{"id":475,"date":"2009-06-05T17:01:48","date_gmt":"2009-06-05T09:01:48","guid":{"rendered":"http:\/\/www.g4e.cn\/wordpress\/?p=475"},"modified":"2013-11-14T15:46:27","modified_gmt":"2013-11-14T07:46:27","slug":"thermal-management-materials-and-systems","status":"publish","type":"post","link":"http:\/\/www.g4e.cn\/wordpress\/learnrecord\/475.html","title":{"rendered":"\u7b2c\u5341\u7ae0 \u70ed\u7ba1\u7406\u6750\u6599\u53ca\u7cfb\u7edf"},"content":{"rendered":"

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3\u3001\u5c01\u88c5\u6982\u8ff0\uff1a\u57fa\u4e8e\u4ee5\u4e0b\u56db\u4e2a\u539f\u56e0\u9700\u8981\u5c01\u88c5\u534a\u5bfc\u4f53\uff1a\u4e3a\u534a\u5bfc\u4f53\u63d0\u4f9b\u673a\u68b0\u652f\u6491\u3001\u4e3a\u534a\u5bfc\u4f53\u63d0\u4f9b\u4e0b\u4e00\u7ea7\u5c01\u88c5\u7684\u4e92\u8fde\u3001\u4e3a\u534a\u5bfc\u4f53\u63d0\u4f9b\u73af\u5883\u7684\u4fdd\u62a4\u3001\u4e3a\u534a\u5bfc\u4f53\u4ea7\u751f\u7684\u70ed\u91cf\u63d0\u4f9b\u4e00\u79cd\u8017\u6563\u9014\u5f84\uff1b\u5e38\u89c1\u7684\u5c01\u88c5\u6709\u5355\u82af\u7247\u5c01\u88c5\uff08SCP\uff09\u3001\u591a\u82af\u7247\u6a21\u7ec4\uff08MCM\uff09\u3001\u7cfb\u7edf\u7ea7\u5c01\u88c5\uff08SIP\uff09\u3001\u591a\u4e2a\u82af\u7247\u5c01\u88c5\uff08FCP\uff09\u4ee5\u53ca\u677f\u7ea7\u5c01\u88c5\uff1b<\/p>\n

4\u3001\u5c01\u88c5\u6750\u6599\uff1a
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3\uff09\u57fa\u677f\u53ca\u91d1\u5c5e\u5316\uff1a\u57fa\u677f\u53ef\u4ee5\u662f\u9676\u74f7\u3001\u5e26\u6709\u7535\u7edd\u7f18\u6750\u6599\u6216\u6709\u673a\u7269\u7684\u91d1\u5c5e\uff1b
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\ni.\u5370\u5236\u7535\u8def\u57fa\u677f\uff1a\u5728MCM-L\uff08\u5c42\u538b\u677f\uff09\u5e94\u7528\u4e2d\uff0c\u591a\u5c42\u57fa\u677f\u662f\u7528\u6709\u673a\u6750\u6599\uff08\u5982FR-4\u548c\u805a\u9170\u4e9a\u80fa\uff09\u5236\u5907\u7684\uff1b<\/p>\n

4\uff09\u57fa\u677f\u7c98\u63a5\uff1a\u5728\u591a\u82af\u7247\u5e94\u7528\u4e2d\u901a\u5e38\u4f7f\u7528\u4e00\u5757\u57fa\u677f\uff0c\u5c06\u57fa\u677f\u7c98\u63a5\u5230\u4e0b\u4e00\u7ea7\u7ec4\u4ef6\uff08\u4e0d\u7ba1\u662f\u5c01\u88c5\u3001\u7535\u8def\u5361\u8fd8\u662f\u70ed\u6c89\uff09\u4e0a\u65f6\u9700\u8981\u7c98\u7ed3\u4ecb\u8d28\uff0c\u901a\u5e38\u4f7f\u7528\u805a\u5408\u7269\u6750\u6599\uff0c\u9664\u975e\u57fa\u677f\u80cc\u9762\u9700\u8981\u63a5\u5730\uff0c\u4e00\u822c\u805a\u5408\u7269\u6750\u6599\u662f\u4e0d\u5bfc\u7535\u7684\uff1b<\/p>\n

