{"id":3612,"date":"2015-09-16T08:28:00","date_gmt":"2015-09-16T00:28:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=3612"},"modified":"2016-02-20T14:29:08","modified_gmt":"2016-02-20T06:29:08","slug":"soldermask-shift-bga-short","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2015\/09\/soldermask-shift-bga-short\/","title":{"rendered":"\u96fb\u8def\u677f\u7684\u9632\u710a\u5c64\u5370\u5237\u504f\u79fb\u6703\u9020\u6210BGA\u77ed\u8def\u55ce\uff1f"},"content":{"rendered":"

\"\u96fb\u8def\u677f\u7684\u9632\u710a\u5c64\u5370\u5237\u504f\u79fb\u6703\u9020\u6210BGA\u77ed\u8def\u55ce\uff1f\"<\/p>\n

\u516c\u53f8\u6700\u8fd1\u5728\u505a\u4e00\u500b\u65b0\u7684\u5c08\u6848\uff0cRD\u5c0d\u677f\u5b50Layout\u7684\u8981\u6c42\u662f\u8d8a\u4f86\u56b4\u82db\uff0c\u56e0\u70ba\u677f\u5b50\u8d8a\u505a\u8d8a\u5c0f\uff0c\u9023\u5e36\u7684\u5c0d\u9632\u710a(Solder Mask)\u5c3a\u5bf8\u7684\u8981\u6c42\u4e5f\u76f8\u5c0d\u7684\u7e2e\u5c0f\uff0c\u53ef\u662f\u5ee0\u5546\u7684\u88fd\u7a0b\u80fd\u529b\u53c8\u8ddf\u4e0d\u4e0a\u4f86\uff0c\u6709\u80fd\u529b\u7684\u8aaa\u8981\u52a0\u50f9(cost up)\uff0c\u4e00\u807d\u5230\u8981\u52a0\u9322\uff0c\u6240\u6709\u4eba\u90fd\u958b\u59cb\u7e2e\u624b\uff0c\u7e7c\u7e8c\u6cbf\u7528\u73fe\u6709PCB\u677f\u5ee0\u7684\u88fd\u7a0b\uff0c\u5176\u7d50\u679c\u5c31\u662f\u9632\u710a\u5c64\u5370\u5237\u504f\u79fb\u8d85\u51fa\u4e86<\/font>\u710a\u588a\/\u710a\u76e4\u3002<\/font><\/p>\n

\u9632\u710a\u5c64\u5370\u5237\u504f\u79fb\u6703\u9020\u6210\u4ec0\u9ebc\u554f\u984c\u5462\uff1f<\/font><\/strong><\/p>\n

\u5982\u679c\u662fBGA\u7684\u710a\u588a\/\u710a\u76e4\u504f\u79fb\uff0c\u5c31\u6703\u9020\u6210BGA\u932b\u7403\u7684\u710a\u588a\u8b8a\u5c0f\uff0c\u6700\u5f8c\u9020\u6210\u710a\u932b\u77ed\u8def(solder short)\uff0c\u600e\u9ebc\u710a\u588a\u8b8a\u5c0f\u53cd\u800c\u6703\u9020\u6210\u77ed\u8def\u5462\uff1f<\/font>\u539f\u4f86\u92fc\u677f(stencil)\u4e0a\u7684\u958b\u53e3\u662f\u56fa\u5b9a\u7684\uff0c\u4e5f\u5c31\u662f\u92fc\u677f\u4e0a\u540c\u4e00\u500b\u958b\u53e3\u7684\u932b\u818f\u91cf\u7406\u8ad6\u4e0a\u662f\u56fa\u5b9a\u7684\uff0c\u5982\u679c\u6bcf\u7247\u96fb\u8def\u677fBGA\u7684\u710a\u588a\u5927\u5c0f\u90fd\u4e00\u81f4\uff0c\u92fc\u677f\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u7684\u710a\u588a\u5927\u5c0f\u4f86\u7d66\u4e88\u9069\u7576\u7684\u958b\u53e3\u5927\u5c0f\u8207\u932b\u818f\u91cf\uff0c\u4f46\u5982\u679c\u4e0d\u540c\u6279\u96fb\u8def\u677f\uff0c\u6709\u7684\u710a\u588a\u7dad\u6301\u5728\u539f\u4f86\u7684\u5c3a\u5bf8\uff0c\u53ef\u662f\u6709\u7684\u677f\u5b50\u710a\u588a\u537b\u7e2e\u5c0f\u4e86\uff0c\u53ef\u662f\u932b\u818f\u91cf\u9084\u662f\u7dad\u6301\u4e00\u6a23\uff0c\u5c31\u6703\u8b8a\u6210\u932b\u818f\u904e\u591a\u9020\u6210\u6ea2\u6d41(overflow)\u7684\u73fe\u8c61<\/font>\uff0c\u56b4\u91cd\u6642\u5c31\u6703\u6ea2\u6d41\u5230\u9130\u8fd1\u7684\u710a\u588a\uff0c\u5f62\u6210\u710a\u932b\u77ed\u8def\u3002<\/font><\/font><\/p>\n

