{"id":984,"date":"2011-02-20T12:44:49","date_gmt":"2011-02-20T04:44:49","guid":{"rendered":"\/\/m.letratesoro.com\/2011\/02\/soldering-defect-symptom\/"},"modified":"2024-08-19T20:46:56","modified_gmt":"2024-08-19T12:46:56","slug":"soldering-defect-symptom","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2011\/02\/soldering-defect-symptom\/","title":{"rendered":"\u96fb\u8def\u677f\u4e0a\u5e38\u898b\u7684\u710a\u932b\u7f3a\u9ede\u4e2d\u82f1\u6587\u5c0d\u7167\u8207\u89e3\u91cb(\u7a7a\u710a\u3001\u5047\u710a\u3001\u865b\u710a…)"},"content":{"rendered":"
\u5de5\u4f5c\u718a\u96d6\u7136\u5728\u96fb\u5b50\u88fd\u9020\u696d\u6253\u6efe\u4e86\u8a31\u591a\u5e74\uff0c\u4f46\u81ea\u77e5\u524d\u8f29\u9084\u662f\u5f88\u591a\uff0c\u73ed\u9580\u5f04\u65a7\u4f86\u5206\u4eab\u81ea\u5df1\u77e5\u9053\u7684\u4e00\u4e9b\u95dc\u65bcSMT\u710a\u932b\u6027\u7f3a\u9ede\u7684\u4e2d\u82f1\u6587\u5c0d\u7167\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c3\u8003\u4e00\u4e0b\u3002<\/font><\/p>\n \u5fc5\u9808\u5148\u8072\u660e\uff0c\u6709\u4e9b\u540d\u8a5e\u6216\u55ae\u5b57\u53ef\u80fd\u5728\u5de5\u4f5c\u718a\u7684\u516c\u53f8\u5167\u5df2\u7d93\u884c\u4e4b\u6709\u5e74\uff0c\u6240\u4ee5\u5927\u5bb6\u4e5f\u90fd\u8a8d\u8b58\u4e14\u53ef\u4ee5\u63a5\u53d7\uff0c\u4f46\u4e0d\u4e00\u5b9a\u5c31\u8868\u793a\u696d\u754c\u7684\u6240\u6709\u4eba\u90fd\u5982\u6b64\u7a31\u547c\uff01\u4e0d\u904e\u5927\u9ad4\u4e0a\u61c9\u8a72\u90fd\u6c92\u6709\u592a\u5927\u554f\u984c\u624d\u5c0d\u3002<\/font><\/p>\n \u6703\u6709\u6b64\u611f\u6168\u662f\u56e0\u70ba\u5e38\u5e38\u770b\u5230<\/font>\u53f0\u7063\u53ca\u5927\u9678\u6709\u4e9b\u5de5\u7a0b\u5e2b\u82f1\u6587\u771f\u7684\u721b\u5f97\u53ef\u4ee5<\/font>\uff0c\u5e38\u5e38\u5de5\u7a0b\u5e2b\u628a\u4e0d\u826f\u7684\u5206\u6790\u5831\u544a\u7528\u4e2d\u6587\u5beb\u597d\u5f8c\u4ea4\u7d66\u61c2\u82f1\u6587\u7684PM<\/a>\u7ffb\u6210\u82f1\u6587\uff0c\u504f\u504fPM\u53c8\u4e0d\u61c2\u9019\u4e9b\u710a\u932b\u7f3a\u9ede\u7684\u5c08\u6709\u540d\u8a5e\uff0c\u7d50\u679c\u6709\u4e9b\u710a\u932b\u7684\u5c08\u6709\u540d\u8a5e\u5c31\u88ab\u76f4\u63a5\u7528\u7ffb\u8b6f\u8edf\u9ad4\u4f86\u4e2d\u7ffb\u82f1\uff0c\u6709\u6642\u5019\u5de5\u4f5c\u718a\u770b\u4e86\u90fd\u6703\u50bb\u773c\u500b\u8001\u534a\u5929\u9084\u731c\u4e0d\u51fa\u662f\u4ec0\u9ebc\u610f\u601d\uff0c\u5f8c\u4f86\u5de5\u4f5c\u718a\u53ea\u597d\u4e56\u4e56\u7684\u56de\u53bb\u5148\u7528\u82f1\u7ffb\u4e2d\uff0c\u770b\u4e86\u4e2d\u6587\u5f8c\u518d\u8ddf\u908f\u8f2f\u5c0d\u8d77\u4f86\u601d\u8003\u624d\u731c\u5f97\u4e00\u4e8c\uff0c\u53ef\u662f\u9019\u4e9b<\/font>\u602a\u602a\u7684\u82f1\u6587\u5c0d\u5927\u90e8\u5206\u8001\u5916\u4f86\u8aaa\u61c9\u8a72\u5c31\u50cf\u662f\u300c<\/font>\u6709\u5b57\u5929\u66f8<\/font>\u300d\u5427\uff01<\/font><\/p>\n <\/p>\n \u57fa\u672c\u4e0a\u8ddf\u8001\u5916\u5c07\u82f1\u6587\uff0c\u6700\u597d\u662f\u7528\u5c0d\u65b9\u807d\u5f97\u61c2\u7684\u8a9e\u8a00\uff0c\u6709\u4e9b\u53ef\u80fd\u53f0\u8a9e\u6216\u570b\u8a9e\u5f88\u50b3\u795e\u7684\u5f62\u5bb9\u8a5e\u76f4\u63a5\u7ffb\u6210\u82f1\u6587\uff0c\u8001\u5916\u53ef\u4e0d\u4e00\u5b9a\u770b\u5f97\u61c2\u3002<\/font><\/p>\n \u95dc\u65bc\u710a\u63a5\u7684\u7f3a\u9ede\uff0c\u5982\u679c\u771f\u7684\u53bb\u7ffb\u95b1\u5de5\u696d\u6a19\u6e96\u3010IPC-A-610\u3011\uff0c\u61c9\u8a72\u53ea\u6709\u3010Non-Wetting<\/strong><\/font>\u3011\u53ca\u3010De-wetting<\/font><\/strong>\u3011\u9019\u5169\u500b\u5c08\u6709\u7684\u710a\u932b\u7f3a\u9677\u540d\u8a5e\uff0cIPC\u5f8c\u4f86\u53c8\u8ffd\u52a0\u3010Cold Solder<\/font><\/strong>\u3011\u7684\u540d\u8a5e\u89e3\u91cb\uff0c\u5176\u4ed6\u7684\u7528\u8a9e\u61c9\u8a72\u90fd\u662f\u4fd7\u8a9e\u800c\u5df2\u3002<\/font><\/p>\n \u7a7a\u710a<\/font><\/strong>\uff1aSolder skip, Solder empty\uff0c\u901a\u5e38\u7528\u4f86\u8aaa\u660e\u7528\u8089\u773c\u5c31\u53ef\u4ee5\u770b\u5f97\u51fa\u4f86\u6c92\u6709\u5403\u932b\u7684\u7f3a\u9ede\uff0c\u7531\u65bc\u82f1\u6587\u70baskip\u53caempty\u7684\u7528\u5b57\uff0c\u6240\u4ee5\u6bd4\u8f03\u5efa\u8b70\u7528\u65bc\u5c11\u932b\u4e4b\u985e\u7684\u7a7a\u710a\u554f\u984c\u63cf\u8ff0\u3002\u9019\u500b\u7f3a\u9ede\u5728 IPC-A-610 \u7684\u5b9a\u7fa9\u88e1\u61c9\u8a72\u88ab\u6b78\u985e\u70ba Non-Wetting\u3002<\/font><\/p>\n<\/li>\n \u51b7\u710a<\/font><\/strong>\uff1a2022\/10\/10\u66f4\u65b0\uff1aCold soldering\uff0c\u4f9d\u64daIPC-A-610\u7684\u8aaa\u660e\uff0c"\u51b7\u710a"\u70ba\u710a\u63a5\u9023\u63a5\u5448\u73fe\u51fa\u6f64\u6fd5\u4e0d\u826f\u53ca\u7070\u8272\u591a\u5b54\u5916\u89c0\u3002\uff08\u9019\u662f\u7531\u65bc\u710a\u6599\u96dc\u8cea\u904e\u591a\uff0c\u710a\u63a5\u524d\u6e05\u6f54\u4e0d\u5145\u5206\uff0c\u548c\uff0f\u6216\u710a\u63a5\u904e\u7a0b\u4e2d\u52a0\u71b1\u4e0d\u8db3\u9020\u6210\u7684\u3002\uff09IPC-T-50\u5c0d\u677e\u9999\u710a\u63a5\u9023\u63a5\u7684\u5b9a\u7fa9\u662f\uff1a\u5f9e\u5916\u89c0\u4e0a\u770b\u8207\u51b7\u710a\u9023\u63a5\u5e7e\u4e4e\u5b8c\u5168\u76f8\u540c\uff0c\u6709\u6b98\u7559\u7684\u677e\u9999\u5206\u96e2\u5f85\u710a\u63a5\u8868\u9762\u7684\u8ff9\u8c61\u3002 \u865b\u710a<\/font><\/strong>\uff1a2022\/10\/10\u66f4\u65b0\uff1a\u82f1\u6587\u53ef\u4ee5\u7528Non-wetting\u4f86\u8868\u793a\u3002\u96f6\u4ef6\u5f15\u8173\u865b\u9760<\/font>\u5728\u710a\u588a\u4e0a\uff0c\u770b\u8d77\u4f86\u597d\u50cf\u6709\u710a\u63a5\u5230\uff0c\u4f46\u5be6\u969b\u537b\u672a\u5f62\u6210\u6709\u6548\u710a\u63a5\uff0c\u9019\u985e\u4e0d\u826f\u901a\u5e38\u51fa\u73fe\u5728\u7d30\u9593\u8173IC\u7684\u5f15\u8173\u4e0a\uff0c\u56e0\u70ba\u9019\u985eIC\u5f15\u8173\u5f7c\u6b64\u9593\u8ddd\u5f88\u5c0f\uff0c\u710a\u588a\u5bec\u5ea6\u8207\u5f15\u8173\u76f8\u7576\uff0c\u4ee5\u81f3\u65bc\u5f15\u8173\u5de6\u53f3\u5169\u5074\u7121\u6cd5\u6709\u6548\u5403\u932b\uff0c\u53ea\u80fd\u9760\u5f15\u8173\u5e95\u9762\u53ca\u524d\u7aef\u5207\u65b7\u9762\u5403\u932b\uff0c\u4ee5\u81f3\u4e0d\u6613\u5224\u65b7\u5403\u932b\u6548\u679c\u3002 \u5047\u710a<\/font><\/strong>\uff1a2022\/10\/10\u66f4\u65b0\uff1a\u4e5f\u53ef\u4ee5\u7528Non-wetting\u4f86\u8868\u793a\uff0c\u6709\u4eba\u7528\u3010false solder\u3011\u4f86\u63cf\u8ff0\u5047\u710a\uff0c\u4f46\u8001\u5916\u61c9\u8a72\u770b\u4e0d\u61c2\u3002\u5047\u710a\u5176\u5be6\u8207\u865b\u710a\u5dee\u4e0d\u591a\uff0c\u6709\u6642\u5e7e\u4e4e\u53ef\u4ee5\u5171\u7528\uff0c\u5916\u89c0\u770b\u8d77\u4f86\u50cf\u662f\u6709\u710a\u63a5\u597d\uff0c\u4f46\u5be6\u969b\u6c92\u6709\u3002\u5b83\u8207\u865b\u710a\u552f\u4e00\u7684\u5dee\u7570\u662f\u5047\u710a\u7684\u710a\u588a\u6bd4\u96f6\u4ef6\u5f15\u8173\u4f86\u5f97\u5bec\uff0c\u6b63\u5e38\u60c5\u6cc1\u4e0b\u5f15\u8173\u5de6\u53f3\u5074\u9762\u61c9\u8a72\u90fd\u8981\u5403\u932b\uff0c\u4f46\u5be6\u969b\u537b\u6c92\u6709\uff0c\u53ea\u662f\u770b\u8d77\u4f86\u6709\u932b\u3002\u9019\u500b\u53ef\u4ee5\u901a\u904e\u89c0\u5bdf\u710a\u5f15\u8173\u8207\u710a\u588a\u4e4b\u9593\u6709\u7121\u5f62\u6210\u5f27\u5f62\u710a\u63a5\u5f62\u72c0\u4f86\u5224\u65b7\uff0c\u4e5f\u5c31\u662f\u6aa2\u67e5\u710a\u932b\u89d2\u5ea6\u6709\u7121\u5c0f\u65bc90\u00b0\u4f86\u5224\u5b9a\u662f\u5426\u70ba\u826f\u597d\u710a\u63a5\u3002<\/font><\/p>\n \u5305\u710a<\/font><\/strong>\uff1a2022\/10\/10\u66f4\u65b0\uff1a\u901a\u5e38\u7528\u4f86\u6307\u7a31\u710a\u932b\u5305\u8986\u6574\u500b\u710a\u9ede\uff0c\u4f46\u662f\u710a\u932b\u5167\u90e8\u7684\u710a\u9ede\u537b\u6c92\u6709\u5b8c\u5168\u5403\u932b\uff0c\u5916\u89c0\u901a\u5e38\u4ee5\u4e00\u5927\u5768\u7684\u710a\u932b\u4f86\u8868\u73fe\u3002\u9019\u7a2e\u73fe\u8c61\u5e38\u767c\u751f\u5728\u96f6\u4ef6\u5f15\u8173\u6c27\u5316\uff0c\u6216\u662f\u624b\u710a\u6642\u5f15\u8173\u9023\u63a5\u5230\u4e86\u5927\u9762\u7a4d\u91d1\u5c6c\u5c0e\u81f4\u6563\u71b1\u904e\u5feb\uff0c\u710a\u932b\u53ea\u710a\u4f4f\u4e86\u710a\u588a\uff0c\u537b\u7121\u6cd5\u710a\u63a5\u4e0a\u5f15\u8173\uff0c\u4f8b\u5982\u9023\u63a5\u5668\u7684\u91d1\u5c6c\u5916\u6bbc\u5b9a\u4f4d\u8173\u3002 \u932b\u6a4b<\/font><\/strong>\uff1aSolder bridge\uff0c\u77ed\u8def(solder short)\u7684\u4e00\u7a2e\u73fe\u8c61\uff0c\u901a\u5e38\u7528\u4f86\u5f62\u5bb9 IC \u8173\u4e4b\u9593\u7684\u7d30\u5c0f\u67b6\u6a4b\u77ed\u8def\u3002 \u77ed\u8def<\/font><\/strong>\uff1aSolder short <\/font><\/p>\n<\/li>\n \u932b\u5c11<\/font><\/strong>\uff1aSolder insufficient\uff0c\u932b\u91cf\u4e0d\u8db3\uff0c\u53ef\u80fd\u5f71\u97ff\u710a\u63a5\u5f37\u5ea6\u3002<\/font><\/p>\n<\/li>\n \u932b\u9b1a<\/font><\/strong>\uff1aWhisker\uff0c\u932b\u9b1a\u5728\u7121\u925b\u88fd\u7a0b\u7279\u5225\u53d7\u5230\u91cd\u8996\uff0c\u56e0\u70ba\u5b83\u6bd4\u6709\u925b\u88fd\u7a0b\u6642\u5bb9\u6613\u751f\u6210\uff0c\u5c24\u5176\u662f\u7d14\u932b\u7684\u88fd\u7a0b\u3002<\/font><\/p>\n<\/li>\n BGA\u710a\u932b\u7f3a\u9ede\uff1a<\/strong><\/font><\/p>\n \u5982\u679c\u662fBGA\u932b\u7403\u710a\u63a5\u65b9\u9762\u7684\u4e0d\u826f\uff0c\u96d6\u7136\u4e5f\u53ef\u4ee5\u7528\u4e0a\u8ff0\u7684\u7a7a\u710a(non-wetting)\u53ca\u77ed\u8def(Solder short)\u4f86\u8aaa\u660e\uff0c\u4f46\u4e00\u822c\u5982\u679c\u60f3\u66f4\u9032\u4e00\u6b65\u63cf\u8ff0BGA\u710a\u63a5\u7684\u7f3a\u9ede\uff0c\u6709\u6bd4\u8f03\u5c08\u696d\u7684\u7528\u8a9e\uff0c\u5c31\u662fHIP(Head-In-Pillow\uff0c\u6795\u982d\u6548\u61c9)<\/a>\u53caNWO(Non-Wet-Open\uff0c\u865b\u710a)<\/a>\u3002<\/font><\/p>\n Non-Wetting & De-Wetting \u89e3\u91cb<\/font><\/strong><\/p>\n \u53e6\u5916\uff0c\u5728 IPC-A-610 \u7684\u5b9a\u7fa9\u88e1\u9762\u6709\u5169\u500b\u4e3b\u8981\u7684\u710a\u932b\u7f3a\u9ede\uff0cNon-wetting(\u4e0d\u6cbe\u932b) \u8207 De-wetting(\u7e2e\u932b)\uff0c\u5de5\u4f5c\u718a\u4ee5\u524d\u7e3d\u641e\u4e0d\u61c2\u9019\u5169\u500b\u540d\u8a5e\u6709\u4ec0\u9ebc\u5340\u5225\uff0c\u5f8c\u4f86\u4ed4\u7d30\u7814\u7a76\u4e86\u4e00\u4e0b IPC \u5c0d\u5b83\u5011\u7684\u5b9a\u7fa9\uff0c\u73fe\u5728\u7e3d\u7b97\u5f04\u660e\u767d\u4e86\uff0c\u5728\u9019\u88e1\u4e5f\u8ddf\u5927\u5bb6\u5206\u4eab\u4e00\u4e0b\u81ea\u5df1\u7684\u5fc3\u5f97\u3002\u6709\u932f\u7684\u8a71\u4e5f\u8acb\u5e6b\u5fd9\u7559\u8a00\u66f4\u6b63\u4e00\u4e0b\u5594\uff01<\/font><\/p>\n