{"id":6933,"date":"2018-04-02T08:26:00","date_gmt":"2018-04-02T00:26:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=6933"},"modified":"2019-02-28T20:36:57","modified_gmt":"2019-02-28T12:36:57","slug":"cu-ni-base-pcb","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2018\/04\/cu-ni-base-pcb\/","title":{"rendered":"\u4f55\u8b02\u300c\u9285\u300d\u57fa\u5730\u8207\u300c\u93b3\u300d\u57fa\u5730\u96fb\u8def\u677f(PCB)\uff1f"},"content":{"rendered":"

<\/font><\/p>\n

\u6709\u5728\u95dc\u5fc3\u5de5\u4f5c\u718a\u9019\u500b\u90e8\u843d\u683c\u7684\u670b\u53cb\u61c9\u8a72\u7d93\u5e38\u807d\u5230\u5de5\u4f5c\u718a\u8ac7\u8ad6<\/font>\u300c\u9285\u300d\u57fa\u5730<\/font><\/strong>\u8207<\/font>\u300c\u93b3\u300d\u57fa\u5730<\/font><\/strong>\u96fb\u8def\u677f\u7684\u7a2e\u7a2e\u4ee5\u53ca\u5176\u512a\u7f3a\u9ede\uff0c\u4e0d\u904e\u5de5\u4f5c\u718a\u76f8\u4fe1\u9084\u662f\u6709\u8a31\u591a\u670b\u53cb\u5c0d\u65bc\u4ec0\u9ebc\u662f\u300c\u9285\u300d\u57fa\u5730\u8207\u300c\u93b3\u300d\u57fa\u5730\u96fb\u8def\u677f\u4e0d\u662f\u5f88\u4e86\u89e3\u3002\u672c\u6587\u6703\u5c31\u662f\u4f86\u89e3\u91cb\u4ec0\u9ebc\u662f\u300c\u9285\u300d\u57fa\u5730\u8207\u300c\u93b3\u300d\u57fa\u5730PCB\u4f86\u7684\u3002<\/font><\/p>\n

\u5176\u5be6\uff0c\u6240\u8b02\u7684\u300c\u9285\u300d\u57fa\u5730\u96fb\u8def\u677f\uff0c\u5c31\u662f\u4e0d\u8ad6PCB\u70ba\u4f55\u7a2e\u8868\u9762\u8655\u7406\uff0c\u6700\u5f8c\u5f62\u6210\u710a\u932b\u7684\u6642\u5019\u53ea\u6709\u300c\u9285\u300d\u6703\u8ddf\u932b\u818f\u4e2d\u7684\u300c\u932b\u300d\u8d77\u53cd\u61c9\uff0c\u751f\u6210\u9285\u932bIMC\u5316\u5408\u7269Cu6<\/sub>Sn5<\/sub>\u3002\u800c\u300c\u93b3\u300d\u57fa\u5730\u5247\u662f\u300c\u93b3\u300d\u6703\u8ddf\u932b\u818f\u4e2d\u7684\u300c\u932b\u300d\u8d77\u53cd\u61c9\uff0c\u751f\u6210\u93b3\u932bIMC\u5316\u5408\u7269Ni3<\/sub>Sn4<\/sub>\u3002<\/font><\/p>\n

\u5efa\u8b70\u5ef6\u4f38\u95b1\u8b80\uff1a\u4f55\u8b02IMC (Intermetallic Compound)\uff1fIMC\u8207PCB\u710a\u63a5\u5f37\u5ea6\u6709\u4f55\u95dc\u4fc2\uff1f<\/a><\/font><\/p>\n

<\/p>\n

\u4e0b\u9762\u6211\u5011\u5c31\u4f86\u770b\u770b\u9019\u4e9b\u8868\u9762\u8655\u7406\u7684\u96fb\u8def\u677f\u70ba\u300c\u9285\u300d\u57fa\u5730\u6216\u300c\u93b3\u300d\u57fa\u5730\uff1f<\/strong><\/font><\/p>\n

OSP (Organic Solderability Preservative\uff0c\u6709\u6a5f\u4fdd\u710a\u819c )<\/font><\/strong> <\/font><\/p>\n

\n

OSP<\/font>\u662f\u5229\u7528\u5316\u5b78\u65b9\u5f0f\u5728\u9285\u7684\u8868\u9762\u9577\u51fa\u4e00\u5c64\u6709\u6a5f\u8b77\u9285\u5291\u3002\u9019\u5c64\u6709\u6a5f\u8b77\u9285\u5291\u5728\u9ad8\u6eab\u4e0b\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u88ab\u52a9\u710a\u5291\u8fc5\u901f\u6e05\u9664\u4e26\u9732\u51fa\u6f54\u6de8\u7684\u9285\u9762\u8207\u932b\u818f\u5f62\u6210\u710a\u63a5\uff0c\u6240\u4ee5\u771f\u6b63\u5f62\u6210IMC\u7684\u662f\u932b\u818f\u7684\u300c\u932b\u300d\u8207PCB\u4e0a\u7684\u300c\u9285\u300d\u3002\u6240\u4ee5OSP\u662f\u300c\u9285\u300d\u57fa\u5730\u96fb\u8def\u677f\u3002<\/font><\/font><\/font><\/p>\n<\/blockquote>\n

HASL (Hot Air Solder Leveling\uff0c\u71b1\u98a8\u710a\u932b\u6574\u5e73\uff0c\u5674\u932b\u677f)<\/strong><\/font><\/p>\n

