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\u6dfb\u52a0\u70ed\u98ce\u710a\u76d8\u5bf9\u4e8e\u751f\u4ea7\u53ef\u5236\u9020\u7684\u7535\u8def\u677f\u975e\u5e38\u6709\u7528\uff0c\u5b83\u4eec\u5bf9\u4e8e\u9ad8\u94dc\u542b\u91cf\u5143\u4ef6\u548c\u591a\u5c42\u7535\u8def\u677f\u4e0a\u7684\u6ce2\u5cf0\u710a\u63a5\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002\u7531\u4e8e\u96be\u4ee5\u4fdd\u6301\u5de5\u827a\u6e29\u5ea6\uff0c\u56e0\u6b64\u59cb\u7ec8\u5efa\u8bae\u5728\u901a\u5b54\u5143\u4ef6\u4e0a\u4f7f\u7528\u70ed\u98ce\u710a\u76d8\uff0c\u4ee5\u4fbf\u901a\u8fc7\u51cf\u6162\u5143\u4ef6\u7ba1\u811a\u5904\u7684\u6563\u70ed\u901f\u7387\uff0c\u4f7f\u710a\u63a5\u8fc7\u7a0b\u5c3d\u53ef\u80fd\u7b80\u5355\u3002<\/p>\n \u4f5c\u4e3a\u4e00\u822c\u51c6\u5219\uff0c\u59cb\u7ec8\u5bf9\u8fde\u63a5\u5230\u5730\u5e73\u9762\u6216\u7535\u6e90\u5e73\u9762\u7684\u4efb\u4f55\u901a\u5b54\u6216\u8fc7\u5b54\u4f7f\u7528\u70ed\u98ce\u710a\u76d8\u65b9\u5f0f\u8fde\u63a5\u3002\u9664\u4e86\u70ed\u98ce\u710a\u76d8\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u5728\u710a\u76d8\u8fde\u63a5\u7ebf\u7684\u4f4d\u7f6e\u6dfb\u52a0\u6cea\u6ef4\uff0c\u4ee5\u63d0\u4f9b\u989d\u5916\u7684\u94dc\u7b94\/\u91d1\u5c5e\u652f\u6491\u3002\u8fd9\u5c06\u6709\u52a9\u4e8e\u51cf\u5c11\u673a\u68b0\u5e94\u529b\u548c\u70ed\u5e94\u529b\u3002<\/p>\n <\/p>\n \u5178\u578b\u7684\u70ed\u98ce\u710a\u76d8\u8fde\u63a5\u65b9\u5f0f<\/p>\n \u70ed\u98ce\u710a\u76d8\u79d1\u666e<\/strong><\/p>\n \u8bb8\u591a\u5de5\u5382\u5185\u8d1f\u8d23\u5236\u7a0b(Process)\u6216\u662fSMT\u6280\u672f\u7684\u5de5\u7a0b\u5e08<\/u>\u7ecf\u5e38\u4f1a\u78b0\u5230\u7535\u8def\u677f\u5143\u4ef6\u53d1\u751f\u7a7a\u710a(solder empty)\u3001\u5047\u710a(de-wet<\/u>TI<\/u>ng)\u6216\u51b7\u710a(cold solder)\u7b49\u7b49\u8fd9\u7c7b\u710a\u4e0d\u4e0a\u9521(non-wetTIng)\u7684\u4e0d\u826f\u95ee\u9898\uff0c\u4e0d\u8bba\u5236\u7a0b\u6761\u4ef6\u600e\u4e48\u6539\u6216\u662f\u56de\u6d41\u710a\u7684\u7089\u6e29\u518d\u600e\u4e48\u8c03\uff0c\u5c31\u662f\u6709\u4e00\u5b9a\u710a\u4e0d\u4e0a\u9521\u7684\u6bd4\u7387\u3002\u8fd9\u7a76\u7adf\u662f\u600e\u4e48\u56de\u4e8b\uff1f<\/p>\n \u6487\u5f00\u5143\u4ef6\u53ca\u7535\u8def\u677f\u6c27\u5316\u7684\u95ee\u9898\uff0c\u7a76\u5176\u6839\u56e0\u540e\u53d1\u73b0\u6709\u5f88\u5927\u90e8\u5206\u8fd9\u7c7b\u7684\u710a\u63a5\u4e0d\u826f\u5176\u5b9e\u90fd\u6765\u81ea\u4e8e\u7535\u8def\u677f\u7684\u5e03\u7ebf(layout)\u8bbe\u8ba1\u7f3a\u5931\uff0c\u800c\u6700\u5e38\u89c1\u7684\u5c31\u662f\u5728\u5143\u4ef6\u7684\u67d0\u51e0\u4e2a\u710a\u811a\u4e0a\u8fde\u63a5\u5230\u4e86\u5927\u9762\u79ef\u7684\u94dc\u76ae\uff0c\u9020\u6210\u8fd9\u4e9b\u5143\u4ef6\u710a\u811a\u7ecf\u8fc7\u56de\u6d41\u710a\u540e\u53d1\u751f\u710a\u63a5\u4e0d\u826f\uff0c\u6709\u4e9b\u624b\u710a\u5143\u4ef6\u4e5f\u53ef\u80fd\u56e0\u4e3a\u76f8\u4f3c\u60c5\u5f62\u800c\u9020\u6210\u5047\u710a\u6216\u5305\u710a\u7684\u95ee\u9898\uff0c\u6709\u4e9b\u751a\u81f3\u56e0\u4e3a\u52a0\u70ed\u8fc7\u4e45\u800c\u628a\u5143\u4ef6\u7ed9\u710a\u574f\u6389\u3002<\/p>\n \u4e00\u822cPCB\u5728\u7535\u8def\u8bbe\u8ba1\u65f6\u7ecf\u5e38\u9700\u8981\u94fa\u8bbe\u5927\u9762\u79ef\u7684\u94dc\u7b94\u6765\u5f53\u4f5c\u7535\u6e90(Vcc\u3001Vdd\u6216Vss)\u4e0e\u63a5\u5730(GND\uff0cGround)\u4e4b\u7528\u3002\u8fd9\u4e9b\u5927\u9762\u79ef\u7684\u94dc\u7b94\u4e00\u822c\u4f1a\u76f4\u63a5\u8fde\u63a5\u5230\u4e00\u4e9b\u63a7\u5236\u7535\u8def(IC)\u53ca\u7535\u5b50\u5143\u4ef6\u7684\u7ba1\u811a\u3002<\/p>\n \u4e0d\u5e78\u7684\u662f\u5982\u679c\u6211\u4eec\u60f3\u8981\u5c06\u8fd9\u4e9b\u5927\u9762\u79ef\u7684\u94dc\u7b94\u52a0\u70ed\u5230\u878d\u9521\u7684\u6e29\u5ea6\u65f6\uff0c\u6bd4\u8d77\u72ec\u7acb\u7684\u710a\u57ab\u901a\u5e38\u9700\u8981\u82b1\u6bd4\u8f83\u591a\u7684\u65f6\u95f4\uff08\u5c31\u662f\u52a0\u70ed\u4f1a\u6bd4\u8f83\u6162\uff09\uff0c\u800c\u4e14\u6563\u70ed\u4e5f\u6bd4\u8f83\u5feb\u3002\u5f53\u8fd9\u6837\u5927\u9762\u79ef\u7684\u94dc\u7b94\u5e03\u7ebf\u4e00\u7aef\u8fde\u63a5\u5728\u5c0f\u7535\u963b\u3001\u5c0f\u7535\u5bb9\u8fd9\u7c7b \u5c0f\u5143\u5668\u4ef6\uff0c\u800c\u53e6\u4e00\u7aef\u4e0d\u662f\u65f6\uff0c\u5c31\u5bb9\u6613\u56e0\u4e3a\u878d\u9521\u53ca\u51dd\u56fa\u7684\u65f6\u95f4\u4e0d\u4e00\u81f4\u800c\u53d1\u751f\u710a\u63a5\u95ee\u9898\uff1b\u5982\u679c\u56de\u6d41\u710a\u7684\u6e29\u5ea6\u66f2\u7ebf\u53c8\u8c03\u5f97\u4e0d\u597d\uff0c\u9884\u70ed\u65f6\u95f4\u4e0d\u8db3\u65f6\uff0c\u8fd9\u4e9b\u8fde\u63a5\u5728\u5927\u7247\u94dc\u7b94\u7684\u5143\u4ef6\u710a\u811a\u5c31\u5bb9\u6613\u56e0\u4e3a\u8fbe\u4e0d\u5230\u878d\u9521\u6e29\u5ea6\u800c\u9020\u6210\u865a\u710a\u7684\u95ee\u9898\u3002<\/p>\n \u4eba\u5de5\u710a\u63a5\uff08Hand