{"id":449,"date":"2010-10-08T23:03:21","date_gmt":"2010-10-08T15:03:21","guid":{"rendered":"\/\/m.letratesoro.com\/2010\/10\/%e4%bd%95%e8%ac%82cob-chip-on-board-%ef%bc%9f%e4%bb%8b%e7%b4%b9cob%e7%9a%84%e6%bc%94%e9%80%b2%e6%ad%b7%e5%8f%b2\/"},"modified":"2023-09-19T18:28:10","modified_gmt":"2023-09-19T10:28:10","slug":"%e4%bd%95%e8%ac%82cob-chip-on-board-%ef%bc%9f%e4%bb%8b%e7%b4%b9cob%e7%9a%84%e6%bc%94%e9%80%b2%e6%ad%b7%e5%8f%b2","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2010\/10\/%e4%bd%95%e8%ac%82cob-chip-on-board-%ef%bc%9f%e4%bb%8b%e7%b4%b9cob%e7%9a%84%e6%bc%94%e9%80%b2%e6%ad%b7%e5%8f%b2\/","title":{"rendered":"\u4f55\u8b02COB (Chip On Board) \uff1f\u4ecb\u7d39COB\u7684\u6f14\u9032\u6b77\u53f2"},"content":{"rendered":"

\"COB(chipCOB (Chip On Board)\u5728\u96fb\u5b50\u88fd\u9020\u696d\u5df2\u7d93\u662f\u4e00\u9805\u975e\u5e38\u6210\u719f\u7684\u6280\u8853\u4e86\uff0c\u53ef\u662f\u4e00\u822c\u7684\u96fb\u5b50\u7d44\u88dd\u5de5\u5ee0\u5c0d\u5b83\u7684\u88fd\u7a0b\u4e26\u4e0d\u719f\u6089\uff0c\u4e5f\u8a31\u662f\u56e0\u70ba\u5b83\u4f7f\u7528\u5230wire-bond (\u6253\u7dda)\u9019\u985e\u7a4d\u9ad4\u96fb\u8def(IC)\u5c01\u88dd\u7684\u6280\u8853\uff0c\u6240\u4ee5\u5f88\u591a\u7684\u6210\u54c1\u7d44\u88dd\u5ee0\u6216\u662f\u5c08\u696d\u96fb\u8def\u677f\u7684\u4ee3\u5de5\u5ee0\u5f88\u96e3\u627e\u5230\u76f8\u95dc\u7684\u6280\u8853\u4eba\u54e1\u3002<\/font><\/p>\n

\u8acb\u6ce8\u610f\u672c\u6587\u8aaa\u660e\u7684\u662f\u50b3\u7d71IC\u6676\u5713\u6253\u7dda\u7684COB\u88fd\u7a0b\uff0c\u76ee\u524d\u5f88\u592f\u7684COB LED\u8207\u6b64\u985e\u4f3c\u4f46\u88fd\u7a0b\u7a0d\u6709\u4e0d\u540c\u3002<\/font><\/p>\n

