG\u8868\u9762\u8655\u7406<\/a>\u7684\u677f\u5b50\u53ef\u80fd\u542b\u78f7\u91cf\u592a\u591a\u6216\u93b3\u5c64\u6c27\u5316\u9020\u6210\u7684\u300c<a title=\"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\" href=\"\/\/m.letratesoro.com\/2016\/09\/enig-black-pad\/\" rel=\"noopener noreferrer\" target=\"_blank\">\u9ed1\u588a\u73fe\u8c61(Black Pad)<\/a>\u300d\u3002<\/font><\/p>\n<\/p>\n<p align=\"justify\"><font size=\"4\">\u6700\u5f8c\u4e5f\u6709\u53ef\u80fd\u662f\u677f\u5b50\u5728\u88fd\u7a0b\u4e2d\u5f4e\u66f2\u4e86\u5c0e\u81f4\u61c9\u529b\u6b98\u7559\uff0c\u7136\u5f8c\u5728\u5f8c\u7e8c\u7684\u677f\u968e\u91dd\u5e8a\u6e2c\u8a66\u6216\u662f\u6574\u6a5f\u7d44\u88dd\u6642\u91cb\u653e\u61c9\u529b\u800c\u767c\u751f\u932b\u88c2\u3002<\/font><\/p>\n<p align=\"center\"><em><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\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/em><\/p>\n<h4>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\">\u63a5\u8457\u4e86\u89e3\u554f\u984c\u767c\u751f\u7684\u672c\u8cea<\/font><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">\u5176\u6b21\u8981<strong><font color=\"#0000ff\">\u77ad\u89e3\u554f\u984c\u7684\u672c\u8cea<\/font><\/strong>\uff0c\u5148\u60f3\u60f3\u5728\u6b63\u5e38\u8acb\u6cc1\u4e0b\uff0c\u96f6\u4ef6\u7a76\u7adf\u6703\u5f9e\u90a3\u500b\u65b7\u9762\u7834\u88c2\u6389\u843d\uff1f\u7576\u7136\u662f\u5f9e\u5176<strong><font color=\"#0000ff\">\u6700\u8106\u5f31<\/font><\/strong>\u7684\u7d50\u69cb\u8655\u7834\u88c2\u56c9\uff01\u90a3\u5982\u679c\u662fSMT\u7684reflow\u710a\u63a5\u6c92\u6709\u710a\u597d\uff0c\u90a3\u5c31\u61c9\u8a72\u6703\u65b7\u88c2\u5728BGA\u7684\u932b\u7403(ball)\u8207\u96fb\u8def\u677f\u7684\u710a\u588a\u4e4b\u9593\u3002\u8acb\u6ce8\u610f\uff1a\u9019\u500b\u4f4d\u7f6e\u7684\u710a\u932b\u65b7\u88c2\uff0c\u4e5f\u6709\u53ef\u80fd\u662fBGA\u7684\u932b\u7403\u6c27\u5316\uff0c\u6216\u96fb\u8def\u677f\u7684\u710a\u588a\u6c27\u5316\u6240\u9020\u6210\u3002\u9019\u7a2e\u60c5\u5f62\u591a\u534a\u6703\u5f62\u6210\u6240\u8b02\u7684<a href=\"\/\/m.letratesoro.com\/2012\/02\/bga-hip\/\" rel=\"noopener noreferrer\" target=\"_blank\">HIP\/HoP(\u6795\u982d\u6548\u61c9)<\/a>\u6216<a href=\"\/\/m.letratesoro.com\/2016\/04\/bga-nwo\/\" rel=\"noopener noreferrer\" target=\"_blank\">NWO<\/a>\u3002<\/font><\/p>\n<p align=\"center\"><font size=\"4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/BGA_E338\/BGA-ball01.png\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u662f\u710a\u588a\u7684\u8a2d\u8a08\u592a\u5c0f\u5c0e\u81f4\u7121\u6cd5\u627f\u53d7\u904e\u5927\u7684\u843d\u4e0b\u885d\u64ca\u529b\uff0c\u5247\u6703\u9020\u6210\u96fb\u8def\u677f\u4e0a\u7684\u710a\u588a\u6709\u88ab\u62c9\u626f\u4e0b\u4f86\u7684\u73fe\u8c61\u3002<font