5\uff09\u5404\u7c7b\u5c01\u88c5\u7684\u6750\u6599\u548c\u5bfc\u70ed\u901a\u8def\uff1a
\na.\u975e\u6c14\u5bc6\u5c01\u88c5\uff1a\u5851\u5c01\u5fae\u7535\u8def\uff08PEM\uff09\u7684\u4e3b\u8981\u70ed\u901a\u8def\u662f\u901a\u8fc7\u5c01\u88c5\u7684\u5e95\u5ea7\u548c\u5f15\u7ebf\u5230\u8fbe\u7535\u8def\u5361\u7ec4\u4ef6\uff0c\u6b21\u8981\u7684\u70ed\u901a\u8def\u662f\u4ece\u7ba1\u82af\u901a\u8fc7\u5851\u6599\u4f20\u5230\u7a7a\u6c14\u4e2d\uff1b
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6\uff09\u70ed\u754c\u9762\u6750\u6599\uff1a\u7a7a\u6c14\u7684\u5bfc\u70ed\u7387\u662f0.026W\/(m\u2022k)\uff0c\u662f\u70ed\u7684\u4e0d\u826f\u5bfc\u4f53\uff0c\u5fc5\u987b\u4ece\u7ed3\u5230\u70ed\u6c89\u7684\u70ed\u901a\u8def\u4e2d\u52a0\u4ee5\u6d88\u9664\u3002\u6d88\u9664\u7684\u6280\u672f\u662f\u65bd\u52a0\u673a\u68b0\u538b\u529b\u538b\u5e73\u8868\u9762\u6216\u7528\u9ad8\u5bfc\u70ed\u7387\u7684\u6750\u6599\u8fdb\u884c\u586b\u5145\uff0c\u5e38\u7528\u7684\u586b\u5145\u6750\u6599\u5305\u62ec\u948e\u6599\u3001\u5bfc\u70ed\u8102\u3001\u6a61\u80f6\u57ab\u3001\u5bfc\u70ed\u7c98\u63a5\u5242\u3001\u805a\u9170\u4e9a\u80fa\u819c\u3001\u76f8\u53d8\u6750\u6599\u3001\u4e91\u6bcd\u57ab\u3001\u7c98\u63a5\u5e26\u3001\u9676\u74f7\u7247\u3001\u4e0b\u586b\u6599\u4ee5\u53ca\u805a\u5408\u7269\u590d\u5408\u6750\u6599\uff08\u7ea4\u7ef4\uff09\u3002<\/p>\n

7\uff09\u5370\u5236\u7535\u8def\u677f\uff08PWB\uff09\uff1a\u5728\u7535\u5b50\u5c01\u88c5\u4e2d\u7684\u5e94\u7528\u4e3b\u8981\u6709\u4e24\u4e2a\u76ee\u7684\uff1a\u4e92\u8fde\u548c\u4f20\u70ed\uff0c\u53ef\u5206\u4e3a\u521a\u6027\u548c\u6320\u6027\u4e24\u5927\u7c7b\uff0c\u5176\u4e2d\u521a\u6027PCB\u53ef\u4ee5\u6709\u591a\u79cd\u7ed3\u6784\uff0c\u5305\u62ec\u5355\u9762\u3001\u53cc\u9762\u548c\u591a\u5c42\u7684\uff0c\u4ece\u70ed\u7ba1\u7406\u65b9\u9762\u8003\u8651\u5747\u53ef\u5f52\u4e3a\u4e00\u8d77\uff0c\u5b83\u4eec\u7684\u70ed\u963b\u4e0e\u6811\u8102\u6750\u6599\u7684\u70ed\u5bfc\u7387\u548c\u6570\u503c\u539a\u5ea6\u6210\u6b63\u6bd4\u3002\u4e00\u822c\u7684PCB\u677f\u7684CTE\u4e3a15~20ppm\uff0c\u800c\u5bfc\u70ed\u7387\u6839\u636e\u6750\u8d28\u4e0d\u57280.2~0.9 W\/(m\u2022k)\u4e4b\u95f4\u3002\u63d0\u9ad8\u5bfc\u70ed\u7387\u7684\u65b9\u6cd5\u6709\u5bfc\u70ed\u901a\u5b54\u3001\u5fae\u5bfc\u901a\u5b54\uff08\u79ef\u5c42\u6280\u672f\uff09\u3001\u4ee5\u53ca\u82af\u7247\u4e0e\u70ed\u6c89\u76f4\u63a5\u7c98\u63a5\u7b49\uff1b<\/p>\n

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10\uff09\u6c14\u4f53\uff1a\u6c14\u4f53\u7684\u5bfc\u70ed\u6027\u6781\u5dee\uff0c\u5f53\u6c14\u4f53\u5904\u4e8e\u70ed\u901a\u8def\u4e2d\u65f6\uff0c\u4f1a\u5bfc\u81f4\u70ed\u963b\u975e\u5e38\u9ad8\uff0c\u50cfHe\u8fd9\u6837\u7684\u6c14\u4f53\u7684\u5bfc\u70ed\u7387\u5927\u6982\u662f\u7a7a\u6c14\u6216\u6c2e\u6c14\u76846\u500d\uff0c\u6545\u5728\u67d0\u4e9b\u573a\u5408\u7528\u4f5c\u5bfc\u70ed\u6a21\u5757\u57fa\u5ea7\u7684\u586b\u5145\u5242\uff1b
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