\n

HASL\u662f\u5728\u9285\u7b94\u7684\u8868\u9762\u5674\u4e0a\u4e00\u5c64\u932b\u4f86\u4fdd\u8b77\u9285\u7b94\uff0c\u7136\u5f8c\u7528\u71b1\u98a8\u5f62\u6210\u98a8\u5200\u4f86\u6574\u5e73\u932b\u9762\u3002\u56e0\u70ba\u932b\u818f\u672c\u8eab\u5c31\u662f\u4ee5\u932b\u70ba\u57fa\u790e\u7684\u6df7\u5408\u7269\uff0c\u710a\u932b\u7684\u6642\u5019\u932b\u818f\u8207HASL\u7684\u932b\u6703\u4e92\u76f8\u878d\u5408\u5728\u4e00\u8d77\uff0c\u800c\u6700\u5f8c\u6703\u8207\u932b\u5f62\u6210IMC\u7684\u9084\u662fPCB\u4e0a\u7684\u300c\u9285\u300d\u7b94\u3002\u6240\u4ee5HASL\u4e5f\u662f\u300c\u9285\u300d\u57fa\u5730\u96fb\u8def\u677f\u3002<\/font><\/font><\/font><\/font><\/p>\n<\/blockquote>\n

ImSn (Immersion Tin\uff0c\u5316\u932b)<\/strong><\/font><\/p>\n

\n

ImSn\u53ea\u662f\u5728\u9285\u7b94\u7684\u8868\u9762\u7528\u5316\u5b78\u7684\u65b9\u5f0f\u5857\u5e03\u92ea\u4e0a\u4e00\u5c64\u300c\u932b\u300d\uff0c\u65e2\u7136\u90fd\u662f\u932b\u7684\u5857\u5c64\uff0c\u6240\u4ee5\u5176\u7d50\u679c\u8207HASL\u4e00\u6a23\u6700\u5f8c\u771f\u6b63\u5f62\u6210IMC\u7684\u9084\u662f\u932b\u818f\u7684\u300c\u932b\u300d\u8207PCB\u4e0a\u7684\u300c\u9285\u300d\u3002\u6240\u4ee5ImSn\u4e5f\u662f\u300c\u9285\u300d\u57fa\u5730\u96fb\u8def\u677f\u3002<\/font><\/font><\/font><\/font><\/p>\n<\/blockquote>\n

ENIG (Electroless Nickel Immersion Gold\uff0c\u7121\u96fb\u934d\u93b3\u6d78\u91d1)<\/strong><\/font><\/p>\n

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ENIG\u5247\u662f\u5229\u7528\u5316\u5b78\u65b9\u6cd5\u5728\u9285\u7b94\u7684\u8868\u9762\u5148\u5857\u5e03\u4e0a\u4e00\u5c64\u300c\u93b3\u300d\uff0c\u7136\u5f8c\u518d\u5857\u5e03\u4e0a\u4e00\u5c64\u300c\u91d1\u300d\uff0c\u300c\u91d1\u300d\u5728ENIG\u96fb\u8def\u677f\u7684\u4f5c\u7528\u53ea\u662f\u5728\u4fdd\u8b77\u93b3\u5c64\u4e0d\u81f3\u65bc\u8207\u7a7a\u6c23\u63a5\u89f8\u800c\u6c27\u5316\u5f71\u97ff\u5230\u4e4b\u5f8c\u7684\u710a\u932b\u54c1\u8cea\uff0c\u5728\u710a\u932b\u904e\u7a0b\u4e2d\uff0c\u91d1\u6703\u8fc5\u901f\u5730\u6eb6\u89e3\u5230\u932b\u818f\u4e4b\u4e2d\uff0c\u800c\u6700\u5f8c\u8207\u932b\u818f\u5f62\u6210IMC\u7684\u5247\u662f\u300c\u93b3\u300d\u3002\u6240\u4ee5ENIG\u662f\u300c\u93b3\u300d\u57fa\u5730\u96fb\u8def\u677f\u3002<\/font><\/font><\/font><\/font><\/p>\n

\u76f8\u95dc\u5ef6\u4f38\u95b1\u8b80\uff1a
<\/font>ENIG\u8868\u9762\u8655\u7406\u662f\u4ec0\u9ebc\u96fb\u8def\u677f\uff1f\u6709\u4f55\u512a\u7f3a\u9ede\uff1f<\/font><\/a>
\u96fb\u5b50\u5de5\u696d\u4e2d\u96f6\u4ef6\u6216\u96fb\u8def\u677f\u934d\u93b3(Ni)\u7684\u76ee\u7684\u4f55\u5728\uff1f<\/font><\/a><\/p>\n<\/blockquote>\n

\n

\u66f4\u591a\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>
PCB\u540d\u8a5e\u89e3\u91cb\uff1a\u901a\u5b54\u3001\u76f2\u5b54\u3001\u57cb\u5b54<\/font><\/a>
\u6574\u7406\u5e7e\u7a2e\u5e38\u898bPCB\u8868\u9762\u8655\u7406\u7684\u512a\u7f3a\u9ede<\/font><\/a>
\u4f55\u8b02\u786c\u91d1\u3001\u8edf\u91d1\u3001\u96fb\u934d\u91d1\u3001\u5316\u91d1\u3001\u9583\u91d1\uff1f<\/font><\/a>
PCB\u9285\u7b94\u539a\u5ea6\u3001\u7dda\u5bec\u8207\u6700\u5927\u8ca0\u8f09\u96fb\u6d41\u9593\u7684\u95dc\u4fc2<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6709\u5728\u95dc\u5fc3\u5de5\u4f5c\u718a\u9019\u500b\u90e8\u843d\u683c\u7684\u670b\u53cb\u61c9\u8a72\u7d93\u5e38\u807d\u5230\u5de5\u4f5c\u718a …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,4],"tags":[169,132,185,172],"aioseo_notices":[],"views":12046,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/6933"}],"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=6933"}],"version-history":[{"count":0,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/6933\/revisions"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=6933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=6933"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=6933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}