Non-wetting<\/font><\/strong>\uff1aThe inability of molten solder to form a metallic bond with the basis metal. \u60f3\u8981\u89e3\u6c7a\u9019\u985e\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u96fb\u8def\u677f\u9810\u71b1\uff0c\u8b93\u5927\u9762\u7a4d\u7684\u9285\u7b94\u9810\u5148\u7372\u5f97\u4e00\u5b9a\u7684\u71b1\u91cf\uff0c\u9019\u6a23\u5c31\u4e0d\u6703\u5feb\u901f\u5438\u6536\u70d9\u9435\u982d\u7684\u80fd\u91cf\u3002\u6216\u8005\u5728\u710a\u76e4\u9023\u63a5\u5927\u9762\u7a4d\u9285\u7b94\u7684\u7dda\u8def\u4e0a\u8a2d\u8a08\u71b1\u963b\u6216\u9650\u963b\uff08thermal relief\uff09<\/a>\u4f86\u9650\u5236\u710a\u76e4\u4e0a\u71b1\u80fd\u5feb\u901f\u6d41\u5931\uff0c\u5c31\u985e\u4f3c\u5728\u6cb3\u6d41\u4e0a\u52a0\u500b\u6c34\u58e9\u4f86\u9650\u5236\u6c34\u6d41\u7684\u901f\u5ea6\u4e00\u6a23\u3002<\/font><\/p>\n \u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>\u8a2d\u8a08Thermal Relief pad(\u71b1\u963b\u710a\u588a\/\u9650\u71b1\u710a\u588a)\u964d\u4f4e\u710a\u63a5\u4e0d\u826f<\/font><\/a><\/p>\n De-wetting<\/font><\/strong>\uff1a A condition that results when molten solder coasts a surface and then receded to leave irregularly-shaped mounds of solder that are separated by areas that are covered with a thin film of solder and with the basis metal or surface finish not exposed. \u53e6\u5916\uff0c\u5f88\u591a\u670b\u53cb\u53ef\u80fd\u90fd\u6c92\u6709\u7d30\u60f3\u904e\u710a\u932b\u5403\u5f97\u597d\u4e0d\u597d\uff08\u6f64\u6fd5\u597d\u4e0d\u597d\uff09\u7684\u539f\u7406\u662f\u4ec0\u9ebc\uff1f\u5f8c\u9762\u6709\u6a5f\u6703\u518d\u804a\u56c9\uff01<\/font><\/p>\n \u5ef6\u4f38\u95b1\u8b80\uff1a<\/font> \u5de5\u4f5c\u718a\u96d6\u7136\u5728\u96fb\u5b50\u88fd\u9020\u696d\u6253\u6efe\u4e86\u8a31\u591a\u5e74\uff0c\u4f46\u81ea\u77e5\u524d\u8f29\u9084 …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[222,81,172],"aioseo_notices":[],"views":194650,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/984"}],"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=984"}],"version-history":[{"count":9,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/984\/revisions"}],"predecessor-version":[{"id":11056,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/984\/revisions\/11056"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=984"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<\/font><\/p>\n
