{"id":1594,"date":"2018-11-28T01:37:03","date_gmt":"2018-11-28T01:37:03","guid":{"rendered":""},"modified":"2018-11-28T09:37:23","modified_gmt":"2018-11-28T01:37:23","slug":"pcb%e4%b8%ad%e6%9c%89%e5%93%aa%e4%ba%9b%e5%b9%b2%e6%89%b0%e5%8f%af%e5%88%86%e4%b8%ba%e8%be%90%e5%b0%84%e5%92%8c%e4%bc%a0%e5%af%bc%e5%b9%b2%e6%89%b0","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1594","title":{"rendered":"PCB\u4e2d\u6709\u54ea\u4e9b\u5e72\u6270\u53ef\u5206\u4e3a\u8f90\u5c04\u548c\u4f20\u5bfc\u5e72\u6270"},"content":{"rendered":"
\n\t1. PCB\u4e2d\u6709\u54ea\u4e9b\u5e72\u6270<\/p>\n
\n\t\u53ef\u5206\u4e3a\u8f90\u5c04\u548c\u4f20\u5bfc\u5e72\u6270\u3002\u8f90\u5c04\u5e72\u6270\u5c31\u662f\u5e72\u6270\u6e90\u4ee5\u7a7a\u95f4\u4f5c\u4e3a\u5a92\u4f53\u628a\u5176\u4fe1\u53f7\u5e72\u6270\u5230\u53e6\u4e00\u7535\u7f51\u7edc\u3002\u800c\u4f20\u5bfc\u5e72\u6270\u5c31\u662f\u4ee5\u5bfc\u7535\u4ecb\u8d28\u4f5c\u4e3a\u5a92\u4f53\u628a\u4e00 \u4e2a\u7535\u7f51\u7edc\u4e0a\u7684\u4fe1\u53f7\u5e72\u6270\u5230\u53e6\u4e00\u7535\u7f51\u7edc\u3002\u5728\u9ad8\u901f\u7cfb\u7edf\u8bbe\u8ba1\u4e2d\uff0c\u96c6\u6210\u7535\u8def\u5f15\u811a\u3001\u9ad8\u9891\u4fe1\u53f7\u7ebf\u548c\u5404\u7c7b\u63a5\u63d2\u5934\u90fd\u662fPCB\u677f\u8bbe\u8ba1\u4e2d\u5e38\u89c1\u7684\u8f90\u5c04\u5e72\u6270\u6e90\uff0c\u5b83\u4eec\u6563\u53d1\u7684\u7535\u78c1\u6ce2\u5c31\u662f \u7535\u78c1\u5e72\u6270\uff08EMI\uff09\uff0c\u81ea\u8eab\u548c\u5176\u4ed6\u7cfb\u7edf\u90fd\u4f1a\u56e0\u6b64\u5f71\u54cd\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n
\n\t<\/p>\n
\n\t2. PCB\u654f\u611f\u7535\u8def\u5982\u4f55\u5904\u7406<\/p>\n
\n\t(1)\u7535\u6e90\u7ebf<\/p>\n
\n\t\u6839\u636e\u5370\u5236\u7ebf\u8def\u677f\u7535\u6d41<\/u>\u7684\u5927\u5c0f\uff0c\u5c3d\u91cf\u52a0\u7c97\u7535\u6e90\u7ebf\u5bbd\u5ea6\uff0c\u51cf\u5c11\u73af\u8def\u7535\u963b\u3002\u5c24\u5176\u8981\u6ce8\u610f\u4f7f\u7535\u6e90\u7ebf\u3001\u5730\u7ebf\u4e2d\u7684\u4f9b\u7535\u65b9\u5411\uff0c\u4e0e\u6570\u636e\u3001\u4fe1\u53f7\u7684\u4f20\u9012\u65b9\u5411\u76f8\u53cd\uff0c\u5373\uff1a\u4ece\u672b\u7ea7\u5411\u524d\u7ea7\u63a8\u8fdb\u7684\u4f9b\u7535\u65b9\u5f0f\uff0c\u8fd9\u6837\u6709\u52a9\u4e8e\u589e\u5f3a\u6297\u566a\u58f0\u80fd\u529b\u3002<\/p>\n
\n\t(2)\u5730\u7ebf<\/p>\n
\n\t\u8bbe\u8ba1\u7684\u539f\u5219\u662f)\u6570\u5b57\u5730\u4e0e\u6a21\u62df\u5730\u5206\u5f00\u3002\u82e5\u7ebf\u8def\u677f\u4e0a\u65e2\u6709\u903b\u8f91\u7535\u8def\u53c8\u6709\u7ebf\u6027\u7535\u8def\uff0c\u5e94\u4f7f\u5b83\u4eec\u5c3d\u91cf\u5206\u5f00\u3002\u4f4e\u9891\u7535\u8def\u7684\u5730\u5e94\u5c3d\u91cf\u91c7\u7528\u5355\u70b9\u5e76\u8054\u63a5\u5730\uff0c\u5b9e\u9645\u5e03\u7ebf\u6709\u56f0\u96be\u65f6\u53ef\u90e8\u5206\u4e32\u8054\u540e\u518d\u5e76\u8054\u63a5\u5730\u3002\u9ad8\u9891\u7535\u8def\u5b9c\u91c7\u7528\u591a\u70b9\u4e32\u8054\u63a5\u5730\uff0c\u5730\u7ebf\u5e94\u77ed\u800c\u79df\uff0c\u9ad8\u9891\u5143\u4ef6\u5468\u56f4\u5c