{"id":10630,"date":"2023-04-19T08:17:00","date_gmt":"2023-04-19T00:17:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=10630"},"modified":"2023-04-19T09:42:40","modified_gmt":"2023-04-19T01:42:40","slug":"bga-solder-paste","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2023\/04\/bga-solder-paste\/","title":{"rendered":"\u65b0\u624b\u63d0\u554f\uff1aBGA\u5df2\u6709\u932b\u7403\u70ba\u4f55SMT\u56de\u6d41\u710a\u63a5\u4ecd\u9700\u5370\u5237\u932b\u818f\uff1fBGA\u7dad\u4fee\u4e5f\u9700\u8981\u5370\u5237\u932b\u818f\u55ce\uff1f"},"content":{"rendered":"<p align=\"justify\"><font size=\"4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2020\/04\/BGA%E6%A4%8D%E7%90%83%E5%99%A8.jpg\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u96fb\u5b50\u88fd\u9020\u7d44\u88dd\u7684\u65b0\u624b\u63d0\u554f\uff1aBGA\u672c\u9ad4\u4e0a\u4e0d\u662f\u5df2\u7d93\u6709\u932b\u7403\u4e86\uff0c\u70ba\u4f55SMT\u751f\u7522\u6642\u9084\u9700\u8981\u5728PCB\u7684\u710a\u588a\u4e0a<a title=\"\u5982\u4f55\u5c07\u932b\u818f\u5370\u5237\u65bc\u96fb\u8def\u677f(solder paste printing)\u8207\u5f71\u97ff\u932b\u818f\u5370\u5237\u54c1\u8cea\u7684\u56e0\u7d20\" href=\"\/\/m.letratesoro.com\/2011\/08\/solder-paste-printing\/\" target=\"_blank\" rel=\"noopener\">\u5370\u5237\u932b\u818f<\/a>\u624d\u80fd\u710a\u63a5\u5462\uff1fBGA\u7dad\u4fee\u6642\u9700\u8981\u5370\u5237\u932b\u818f\u55ce\uff1fBGA\u5468\u906d\u5df2\u7d93\u6709\u5176\u5b83\u7684\u96fb\u5b50\u96f6\u4ef6\u4e86\u53c8\u8a72\u5982\u4f55\u5728BGA\u5c0d\u61c9\u7684\u710a\u588a\u4e0a\u5370\u932b\u818f\u5462\uff1f<\/font><\/p>\n<p><!--more--><\/p>\n<h2><font style=\"font-weight: bold;\" color=\"#0000ff\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u63d0\u554f\u4e00\u3001BGA\u672c\u9ad4\u4e0a\u5df2\u7d93\u6709\u932b\u7403\u4e86\uff0c\u70ba\u4f55\u9084\u9700\u8981\u5728PCB\u4e0a\u5370\u5237\u932b\u818f\u5462\uff1f<\/font><\/h2>\n<p align=\"justify\"><font size=\"4\">\u9019\u500b\u554f\u984c\u8981\u770b\u5b83\u662f\u8fd4\u4fee(repair)\/\u91cd\u5de5(rework)\u6216\u662f\u6b63\u5e38SMT\u751f\u7522\uff0c\u6b63\u5e38\u751f\u7522\u90fd\u662f\u6d41\u6c34\u7dda\uff0cPCB\u6703\u5728\u8f38\u9001\u5e36\u4e4b\u9593\u50b3\u9001\uff0c\u800c\u4e14\u5728\u8cbc\u7247\u6253\u4ef6\u6642\u677f\u5b50\u53ef\u80fd\u6703\u5feb\u901f\u79fb\u52d5\uff0c\u9ecf\u7a20\u7684\u818f\u72c0<a title=\"\u6df1\u5165\u4e86\u89e3\u932b\u818f(solder paste)\u53ca\u52a9\u710a\u5291(flux)\u7d44\u6210\u5c0d\u96fb\u5b50\u7d44\u88dd\u7684\u54c1\u8cea\u5f71\u97ff\" href=\"\/\/m.letratesoro.com\/2013\/04\/solder-paste\/\" target=\"_blank\" rel=\"noopener\">\u932b\u818f<\/a>\u53ef\u4ee5\u8d77\u5230\u9810\u56fa\u5b9a\u96fb\u5b50\u96f6\u4ef6\u65bcPCB\u7684\u4f5c\u7528\uff0c\u4f7f\u96f6\u4ef6\u4e0d\u81f3\u65bc\u504f\u79fb\u539f\u4f86\u7684\u4f4d\u7f6e\u6216\u5f9ePCB\u4e0a\u6389\u843d\u3002\u5982\u679c\u662f\u4eba\u5de5\u4f5c\u696d\u7684\u8fd4\u4fee(repair)\u6216\u91cd\u5de5(rework)\uff0c\u56e0\u70ba\u4e0d\u592a\u9700\u8981\u79fb\u52d5PCB\uff0c\u6216\u662f\u53ef\u4ee5\u4eba\u70ba\u9810\u56fa\u5b9aBGA\u65bcPCB\uff0c\u5c31\u4e0d\u4e00\u5b9a\u9700\u8981\u7528\u5230\u932b\u818f\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<p