\u4ee5\u524dCOB\u5927\u591a\u53ea\u7528\u5728\u4e00\u4e9b\u4f4e\u968e\u7684\u6d88\u8cbb\u6027\u7522\u54c1\uff0c\u56e0\u70baCOB\u5c11\u4e86IC\u5c01\u88dd\u7684\u88fd\u7a0b\uff0c\u6240\u4ee5\u6750\u6599\u6210\u672c\u76f8\u5c0d\u5c31\u6bd4\u8f03\u4fbf\u5b9c\u3002\u96a8\u8457\u96fb\u5b50\u7522\u54c1\u8d8a\u505a\u8d8a\u5c0f\uff0c\u4e5f\u958b\u59cb\u6709\u8d8a\u4f86\u8d8a\u591a\u7684\u516c\u53f8\u8003\u616e\u5c0e\u5165COB\u88fd\u7a0b\u81f3\u5176\u7522\u54c1\u4e4b\u4e2d\uff0c\u7562\u7adf\u96fb\u8def\u677f\u4e0a\u80fd\u7528\u7684\u7a7a\u9593\u8d8a\u4f86\u8d8a\u5bf8\u571f\u5bf8\u91d1\u4e86\uff0c\u800cCOB\u88fd\u7a0b\u53c8\u53ef\u4ee5\u4f7f\u7528\u5230\u6bd4IC\u9084\u5c0f\u7684\u7a7a\u9593\u3002\u4e5f\u8a31\u63a1\u7528\u8f03\u9032\u968e\u7684\u6280\u8853\u53c8\u592a\u8cb4\uff0c\u6240\u4ee5\u53c8\u6709\u4eba\u56de\u904e\u982d\u4f86\u8003\u616eCOB\u7684\u88fd\u7a0b\u3002<\/font><\/p>\n

<\/p>\n

\u9019\u88e1\u5de5\u4f5c\u718a\u628a\u591a\u5e74\u524d\u67b6\u8a2d\u53ca\u64cd\u4f5cCOB\u7684\u7d93\u9a57\u91cd\u65b0\u6574\u7406\uff0c\u4e00\u65b9\u9762\u662f\u63d0\u9192\u81ea\u5df1\u9084\u6709\u9019\u9805\u5de5\u85dd\uff0c\u53e6\u4e00\u65b9\u9762\u662f\u63d0\u4f9b\u53c3\u8003\uff0c\u7576\u7136\u6709\u4e9b\u8cc7\u8a0a\u53ef\u80fd\u4e26\u4e0d\u662f\u6700\u65b0\uff0c\u50c5\u4f9b\u53c3\u8003<\/font>\u3002<\/font><\/p>\n

\n

IC\u3001COB\u3001\u53caFlip Chip (COG)\u7684\u6f14\u9032\u6b77\u53f2<\/font><\/u><\/p>\n<\/h4>\n

\u4e0a\u5716\u53ef\u4ee5\u5e6b\u52a9\u4f60\u4e86\u89e3\u96fb\u5b50\u6676\u7247\u5c01\u88dd\u7684\u7684\u6f14\u9032\u6b77\u53f2\u5f9e IC\u5c01\u88dd \u2192 COB \u2192 Flip Chip (\u5e38\u7528\u65bcCOG, Chip On Glass)\uff0c\u5c3a\u5bf8\u8d8a\u4f86\u8d8a\u5c0f\u3002\u5176\u4e2dCOB\u53ea\u80fd\u8aaa\u662f\u4ecb\u65bc\u76ee\u524d\u6280\u8853\u7684\u4e2d\u9593\u904e\u5ea6\u7522\u54c1\u3002\u53e6\u5916CSP (Chip Scale Package) \u61c9\u8a72\u662f\u4ecb\u65bc COB \u5230 Flip Chip \u4e2d\u9593\u7684\u88fd\u7a0b\u5427\uff01\u771f\u7684\u6709\u9ede\u4e82\u3002<\/font><\/p>\n