size=\"4\">\u5176\u5be6\u710a\u588a\u88ab\u6495\u8d77\u4e5f\u6709\u53ef\u80fd\u662fPCB\u5ee0\u5546\u58d3\u5408\u4e0d\u597d\u6240\u9020\u6210\u3002\u53e6\u5916\u4e5f\u6709\u53ef\u80fd\u662f\u932b\u7403\u5167\u6709\u592a\u591a\u7684\u6c23\u6ce1(voids)\uff0c\u9020\u6210\u932b\u7403\u7684\u5f37\u5ea6\u4e0d\u8db3\u800c\u65b7\u88c2\u5728\u932b\u7403\u7684\u4e2d\u9593\u3002<\/font><\/font><\/p>\n<h4>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\">\u540c\u6642\u6aa2\u67e5BGA\u8207\u96fb\u8def\u677f\u7684\u65b7\u9762<\/font><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">\u5c31\u56e0\u70baBGA\u6389\u843d\u6709\u7a2e\u7a2e\u7684\u53ef\u80fd\u539f\u56e0\uff0c\u6240\u4ee5\u6211\u5011\u5728\u5206\u6790\u9019\u985e\u554f\u984c\u6642\uff0c\u6700\u597d\u8981\u540c\u6642\u6aa2\u67e5\u65b7\u88c2\u932b\u7403\u7684\u96fb\u8def\u677f\u8207BGA\u96f6\u4ef6\u9762\uff0c\u4ee5\u78ba\u8a8d\u5b83\u7684<strong><font color=\"#0000ff\">\u65b7\u88c2\u9762<\/font><\/strong>\u4f4d\u65bc\u4f55\u8655\uff0c\u9084\u8981\u6aa2\u67e5\u5176\u65b7\u88c2\u9762\u7684\u5f62\u72c0\u4ee5\u5224\u65b7\u662f\u5916\u529b\u7684\u5f37\u529b\u62c9\u626f\u6216\u662f\u710a\u63a5\u4e0d\u826f\u9020\u6210\uff0c\u6240\u4ee5\u6700\u597d\u8981\u6e96\u5099<strong><font color=\"#0000ff\">\u9ad8\u500d\u986f\u5fae\u93e1<\/font><\/strong>\uff0c\u6709\u5fc5\u8981\u7684\u8a71\u9084\u5f97\u6e96\u5099 <a href=\"\/category\/edx-sem\/\" rel=\"noopener noreferrer\" target=\"_blank\">SEM\/EDA (Scanning Electron Microscope \/ Energy-Dispersive X-Ray spectroscopy Analyzer)<\/a> \u4f86\u5206\u6790\u65b7\u88c2\u9762\u7684\u5143\u7d20\u7d44\u6210\u6210\u4efd\u3002<\/font><\/p>\n<h4>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\">\u300cBGA\u65b7\u88c2\u9762\u300d\u6aa2\u67e5\u91cd\u9ede<\/font><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">\u6aa2\u67e5BGA\u6389\u843d\u6642\u61c9\u8a72\u4ee5\u76f8\u5c0d\u61c9\u7684\u55ae\u9846\u932b\u7403\u53ca\u710a\u588a\u70ba\u55ae\u4f4d\uff0c\u800c\u4e14\u8981\u540c\u6642\u6aa2\u67e5 BGA \u7684\u932b\u7403\u8207 PCB \u7684\u710a\u588a\uff0c\u9019\u6a23\u624d\u80fd\u5f97\u5230\u5b8c\u6574\u7684\u7b54\u6848\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u53ef\u4ee5\u5148\u6aa2\u67e5BGA\u7684\u65b7\u88c2\u9762\uff0c\u770b\u770b\u932b\u7403\u662f\u5426\u9084\u7559\u5728BGA\u4e0a\u9762\uff0c\u6c92\u6709\u610f\u5916\u7684\u8a71\u932b\u7403\u61c9\u8a72\u90fd\u6703\u7559\u5728BGA\u96f6\u4ef6\u4e0a\uff0c\u5982\u679c\u932b\u7403\u4e0d\u5728BGA\u4e0a\u9762\uff0c\u90a3\u5c31\u6709\u53ef\u80fd\u662fBGA\u96f6\u4ef6\u672c\u8eab\u7684\u932b\u7403\u710a\u932b\u4e0d\u826f\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679cBGA\u7684\u932b\u7403\u5b8c\u597d\uff0c\u518d\u6aa2\u67e5\u932b\u7403(Solder ball)\u7684\u65b7\u88c2\u9762\u6709\u5426\u51fa\u73fe\u7c97\u7cd9\u51f9\u51f8\u4e0d\u5e73\u7684\u73fe\u8c61\uff0c\u6709\u7684\u8a71\u8868\u793a\u932b\u7403\u7684\u5403\u932b\u826f\u597d\uff0c\u65b7\u88c2\u61c9\u8a72\u662f\u5916\u529b\u649e\u64ca\u6240\u9020\u6210\u3002\u5982\u679c\u65b7\u88c2\u7684\u932b\u9762\u5f88\u5149\u6ed1\uff0c\u9084\u5448\u73fe\u51fa\u5713\u5f27\u72c0\uff0c\u90a3\u5c31\u5f88\u6709\u53ef\u80fd\u662f\u5047\u710a(Non-Wetting)\u6216\u662f\u51b7\u710a(Cool Solder)\uff0c\u60f3\u5c0d\u7684 PCB \u710a\u588a\u4e0a\u7684\u710a\u932b\u9762\u61c9\u8a72\u4e5f\u6703\u5448\u73fe\u51fa\u5149\u6ed1\u7684\u5713\u5f27\u72c0\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u65b7\u88c2\u9762\u662f\u767c\u751f\u5728\u932b\u7403\u7684\u4e2d\u9593\uff0c\u90a3\u5c31\u8981\u6aa2\u67e5\u770b\u770b\u65b7\u88c2\u9762\u6709\u7121\u90e8\u4efd\u5167\u51f9\u7684\u5149\u6ed1\u9762\uff0c\u9019\u901a\u5e38\u4ee3\u8868\u8457\u932b\u7403\u5167\u6709\u6c23\u6ce1\u7522\u751f\uff0c\u6c23\u6ce1\u4e5f\u662f\u9020\u6210\u710a\u932b\u65b7\u88c2\u7684\u53ef\u80fd\u539f\u56e0\u4e4b\u4e00\uff0c\u5c31\u50cf\u662f\u4e2d\u7a7a\u7684\u6a11\u67f1\uff0c\u5176\u652f\u6490\u529b\u5c31\u6703\u6e1b\u5f31\u3002\u932b\u7403\u6703\u7522\u751f\u6c23\u6ce1\u7684\u539f\u56e0\u5f88\u591a\uff0c\u4e00\u90e8\u5206\u662freflow\u7684profile\u6c92\u6709\u8abf\u6574\u597d\uff0c\u9084\u6709\u4e00\u90e8\u4efd\u662f\u4f86\u81ea\u767d\u76ee\u7684\u8a2d\u8a08\u8005\uff0c\u786c\u662f\u8981\u628a\u901a\u5b54\u8a2d\u8a08\u5728\u710a\u588a\u4e0a\uff0c\u56e0\u70ba\u4ed6\u5011\u53ea\u5728\u4e4e\u9019\u6a23\u53ef\u4ee5\u7bc0\u7701\u7a7a\u9593\uff0c\u6b8a\u4e0d\u77e5\u9019\u6a23\u6703\u56b4\u91cd\u9020\u6210\u710a\u63a5\u4e0d\u826f\u3001\u5c11\u932b\u3001\u6c23\u6ce1..\u7b49\u5f8c\u679c\uff0c\u7136\u5f8c\u8981\u88fd\u9020\u7aef\u8cb7\u55ae\u3002<\/font><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u76f8\u95dc\u95b1\u8b80\uff1a<\/font><a href=\"\/2010\/11\/vias-in-pad\/\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5c0e\u901a\u5b54\u5728\u588a(Vias-in-pad)\u7684\u8655\u7406\u539f\u5247<\/font><\/a><\/p>\n<\/blockquote>\n<p align=\"justify\"><font