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\u4e0a\u9762\u7684\u89e3\u91cb\u61c9\u8a72\u5f88\u591a\u4eba\u770b\u4e0d\u61c2\u3002\u4f9d\u7167IPC\u7684\u89e3\u91cb\uff0c\u51b7\u710a\u6709\u5169\u7a2e\u539f\u56e0\uff0c\u7b2c\u4e00\u7a2e\u539f\u56e0\u70ba\u710a\u932b\u4e2d\u647b\u96dc\u4e86\u904e\u591a\u7684\u96dc\u8cea\uff0c\u5c0e\u81f4\u710a\u932b\u4e0d\u5b8c\u5168\uff0c\u800c\u5448\u73fe\u51fa\u7070\u8272\u53ca\u591a\u5b54\u7684\u5916\u89c0\uff0c\u9019\u7a2e\u73fe\u8c61\u4e00\u822c\u6211\u5011\u6bd4\u8f03\u5c11\u898b\u5230\u3002\u800c\u4e8c\u7a2e\u539f\u56e0\u70ba\u710a\u63a5\u904e\u7a0b\u4e2d\u52a0\u71b1\u6eab\u5ea6\u4e0d\u8db3\u6240\u5c0e\u81f4\uff0c\u9019\u985e\u51b7\u710a\u8f03\u5e38\u51fa\u73fe\u5728\u65e9\u671f\u4f7f\u7528IR(Infrared,\u7d05\u5916\u7dda)\u52a0\u71b1\u7684\u56de\u710a\u7210\uff0c\u5c24\u5176\u662f\u710a\u9ede\u5728\u672c\u9ad4\u4e0b\u65b9\u7684\u96f6\u4ef6\uff0c\u6bd4\u5982BGA\u6216\u662fLGA\uff0c\u56e0\u70baIR\u7167\u5c04\u4e0d\u5230\u672c\u9ad4\u4e0b\u65b9\uff0c\u6240\u4ee5\u71b1\u91cf\u50b3\u905e\u8f03\u5dee\uff0c\u73fe\u5728\u7684\u56de\u710a\u7210\u5e7e\u4e4e\u90fd\u5df2\u7d93\u5168\u9762\u63a1\u7528\u71b1\u98a8\u5c0d\u6d41\u5f0f\u7684\u52a0\u71b1\u65b9\u5f0f\uff0c\u6240\u4ee5\u9019\u985e\u51b7\u710a\u61c9\u8a72\u5df2\u8b8a\u5c11\u3002\u53e6\u4e00\u500b\u8f03\u5e38\u51fa\u73fe\u51b7\u710a\u7684\u88fd\u7a0b\u5247\u767c\u751f\u5728\u624b\u5de5\u710a\u63a5\u6642\u70d9\u9435(iron)\u529f\u7387\u4e0d\u8db3\uff0c\u6216\u662f\u710a\u63a5\u624b\u6cd5\u932f\u8aa4\uff0c\u70d9\u9435\u982d\u672a\u5145\u5206\u52a0\u71b1\u5230\u96f6\u4ef6\u5f15\u8173\u6216\u662f\u710a\u588a\u6240\u9020\u6210\u3002 (\u66f4\u65b0\u524d\u8aaa\u660e\uff1aCold soldering\uff0c\u5728 IPC-A-610 \u7684\u5b9a\u7fa9\u88e1\u61c9\u8a72\u4e5f\u662f\u5c6c\u65bcNon-wetting\u7684\u4e00\u7a2e\u3002\u4e5f\u5c31\u662f\u56e0\u70ba\u6eab\u5ea6\u4e0d\u8db3\uff0c\u6240\u9020\u6210\u7684\u710a\u63a5\u4e0d\u826f\u3002)<\/font><\/strike><\/font><\/font><\/p>\n<\/li>\n(\u66f4\u65b0\u524d\u8aaa\u660e\uff1a<\/font><\/strike>\u500b\u4eba\u8a8d\u70ba\u61c9\u8a72\u5c31\u662f\u300c\u5047\u710a\u300d\u6216\u300c\u51b7\u710a\u300d\uff0c\u53ef\u4ee5\u7528Non-wetting\u4f86\u8868\u793a\uff0c\u96f6\u4ef6\u8173\u770b\u8d77\u4f86\u597d\u50cf\u6709\u710a\u63a5\u597d\uff0c\u4f46\u5176\u5be6\u710a\u932b\u4e26\u6c92\u6709\u5c07\u710a\u8173\u5b8c\u6574\u