<\/p>\n

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

\u53ef\u662f\u710a\u588a(\u710a\u76e4)\u600e\u9ebc\u6703\u8b8a\u5c0f\u5462\uff1f<\/font><\/strong><\/p>\n

\u9019\u5c31\u597d\u50cf\u6234\u982d\u5957\u53ea\u9732\u51fa\u5169\u500b\u773c\u775b\u7684\u9053\u7406\u662f\u985e\u4f3c\u7684\uff0c\u5982\u679c\u982d\u5957\u6c92\u6709\u5957\u5230\u6b63\u78ba\u4f4d\u7f6e\uff0c\u7a0d\u5fae\u7d66\u5b83\u504f\u4e86\u4e00\u9ede\u9ede\uff0c\u773c\u775b\u5c31\u6703\u88ab\u982d\u5957\u7d66\u84cb\u5230\uff0c\u906e\u4f4f\u4e86\u534a\u9846\u773c\u775b\u3002\u773c\u775b\u53ef\u4ee5\u60f3\u50cf\u6210\u300c\u710a\u588a\u300d\uff0c\u800c\u9632\u710a\u5c64\u5c31\u662f\u300c\u982d\u5957\u300d\u4e86\u3002\u6216\u8a31\u6709\u4eba\u6587\u7ae0\u770b\u5230\u73fe\u5728\u9084\u641e\u4e0d\u592a\u6e05\u695a\uff0c\u6240\u4ee5\u5728\u56c9\u5506\u4e00\u4e0b\uff0c\u9019\u9632\u710a\u5c64(Solder Mask)\u5c31\u662f\u7da0\u6f06\u5566\uff01<\/font>\u660e\u767d\u6c92\uff01\u518d\u4e0d\u660e\u767d\uff0c\u90a3\u5c31\u628a\u677f\u5b50\u62ff\u51fa\u4f86\u770b\u770b\u90a3\u4e00\u5927\u7247\u7684\u7da0\u8272\u5c31\u662f\u5566\uff01\u9019\u4e9b\u7da0\u6f06\u6703\u8986\u84cb\u4f4f\u96fb\u8def\u677f\u4e0a\u4e0d\u9700\u8981\u9732\u51fa\u4f86\u7684\u9285\u7b94\u53ca\u7dda\u8def\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u63a5\u89f8\u77ed\u8def\u6216\u6c27\u5316\u3002\uff08\u8a3b\uff1a\u6709\u4e9b\u677f\u5b50\u7684\u9632\u710a\u6703\u5370\u6210\u9ed1\u8272\u3001\u7d05\u8272\uff0c\u4f46\u5927\u90e8\u5206\u90fd\u662f\u7da0\u8272\uff09<\/font><\/p>\n

\u56e0\u70ba<\/font>\u5de5\u4f5c\u718a<\/font><\/a>\u516c\u53f8\u7684\u65b0\u96fb\u8def\u677f\u8a2d\u8a08\u628a\u9632\u710a\u5c64\u7684\u516c\u5dee\u6293\u5728+\/-1mil\uff08+\/-0.0254mm\uff09\uff0c\u53ef\u662f\u677f\u5ee0\u9632\u710a\u5c64\u7684\u88fd\u7a0b\u80fd\u529b\u70ba+\/-2mils\uff08+\/-0.05mm\uff09\uff0c\u65bc\u662f\u5be6\u969b\u5370\u5237\u504f\u5dee\u7684\u9632\u710a\u5c64\u5c31\u8986\u84cb\u5230\u539f\u4f86\u8a72\u9732\u51fa\u4f86\u710a\u588a\uff0c\u8b93\u539f\u672c\u8a72\u9732\u51fa\u4f86\u710a\u588a\u8b8a\u5c0f\uff0c\u65bc\u662f\u554f\u984c\u7522\u751f\u4e86\u4ee5\u4e0a\u7684\u554f\u984c\u3002\u53e6\u5916\u4e00\u500b\u539f\u56e0\u662f\u6211\u5011\u70ba\u4e86\u9632\u6b62<\/font>HIP<\/font><\/a>\u767c\u751f\uff0c\u6240\u4ee5\u5c07BGA\u5916\u5708\u7684\u932b\u818f\u91cf\u5370\u5f97\u6bd4\u8f03\u591a\uff0c\u6240\u4ee5\u767c\u751f\u77ed\u8def\u7684\u710a\u588a\u5e7e\u4e4e\u90fd\u96c6\u4e2d\u5728BGA\u7684\u5916\u5708\u932b\u7403\u3002\uff08\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>\u5982\u4f55\u89e3\u6c7aBGA\u932b\u7403\u7684HIP(Head-In-Pillow)\u865b\u710a\u554f\u984c<\/font><\/a>\uff09<\/font><\/p>\n\n\n\n\n
\u4e0b\u5716\u986f\u793a\u96fb\u8def\u677fBGA\u4e0b\u9762\u7684\u9632\u710a\u5c64\u5370\u5237\u504f\u79fb\uff0c\u9020\u6210\u710a\u588a\u5927\u5c0f\u4e0d\u4e00\u81f4\u3002<\/td>\n\u4e0b\u5716\u986f\u793a\u5176\u4ed6\u96f6\u4ef6\u7684\u9632\u710a\u5c64\u5370\u5237\u504f\u79fb\uff0c\u9020\u6210\u710a\u588a\u5927\u5c0f\u4e0d\u4e00\u7684\u73fe\u8c61\u3002<\/td>\n<\/tr>\n
\"\u96fb\u8def\u677fBGA\u4e0b\u9762\u7684\u9632\u710a\u5c64\u5370\u5237\u504f\u79fb\uff0c\u9020\u6210\u710a\u588a\u5927\u5c0f\u4e0d\u4e00\u81f4\u3002\"<\/font><\/td>\n\"\u5176\u4ed6\u96f6\u4ef6\u7684\u9632\u710a\u5c64\u5370\u5237\u504f\u79fb\uff0c\u9020\u6210\u710a\u588a\u5927\u5c0f\u4e0d\u4e00\u7684\u73fe\u8c61\u3002\"<\/font><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