size=\"4\">\u4e0d\u5efa\u8b70\u5728\u710a\u588a\u4e0a\u8a2d\u8a08\u901a\u5b54\u662f\u56e0\u70ba\u5927\u90e8\u5206\u7684PCB\u8a2d\u8a08\u90fd\u4e0d\u6703\u8981\u6c42\u901a\u5b54\u8981\u96fb\u934d\u586b\u6eff\uff0c\u56e0\u70ba\u9019\u6a23\u505a\u7684\u8a71PCB\u8cbb\u7528\u6703\u8b8a\u8cb4\u3002\u5176\u5be6\uff0c\u5982\u679c\u53ef\u4ee5\u505a\u5230\u5c07\u901a\u5b54\u586b\u6eff\uff0c\u9019\u6a23\u5c31\u4e0d\u6703\u5f71\u97ff\u5230\u710a\u932b\uff0c\u751a\u81f3\u9084\u53ef\u4ee5\u589e\u52a0\u710a\u588a\u9644\u8457\u65bcFR4\u7684\u80fd\u529b\u3002<\/font><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\"><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u76f8\u95dc\u95b1\u8b80\uff1a<\/font><a href=\"\/\/m.letratesoro.com\/?p=7385\" rel=\"noopener noreferrer\" target=\"_blank\"><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u70ba\u4e86\u5c0d\u6297\u932b\u7403\u88c2\u958b\uff0cBGA\u710a\u588a\u61c9\u8a72\u8a2d\u8a08\u6210SMD\u6216NSMD\uff1fSMD\u8207NSMD\u7684\u512a\u7f3a\u9ede<\/font><\/a><\/font><\/p>\n<\/blockquote>\n<h4>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\">\u300cPCB\u65b7\u88c2\u9762\u300d\u6aa2\u67e5\u91cd\u9ede<\/font><\/p>\n<\/h4>\n<p align=\"justify\"><font size=\"4\">\u6700\u5f8c\u4e00\u500b\u65b7\u88c2\u9ede\u662fPCB\u7684\u710a\u588a\u88ab\u62c9\u626f\u4e0b\u4f86\uff0c\u4e5f\u5c31\u662f\u8aaa\u710a\u588a\u8207PCB\u7684\u9023\u63a5\u8655\u8b8a\u6210\u6700\u8106\u5f31\u7684\u5730\u65b9\uff0c\u6703\u767c\u751f\u9019\u6a23\u7684\u539f\u56e0\u4e00\u822c\u53ef\u80fd\u4f86\u81eaPCB\u7684\u710a\u588a\u8a2d\u8a08\u592a\u5c0f\uff0c\u6216\u662fPCB\u7684\u58d3\u5408\u5f37\u5ea6\u4e0d\u8db3\u9020\u6210\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u56e0\u70baPCB\u7684\u53cd\u8986\u9ad8\u6eab\u7dad\u4fee\uff0c\u5f31\u5316\u4e86\u5176\u7d50\u5408\u5f37\u5ea6\uff0c\u5982\u679c\u554f\u984c\u662f\u4f86\u81ea\u524d\u9805\uff0c\u89e3\u6c7a\u7684\u65b9\u6cd5\u53ef\u4ee5\u52a0\u5927\u710a\u588a\u7684\u5c3a\u5bf8\uff0c\u53e6\u5916\u9084\u53ef\u4ee5\u7528\u7da0\u6f06(solder mask)\u628a\u710a\u588a\u7684\u5916\u5708\u8986\u84cb\u8d77\u4f86\uff0c\u505a\u6210\u300c<a title=\"\u70ba\u4e86\u5c0d\u6297\u932b\u7403\u88c2\u958b\uff0cBGA\u710a\u588a\u61c9\u8a72\u8a2d\u8a08\u6210SMD\u6216NSMD\uff1fSMD\u8207NSMD\u7684\u512a\u7f3a\u9ede\" href=\"\/\/m.letratesoro.com\/2018\/09\/smd_nsmd\/\" rel=\"noopener noreferrer\" target=\"_blank\">SMD (Solder Mask Defined)\u710a\u588a\u8a2d\u8a08<\/a>\u300d\uff0c\u9019\u6a23\u4e5f\u53ef\u4ee5\u88dc\u5f37\u710a\u588a\u7684\u5f37\u5ea6\uff1b\u5728\u6240\u6709\u65b9\u6cd5\u90fd\u8a66\u904e\u9084\u4e0d\u80fd\u89e3\u6c7a\u554f\u984c\u5f8c\uff0c\u624d\u4f86\u8003\u616e <a href=\"\/\/m.letratesoro.com\/2011\/04\/bga-csp-underfill\/\" rel=\"noopener noreferrer\" target=\"_blank\">underfill(\u5e95\u90e8\u586b\u5145\u81a0)<\/a> \u5427\uff0c\u56e0\u70baunderfill\u771f\u7684\u5f88\u9ebb\u7169\uff0c\u4e0d\u4f46\u8981\u5728reflow\u4e4b\u5f8c\u5148\u5b8c\u6210\u6e2c\u8a66\u589e\u52a0\u586b\u81a0\u53ca\u70d8\u70e4\u7684\u52d5\u4f5c\uff0c\u7dad\u4fee\u8d77\u4f86\u4e5f\u4e0d\u65b9\u4fbf\u5462\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u90a3\u5982\u679c\u65b7\u88c2\u767c\u751f\u5728 <a href=\"\/\/m.letratesoro.com\/2014\/03\/soldering-strength-imc\/\" rel=\"noopener noreferrer\" target=\"_blank\">IMC (Intermetallic Compound)<\/a> \u5c64\u5462\uff1f\u8acb\u53c3\u8003\u3010<a href=\"\/2016\/10\/imc-broken\/\" rel=\"noopener noreferrer\" target=\"_blank\">\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<\/a>\u3011<\/font><\/p>\n<hr \/>\n<p align=\"justify\"><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a      <br \/><\/font><a href=\"\/2010\/11\/depanel-method-summary\/\"><font size=\"4\">\u96fb\u8def\u677f\u53bb\u677f\u908a\u2500\u7e3d\u6574\u7406<\/font><\/a>     <br \/><a href=\"\/2015\/03\/component-drop-analyze\/\"><font size=\"4\">\u96fb\u8def\u677f\u96f6\u4ef6\u6389\u843d\uff0c\u8a72\u5982\u4f55\u8457\u624b\u5206\u6790\u3001\u5224\u65b7\u4e26\u91d0\u6e05\u554f\u984c\u9ede<\/font><\/a>     <br \/><a href=\"\/2010\/11\/red-dye-penetration-test\/\"><font size=\"4\">\u7528\u6ef2\u900f\u67d3\u7d05\u8a66\u9a57 (Red Dye Penetration Test)\u67e5\u770bBGA\u710a\u932b<\/font><\/a>     <br \/><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><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76f8\u4fe1\u5f88\u591a\u4eba\u4e00\u76f4\u90fd\u6709\u500b\u7591\u554f\uff0c\u8981\u5982\u4f55\u5224\u65b7BGA\u7684\u932b\u88c2 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114,22,3,4],"tags":[47,208,157],"aioseo_notices":[],"views":46787,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/1025"}],"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=1025"}],"version-history":[{"count":6,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/1025\/revisions"}],"predecessor-version":[{"id":10035,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/1025\/revisions\/10035"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=1025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=1025"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=1025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}