710a\u63a5\u5728\u710a\u588a\u6216\u96f6\u4ef6\u8173\u4e0a\uff0c\u53ea\u662f\u770b\u8d77\u4f86\u5f88\u50cf\u800c\u5df2\uff0c\u9019\u500b\u901a\u5e38\u53ef\u4ee5\u89c0\u5bdf\u710a\u932b\u8207\u96fb\u8def\u677f\u6216\u96f6\u4ef6\u8173\u4e4b\u9593\u7684\u89d2\u5ea6\u6709\u7121\u8d85\u904e90\u00b0\u4f86\u5224\u5b9a\u662f\u5426\u70ba\u710a\u63a5\u6709\u6548\u3002)<\/strike><\/font><\/font><\/p>\n<\/li>\n(\u66f4\u65b0\u524d\u8aaa\u660e\uff1aNon-wetting\uff0c\u5047\u710a\u53c8\u7a31\u70ba\u865b\u710a\uff0c\u5916\u89c0\u770b\u8d77\u4f86\u4f3c\u4e4e\u6709\u710a\u4e0a\u53bb\uff0c\u4f46\u5be6\u969b\u4e26\u6c92\u6709\u710a\u63a5\u5230\uff0c\u6709\u4eba\u7528\u3010false soldering\u3011\u4f86\u7a31\u547c\u4e4b\uff0c\u4e0d\u904e\u8001\u5916\u61c9\u8a72\u770b\u4e0d\u61c2\uff01Non-Wetting\u901a\u5e38\u7528\u4f86\u5f62\u5bb9\u4e0d\u5403\u932b\uff0c\u4e5f\u53ef\u7528\u4f86\u5f62\u5bb9\u5916\u89c0\u7528\u8089\u773c\u770b\u8d77\u4f86\u597d\u50cf\u6709\u5403\u5230\u932b\uff0c\u5be6\u969b\u537b\u6c92\u6709\u5403\u5230\u932b\u7684\u60c5\u5f62\u3002)<\/font><\/strike><\/font><\/font><\/p>\n<\/li>\n(\u66f4\u65b0\u524d\u8aaa\u660e\uff1a<\/font><\/strike>\u500b\u4eba\u8a8d\u70ba\u9019\u7a2e\u4e0d\u826f\u61c9\u8a72\u4e5f\u5c6c\u65bcNon-wetting\u7684\u4e00\u7a2e\u3002\u5176\u73fe\u8c61\u662f\u710a\u932b\u5448\u73fe\u5713\u7403\u72c0\u3002\u9019\u7a2e\u73fe\u8c61\u6bd4\u8f03\u5e38\u51fa\u73fe\u5728\u63d2\u4ef6\u7684\u63a5\u5730\u8173\uff0c\u56e0\u70ba\u9023\u63a5\u5230\u4e86\u5927\u9762\u7a4d\u9285\u7b94\uff0c\u878d\u7194\u7684\u710a\u932b\u5df2\u7d93\u5305\u4f4f\u4e86\u6574\u500b\u710a\u8173\uff0c\u4f46\u662f\u537b\u7121\u6cd5\u5c07PCB\u7684\u63a5\u5730\u710a\u588a\u710a\u63a5\u8d77\u4f86\uff0c\u56e0\u70ba\u5927\u9762\u7a4d\u9285\u7b94\u9700\u8981\u5927\u91cf\u7684\u71b1\u80fd\u624d\u80fd\u9054\u5230\u710a\u932b\u7684\u6eab\u5ea6\u3002\u9019\u985e\u5305\u710a\u5176\u5be6\u5c31\u662f\u4e00\u7a2e\u51b7\u710a\u3002)<\/font><\/font><\/strike>
\u9084\u6709\u53e6\u5916\u4e00\u7a2e\u5305\u710a\u662f\u56e0\u70ba\u710a\u8173\u6c27\u5316\u6216\u662f\u5f15\u8173\u9023\u63a5\u5230\u4e86\u5927\u7247\u91d1\u5c6c\u5916\u6bbc\uff0c\u9020\u6210\u710a\u932b\u53ea\u80fd\u628a\u5f15\u8173\u5305\u8986\u8d77\u4f86\u710a\u63a5\u5728\u96fb\u8def\u677f\u7684\u710a\u588a\u4e0a\uff0c\u4f46\u5be6\u969b\u4e0a\u5f15\u8173\u537b\u6c92\u6709\u5403\u932b\u3002<\/font><\/p>\n<\/li>\n<\/font><\/p>\n<\/li>\n
