{"id":9733,"date":"2022-03-02T08:29:00","date_gmt":"2022-03-02T00:29:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=9733"},"modified":"2024-07-18T22:59:12","modified_gmt":"2024-07-18T14:59:12","slug":"n2-affect-solder-defect","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2022\/03\/n2-affect-solder-defect\/","title":{"rendered":"\u6574\u7406SMT\u56de\u710a\u7210\u6dfb\u52a0\u6c2e\u6c23(N2)\u5c0d\u5404\u7a2e\u710a\u63a5\u4e0d\u826f\u7684\u5f71\u97ff\u8207\u6548\u679c"},"content":{"rendered":"

\"\u6574\u7406SMT\u56de\u710a\u7210\u6dfb\u52a0\u6c2e\u6c23(N2)\u5c0d\u5404\u7a2e\u710a\u63a5\u4e0d\u826f\u7684\u5f71\u97ff\u8207\u6548\u679c\"<\/font><\/p>\n

\u300c\u6c27\u5316\u300d\u662f\u710a\u932b\u54c1\u8cea\u7684\u4e00\u5927\u6bba\u624b\uff0c\u4f46\u662f\u6c27\u5316\u53c8\u662f\u9019\u500b\u4e16\u754c\u4e0a\u6240\u6709\u5143\u7d20\u8da8\u5409\u907f\u51f6\uff08\u8da8\u5411\u7a69\u5b9a\u72c0\u614b\uff09\u7684\u4e00\u7a2e\u81ea\u7136\u6cd5\u5247<\/a>\uff0c\u7121\u6cd5\u907f\u514d\uff0c\u800c\u300c\u4f7f\u7528\u6c2e\u6c23(N2<\/sub>)\u9694\u7d55\u6c27\u6c23(O2<\/sub>)\u63a5\u89f8\u300d\u5247\u662f\u76ee\u524d\u5c11\u6578\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u96fb\u5b50\u96f6\u4ef6\u5728\u9ad8\u6eab\u710a\u63a5\u6642\u6c27\u5316\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/font><\/p>\n

\u300c\u6c2e\u6c23(Nitrogen)\u300d\u96d6\u7136\u4e0d\u57288A\u920d\u6027\u6c23\u9ad4\u5143\u7d20\u90a3\u4e00\u5217\u4e2d\uff0c\u4e0d\u904e\u5728\u73fe\u4ee3\u5316\u5b78\u4e2d\uff0c\u6c2e\u6c23\u537b\u88ab\u6b78\u985e\u70ba\u300c\u60f0\u6027\u6c23\u9ad4(inert gas)\u300d\u7684\u4e00\u7a2e\uff0c\u5b83\u5728\u81ea\u7136\u754c\u4e2d\u975e\u5e38\u4e0d\u6d3b\u6f51\uff0c\u5177\u6709\u4e0d\u6613\u8207\u91d1\u5c6c\u7522\u751f\u5316\u5408\u7269\u7684\u7279\u6027\uff0c\u800c\u4e14\u5728\u5927\u6c23\u4e2d\u9084\u670978\uff05\u7684\u4f54\u6bd4\uff0c\u53d6\u5f97\u7684\u8cbb\u7528\u76f8\u5c0d\u4fbf\u5b9c\uff0c\u6240\u4ee5\u7d93\u5e38\u88ab\u7528\u4f86\u5145\u586b\u5728SMT\u710a\u63a5\u7684\u56de\u710a\u7210\u4e2d\u7f6e\u63db\u6c27\u6c23(oxygen)\u7684\u542b\u91cf\uff0c\u5c11\u6578\u6ce2\u710a\u7210\u4e5f\u6703\u7528\u6c2e\u6c23\u586b\u5145\uff0c\u4ee5\u6e1b\u5c11\u710a\u932b\u6216PCB\u710a\u588a\u65bc\u9ad8\u6eab\u6642\u8207\u7a7a\u6c23\u4e2d\u7684\u6c27\u6c23\u63a5\u89f8\u800c\u7522\u751f\u6c27\u5316\u53cd\u61c9\u3002<\/font><\/p>\n