COB\u8aaa\u7a7f\u4e86\uff0c\u5c31\u662f\u628aIC\u5c01\u88dd\u7684\u6253\u7dda(wire bonding)\u53ca\u5c01\u81a0(Capsule)\u4f5c\u696d\u79fb\u690d\u5230\u96fb\u8def\u677f\u4e0a\u800c\u5df2\uff0c\u4e5f\u5c31\u662f\u8aaa\u628a\u539f\u672c\u9ecf\u8cbc\u5230\u5c0e\u7dda\u67b6(lead-frame)\u7684\u88f8\u6676\u5713(die)\u6539\u9ecf\u8cbc\u5230\u96fb\u8def\u677f(PCB)\u4e0a\uff0c\u4e26\u5c07\u539f\u672c\u710a\u63a5(Bonding)\u5230\u5c0e\u7dda\u67b6\u7684\u5c0e\u7dda\/\u710a\u7dda(wire)\u6539\u710a\u5230PCB\u7684\u934d\u91d1\u710a\u588a\uff0c\u7136\u5f8c\u7528Epoxy\u9ede\u81a0\u8986\u84cb\u65bc\u6676\u5713\u53ca\u5c0e\u7dda\u53d6\u4ee3\u539f\u672c\u7684\u6a21\u5177\u5c01\u88dd(molding)\uff0cCOB\u53ef\u4ee5\u7701\u4e0b\u539f\u672cIC\u5c01\u88dd\u7684\u5207\u8173\u6210\u578b(Trimming&Form)\u53ca\u5370\u5237(marking)\u7684\u88fd\u7a0b\uff0c\u4e5f\u53ef\u4ee5\u5c11\u6389IC\u5c01\u88dd\u5ee0\u7684\u7ba1\u92b7\u8cbb\u7528\uff0c\u6240\u4ee5\u57fa\u672c\u4e0a\u5b83\u7684\u88fd\u7a0b\u6703\u6bd4 IC\u5c01\u88dd\u88fd\u7a0b\u4f86\u5f97\u4fbf\u5b9c\u3002<\/font><\/p>\n

\u5c31\u56e0\u70ba\u4fbf\u5b9c\uff0c\u4e14\u4e00\u822c\u4f5cCOB\u88fd\u7a0b\u7684\u74b0\u5883\u4e5f\u4e0d\u50cf\u6676\u5713\u5ee0\u6216IC\u5c01\u88dd\u5ee0\u90a3\u9ebc\u512a\uff0c\u6240\u4ee5\u65e9\u671fCOB\u7684\u6280\u8853\u4e00\u822c\u5927\u591a\u904b\u7528\u5728\u5c0d\u4fe1\u8cf4\u5ea6\u6bd4\u8f03\u4e0d\u91cd\u8996\u7684\u5e95\u968e\u6d88\u8cbb\u6027\u96fb\u5b50\u7522\u54c1\u4e0a\uff0c\u50f9\u683c\u4e5f\u6bd4\u8f03\u4fbf\u5b9c\u7684\u6676\u5713\u4e0a\uff0c\u5982\u73a9\u5177\u3001\u8a08\u7b97\u5668\u3001\u5c0f\u578b\u986f\u793a\u5668\u3001\u9418\u9336\u7b49\u65e5\u5e38\u751f\u6d3b\u7528\u54c1\u4e2d\uff0c\u56e0\u70ba\u9019\u4e9b\u7522\u54c1\u53ef\u4ee5\u4fbf\u5b9c\u5230\u8b93\u4f60\u7528\u58de\u4e86\u5c31\u4e1f\u6389\u91cd\u8cb7\u4e00\u500b\u65b0\u7684\u3002\u6240\u4ee5\u65e9\u671f\u53f0\u7063\u7684COB\u88fd\u7a0b\u5927\u591a\u662f\u7531IC\u5c01\u88dd\u5ee0\u54e1\u5de5\u51fa\u4f86\u958b\u8a2d\u7684\u5bb6\u5ead\u5f0f\u4ee3\u5de5\uff0c\u5ba2\u5ef3\u5373\u5de5\u5ee0\uff0c\u6c92\u6709\u74b0\u5883\u7ba1\u63a7\uff0c\u4e5f\u5e38\u5e38\u8b93\u4eba\u8aa4\u4ee5\u70baCOB\u7684\u54c1\u8cea\u5c31\u662f\u9019\u6a23\u4e0d\u5920\u7262\u9760\u3002<\/font><\/p>\n