\u5ef6\u4f38\u95b1\u8b80\uff1a\u96fb\u963b\u96fb\u5bb9\u5c0f\u96f6\u4ef6\u767c\u751f\u7a7a\u710a\u53ca\u7acb\u7891(\u5893\u7891\u6548\u61c9)\u7684\u539f\u56e0<\/a><\/font><\/div>\n<\/li>\n<\/font><\/p>\n
<\/font><\/p>\n
\u4e0d\u6cbe\u932b<\/font><\/strong>\uff1a\u4e0d\u6f64\u6fd5\uff0c\u96f6\u4ef6\u6216\u710a\u588a\u4e0d\u5403\u932b\u3002\u901a\u5e38\u662f\u56e0\u70ba\u92b2\u932b\u6642\u6eab\u5ea6\u4e0d\u8db3\u7684\u60c5\u6cc1\u4e0b\u6240\u767c\u751f\uff0c\u4f8b\u5982\u624b\u710a\u96f6\u4ef6\uff0c\u6709\u4e00\u7aef\u63a5\u4e0a\u5927\u9762\u7a4d\u9285\u7b94\uff0c\u710a\u588a\u6703\u56e0\u70ba\u6563\u71b1\u592a\u5feb\u800c\u7121\u6cd5\u7d2f\u7a4d\u71b1\u80fd\u5230\u9054\u92b2\u932b\u6eab\u5ea6\uff0c\u65bc\u662f\u710a\u8173\u6709\u5403\u5230\u932b\uff0c\u53ef\u662f\u710a\u588a\u5247\u672a\u5403\u5230\u932b\u3002\u4e00\u822c\u7684\u5047\u710a\u3001\u51b7\u710a\u3001\u5305\u710a\u3001\u865b\u710a\u5927\u591a\u5c6c\u65bc\u9019\u7a2e\u73fe\u8c61\u3002\u539f\u5247\u4e0a\u710a\u932b\u5982\u679c\u6f64\u6fd5(wetting)\u826f\u597d\uff0c\u5176\u710a\u932b\u8207\u96fb\u8def\u677f\u4e4b\u9593\u7684\u89d2\u5ea6(\u03b8)\u61c9\u8a72\u8981<90\u00b0\uff0c\u710a\u932b\u89d2\u5ea6(\u03b8)\u5982\u679c>90\u00b0\u901a\u5e38\u5c31\u6703\u88ab\u5224\u5b9a\u70ba\u4e0d\u6cbe\u932b(Non-wetting)\u56c9\u3002(\u5716\u7247\u4f86\u81ea IPC)<\/font> <\/a>
<\/a><\/font><\/p>\n
<\/p>\n
\u7e2e\u932b<\/font><\/strong>\uff1a\u7d93\u5e38\u767c\u4e0a\u5728\u96f6\u4ef6\u8173\u6216\u710a\u588a\u6709\u5c40\u90e8\u6c27\u5316\u6642\uff0c\u662f\u6307\u710a\u63a5\u5b8c\u7562\u7684\u710a\u9ede\u6216\u710a\u9762\u51fa\u73fe\u51f9\u9677\u6216\u9ad8\u4f4e\u4e0d\u5e73\u6574\u7684\u8868\u9762\uff0c\u6216\u92b2\u932b\u9762\u652f\u96e2\u7834\u788e\u751a\u81f3\u88f8\u9732\u51fa\u5e95\u5c64\u91d1\u5c6c\uff0c\u6216\u710a\u9ede\u5916\u7de3\u7121\u6cd5\u6b63\u5e38\u5ef6\u5c55\u7684\u60c5\u6cc1\u3002(\u5716\u7247\u4f86\u81ea IPC)\u3002\u4f60\u4e5f\u53ef\u4ee5\u76f4\u63a5\u628a\u5b83\u7406\u89e3\u70ba\u300c\u62d2\u710a<\/font><\/strong>\u300d\u3002<\/font> <\/a>
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QFN\u5c01\u88dd\u7684\u710a\u63a5\u54c1\u8cea<\/font><\/a>
\u56de\u6d41\u710a\u7684\u6eab\u5ea6\u66f2\u7dda Reflow Profile<\/font><\/a>
\u5982\u4f55\u6311\u9078\u932b\u818f (Solder paste selection)<\/font><\/a>
BGA\u865b\u710aNWO(Non-Wet-Open)\u5f62\u6210\u7684\u539f\u56e0\u53ca\u53ef\u80fd\u89e3\u6c7a\u65b9\u6cd5<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"