<\/p>\n

\u5c07\u6c2e\u6c23\u904b\u7528\u5728\u56de\u710a\u7210\u53ca\u6ce2\u710a\u7210\u710a\u63a5\u96d6\u7136\u5c0d\u710a\u63a5\u54c1\u8cea\u6703\u6709\u6240\u63d0\u6607\uff0c\u597d\u8655\u4e5f\u4e0d\u5c11\uff0c\u4f46\u6dfb\u52a0\u6c2e\u6c23\u537b\u4e5f\u4e0d\u662f\u767e\u5206\u767e\u90fd\u662f\u6b63\u5411\u6c92\u6709\u7f3a\u9ede\u7684\u3002<\/strong><\/em><\/font><\/p>\n

\u4e0b\u9762\u5de5\u4f5c\u718a\u6536\u96c6\u6574\u7406\u6c2e\u6c23\u5c0d\u5404\u7a2eSMT\u710a\u63a5\u4e0d\u826f\u7684\u5f71\u97ff\u8207\u6548\u679c\uff1a<\/font><\/p>\n

\n
\u932b\u73e0\u73fe\u8c61\uff08Solder beads\uff09<\/font><\/strong><\/div>\n<\/h2>\n

\"\u932b\u73e0\u73fe\u8c61\uff08Solder\u300c\u932b\u73e0\u300d\u4e5f\u7a31\u300c\u710a\u73e0\u300d\u662f\u76f8\u7576\u5e38\u898b\u7684\u710a\u932b\u7f3a\u9677\u4e4b\u4e00\uff0c\u5b83\u7d93\u5e38\u51fa\u73fe\u5728\u96f6\u4ef6\u672c\u9ad4\u7684\u4e0b\u65b9\uff0c\u5c24\u5176\u662f\u5728\u5c0f\u96fb\u963b\u3001\u5c0f\u96fb\u5bb9\u7b49small-chip\u672c\u9ad4\u4e0b\u5169\u500b\u7aef\u9ede\u7684\u4e2d\u9593\u5074\u9762\u3002<\/font><\/p>\n

\u9019\u662f\u56e0\u70ba\u9ad8\u6eab\u6642\u932b\u818f\u5167\u542b\u7684\u52a9\u710a\u5291\u6703\u8fc5\u901f\u8f49\u8b8a\u6210\u6c23\u9ad4\u63ee\u767c\u4e26\u5e36\u8457\u90e8\u4efd\u7684\u932b\u818f\u5f80\u5916\u5074\u79fb\u52d5\uff08\u60f3\u50cf\u6c23\u70b8\u7684\u60c5\u5f62\uff09\uff0c\u65bc\u662f\u5728\u96f6\u4ef6\u672c\u9ad4\u8207PCB\u9593\u7684\u5c0f\u7e2b\u9699\u4e0b\u5c31\u6703\u5f62\u6210\u5206\u96e2\u7684\u932b\u818f\u5340\u584a\uff0c\u56de\u710a\u6642\u96f6\u4ef6\u4e0b\u65b9\u56e0\u70ba\u6c92\u6709\u710a\u588a\u53ef\u4ee5\u5438\u5f15\u7194\u878d\u7684\u932b\u818f\uff0c\u518d\u52a0\u4e0a\u96f6\u4ef6\u672c\u9ad4\u7684\u91cd\u91cf\u64e0\u58d3\uff0c\u65bc\u662f\u5206\u96e2\u7684\u7194\u878d\u932b\u818f\u5c31\u5f9e\u96f6\u4ef6\u7684\u672c\u9ad4\u4e0b\u65b9\u5192\u51fa\u4e26\u5728\u5176\u908a\u7de3\u4e0a\u5f62\u6210\u5c0f\u932b\u73e0\u3002<\/font><\/p>\n