Soldering\uff09\u65f6\uff0c\u8fd9\u4e9b\u8fde\u63a5\u5728\u5927\u7247\u94dc\u7b94\u7684\u5143\u4ef6\u710a\u811a\u5219\u4f1a\u56e0\u4e3a\u6563\u70ed\u592a\u5feb\uff0c\u800c\u65e0\u6cd5\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u5b8c\u6210\u710a\u63a5\u3002\u6700\u5e38\u89c1\u5230\u7684\u4e0d\u826f\u73b0\u8c61\u5c31\u662f\u5305\u710a\u3001\u865a\u710a\uff0c\u710a\u9521\u53ea\u6709\u710a\u5728\u5143\u4ef6\u7684\u710a\u811a\u4e0a\u800c\u6ca1\u6709\u8fde\u63a5\u5230\u7535\u8def\u677f\u7684\u710a\u76d8\u3002\u4ece\u5916\u89c2\u770b\u8d77\u6765\uff0c\u6574\u4e2a\u710a\u70b9\u4f1a\u5f62\u6210\u4e00\u4e2a\u7403\u72b6\uff1b\u66f4\u751a\u8005\uff0c\u4f5c\u4e1a\u5458\u4e3a\u4e86\u8981\u628a\u710a\u811a\u710a\u4e0a\u7535\u8def\u677f\u800c\u4e0d\u65ad\u8c03\u9ad8\u70d9\u94c1\u7684\u6e29\u5ea6\uff0c\u6216\u662f\u52a0\u70ed\u8fc7\u4e45\uff0c\u4ee5\u81f4\u9020\u6210\u5143\u4ef6\u8d85\u8fc7\u8010\u70ed\u6e29\u5ea6\u800c\u6bc1\u635f\u800c\u4e0d\u81ea\u77e5\u3002\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n <\/p>\n \u5305\u710a\u3001\u51b7\u710a\u6216\u865a\u710a<\/p>\n \u65e2\u7136\u77e5\u9053\u4e86\u95ee\u9898\u70b9\u5c31\u53ef\u4ee5\u6709\u89e3\u51b3\u7684\u65b9\u6cd5\uff0c\u4e00\u822c\u6211\u4eec\u90fd\u4f1a\u8981\u6c42\u91c7\u7528\u6240\u8c13Thermal Relief pad\uff08\u70ed\u98ce\u710a\u57ab\uff09\u8bbe\u8ba1\u6765\u89e3\u51b3\u8fd9\u7c7b\u56e0\u4e3a\u5927\u7247\u94dc\u7b94\u8fde\u63a5\u5143\u4ef6\u710a\u811a\u6240\u9020\u6210\u7684\u710a\u63a5\u95ee\u9898\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u5de6\u8fb9\u7684\u5e03\u7ebf\u6ca1\u6709\u91c7\u7528\u70ed\u98ce\u710a\u76d8\uff0c\u800c\u53f3\u8fb9\u7684\u5e03\u7ebf\u5219\u5df2\u7ecf\u91c7\u7528\u4e86\u70ed\u98ce\u710a\u76d8\u7684\u8fde\u63a5\u65b9\u5f0f\uff0c\u53ef\u4ee5\u770b\u5230\u710a\u76d8\u4e0e\u5927\u7247\u94dc\u7b94\u7684\u63a5\u89e6\u9762\u79ef\u53ea\u5269\u4e0b\u51e0\u6761\u7ec6\u5c0f\u7684\u7ebf\u8def\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5927\u5927\u9650\u5236\u710a\u57ab\u4e0a\u6e29\u5ea6\u7684\u6d41\u5931\uff0c\u8fbe\u5230\u8f83\u4f73\u7684\u710a\u63a5\u6548\u679c\u3002<\/p>\n <\/p>\n \u91c7\u7528Thermal Relief\u00a0pad\uff08\u70ed\u98ce\u710a\u57ab\uff09\u5bf9\u6bd4<\/p>\n \u68c0\u67e5\u60a8\u7684\u5de5\u4f5c<\/strong><\/p>\n \u5f53\u60a8\u9a6c\u4e0d\u505c\u8e44\u5730\u54fc\u54e7\u54fc\u54e7\u5730\u5c06\u6240\u6709\u7684\u90e8\u5206\u7ec4\u5408\u5728\u4e00\u8d77\u8fdb\u884c\u5236\u9020\u65f6\uff0c\u5f88\u5bb9\u6613\u5728\u8bbe\u8ba1\u9879\u76ee\u7ed3\u675f\u65f6\u624d\u53d1\u73b0\u95ee\u9898\uff0c\u4e0d\u582a\u91cd\u8d1f\u3002\u56e0\u6b64\uff0c\u5728\u6b64\u9636\u6bb5\u5bf9\u60a8\u7684\u8bbe\u8ba1\u5de5\u4f5c\u8fdb\u884c\u53cc\u91cd\u548c\u4e09\u91cd\u68c0\u67e5\u53ef\u80fd\u610f\u5473\u7740\u5236\u9020\u662f\u6210\u529f\u8fd8\u662f\u5931\u8d25\u3002<\/p>\n 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