{"id":4347,"date":"2016-05-04T08:26:00","date_gmt":"2016-05-04T00:26:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=4347"},"modified":"2024-06-11T10:50:40","modified_gmt":"2024-06-11T02:50:40","slug":"sn-bi-sn-bi-ag","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2016\/05\/sn-bi-sn-bi-ag\/","title":{"rendered":"\u710a\u63a5\u63a1\u7528\u7121\u925b\u4f4e\u6eab\u932b\u818fSnBi, SnBiAg\u7684\u76ee\u7684\uff1f"},"content":{"rendered":"

$\"\u710a\u63a5\u63a1\u7528\u7121\u925b\u4f4e\u6eab\u932b\u818fSnBi,$ <\/font><\/p>\n

\u7121\u925b\u4f4e\u6eab\u932b\u818f(LTS, Low Temperature Solder)<\/a>\u7684\u5408\u91d1\u6210\u4efd\u88e1\u9664\u4e86\u6709\u932b(Sn)\u91d1\u5c6c\u4e4b\u5916\uff0c\u901a\u5e38\u90fd\u542b\u6709\u300c<\/font>\u924d(Bi)<\/font><\/strong>\u300d\u91d1\u5c6c\u4f86\u964d\u4f4e\u5176\u5171\u7194\u9ede(eutectic point)\u3002<\/font><\/p>\n

\u76ee\u524d\u5e02\u9762\u4e0a\u901a\u7528\u7684\u7121\u925b\u932b\u818fSAC305\u7684\u7194\u9ede\u70ba217\u00b0C\uff0c\u4f46\u662f\u542b\u924d\u7684\u932b\u818fSn64Bi35Ag1\u7684\u7194\u9ede\u5247\u53ea\u6709178\u00b0C\uff0c\u800cSn42Bi58\u7684\u7194\u9ede\u5247\u66f4\u4f4e\u5230\u53ea\u6709138\u00b0C\uff0c\u4e5f\u5c31\u662f\u8aaa\u542b\u300c\u924d(Bi)\u300d\u932b\u818f\u7684\u7194\u932b\u6eab\u5ea6\u786c\u662f\u6bd4SAC305\u7121\u925b\u932b\u818f\u4f4e\u4e8639\u00b0C\uff5e79\u00b0C\u5de6\u53f3\u3002<\/font><\/p>\n

