{"id":458,"date":"2010-10-11T21:40:53","date_gmt":"2010-10-11T13:40:53","guid":{"rendered":"\/\/m.letratesoro.com\/2010\/10\/cob%e5%b0%8dpcb%e8%a8%ad%e8%a8%88%e7%9a%84%e8%a6%81%e6%b1%82\/"},"modified":"2019-11-15T11:04:39","modified_gmt":"2019-11-15T03:04:39","slug":"cob%e5%b0%8dpcb%e8%a8%ad%e8%a8%88%e7%9a%84%e8%a6%81%e6%b1%82","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2010\/10\/cob%e5%b0%8dpcb%e8%a8%ad%e8%a8%88%e7%9a%84%e8%a6%81%e6%b1%82\/","title":{"rendered":"COB\u5c0dPCB\u8a2d\u8a08\u7684\u8981\u6c42"},"content":{"rendered":"

\u7531\u65bcCOB\u6c92\u6709IC\u5c01\u88dd\u7684lead-frame(\u5c0e\u7dda\u67b6)\uff0c\u800c\u662f\u7528PCB\u4f86\u53d6\u4ee3\uff0c\u6240\u4ee5PCB\u7684\u710a\u588a\u8a2d\u8a08\u5c31\u4fbf\u5f97\u975e\u5e38\u7684\u91cd\u8981\uff0c\u800c\u4e14Finished(\u8868\u9762\u8655\u7406)\u53ea\u80fd\u4f7f\u7528\u96fb\u934d\u91d1\u6216\u662fENIG(\u5316\u93b3\u6d78\u91d1)\uff0c\u5426\u5247\u91d1\u7dda\u6216\u662f\u92c1\u7dda\uff0c\u751a\u81f3\u662f\u6700\u65b0\u7684\u9285\u7dda\u90fd\u6703\u6709\u6253\u4e0d\u4e0a\u53bb\u7684\u554f\u984c\u3002<\/font><\/p>\n

COB \u7684 PCB \u8a2d\u8a08\u8981\u6c42<\/u><\/font><\/h4>\n
    \n
  1. \n
    PC\u677f\u7684\u6210\u54c1\u8868\u9762\u8655\u7406\u5fc5\u9808\u662f\u96fb\u934d\u91d1\u6216\u662fENIG\uff0c\u800c\u4e14\u8981\u6bd4\u4e00\u822c\u7684PC\u677f\u934d\u91d1\u5c64\u8981\u539a\u4e00\u9ede\uff0c\u624d\u53ef\u4ee5\u63d0\u4f9b[Die Bonding]\u7684\u80fd\u91cf\u6240\u9700\uff0c\u5f62\u6210\u91d1\u92c1\u6216\u91d1\u91d1\u7684\u5171\u91d1\u3002<\/font> <\/div>\n<\/li>\n
  2. \n

    \u5728 COB \u7684 Die Pad \u5916\u7684\u710a\u588a\u7dda\u8def\u4f48\u7dda\u4f4d\u7f6e(layout)\uff0c\u8981\u76e1\u91cf\u8003\u616e\u4f7f\u6bcf\u689d\u710a\u7dda\u7684\u9577\u5ea6\u90fd\u6709\u56fa\u5b9a\u9577\u5ea6\uff0c\u4e5f\u5c31\u662f\u8aaa\u710a\u9ede\u5f9e\u6676\u5713(Die)\u5230PCB\u710a\u588a\u7684\u8ddd\u96e2\u8981\u76e1\u91cf\u4e00\u81f4\uff0c\u9019\u6a23\u624d\u80fd\u5920\u63a7\u5236\u6bcf\u689d\u710a\u7dda\u7684\u4f4d\u7f6e\uff0c\u964d\u4f4e\u710a\u7dda\u76f8\u4ea4\u77ed\u8def\u7684\u554f\u984c\u3002\u6240\u4ee5\u6709\u5c0d\u89d2\u7dda\u7684\u710a\u588a\u8a2d\u8a08\u5c31\u4e0d\u7b26\u5408\u8981\u6c42\u56c9\u3002\u5efa\u8b70\u53ef\u4ee5\u7e2e\u77edPCB\u710a\u588a\u9593\u8ddd\u4f86\u53d6\u6d88\u5c0d\u89d2\u7dda\u710a\u588a\u7684\u51fa\u73fe\u3002\u4e5f\u53ef\u4ee5\u8a2d\u8a08\u6a62\u5713\u5f62\u7684\u710a\u588a\u4f4d\u7f6e\u4f86\u5e73\u5747\u5206\u6563\u710a\u7dda\u4e4b\u9593\u7684\u76f8\u5c0d\u4f4d\u7f6e\u3002<\/font><\/p>\n