\u4e0b\u5716\u986f\u793aBGA\u56e0\u70ba\u710a\u588a\u8b8a\u5c0f\uff0c\u9020\u6210\u932b\u818f\u904e\u591a\u800c\u6700\u7d42\u5f62\u6210\u710a\u63a5\u77ed\u8def\u7684\u7d50\u679c\u3002<\/font>
\"BGA\u56e0\u70ba\u710a\u588a\u8b8a\u5c0f\uff0c\u9020\u6210\u932b\u818f\u904e\u591a\u800c\u6700\u7d42\u5f62\u6210\u710a\u63a5\u77ed\u8def\u7684\u7d50\u679c\u3002\"<\/font><\/p>\n

\u63a5\u4e0b\u4f86\u7684\u89e3\u6c7a\u8fa6\u6cd5\uff1a<\/font><\/p>\n

1. \u8981\u6c42\u677f\u5ee0\u5c40\u90e8\u4fee\u6539\u6709\u554f\u984c\u710a\u588a\u7684\u9632\u710a\u5c64\u958b\u5b54\u4f4d\u7f6e\u53ca\u5c3a\u5bf8\uff0c\u539f\u5247\u4e0a\u8981\u6c42BGA\u4e0b\u9762\u7684\u6240\u6709\u710a\u588a\u5927\u5c0f\u8981\u8da8\u5411\u4e00\u81f4\u3002 <\/font><\/p>\n

2. \u91cd\u958b\u92fc\u677f(stencil)\u628a\u5bb9\u6613\u767c\u751f\u77ed\u8def\u7684BGA\u5916\u5708\u710a\u588a\u958b\u53e3\u7e2e\u5c0f\uff0c\u4ee5\u4fbf\u964d\u4f4e\u932b\u818f\u5370\u5237\u91cf\u3002 <\/font><\/p>\n

\n

\u5ef6\u4f38\u95b1\u8b80\uff1a
<\/font>\u589e\u52a0\u932b\u818f\u91cf\u53ef\u4ee5\u6539\u5584BGA\u710a\u63a5\u4e0d\u826f\uff1f<\/font><\/a>
<\/font>\u5982\u4f55\u5f9e\u8a2d\u8a08\u7aef\u5f37\u5316BGA\u4ee5\u9632\u6b62\u5176\u710a\u9ede\u958b\u88c2\uff1f<\/font><\/a>
<\/font>\u5982\u4f55\u8a2d\u8a08\u52a0\u5f37\u7522\u54c1\u7684BGA\u710a\u588a\u5f37\u5ea6\u4ee5\u9632\u6b62BGA\u958b\u88c2\uff08SolderMask Defined, SMD\uff09<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u516c\u53f8\u6700\u8fd1\u5728\u505a\u4e00\u500b\u65b0\u7684\u5c08\u6848\uff0cRD\u5c0d\u677f\u5b50Layout …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,16,22,4],"tags":[47,164,167],"aioseo_notices":[],"views":17610,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/3612"}],"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=3612"}],"version-history":[{"count":0,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/3612\/revisions"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=3612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=3612"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=3612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}