\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/em><\/p>\n

\u932b\u73e0\u5f62\u6210\u7684\u53e6\u5916\u4e00\u500b\u4e3b\u56e0\u5247\u662f\u3010\u932b\u818f\u6c27\u5316\u3011\uff0c\u7531\u65bc\u73fe\u5728\u96fb\u5b50\u96f6\u4ef6\u5927\u5c0f\u5dee\u7570\u5de8\u5927\uff0c\u5728\u958b\u92fc\u677f\u7684\u5de5\u85dd\u4e2d\u70ba\u4e86\u914d\u5408\u5c0f\u96f6\u4ef6\u63a1\u7528\u8f03\u8584\u7684\u92fc\u677f\uff0c\u800c\u91dd\u5c0d\u5927\u96f6\u4ef6\u710a\u8173\u5247\u63a1\u7528\u5916\u64f4\u5728\u589e\u52a0\u932b\u818f\u91cf\uff0c\u4e00\u65e6\u932b\u818f\u958b\u5c01\u904e\u4e45\u6216\u662f\u66b4\u9732\u65bc\u7a7a\u6c23\u4e2d\u904e\u4e45\uff0c\u5c31\u5bb9\u6613\u9020\u6210\u932b\u818f\u6c27\u5316\u53ca<\/font>\u52a9\u710a\u5291\u90e8\u4efd\u63ee\u767c\uff0c\u7576\u932b\u818f\u7194\u878d\u6642\u8868\u9762\u5f62\u6210\u4e86\u8f03\u539a\u7684\u6c27\u5316\u5c64\uff0c\u9032\u800c\u964d\u4f4e\u4e86\u932b\u818f\u7684\u6d3b\u6027\uff0c\u4f7f\u5f97\u7194\u878d\u932b\u818f\u7121\u6cd5\u85c9\u7531\u5167\u805a\u529b\u5c07\u5916\u64f4\u7684\u710a\u932b\u5b8c\u5168\u727d\u5f15\u56de\u5230\u672c\u9ad4\uff0c\u9019\u4e9b\u7559\u5b58\u5728\u710a\u588a\u5916\u7684\u710a\u932b\u5c31\u6703\u5f62\u6210\u7368\u7acb\u7684\u932b\u73e0\u3002<\/font><\/p>\n

\u5728\u56de\u710a\u7210\u4e2d\u586b\u5145\u6c2e\u6c23\uff0c\u7121\u8ad6\u662f\u90a3\u4e00\u7a2e\u932b\u818f\uff0c\u5176\u932b\u73e0\u51fa\u73fe\u7684\u6578\u91cf\u90fd\u6703\u6709\u6240\u6e1b\u5c11\u3002\u9019\u61c9\u8a72\u662f\u56e0\u70ba\u4f4e\u6c27\u74b0\u5883\u4e0b\u6709\u6548\u964d\u4f4e\u4e86\u932b\u7c89\u9846\u7c92\u8868\u9762\u6c27\u5316\u819c\u7684\u5f62\u6210\uff0c\u8b93\u932b\u7c89\u9593\u53ef\u4ee5\u66f4\u597d\u66f4\u5feb\u7684\u878d\u5408\u5728\u4e00\u8d77\uff0c\u964d\u4f4e\u4e86\u52a9\u710a\u5291\u5674\u6ffa\u6642\u5e36\u51fa\u7684\u932b\u91cf\u3002<\/font><\/font><\/p>\n

\u53e6\u5916\uff0c\u6c2e\u6c23\u4e5f\u53ef\u4ee5\u6709\u6548\u7684\u6291\u5236PCB\u710a\u588a\/\u710a\u76e4\u5728\u56de\u710a\u9ad8\u6eab\u6642\u6c27\u5316\u7684\u7a0b\u5ea6\uff0c\u5c24\u5176\u91dd\u5c0d\u7b2c\u4e8c\u9762\u56de\u6d41\u710a\u54c1\u8cea\u7684\u63d0\u6607\u66f4\u4f73\uff0c\u56e0\u70ba\u53ea\u8981\u710a\u588a\u5bb9\u6613\u5403\u932b\uff0c\u5c31\u53ef\u4ee5\u6709\u6548\u56de\u6536\u5916\u64f4\u7684\u710a\u932b\u3002<\/font><\/font><\/p>\n

\n
\u7a7a\u6d1e\/\u6c23\u6ce1\u73fe\u8c61\uff08Bubbles\/Voids\uff09<\/font><\/strong><\/div>\n<\/h2>\n

\"BGA\u7a7a\u6d1e\/\u6c23\u6ce1\u73fe\u8c61\uff08Bubbles\/Voids\uff09\"<\/font><\/p>\n

