{"id":726,"date":"2010-11-18T15:59:36","date_gmt":"2010-11-18T07:59:36","guid":{"rendered":"\/\/m.letratesoro.com\/2010\/11\/sir-measurement-for-pcb\/"},"modified":"2019-11-15T14:01:30","modified_gmt":"2019-11-15T06:01:30","slug":"sir-measurement-for-pcb","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2010\/11\/sir-measurement-for-pcb\/","title":{"rendered":"\u96fb\u8def\u677f\u7684\u8868\u9762\u7d55\u7de3\u96fb\u963b(SIR)\u91cf\u6e2c"},"content":{"rendered":"

SIR (Surface Insulation Resistance) \u901a\u5e38\u7528\u4f86\u4f5c\u96fb\u8def\u677f\u7684\u4fe1\u8cf4\u6027\u8a66\u9a57\uff0c\u5176\u65b9\u6cd5\u70ba\u5728\u5370\u5237\u96fb\u8def\u677f(PCB)\u4e0a\u5c07\u6210\u5c0d\u7684\u96fb\u6975\u4ea4\u932f\u9023\u63a5\u6210\u68b3\u5f62\u96fb\u8def(Pattern)\uff0c\u4e26\u5370\u4e0a\u932b\u818f(solder paste)\uff0c\u7136\u5f8c\u5728\u4e00\u5b9a\u9ad8\u6eab\u9ad8\u6fd5\u7684\u74b0\u5883\u4e0b\u6301\u7e8c\u5730\u7d66\u4e88\u4e00\u5b9a\u504f\u58d3(BIAS VOLTAGE)\uff0c\u7d93\u904e\u4e00\u5b9a\u9577\u6642\u9593\u7684\u8a66\u9a57(24H,48H,96H,168H)\u4e26\u89c0\u5bdf\u7dda\u8def\u9593\u662f\u5426\u6709\u77ac\u9593\u77ed\u8def\u6216\u51fa\u73fe\u7d55\u7de3\u5931\u6548\u7684\u7de9\u6162\u6f0f\u96fb\u60c5\u5f62\u767c\u751f\u3002<\/font><\/p>\n

\u9019\u500b\u8a66\u9a57\u4e5f\u6709\u52a9\u770b\u51fa\u932b\u818f\u4e2d\u7684\u52a9\u710a\u5291\u6216\u5176\u4ed6\u5316\u5b78\u7269\u54c1\u5728PCB\u677f\u9762\u4e0a\u662f\u5426\u6709\u6b98\u7559\u4efb\u4f55\u6703\u5f71\u97ff\u96fb\u5b50\u96f6\u4ef6\u96fb\u6c23\u7279\u6027\u7684\u7269\u8cea\u3002\u4e00\u822c\u6211\u5011\u4f7f\u7528\u9019\u500b\u65b9\u6cd5\u4f86\u91cf\u6e2c\u975c\u614b\u7684\u8868\u9762\u7d55\u7de3\u96fb\u963b(SIR)<\/font><\/strong>\u8207\u52d5\u614b\u7684\u96e2\u5b50\u9077\u79fb\u73fe\u8c61(ION MIGRATION)<\/font><\/strong>\uff0c\u53e6\u5916\uff0c\u5b83\u4e5f\u53ef\u4ee5\u62ff\u4f86\u4f5c CAF(Conductive Anodic Filament\uff0c\u5c0e\u96fb\u6027\u7d30\u7d72\u7269\uff0c\u967d\u6975\u6027\u73bb\u7e96\u7e96\u7dad\u4e4b\u6f0f\u96fb\u73fe\u8c61<\/font><\/a>)\u8a66\u9a57\u3002<\/font><\/p>\n

\n

\u8a3b\uff1aCAF\u4e3b\u8981\u5728\u6e2c\u8a66\u52a9\u710a\u5291\u5c0dPCB\u677f\u5438\u6fd5\u6027\u53ca\u73bb\u7483\u7e96\u7dad\u8868\u9762\u5206\u96e2\u7684\u5f71\u97ff\u3002<\/font><\/p>\n

\u5ef6\u4f38\u95b1\u8b80\uff1a\u96fb\u8def\u677f\u5167\u5c64\u5fae\u77ed\u8def\u73fe\u8c61(CAF,Conductive Anodic Filament)<\/a><\/font><\/p>\n<\/blockquote>\n

<\/p>\n

\u8868\u9762\u7d55\u7de3\u96fb\u963b(SIR)\u88ab\u5ee3\u6cdb\u7528\u4f86\u8a55\u4f30\u6c61\u67d3\u7269\u5c0d\u7d44\u88dd\u4ef6\u53ef\u9760\u5ea6\u7684\u5f71\u97ff<\/span>\u3002\u8ddf\u5176\u4ed6\u65b9\u6cd5\u76f8\u6bd4\uff0cSIR\u7684\u512a\u9ede\u9664\u4e86\u53ef\u5075\u6e2c\u5c40\u90e8\u7684\u6c61\u67d3\u5916\uff0c\u4e5f\u53ef\u4ee5\u6e2c\u5f97\u96e2\u5b50\u53ca\u975e\u96e2\u5b50\u6c61\u67d3\u7269\u5c0d\u5370\u5237\u96fb\u8def\u677f(PCB)\u53ef\u9760\u5ea6\u7684\u5f71\u97ff\uff0c\u5176\u6548\u679c\u9060\u6bd4\u5176\u4ed6\u65b9\u6cd5(\u5982\u6e05\u6f54\u5ea6\u8a66\u9a57\u3001\u927b\u9178\u9280\u8a66\u9a57…\u7b49)\u4f86\u7684\u6709\u6548\u53ca\u65b9\u4fbf\u3002<\/font><\/p>\n

