{"id":6834,"date":"2018-03-01T08:22:00","date_gmt":"2018-03-01T00:22:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=6834"},"modified":"2023-02-14T10:03:07","modified_gmt":"2023-02-14T02:03:07","slug":"solder-crack-study-02","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2018\/03\/solder-crack-study-02\/","title":{"rendered":"\u96fb\u5b50\u96f6\u4ef6\u6389\u843d\u6216BGA\u932b\u88c2\u4e00\u5b9a\u662fSMT\u88fd\u7a0b\u554f\u984c\u8ff7\u601d(2)\uff1fPCA\u7684\u7d50\u5408\u529b\u5305\u542b\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p align=\"center\"><font size=\"4\">\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=\"center\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/BGA_crack_judgement_side.png\" \/><\/p>\n<p align=\"center\"><font color=\"#0000ff\" size=\"5\"><strong>\u5148\u4f86\u8ac7\u8ac7PCA\u7684\u7d50\u5408\u529b\u5305\u542b\u6709\u54ea\u4e9b\uff1f<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">PCA\u7684\u7d50\u5408\u529b\u5176\u5be6\u5305\u542b\u5f88\u591a\u9805\u76ee\uff0c\u4f46\u6211\u5011\u53ef\u4ee5\u6bd4\u7167\u4e00\u822cBGA\u505a<a href=\"\/2010\/11\/red-dye-penetration-test\/\" target=\"_blank\" rel=\"noopener\">\u7d05\u58a8\u6c34\u6e2c\u8a66(red-dye)<\/a>\u6240\u5f97\u5230\u7684\u7d50\u8ad6\u4f86\u8a0e\u8ad6\uff0c\u5c07\u96f6\u4ef6\u6389\u843d\u8207\u710a\u932b\u7834\u88c2\u7684\u7d50\u5408\u529b\u5927\u81f4\u6b78\u7d50\u70ba\u4e94\u500b\u4f4d\u7f6e\uff0c\u9019\u4e94\u500b\u4f4d\u7f6e\u57fa\u672c\u4e0a\u53ef\u4ee5\u9069\u7528\u73fe\u4eca\u6240\u6709\u7684PCA\u710a\u932b\uff1a<\/font><\/p>\n<p><!--more--><\/p>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">BGA\u57fa\u677f(substrate)\u710a\u588a\u58d3\u5408\u65bc\u8f09\u677f\u7684\u7d50\u5408\u529b\u3002              <br \/><\/font><\/strong>\u4ee5\u9285\u7b94\u9644\u8457\u65bc\u8f09\u677f\u7684\u7d50\u5408\u529b\u70ba\u4ee3\u8868\u3002\u5982\u679c\u662f\u5176\u4ed6\u96fb\u5b50\u96f6\u4ef6\uff0c\u8996\u96f6\u4ef6\u710a\u8173\u7684\u5e95\u6750\u53ca\u934d\u5c64\u5e95\u91d1\u5c6c\u4ee5\u53ca\u9644\u8457\u65b9\u5f0f\u4e0d\u540c\u53ef\u80fd\u6709\u4e0d\u4e00\u6a23\u7684\u7d50\u5408\u529b\u3002<\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u932b\u7403\u710a\u63a5\u65bc\u8f09\u677f\u7684\u7d50\u5408\u529b\uff0c\u4ee5IMC\u5c64\u70ba\u4ee3\u8868\u3002<\/font><\/strong>           <br \/> \u5982\u679c\u662f\u5176\u4ed6\u96fb\u5b50\u96f6\u4ef6\uff0c\u5247\u662f\u932b\u818f\u710a\u63a5\u65bc\u96f6\u4ef6\u8173\u7684\u7d50\u5408\u529b\u70ba\u6a19\u6e96\uff0c\u4e00\u6a23\u4ee5IMC\u5c64\u70ba\u4ee3\u8868\uff0c\u4e0d\u904e\u4e0d\u540c\u7684\u91d1\u5c6c\u8868\u9762\u8655\u7406\uff0c\u6703\u5f97\u5230\u4e0d\u4e00\u6a23\u7684\u7d50\u5408\u529b\u3002<\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u932b\u7403\u672c\u8eab\u7684\u7d50\u5408\u529b\u3002<\/font><\/strong>           <br \/> \u4ee5\u932b\u7403\u5167\u6c23\u6ce1\u5b54\u6d1e(void)\u70ba\u4ee3\u8868\u3002\u5982\u679c\u662f\u5176\u4ed6\u96fb\u5b50\u96f6\u4ef6\uff0c\u5247\u662f\u932b\u818f\u7684\u710a\u932b\u7d50\u5408\u529b\uff0c\u4e00\u6a23\u4ee5\u6c23\u6ce1\u70ba\u4ee3\u8868\u3002<\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font color=\"#0000ff\" size=\"4\"><strong>\u932b\u818f\u710a\u63a5\u65bcPCB\u710a\u588a\u7684\u7d50\u5408\u529b\u3002\u4ee5IMC\u5c64\u70ba\u4ee3\u8868\u3002<\/strong><\/font><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><font color=\"#0000ff\" size=\"4\"><strong>PCB\u710a\u588a\u58d3\u5408\u65bcFR4\u7684\u7d50\u5408\u529b\u3002\u4ee5\u9285\u7b94\u7684\u7d50\u5408\u529b\u70ba\u4ee3\u8868\u3002<\/strong><\/font><\/div>\n<\/li>\n<\/ul>\n<p align=\"justify\"><font size=\"4\">\u73fe\u5728\u4f60\u5df2\u7d93\u77e5\u9053PCA\u5927\u81f4\u5305\u542b\u6709\u54ea\u4e9b\u91cd\u8981\u7684\u7d50\u5408\u529b\u4e86\uff0c\u63a5\u4e0b\u4f86\u5c31\u662f\u770b\u90a3\u4e00\u8655\u7684\u7d50\u5408\u529b\u6700\u70ba\u8106\u5f31\uff0c\u53d7\u5230\u61c9\u529b\u4f5c\u7528\u6642\u65b7\u88c2\u5c31\u6703\u5f9e\u8a72\u8655\u958b\u59cb\u767c\u751f\u3002<\/font><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5efa\u8b70\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>       <br \/><a href=\"\/2016\/11\/red-dye-bga-crack\/\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5982\u4f55\u5f9e\u7d05\u58a8\u6c34\u6e2c\u8a66\u4e2d\u5224\u65b7BGA\u958b\u88c2\u7684\u4e0d\u826f\u539f\u56e0<\/font><\/a>       <br \/><a href=\"\/2017\/06\/bga-red-dye\/\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">BGA\u932b\u7403\u65b7\u88c2(crack)\u7684\u7d05\u58a8\u6c34\u6e2c\u8a66\u5224\u65b7\u8207\u73fe\u8c61\u5206\u6790<\/font><\/a>       <br \/><a href=\"\/2017\/06\/lab-bga-red-dye\/\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u5982\u4f55\u770b\u61c2\u5be6\u9a57\u5ba4\u7684BGA\u7d05\u58a8\u6c34\u6e2c\u8a66\u5831\u544a\u6e2c\u8a66\u5831\u544a\u7684\u6df1\u5c64\u610f\u7fa9<\/font><\/a><\/p>\n<\/blockquote>\n<p align=\"justify\"><font size=\"4\">\u5176\u5be6\u6309\u7167\u904e\u5f80\u7684\u7d93\u9a57\u5224\u65b7\uff0cP<\/font><font size=\"4\">CA\u7684\u710a\u932b\u7834\u88c2\u670960%\u4ee5\u4e0a\u90fd\u6703\u65b7\u88c2\u5728PCB\u7aef\u7684IMC\u5c64\uff08<a href=\"\/2014\/03\/soldering-strength-imc\/\" target=\"_blank\" rel=\"noopener\">\u4f60\u9084\u8a18\u5f97\u4ec0\u9ebc\u662fIMC\u5427\uff01<\/a>\uff09\uff0c\u5176\u6b21\u662f\u65b7\u88c2\u5728PCB\u7684\u9285\u7b94\u710a\u588a\u8207FR4\u4e4b\u9593\uff0c\u63a5\u8457\u662f\u96f6\u4ef6\u7aef\u7684IMC\u5c64\u8207\u710a\u76e4\uff0c\u771f\u6b63\u65b7\u88c2\u5728\u710a\u932b\u6216\u932b\u7403\u672c\u8eab\u7684\u5176\u5be6\u5c11\u6709\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5f88\u591a\u4eba\u5728\u5206\u6790\u96f6\u4ef6\u6389\u843d\u6216\u662f\u932b\u88c2\u6642\uff0c\u7d93\u5e38\u4e00\u770b\u5230\u710a\u932b\u7684\u65b7\u88c2\u9762\u51fa\u73fe\u4e86\u7a0d\u5fae\u53cd\u9ed1\u7684\u984f\u8272\uff0c\u5c31\u50cf\u72d7\u55c5\u5230\u9aa8\u982d\uff0c\u958b\u59cb\u7aae\u8ffd\u731b\u6253\uff0c\u8a8d\u70ba\u9019\u4e00\u5b9a\u662f\u710a\u588a\u6c27\u5316\u6240\u81f4\uff0c\u5fc3\u60f3\u300c\u51fa\u904b\u5566\uff5e\u300d\u7d42\u65bc\u627e\u5230\u539f\u56e0\u4e86\uff1f\u6b8a\u4e0d\u77e5IMC\u5c64\u7684\u984f\u8272\u5176\u5be6\u4e00\u822c\u4e5f\u662f\u6bd4\u710a\u932b\u7684\u984f\u8272\u4f86\u5f97\u9eef\u6de1\uff0c\u800c\u4e14\u5927\u90e8\u4efd\u710a\u932b\u65b7\u88c2\u9762\u90fd\u6703\u767c\u751f\u5728IMC\u5c64\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6709\u7591\u554f\uff1f\u4e0d\u662f\u8aaaIMC\u5c64\u662f\u5f62\u6210\u826f\u597d\u710a\u932b\u7684\u5fc5\u8981\u689d\u4ef6\uff0c\u70ba\u4ec0\u9ebc\u710a\u932b\u65b7\u88c2\u7e3d\u767c\u751f\u5728IMC\u5c64\u5462\uff1f<\/font><\/p>\n<hr \/>\n<p><font size=\"4\"><strong>\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<\/strong><\/font><\/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=6837\"><font size=\"4\">\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<\/font><\/a><\/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=6870\"><font size=\"4\">\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<\/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>     <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><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,3,4],"tags":[47,48,208,157],"aioseo_notices":[],"views":9185,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/6834"}],"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=6834"}],"version-history":[{"count":2,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/6834\/revisions"}],"predecessor-version":[{"id":9804,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/6834\/revisions\/9804"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=6834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=6834"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=6834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}