align=\"justify\"><font size=\"4\">\u7576\u7136\uff0c\u932b\u818f\u9664\u4e86\u53ef\u4ee5\u8d77\u5230\u9810\u5148\u56fa\u5b9a\u96fb\u5b50\u96f6\u4ef6\u7684\u76ee\u7684\u5916\uff0c<font size=\"5\"><strong>BGA\u5370\u5237\u932b\u818f\u710a\u63a5\u9084\u6709\u4ee5\u4e0b\u7684\u512a\u9ede\uff1a<\/strong><\/font><\/font><\/p>\n<ul>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><em><font color=\"#9b00d3\">\u53ef\u4ee5\u63d0\u5347\u710a\u63a5\u7684\u6f64\u6fd5\u6027\u53ca\u710a\u63a5\u6548\u679c\u3002<\/font><\/em><\/strong>\u539f\u5247\u4e0aBGA\u7684\u932b\u7403\u5df2\u81f3\u5c11\u7d93\u904e\u4e00\u6b21<a title=\"SMT\u56de\u6d41\u710a\u7684\u6eab\u5ea6\u66f2\u7dda(Reflow Profile)\u89e3\u8aaa\u8207\u6ce8\u610f\u4e8b\u9805\" href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-profile\/\" target=\"_blank\" rel=\"noopener\">\u56de\u710a<\/a>\uff0c\u6240\u4ee5\u932b\u7403\u5167\u57fa\u672c\u4e0a\u5df2\u7d93\u6c92\u6709\u52a9\u710a\u5291\uff0c\u56e0\u70baBGA\u96f6\u4ef6\u5ee0\u7576\u521d\u5728\u5c07\u932b\u7403\u710a\u63a5\u5230BGA\u7684\u8f09\u677f\u4e0a\u6642\u5c31\u8d70\u904e\u4e86\u4e00\u6b21\u56de\u710a\u9ad8\u6eab\uff0c\u7576\u6211\u5011\u8981\u5c07BGA\u710a\u63a5\u5230PCB\u6642\u5982\u679c\u7f3a\u5c11\u4e86\u52a9\u710a\u5291\u53bb\u9664\u91d1\u5c6c\u8868\u9762\u6c27\u5316\u7269\u7684\u52a9\u710a\u6548\u679c\uff0c\u710a\u63a5\u7684\u6f64\u6fd5\u6027\u5c31\u6703\u5927\u6253\u6298\u6263\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><em><font color=\"#9b00d3\">\u53ef\u4ee5\u78ba\u4fdd\u710a\u932b\u54c1\u8cea\u53ca\u53ef\u9760\u5ea6\u3002<\/font><\/em><\/strong>BGA\u70ba\u7403\u67f5\u9663\u5217\u5c01\u88dd\uff0c\u4e5f\u5c31\u662f\u7531\u591a\u9846\u932b\u7403\u6240\u7d44\u6210\u7684\u9663\u5217\uff0c\u9019\u4e9b\u9663\u5217\u932b\u7403\u5728\u710a\u63a5\u7684\u6642\u5019\u5f7c\u6b64\u9593\u7684\u5171\u9762\u5ea6\u5982\u679c\u7121\u6cd5\u4fdd\u6301\u5b8c\u5168\u4e00\u81f4\u6027\uff0c\u5c07\u6703\u9020\u6210\u8f03\u5927\u5c3a\u5bf8\u932b\u7403\u6709\u710a\u63a5\u5230PCB\u7684\u710a\u588a\uff0c\u800c\u8f03\u5c0f\u5c3a\u5bf8\u932b\u7403\u7121\u6cd5\u6709\u6548\u63a5\u89f8\u5230PCB\u710a\u588a\u7684\u554f\u984c\uff0c\u6700\u7d42\u9020\u6210<a