\u7531\u65bc\u73fe\u5728\u7684\u96fb\u8def\u677f\u4f48\u7dda\u8d8a\u4f86\u8d8a\u5bc6\uff0c\u710a\u9ede\u8207\u710a\u9ede\u4e5f\u8d8a\u4f86\u8d8a\u8fd1\uff0c\u6240\u4ee5\u9019\u9805\u5be6\u9a57\u4e5f\u53ef\u4f5c\u70ba\u932b\u818f\u52a9\u710a\u5291\u7684\u53ef\u7528\u6027\u8a55\u4f30\u53c3\u8003\u3002<\/font><\/p>\n

Comb Pattern,\u68b3\u5f62\u96fb\u8def\u662f\u4e00\u7a2e\u300c\u591a\u6307\u72c0\u300d\u4e92\u76f8\u4ea4\u932f\u7684\u5bc6\u96c6\u7dda\u8def\u5716\u5f62\uff0c\u53ef\u7528\u5728\u677f\u9762\u6e05\u6f54\u5ea6\u3001\u7da0\u6f06\u7d55\u7de3\u6027\u7b49\u9032\u884c\u9ad8\u96fb\u58d3\u6e2c\u8a66\u7684\u4e00\u7a2e\u7279\u6b8a\u7dda\u8def\u5716\u5f62\u3002 <\/font><\/p>\n

SIR \u91cf\u6e2c\u6a19\u6e96\uff1aIPC-TM-650<\/strong><\/font><\/p>\n

\u25bcSIR\u5be6\u9a57\u7528\u7684\u6e2c\u8a66\u677f\uff0c\u4e00\u7247\u677f\u5b50\u6709\u56db\u7d44\u6210\u5c0d\u7684\u96fb\u6975\u4ea4\u932f\u9023\u63a5\u6210\u68b3\u5f62\u5716\u6848(Pattern)<\/font>
\"SIR_test_board01\" <\/font><\/p>\n

\u25bc\u55ae\u7368\u628a\u4e00\u7d44SIR\u5be6\u9a57\u7528\u6210\u5c0d\u7684\u96fb\u6975\u4ea4\u932f\u9023\u63a5\u6210\u68b3\u5f62\u5716\u6848(Pattern)\u653e\u5927\u5716<\/font>
<\/font>\"SIR_test_board02\" <\/font><\/p>\n

\u91cf\u6e2cSIR\u6642\u8981\u5728\u68b3\u5f62\u5716\u6848(Pattern)\u4e0a\u5370\u4e0a\u932b\u818f\uff0c\u7136\u5f8c\u5782\u76f4\u653e\u5165\u5df2\u5370\u6709\u932b\u818f\u7684SIR\u6e2c\u8a66\u677f\u4e26\u7f6e\u65bc\u74b0\u5883\u8a66\u9a57\u6a5f\u4e2d\uff0c\u9084\u8981\u5728\u5176\u6b63\u3001\u8ca0\u6975\u52a0\u4e0a 45~50VDC \u7684\u504f\u58d3\uff0c\u74b0\u5883\u5be6\u9a57\u7684\u689d\u4ef6\u5982\u4e0b\uff1a<\/font><\/p>\n

\n

85+\/-2\u2103 + 20%RH 3\u5c0f\u6642
\u2193 \u81f3\u5c1115\u5206\u9418
85+\/-2\u2103 + 85%RH \u81f3\u5c111\u5c0f\u6642\u5f8c\u958b\u59cb\u52a0 50VDC \u504f\u58d3
\u2193 24\u5c0f\u6642\u5f8c\u7528 100VDC \u91cf\u6e2c SIR \u503c
\u2193 \u518d24\u5c0f\u6642\u5f8c\u7528 100VDC \u518d\u91cf\u6e2c SIR \u503c (\u517148\u5c0f\u6642)
\u2193 \u518d48\u5c0f\u6642\u5f8c\u7528 100VDC \u518d\u91cf\u6e2c SIR \u503c (\u517196\u5c0f\u6642)
\u2193 \u518d96\u5c0f\u6642\u5f8c\u7528 100VDC \u518d\u91cf\u6e2c SIR \u503c (\u5171168\u5c0f\u6642)<\/font><\/p>\n<\/blockquote>\n

\u6bcf\u9694\u4e00\u6bb5\u6642\u9593\u7d00\u9304SIR\u7684\u8b8a\u5316\u3002<\/font><\/p>\n

\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>\u96fb\u8def\u677f\u8868\u9762\u7d55\u7de3\u96fb\u963b(SIR)\u8207\u722c\u932b\u80fd\u529b<\/font><\/a><\/p>\n

\n

\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>
\u5982\u4f55\u6311\u9078\u932b\u818f (Solder paste selection)<\/font><\/a>
\u8b93\u901a\u5b54\u5143\u4ef6\/\u50b3\u7d71\u63d2\u4ef6\u4e5f\u8d70\u8ff4\u710a\u7210\u88fd\u7a0b(paste-in-hole)<\/font><\/a>
SMT\u56de\u6d41\u710a\u7684\u6eab\u5ea6\u66f2\u7dda(Reflow Profile)\u89e3\u8aaa\u8207\u6ce8\u610f\u4e8b\u9805<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

SIR (Surface Insulation …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[166],"aioseo_notices":[],"views":31569,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/726"}],"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=726"}],"version-history":[{"count":0,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/726\/revisions"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=726"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}