\u4f4e\u6eab\u932b\u818f\u7684\u512a\u9ede\uff1a\u4f4e\u6eab\u914d\u5408\u6750\u6599\u7279\u6027<\/font><\/h2>\n
\u932b\u818f\u7194\u9ede\u964d\u4f4e\u7684\u6700\u5927\u512a\u9ede\u662f\u53ef\u4ee5\u89e3\u6c7a\u710a\u63a5\u6750\u6599\u8010\u6eab\u4e0d\u8db3\u7684\u6280\u8853\u554f\u984c<\/font><\/strong>\uff0c\u53e6\u5916\u4e5f\u53ef\u4ee5\u9054\u5230\u7bc0\u7701\u6210\u672c\u7684\u597d\u8655\uff0c\u56e0\u70ba\u56de\u710a\u7210\u6eab\u4e0d\u7528\u8abf\u592a\u9ad8\u5c31\u53ef\u4ee5\u710a\u63a5\uff0c\u9019\u7b26\u5408\u73fe\u5728\u74b0\u4fdd\u611b\u5730\u7403\u4f4e\u78b3\u7684\u4f01\u696d\u6587\u5316\u9700\u6c42\uff0c\u800c\u6700\u5e38\u4f7f\u7528\u7684\u5c0d\u8c61\u61c9\u8a72\u662fFPC\u6216\u662fLED\u71c8\u689d\u710a\u63a5\u5427\uff01<\/font><\/p>\n
\u5c31\u50cf\u5de5\u4f5c\u718a\u4e4b\u524d\u78b0\u5230RD\u8981\u6c42\u8981\u7528\u4e00\u689d\u4e09\u5c64\u7dda\u8def(3-layers)\u7684FPC\u88fd\u4f5cHotBar\u710a\u63a5<\/a>\uff0c\u800c\u4e14FPC\u53ea\u80fd\u55ae\u9762\u6709\u710a\u588a(pad)\u9084\u6c92\u6709\u5c0e\u901a\u5b54\uff0c\u9019\u9ebc\u4e00\u4f86HotBar\u7684\u71b1\u58d3\u982d(Thermodes)\u71b1\u91cf\u7121\u6cd5\u7d93\u7531\u76f4\u63a5\u63a5\u89f8\u5230FPC\u53caPCB\u7684\u710a\u588a\u6216\u662f\u900f\u904e\u5c0e\u901a\u5b54\u4f86\u6709\u6548\u5c0e\u71b1\u4ee5\u878d\u5316\u92b2\u932b\uff0c\u71b1\u58d3\u982d\u7684\u71b1\u91cf\u5c31\u5fc5\u9808\u8981\u900f\u904e\u4e09\u5c64\u7684FPC\u5f8c\u624d\u80fd\u5c0e\u71b1\u5230\u710a\u932b\u9762\uff0c\u53ef\u4ee5\u60f3\u898b\u5176\u71b1\u80fd\u7d2f\u7a4d\u7684\u7a0b\u5ea6\u4e4b\u5927\uff0c\u56e0\u70ba\u64d4\u5fc3HotBar\u7684\u71b1\u91cf\u592a\u9ad8\u6216\u52a0\u71b1\u592a\u4e45\u9020\u6210FPC\u71d2\u7126\u7684\u554f\u984c\uff0c\u5176\u5be6\u66f4\u64d4\u5fc3\u6703\u9020\u6210\u65e5\u5f8c\u54c1\u8cea\u4fe1\u8cf4\u5ea6\u7684\u554f\u984c\uff0c\u6240\u4ee5\u5f8c\u4f86\u6211\u5011\u6539\u63a1\u300c<\/font>\u7121\u925b\u4f4e\u6eab\u932b\u818f<\/font>\u300d\u4f86\u89e3\u6c7aFPC\u71d2\u7126\u554f\u984c\u3002<\/font><\/font><\/p>\n
<\/font> <\/p>\n
\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>\u4f4e\u6eab\u932b\u818f\u88fd\u4f5cHotBar\u710a\u63a5\u7684\u53ef\u884c\u6027\u8a55\u4f30<\/font><\/a><\/font><\/p>\n<\/blockquote>\n
<\/p>\n
\u4f4e\u6eab\u932b\u818f\u7684\u7f3a\u9ede\uff1a\u710a\u932b\u5f37\u5ea6\u5dee<\/font><\/font><\/h2>\n
\u4e0d\u904e\u4f4e\u6eab\u932b\u818f(LTS)\u7684\u7f3a\u9ede\u4e5f\u5f88\u660e\u986f\uff0c\u5c31\u662f\u5176\u710a\u932b\u5f37\u5ea6\u6703\u8b8a\u5dee\uff0c\u6bd4SAC\u53ca\u932b\u925b\u932b\u818f\u90fd\u4f86\u5f97\u5dee\uff0c\u4e5f\u5c31\u662f\u710a\u9ede\u6bd4\u8f03\u5bb9\u6613\u56e0\u5916\u529b\u5f71\u97ff\u800c\u767c\u751f\u65b7\u88c2\uff0c\u6240\u4ee5PCBA\u710a\u63a5\u5f8c\u7684\u5206\u677f(de-panel)<\/a>\u5343\u842c\u5225\u7528\u624b\u63b0\u65b7\uff0c\u66f4\u4e0d\u5efa\u8b70\u4f7f\u7528 \u90f5\u7968\u5b54<\/a>\u7684\u8a2d\u8a08\u4f86\u53bb\u677f\u908a\uff1b\u53e6\u5916\uff0c\u56de\u710a\u5f8c\u7684\u51b7\u537b\u901f\u5ea6\u4e5f\u4e0d\u5efa\u8b70\u592a\u5feb\uff0c\u5426\u5247\u5bb9\u6613\u767c\u751f\u710a\u9ede\u8106\u5316\u7684\u554f\u984c\u3002<\/font><\/p>\n
\u5176\u6b21\uff0c\u56e0\u70ba\u4f4e\u6eab\u932b\u818f\u4e26\u975e\u5e02\u5834\u4e3b\u6d41\uff0c\u6240\u4ee5\u4ea4\u671f\u3001\u5eab\u5b58\u7ba1\u7406\u3001\u907f\u514d\u6df7\u6599\u90fd\u5f97\u514b\u670d\u624d\u884c\u3002<\/font><\/p>\n
Ag\u662fSnBi\u8207SnBiAg\u7684\u552f\u4e00\u5dee\u7570<\/font><\/font><\/h2>\n
\u81f3\u65bcSnBi\u8207SnBiAg\u7684\u5dee\u7570\uff0c\u5c31\u51fa\u5728Ag(\u9280)\u7684\u8eab\u4e0a\uff0c\u4e00\u822c\u4f86\u8aaa\u932b\u818f\u4e2d\u52a0\u5165\u300c\u9280\u300d\u662f\u70ba\u4e86\u6539\u5584\u6f64\u6fd5\u6027\u3001\u52a0\u5f37\u710a\u9ede\u5f37\u5ea6\u8207\u63d0\u6607\u6297\u75b2\u52de\u6027\uff0c\u6709\u5229\u7522\u54c1\u901a\u904e\u51b7\u71b1\u5faa\u74b0\u6e2c\u8a66\uff0c\u4f46\u542b\u9280\u91cf\u5982\u679c\u592a\u591a\u53cd\u800c\u6703\u589e\u52a0\u8106\u6027\uff0c\u6240\u4ee5\u76ee\u524d\u666e\u904d\u4f7f\u7528\u7684\u932b\u818f\u4e2d\u542b\u9280\u6700\u591a\u7684\u4e0d\u6703\u8d85\u904e3%\u3002<\/font><\/p>\n
\n
\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font><\/p>\n
\n
\u5982\u4f55\u6311\u9078\u932b\u818f (Solder paste selection)<\/font><\/a><\/font><\/li>\n
\u4ecb\u7d39\u8a8d\u8b58\u3010\u932b\u818f(solder paste)\u3011\u7684\u57fa\u672c\u77e5\u8b58<\/font><\/a><\/li>\n
\u96fb\u5b50\u5de5\u696d\u4e2d\u96f6\u4ef6\u6216\u96fb\u8def\u677f\u934d\u93b3(Ni)\u7684\u76ee\u7684\u4f55\u5728\uff1f<\/font><\/a><\/li>\n
\u932b\u818f\u4e2d\u6dfb\u52a0\u9285\u9280\u92c5\u92bb\u924d\u92a6\u7b49\u5fae\u91cf\u91d1\u5c6c\u7684\u76ee\u7684\u70ba\u4f55\uff1f<\/font><\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
\u7121\u925b\u4f4e\u6eab\u932b\u818f(LTS, Low Temperat …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,192,136],"tags":[218,75],"aioseo_notices":[],"views":25569,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/4347"}],"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=4347"}],"version-history":[{"count":4,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/4347\/revisions"}],"predecessor-version":[{"id":11280,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/4347\/revisions\/11280"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=4347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=4347"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=4347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}