3d\u91cf\u7528\u6805\u683c\u72b6\u5927\u9762\u79ef\u5730\u7b94\u3002\u63a5\u5730\u7ebf\u5e94\u5c3d\u91cf\u52a0\u7c97\u3002\u82e5\u63a5\u5730\u7ebf\u7528\u5f88\u7eab\u7684\u7ebf\u6761\uff0c\u5219\u63a5\u5730\u7535\u4f4d\u968f\u7535\u6d41\u7684\u53d8\u5316\u800c\u53d8\u5316\uff0c\u4f7f\u6297\u566a\u6027\u80fd\u964d\u4f4e\u3002\u56e0\u6b64\u5e94\u5c06\u63a5\u5730\u7ebf\u52a0\u7c97\uff0c\u4f7f\u5b83\u80fd\u901a\u8fc7\u4e09\u500d\u4e8e\u5370\u5236\u677f\u4e0a\u7684\u5141\u8bb8\u7535\u6d41\u3002\u5982\u6709\u53ef\u80fd\uff0c\u63a5\u5730\u7ebf\u5e94\u57282~3mm\u4ee5\u4e0a\u3002\u63a5\u5730\u7ebf\u6784\u6210\u95ed\u73af\u8def\u3002\u53ea\u7531\u6570\u5b57\u7535\u8def\u7ec4\u6210\u7684\u5370\u5236\u677f\uff0c\u5176\u63a5\u5730\u7535\u8def\u5e03\u6210\u56e2\u73af\u8def\u5927\u591a\u80fd\u63d0\u9ad8\u6297\u566a\u58f0\u80fd\u529b\u3002<\/p>\n
\n\t3.PCB\u4e2d\u6709\u54ea\u4e9b\u5e72\u6270\u5143<\/p>\n
\n\t\u6e90\u6307\u4ea7\u751f\u5e72\u6270\u7684\u5143\u4ef6\u3001\u8bbe\u5907\u6216\u4fe1\u53f7\uff0c\u7528\u6570\u5b66\u8bed\u8a00\u63cf\u8ff0\u5982\u4e0b\uff1adu\/dt\uff0c di\/dt\u5927\u7684\u5730\u65b9\u5c31\u662f\u5e72\u6270\u6e90\u3002\u5982\uff1a\u96f7\u7535\u3001\u7ee7\u7535\u5668\u3001\u53ef\u63a7\u7845\u3001\u7535\u673a\u3001\u9ad8\u9891\u65f6\u949f<\/u>\u7b49\u90fd\u53ef \u80fd\u6210\u4e3a\u5e72\u6270\u6e90\u3002\u4f20\u64ad\u8def\u5f84\u6307\u5e72\u6270\u4ece\u5e72\u6270\u6e90\u4f20\u64ad\u5230\u654f\u611f\u5668\u4ef6\u7684\u901a\u8def\u6216\u5a92\u4ecb\u3002\u5178\u578b\u7684\u5e72\u6270\u4f20 \u64ad\u8def\u5f84\u662f\u901a\u8fc7\u5bfc\u7ebf\u7684\u4f20\u5bfc\u548c\u7a7a\u95f4\u7684\u8f90\u5c04\u3002\u654f\u611f\u5668\u4ef6\u6307\u5bb9\u6613\u88ab\u5e72\u6270\u7684\u5bf9\u8c61\u3002\u5982\uff1aA\/D\u3001D\/A\u53d8\u6362\u5668\uff0c\u5355\u7247\u673a<\/u>\uff0c\u6570\u5b57IC\uff0c \u5f31\u4fe1\u53f7\u653e\u5927\u5668<\/u>\u7b49\u3002<\/p>\n
\n\t4.PCB\u4e2d\u654f\u611f\u5143\u4ef6\u5982\u4f55\u5904\u7406<\/p>\n
\n\t\u5143\u4ef6\u6446\u653e\u65f6\u8981\u7b26\u5408\u53ef\u751f\u4ea7\u548c\u5177\u6709\u7ef4\u4fee\u4fbf\u5229\u6027\u3002\u7535\u5bb9<\/u>\u6781\u6027\u8981\u4e00\u81f4\u3002\u53d1\u70ed\u5143\u4ef6\u548c\u654f\u611f\u5143\u4ef6\u8981\u62c9\u5f00\u8ddd\u79bb\u6446\u653e\u3002\u6f6e\u6e7f\u654f\u611f\u5143\u4ef6\u503e\u5411\u4e8e\u5c01\u88c5\u5728\u76d8\u5e26(tape-and-reel)\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a\u76d8\u5e26\u5177\u6709\u5927\u6570\u91cf\u7684\u5143\u4ef6\u3002\u5f53\u4e0eIC\u6258\u76d8\u4e2d\u7684\u5f15\u811a\u5143\u4ef6\u6bd4\u8f83\u65f6\uff0c\u5173\u952e\u7684\u95ee\u9898\u662f\u5bf9\u6f6e\u6e7f\u66b4\u9732\u7684\u65f6\u95f4\u66f4\u957f\u4e86\u3002\u5728\u8bbe\u5b9a\u548c\u5904\u7406\u671f\u95f4\uff0c\u5fc5\u987b\u628a\u66b4\u9732\u65f6\u95f4\u589e\u52a0\u65f6\u95f4\u5230\u5e72\u71e5\u50a8\u5b58\u65f6\u95f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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