    <\/li>\n

  3. \n
    \u5efa\u8b70\u4e00\u500bCOB\u6676\u5713\u81f3\u5c11\u8981\u6709\u5169\u500b\u4ee5\u4e0a\u7684\u5b9a\u4f4d\u9ede\uff0c\u5b9a\u4f4d\u9ede\u6700\u597d\u4e0d\u8981\u4f7f\u7528\u50b3\u7d71SMT\u7684\u5713\u5f62\u5b9a\u4f4d\u9ede\uff0c\u800c\u6539\u7528\u5341\u5b57\u5f62<\/font><\/strong>\u5b9a\u4f4d\u9ede\uff0c\u56e0\u70baWire Bonding(\u710a\u7dda)\u6a5f\u5668\u5728\u505a\u81ea\u52d5\u5b9a\u4f4d\u6642\u57fa\u672c\u4e0a\u6703\u6293\u76f4\u7dda\u4f86\u505a\u5b9a\u4f4d\uff0c\u6211\u8a8d\u70ba\u9019\u662f\u56e0\u70ba\u50b3\u7d71\u7684\u5c0e\u7dda\u67b6\u4e0a\u6c92\u6709\u5713\u5f62\u5b9a\u4f4d\u9ede\uff0c\u800c\u53ea\u6709\u76f4\u7dda\u5916\u6846\u3002\u53ef\u80fd\u6709\u4e9bWire Bonding machine\u4e0d\u592a\u4e00\u6a23\u3002\u5efa\u8b70\u5148\u53c3\u8003\u4e00\u4e0b\u6a5f\u5668\u6027\u80fd\u4f86\u505a\u8a2d\u8a08\u3002<\/font>
    \"COB\u5c0dPCB\u8a2d\u8a08\u7684\u8981\u6c42\"  
      \"cob_pcb14\"\"cob_pcb4\" <\/div>\n<\/li>\n
  4. \n
    PCB\u7684(Die Pad)\u5927\u5c0f\u61c9\u8a72\u6bd4\u5be6\u969b\u7684\u6676\u5713(die)\u7a0d\u5fae\u5927\u4e00\u9ede\u9ede\u5c31\u597d\uff0c\u4e00\u5247\u53ef\u4ee5\u9650\u5236\u64fa\u653e\u6676\u5713\u6642\u7684\u504f\u79fb\uff0c\u800c\u4f86\u4e5f\u53ef\u4ee5\u907f\u514d\u6676\u5713\u5728 die pad \u5167\u65cb\u8f49\u592a\u56b4\u91cd\u3002\u5efa\u8b70\u5404\u908a\u7684\u6676\u5713\u710a\u588a\u6bd4\u5be6\u969b\u7684\u6676\u5713\u59270.25~0.3mm\u3002<\/font>
    \"PCB\u7684(Die <\/div>\n<\/li>\n
  5. \n
  6. \n
    \u5efa\u8b70\u53ef\u4ee5\u5728\u9700\u8981\u9ede\u81a0\u7684\u5340\u57df\u5370\u4e0a\u7d72\u5370(Silkscreen)\u6a19\u793a\uff0c\u53ef\u4ee5\u65b9\u4fbf\u9ede\u81a0\u4f5c\u696d\u9032\u884c\u53ca\u9ede\u81a0\u5f62\u72c0\u63a7\u7ba1\u3002<\/font> <\/div>\n<\/li>\n<\/ol>\n
    \n

    \u76f8\u95dc\u95b1\u8b80\uff1a
    <\/font>    \u4ecb\u7d39COB\u7684\u710a\u7dda\u53ca\u5176\u62c9\u529b<\/font><\/a>
    COB(Chip On Board)\u7684\u88fd\u7a0b\u7c21\u55ae\u4ecb\u7d39<\/font><\/a>
    \u4f55\u8b02COB (Chip On Board) \uff1f\u4ecb\u7d39COB\u7684\u6f14\u9032\u6b77\u53f2<\/font><\/a> <\/font><\/p>\n","protected":false},"excerpt":{"rendered":"

    \u7531\u65bcCOB\u6c92\u6709IC\u5c01\u88dd\u7684lead-frame(\u5c0e …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,115,20,16],"tags":[],"aioseo_notices":[],"views":46108,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/458"}],"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=458"}],"version-history":[{"count":0,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/458\/revisions"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=458"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}