\u540c\u300c\u932b\u73e0\u300d\u985e\u4f3c\u7684\u9053\u7406<\/font>\uff0c\u5728QFN\u4e2d\u592e\u4f4d\u7f6e\u7684\u63a5\u5730\u710a\u9ede\u5bb9\u6613\u51fa\u73fe\u7a7a\u6d1e\/\u6c23\u6ce1\u73fe\u8c61\uff0c\u9664\u4e86\u4e00\u4e9b\u8a2d\u8a08\u4e0a\u7559\u5b58\u5c0e\u901a\u5b54(vias)\u9020\u6210\u6c23\u6ce1\u6216\u5403\u932b\u4e0d\u8db3\u8005\uff0c\u7531\u65bc\u710a\u588a\/\u710a\u76e4\u8868\u9762\u5728\u6c2e\u6c23\u689d\u4ef6\u4e0b\u53ef\u4ee5\u6709\u66f4\u597d\u7684\u6f64\u6fd5\uff0c\u6240\u4ee5\u7a7a\u6d1e\u7387\u81ea\u7136\u5c31\u6e1b\u5c11\u3002\u5176\u6b21\uff0c\u6c2e\u6c23\u8b93\u932b\u7c89\u9593\u5f7c\u6b64\u53ef\u4ee5\u66f4\u5feb\u901f\u7684\u6f64\u6fd5\u4e5f\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u6392\u51fa\u5728\u56de\u6d41\u710a\u7194\u878d\u72c0\u614b\u4e0b\u6c23\u9ad4\u7121\u6cd5\u9038\u51fa\u7684\u554f\u984c\u3002<\/font><\/p>\n

\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/em><\/p>\n

\u7406\u8ad6\u4e0a\u5728\u56de\u710a\u7210\u4e2d\u586b\u5145\u6c2e\u6c23\u5c0d\u65bc\u964d\u4f4eBGA\u932b\u7403\u7684\u6c23\u6ce1\u4e5f\u6709\u540c\u6a23\u7684\u6548\u679c\u3002<\/font><\/p>\n

\u4f46\u662f\uff0c\u4e0a\u8ff0\u7684\u7d50\u679c\u4e26\u4e0d\u4e00\u5b9a\u5b8c\u5168\u9069\u7528\u65bc\u6240\u6709\u7684\u710a\u9ede\u3002\u66fe\u7d93\u770b\u904e\u6dfb\u52a0\u6c2e\u6c23\u5f8c\u53cd\u800c\u589e\u52a0BGA\u6c23\u6ce1\u7a7a\u6d1e\u7387\u7684\u4f8b\u5b50\u3002\u4e5f\u8a31\u662f\u6211\u5011\u5c0d\u65bcBGA\u932b\u7403\u6c23\u6ce1\u5f62\u6210\u7684\u539f\u56e0\u9084\u4e0d\u5920\u900f\u5fb9\u5427\uff01<\/font><\/p>\n

2024\/7\/8\u88dc\u5145\u8aaa\u660e\uff1a<\/strong><\/font><\/p>\n

\n

\u7406\u8ad6\u4e0a\uff0c\u5728\u56de\u710a\u7210\u4e2d\u6dfb\u52a0\u6c2e\u6c23(N2<\/sub>)\u53ef\u4ee5\u4f7f\u5f97\u932b\u818f\u53ca\u88ab\u710a\u63a5\u91d1\u5c6c\u7684\u8868\u9762\u5f35\u529b\u8b8a\u5c0f\u3002\u8f03\u5c0f\u7684\u8868\u9762\u5f35\u529b\u6709\u5229\u65bc\u710a\u7c89(powder)\u7684\u64f4\u6563\u53ca\u52a9\u710a\u5291\u6c23\u9ad4\u7684\u9003\u9038\uff0c\u5f9e\u800c\u6e1b\u5c11\u7a7a\u6d1e\u3002\u7136\u800c\uff0c\u8868\u9762\u5f35\u529b\u5c0d\u7a7a\u6d1e\u7684\u5f71\u97ff\u537b\u662f\u53d6\u6c7a\u65bc\u710a\u9ede\u985e\u5225\uff1a<\/font><\/p>\n