title=\"\u96fb\u8def\u677f\u4e0a\u5e38\u898b\u7684\u710a\u932b\u7f3a\u9ede\u4e2d\u82f1\u6587\u5c0d\u7167\u8207\u89e3\u91cb(\u7a7a\u710a\u3001\u51b7\u710a\u3001\u5047\u710a)\" href=\"\/\/m.letratesoro.com\/2011\/02\/soldering-defect-symptom\/\" target=\"_blank\" rel=\"noopener\">\u7a7a\u710a\u3001\u51b7\u710a\u3001\u5047\u710a<\/a>\u7b49\u7f3a\u9ede\uff0c\u800c\u932b\u818f\u5370\u5237\u7684\u539a\u5ea6\u5247\u53ef\u4ee5\u586b\u88dc\u932b\u7403\u9593\u53c3\u5dee\u4e0d\u9f4a\u7684\u9ad8\u5ea6\u5dee\uff0c\u9054\u5230\u6bcf\u9846\u932b\u7403\u90fd\u80fd\u710a\u63a5\u65bcPCB\u710a\u588a\u7684\u76ee\u7684\uff0c\u63d0\u5347BGA\u710a\u63a5\u7684\u54c1\u8cea\u8207\u53ef\u9760\u5ea6\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><em><font color=\"#9b00d3\">\u53ef\u4ee5\u78ba\u4fdd\u710a\u63a5\u7684\u4e00\u81f4\u6027\u3002<\/font><\/em><\/strong>\u56b4\u683c\u4f86\u8aaaBGA\u4e0a\u5df2\u7d93\u8d70\u904e\u4e00\u6b21\u56de\u710a\u7684\u932b\u7403\uff0c\u5176\u5be6\u969b\u7194\u9ede\u6703\u6bd4\u65b0\u9bae\u7684\u932b\u818f\u4f86\u5f97\u9ad8\u4e00\u9ede\u9ede\uff0c\u5176\u539f\u56e0\u6709\u53ef\u80fd\u662f\u91cd\u65b0\u878d\u7194\u904e\u7684\u710a\u6599\u647b\u5165\u4e86BGA\u710a\u588a\u4e0a\u7684\u8868\u9762\u91d1\u5c6c\uff0c\u9020\u6210\u5408\u91d1\u6210\u5206\u4e9b\u5fae\u6539\u8b8a\uff0c\u6bd4\u5982\u8aaa\u932b\u91d1\u6216\u932b\u9285\u6216\u932b\u9280IMC\u5316\u5408\u7269\u647b\u96dc\u65bc\u932b\u7403\u4e2d\uff0c\u5176\u6b21\u662f\u932b\u7403\u8868\u9762\u7f3a\u5c11\u4e86\u52a9\u710a\u5291\u7684\u4fdd\u8b77\uff0c\u5728\u5927\u6c23\u74b0\u5883\u4e0b\u64fa\u653e\u4e00\u6bb5\u6642\u9593\u5f8c\u5c31\u5bb9\u6613\u5728\u8868\u9762\u751f\u6210\u4e00\u5c64\u920d\u5316\u7684\u6c27\u5316\u932b\u8584\u819c\uff0c\u9019\u5c64\u8584\u819c\u5c07\u6703\u4f7f\u5f97\u932b\u7403\u7684\u8868\u9762\u80fd\u4e0b\u964d\uff0c\u4e5f\u6703\u963b\u7919\u710a\u63a5\uff0c\u56de\u710a\u6642\u5c31\u9700\u8981\u66f4\u9ad8\u7684\u6eab\u5ea6\u6216\u4f7f\u7528\u52a9\u710a\u5291\u4f86\u6e05\u9664\u6c27\u5316\u8584\u819c\uff0c\u9019\u4e5f\u662f\u70ba\u4f55\u932b\u818f\u4e2d\u9700\u8981\u6dfb\u52a0\u52a9\u710a\u5291\u7684\u76ee\u7684\u4e4b\u4e00\u3002           <br \/><\/font><\/p>\n<p><font size=\"4\">\uff08<strong><em><font color=\"#f79646\">\u88dc\u5145\u8aaa\u660e\uff1a<\/font><\/em><\/strong>\u7576\u878d\u7194\u7684\u6db2\u614b\u710a\u932b\u6c27\u5316\u5f8c\uff0c\u5176\u8868\u9762\u5f35\u529b\u5c07\u6703\u8b8a\u5927\uff0c\u4e00\u65e6\u6db2\u614b\u932b\u7684\u8868\u9762\u5f35\u529b\u5927\u65bcPCB\u8868\u9762\u8655\u7406\u91d1\u5c6c\u6216BGA\u932b\u7403\u7684\u8868\u9762\u80fd\u6642\uff0c\u5c31\u6703\u963b\u7919\u710a\u63a5\uff0c\u56de\u710a\u6642\u5c31\u9700\u8981\u66f4\u9ad8\u7684\u6eab\u5ea6\u624d\u80fd\u7834\u58de\u6c27\u5316\u932b\u7684\u8868\u9762\u5f35\u529b\u4ee5\u9032\u884c\u710a\u63a5\u3002\u5347\u9ad8\u6eab\u5ea6\u6703\u4f7f\u5f97\u932b\u6db2\u5206\u5b50\u66f4\u52a0\u7684\u6d3b\u8e8d\uff0c\u6e1b\u5c11\u5206\u5b50\u9593\u4f5c\u7528\u529b\uff0c\u9032\u800c\u964d\u4f4e\u6db2\u614b\u932b\u7684\u8868\u9762\u5f35\u529b\u3002\u6b64\u5916\uff0c\u52a0\u71b1\u4e5f\u53ef\u4ee5\u4fc3\u9032\u6c27\u5316\u7269\u7684\u5206\u89e3\uff0c\u5f9e\u800c\u964d\u4f4e\u6c27\u5316\u932b\u7684\u751f\u6210\uff0c\u9032\u4e00\u6b65\u964d\u4f4e\u6db2\u614b\u932b\u7684\u8868\u9762\u5f35\u529b\u3002\uff09<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>         <br \/><a href=\"\/\/m.letratesoro.com\/2016\/09\/sac305-2nd-reflow-temperature\/\" target=\"_blank\" rel=\"noopener\"><font size=\"4\">\u70ba\u4ec0\u9ebcSMT\u4e8c\u6b21\u56de\u710a\u6642\u7b2c\u4e00\u9762\u96f6\u4ef6\u4e0d\u6703\u6389\u843d\uff1f\u518d\u56de\u710a\u7194\u932b\u6eab\u5ea6\u6703\u5347\u9ad8?<\/font><\/a><\/p>\n<\/li>\n<\/ul>\n<h2><font style=\"font-weight: bold;\" color=\"#0000ff\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">\u63d0\u554f\u4e8c\u3001\u7dad\u4feeBGA\u6642\u9084\u9700\u8981\u5370\u5237\u932b\u818f\u55ce\uff1f\u8a72\u5982\u4f55\u5370\u932b\u818f\u5462\uff1f<\/font><\/h2>\n<p><font size=\"4\">\u7dad\u4fee\u6642\u70ba\u4e86\u78ba\u4fdd\u710a\u63a5\u7684\u6548\u679c\u8207\u54c1\u8cea\uff0c\u4e00\u822c\u6211\u5011\u9084\u662f\u6703\u5efa\u8b70\u5728BGA\u7684PCB\u710a\u588a\u4e0a\u5370\u5237\u932b\u818f\u4f86\u4f5c\u696d\u7684\uff0c\u7dad\u4fee\u6642\u56e0\u70baBGA\u96f6\u4ef6\u7684\u5468\u906d\u5df2\u7d93\u6709\u5176\u5b83\u7684\u96fb\u5b50\u96f6\u4ef6\u710a\u63a5\u5728PCB\u4e0a\u4e86\uff0c\u6240\u4ee5\u7121\u6cd5\u4f7f\u7528SMT\u4f5c\u696d\u7684\u6a19\u6e96\u92fc\u677f(stencil)\u4f86\u4f5c\u696d\uff0c\u800c\u6703\u7279\u88fd\u7b26\u5408BGA\u5c3a\u5bf8\u7684\u5c0f\u92fc\u677f\uff08\u53ef\u4ee5\u5728\u300c\u5ea6\u5a18\u300d\u4e0a\u641c\u5c0b\u3010BGA\u5c0f\u92fc\u7db2\u3011\u627e\u5716\u7247\uff09\u7528\u4eba\u5de5\u4f86\u5857\u62b9\u932b\u818f\uff0c\u7136\u5f8c\u52a0\u71b1\u56de\u710a\u3002<\/font><\/p>\n<p><font size=\"4\">\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>     <br \/><a href=\"\/\/m.letratesoro.com\/2020\/12\/bga-reball\/\"><font size=\"4\">\u4e00\u6587\u5f04\u61c2BGA\u5c01\u88dd\u6676\u7247(\u82af\u7247)\u690d\u7403\u7684\u65b9\u6cd5\u3001\u6b65\u9a5f\u53ca\u6ce8\u610f\u4e8b\u9805<\/font><\/a><\/p>\n<p><font size=\"4\">\u800c\u4e00\u822c<strong><font color=\"#9b00d3\">\u5916\u9762\u7684\u7dad\u4fee\u6280\u8853\u4eba\u54e1<\/font><\/strong>\u5247\u89ba\u5f97\u4eba\u5de5\u5370\u5237\u932b\u818f\u592a\u9ebb\u7169\u4e86\uff0c\u4ed6\u5011\u5927\u591a\u85dd\u9ad8\u4eba\u81bd\u5927\uff0c\u53cd\u6b63\u7522\u54c1\u4e5f\u4e0d\u662f\u81ea\u5df1\u7684\uff0c\u4fee\u58de\u4e86\u4e5f\u6c92\u591a\u5927\u95dc\u4fc2\uff0c\u53ea\u8981\u8ddf\u5ba2\u6236\u8aaa\u677f\u5b50\u58de\u4e86\u5c31\u53ef\u4ee5\u7d50\u6848\u3002<\/font><\/p>\n<p align=\"center\"><em><font 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