\u53ef\u662f\u96a8\u9019\u6642\u4ee3\u9032\u6b65\uff0c\u6709\u8d8a\u4f86\u8d8a\u591a\u7684\u5927\u5ee0\u770b\u4e0a\u5b83\u7684\u5c0f\u5c3a\u5bf8\uff0c\u4ee5\u53ca\u7522\u54c1\u8f15\u8584\u77ed\u5c0f\u7684\u8da8\u52e2\uff0cCOB\u7684\u904b\u7528\u8fd1\u5e74\u4f86\u53cd\u800c\u6709\u8d8a\u4f86\u8d8a\u5ee3\u7684\u8da8\u52e2\uff0c\u5982\u624b\u6a5f\uff0c\u7167\u76f8\u6a5f\u7b49\u8981\u6c42\u77ed\u5c0f\u7684\u7522\u54c1\u5c31\u6709\u5f88\u591a\u7522\u54c1\u5c0e\u5165\u4e86COB\u88fd\u7a0b\u3002<\/font><\/p>\n

COB\u53e6\u5916\u9084\u6709\u4e00\u9805\u512a\u9ede\u8b93\u67d0\u4e9b\u5ee0\u5546\u7279\u5225\u937e\u611b\u5b83\u3002\u7531\u65bc\u9700\u8981\u300c\u5c01\u81a0\u300d\u7684\u95dc\u4fc2\uff0c\u4e00\u822c\u7684COB\u6703\u628a\u6240\u6709\u7684\u5c0d\u5916\u5c0e\u7dda\u63a5\u8173\u5168\u90e8\u5c01\u5728\u74b0\u6c27\u6a39\u8102(Epoxy)\u4e4b\u4e2d\uff0c\u5c0d\u90a3\u4e9b\u559c\u6b61\u7834\u89e3\u5225\u4eba\u8a2d\u8a08\u7684\u99ed\u5ba2\u53ef\u80fd\u6703\u56e0\u70ba\u9019\u500b\u7279\u6027\u800c\u9700\u8981\u82b1\u66f4\u591a\u7684\u6642\u9593\u4f86\u7834\u89e3\uff0c\u9593\u63a5\u7684\u9054\u5230\u4e86\u9632\u99ed\u5b89\u5168\u7b49\u7d1a\u7684\u63d0\u5347\u3002(\u203b\uff1a\u9632\u99ed\u5b89\u5168\u7b49\u7d1a\u662f\u7531\u82b1\u8cbb\u591a\u5c11\u6642\u9593\u53ca\u91d1\u9322\u4f86\u7834\u89e3\u4e00\u9805\u6280\u8853\u6c7a\u5b9a\u7684\uff0c\u82b1\u7684\u6642\u9593\u53ca\u91d1\u9322\u8d8a\u591a\uff0c\u7b49\u7d1a\u5c31\u8d8a\u9ad8)<\/font><\/p>\n

\n

\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>
COB(Chip On Board)\u7684\u88fd\u7a0b\u7c21\u55ae\u4ecb\u7d39<\/font><\/a>
COB Epoxy\u704c\u81a0\u6642\u6c23\u6ce1\u7522\u751f\u7684\u539f\u56e0\u8207\u89e3\u6c7a\u65b9\u6cd5<\/font><\/a>
\u5982\u4f55\u6c7a\u5b9aBGA\u5e95\u90e8\u586b\u5145\u81a0(underfill)\u9700\u4e0d\u9700\u8981\u586b\u52a0\uff1f<\/font><\/a>
HotBar(\u71b1\u58d3\u7194\u932b\u710a\u63a5)\u4ecb\u7d39\u2500HotBar\u539f\u7406\u53ca\u88fd\u7a0b\u63a7\u5236<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

COB (Chip On Board)\u5728\u96fb\u5b50\u88fd\u9020 …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,115,16,107],"tags":[175],"aioseo_notices":[],"views":92747,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/449"}],"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=449"}],"version-history":[{"count":3,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/449\/revisions"}],"predecessor-version":[{"id":10863,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/449\/revisions\/10863"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=449"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}