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\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 \u4e5f\u5c31\u662f\u8aaa\uff0c\u56de\u710a\u7210\u52a0\u6c2e\u6c23\u96d6\u7136\u53ef\u4ee5\u6539\u5584BGA\u932b\u7403\u8207\u710a\u588a\u4ecb\u9762\u8655\u7684\u7a7a\u6d1e\uff0c\u4f46\u537b\u4f7f\u5f97BGA\u932b\u7403\u5167\u7684\u7a7a\u6d1e\u8b8a\u5927\uff0c\u56e0\u70ba\u5c0f\u5b54\u5c07\u6703\u805a\u96c6\u518d\u4e00\u8d77\u6210\u70ba\u5927\u5b54\u3002<\/font><\/font><\/p>\n \u53e6\u5916\uff0c\u6c2e\u6c23\u9084\u6703\u52a0\u5927\u56de\u710a\u7210\u5167\u7684\u6c23\u58d3\uff0c\u4f7f\u5f97BGA\u932b\u7403\u4e2d\u7684\u6c23\u9ad4\u66f4\u4e0d\u6613\u9003\u9038\u3002<\/font><\/p>\n<\/blockquote>\n <\/p>\n \u8461\u8404\u7403\u6216\u8461\u8404\u73e0\u73fe\u8c61(Graping)\u4e00\u822c\u662f\u6307\u5728\u56de\u710a\u4e2d<\/font>\u932b\u818f<\/font><\/a>\u6c92\u6709\u5b8c\u5168\u4e92\u76f8\u878d\u5408\u710a\u63a5\u5728\u4e00\u8d77\uff0c\u53cd\u800c\u805a\u96c6\u8b8a\u6210\u4e00\u7c92\u7c92\u5404\u81ea\u7368\u7acb\u7684\u932b\u73e0\u4e26\u5806\u758a\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u985e\u4f3c\u8461\u8404\u7403\u4e32\u7684\u73fe\u8c61\u3002<\/font><\/p>\n \u8461\u8404\u7403\u73fe\u8c61\u7684\u5f62\u6210\u901a\u5e38\u4f86\u81ea\u932b\u818f\u672c\u8eab\u6c27\u5316\u6216\u662f\u932b\u818f\u4e2d\u52a9\u710a\u5291\u63d0\u524d\u63ee\u767c\u4ee5\u81f4\u932b\u7c89\u8868\u9762\u7684\u6c27\u5316\u819c\u592a\u539a\u800c\u7121\u6cd5\u88ab\u7a81\u7834\u6216\u5b8c\u5168\u6e05\u9664\u4ee5\u9054\u6210\u4e92\u76f8\u7194\u878d\u7684\u4e8b\u5be6\u3002\u96a8\u8457\u96fb\u5b50\u96f6\u4ef6\u8d8a\u505a\u8d8a\u5c0f\uff0c\u932b\u818f\u7684\u5370\u5237\u91cf\u4e5f\u8ddf\u8457\u8d8a\u4f86\u8d8a\u5c11\uff0c\u76f8\u5c0d\u5730\u932b\u818f\u4e2d\u932b\u7c89\u76f4\u63a5\u66b4\u9732\u5728\u7a7a\u6c23\u4e2d\u7684\u8868\u9762\u7a4d\u6bd4\u7387\u4e5f\u5c31\u660e\u986f\u589e\u52a0\uff0c\u5982\u679c\u4f7f\u7528\u66f4\u5c0f\u7684\u932b\u7c89\u76f4\u5f91\uff08\u66f4\u5927\u7684\u865f\u6578\uff09\uff0c\u932b\u7c89\u8868\u9762\u7a4d\u6c27\u5316\u6bd4\u7387\u4e5f\u6703\u66f4\u9ad8\u3002<\/font><\/p>\n \u60f3\u50cf10\u9846\u8207100\u9846\u73bb\u7483\u73e0\u5206\u5225\u7528\u81a0\u6c34\u5806\u5728\u4e00\u8d77\u6210\u70ba\u65b9\u584a\u7684\u6a23\u5b50\uff0c100\u9846\u4e00\u5806\u7684\u73bb\u7483\u73e0\u4e2d\u88ab\u5305\u8986\u5728\u5167\u5c64\u7684\u6bd4\u7387\u662f\u5426\u6bd410\u9846\u73bb\u7483\u73e0\u4f86\u5f97\u591a\uff0c\u800c\u932b\u818f\u4e2d\u7684\u932b\u7c89\u5c31\u50cf\u73bb\u7483\u73e0\u4e00\u6a23\uff0c\u81a0\u6c34\u5247\u662f\u52a9\u710a\u5291\u3002\u5806\u758a\u7684\u932b\u818f\u8655\u65bc\u8d8a\u6700\u5916\u5c64\u7684\u932b\u7c89\u5247\u5bb9\u6613\u8207\u7a7a\u6c23\u63a5\u89f8\u800c\u767c\u751f\u6c27\u5316\uff0c\u5167\u5c64\u7684\u932b\u7c89\u5247\u53ef\u4ee5\u4e92\u76f8\u878d\u5408\u3002\u9019\u4e5f\u662f\u70ba\u4f55\u6709\u4e9b\u710a\u932b\u770b\u8d77\u4f86\u6709\u8461\u8404\u7403\u73fe\u8c61\u537b\u672a\u5f71\u97ff\u7522\u54c1\u7684\u529f\u80fd\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 \u5728\u56de\u710a\u7210\u4e2d\u6dfb\u52a0\u6c2e\u6c23\u53ef\u4ee5\u964d\u4f4e\u932b\u7c89\u5728\u56de\u710a\u7210\u4e2d\u6c27\u5316\u7684\u98a8\u96aa\uff0c\u4f46\u5982\u679c\u932b\u818f\u5df2\u7d93\u63d0\u524d\u6c27\u5316\u3001\u6216\u662f\u5176\u52a9\u710a\u5291\u7121\u6cd5\u767c\u63ee\u4fdd\u8b77\u932b\u7c89\u6e05\u9664\u6c27\u5316\u7684\u4f5c\u7528\uff0c\u90a3\u9ebc\u6dfb\u52a0\u6c2e\u6c23\u5c0d\u8461\u8404\u7403\u73fe\u8c61\u662f\u6c92\u6709\u5e6b\u52a9\u7684\u3002<\/font><\/p>\n \u76f8\u95dc\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>\u4ec0\u9ebc\u662fSMT\u8461\u8404\u7403\u73e0\u73fe\u8c61(Graping)\uff1f\u8a72\u5982\u4f55\u89e3\u6c7a\uff1f<\/font><\/a><\/p>\n <\/p>\n \u300c\u6795\u982d\u6548\u61c9(HIP\/HoP)\u300d\u7684\u5f62\u6210\u539f\u56e0\u6700\u4e3b\u8981\u662fBGA\u96f6\u4ef6\u5728<\/font>\u56de\u710a(Reflow)<\/font><\/a>\u7684\u9ad8\u6eab\u904e\u7a0b\u4e2d\uff0cBGA\u8f09\u677f\u6216\u662f\u96fb\u8def\u677f\u56e0\u7121\u6cd5\u4efb\u53d7\u9ad8\u6eab\u800c\u767c\u751f\u677f\u5f4e\u3001<\/font>\u677f\u7ff9(warpage)<\/font><\/a>\u6216\u662f\u5176\u4ed6\u539f\u56e0\u8b8a\u5f62\uff0c\u4f7f\u5f97BGA\u7684\u932b\u7403(ball)\u8207\u5370\u5237\u5728\u96fb\u8def\u677f\u4e0a\u7684\u932b\u818f\u5206\u96e2\uff0c\u7576\u96fb\u8def\u677f\u7d93\u904e\u9ad8\u6eab\u300c\u56de\u710a\u5340(reflow zone)\u300d\u5f8c\u51b7\u537b\uff0cBGA\u8f09\u677f\u8207\u96fb\u8def\u677f\u7684\u8b8a\u5f62\u4e5f\u6162\u6162\u56de\u5fa9\u5230\u4e4b\u524d\u7684\u72c0\u6cc1\uff0c\u4f46\u9019\u6642\u7684\u6eab\u5ea6\u65e9\u5df2\u4f4e\u65bc\u7194\u932b\u6eab\u5ea6\uff0c\u65bc\u662f\u4fbf\u5f62\u6210\u985e\u4f3c\u4e00\u9846\u982d\u9760\u5728\u6795\u982d\u4e0a\u7684<\/font>\u865b\u710a\u6216\u5047\u710a<\/font><\/a>\u7684\u710a\u63a5\u5f62\u72c0\u3002<\/font><\/font><\/p>\n \u53e6\u4e00\u7a2e\u53ef\u80fd\u539f\u56e0\u662fBGA\u932b\u7403\u5df2\u7d93\u767c\u751f\u4e9b\u5fae\u7684\u6c27\u5316\uff0c\u7576\u932b\u818f\u7684\u52a9\u710a\u5291\u6d3b\u6027\u4e0d\u8db3\u4ee5\u6e05\u9664BGA\u932b\u7403\u4e0a\u7684\u6c27\u5316\u5c64\uff0c\u5c31\u6703\u963b\u64cb\u932b\u818f\u8207BGA\u932b\u7403\u878d\u5408\uff0c\u6700\u7d42\u9020\u6210\u5169\u500b\u7403\u9760\u5728\u4e00\u8d77\u7684\u73fe\u8c61\u3002<\/font><\/p>\n \u5728\u56de\u710a\u7210\u6dfb\u52a0\u6c2e\u6c23\u5247\u53ef\u4ee5\u90e8\u4efd\u89e3\u6c7a\u56e0\u70ba\u52a9\u710a\u5291\u6d3b\u6027\u4e0d\u8db3\u554f\u984c\uff0c\u4f46\u5c0d\u65bc\u56e0\u70ba\u96fb\u8def\u677f\u6216BGA\u8f09\u677f\u8b8a\u5f62\u800c\u9020\u6210\u7684HoP\/HIP\u5247\u7121\u6fdf\u65bc\u4e8b\u3002<\/font><\/p>\n \u76f8\u95dc\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>BGA\u6795\u982d\u6548\u61c9(head-in-pillow,HIP)\u767c\u751f\u7684\u53ef\u80fd\u539f\u56e0\u8207\u6a5f\u7406<\/font><\/a><\/p>\n <\/p>\n \u56de\u710a\u7210\u4e2d\u6dfb\u52a0\u6c2e\u6c23\uff0c\u57fa\u672c\u4e0a\u4e00\u5b9a\u6709\u52a9\u710a\u63a5\u6f64\u6fd5\u7684\u63d0\u6607\u3002\u6c2e\u6c23\u5c0d\u6f64\u6fd5\u7684\u57fa\u672c\u4f5c\u7528\u6709\u4e8c\uff1a<\/font><\/font><\/p>\n \u4f46\u5982\u679c\u932b\u818f\u53ca\u96fb\u8def\u677f\u7684\u710a\u588a\u5728\u9032\u5165\u56de\u710a\u7210\u524d\u5c31\u5df2\u7d93\u8b8a\u8cea\u6216\u6c27\u5316\uff0c\u5c31\u7b97\u6c2e\u6c23\u518d\u53b2\u5bb3\uff0c\u61c9\u8a72\u9084\u662f\u7121\u6cd5\u505a\u5230\u8d77\u6b7b\u56de\u751f\u5730\u6b65\u7684\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 \u53e6\u5916\uff0c\u9019\u88e1\u6709\u500b\u53ef\u80fd\u8b93\u4f60\u611f\u5230\u56f0\u64fe\u6216\u6709\u8208\u8da3\u7684\u73fe\u8c61\uff1a<\/em><\/font>\u5728\u6dfb\u52a0\u6c2e\u6c23\u7684\u74b0\u5883\u4e0b\u96f6\u4ef6\u5f15\u8173\u7684\u722c\u932b\u9ad8\u5ea6\u5c07\u6703\u4f4e\u65bc\u7a7a\u6c23\u74b0\u5883\uff08\u672a\u958b\u6c2e\u6c23\uff09<\/font><\/strong>\u3002\u600e\u9ebc\u6703\u9019\u6a23\uff1f\u9019\u662f\u56e0\u70ba\u6c2e\u6c23\u96d6\u7136\u6709\u6548\u5730\u6f64\u6fd5\u4e86\u96fb\u8def\u677f\u7684\u710a\u588a\uff0c\u4f46\u53ef\u80fd\u4e5f\u56e0\u70ba\u6c2e\u6c23\u4e0b\u710a\u932b\u5728\u710a\u588a\u4e0a\u7684\u64f4\u6563\u6548\u679c\u592a\u597d\uff0c\u53cd\u800c\u5f71\u97ff\u5230\u96f6\u4ef6\u5f15\u8173\u7684\u722c\u932b\u9ad8\u5ea6\u3002\u5c31\u985e\u4f3c\u300c\u6c34\u5f80\u4e0b\u6d41\u300d\u7684\u8da8\u52e2\u4e00\u6a23\uff0c\u710a\u932b\u6703\u8d8a\u52a0\u5730\u5f80\u5bb9\u6613\u5403\u932b\u7684\u5730\u65b9\u79fb\u52d5\uff0c\u65e2\u7136\u710a\u588a\u8b8a\u5f97\u5bb9\u6613\u6f64\u6fd5\u5403\u932b\u4e86\uff0c\u4f55\u5fc5\u518d\u514b\u670d\u91cd\u529b\u5f80\u5f15\u8173\u4e0a\u9762\u722c\u5462\u3002<\/font><\/p>\n \u76f8\u95dc\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>PCB\u53ca\u96fb\u5b50\u96f6\u4ef6\u710a\u932b\u5403\u5f97\u597d\u4e0d\u597d(\u6f64\u6fd5\u3001\u4e0d\u6f64\u6fd5\u3001\u7e2e\u932b\u3001\u9000\u6f64\u6fd5)\u7684\u539f\u7406\u662f\u4ec0\u9ebc\uff1f<\/font><\/a><\/p>\n \u5893\u7891\u6548\u61c9(Tombstone)\u662f\u56e0\u70ba\u540c\u4e00\u500b\u96f6\u4ef6\u5169\u7aef\u878d\u932b\u6642\u9593\u4e0d\u4e00\u81f4\uff0c\u6700\u7d42\u9020\u6210\u5169\u7aef\u53d7\u529b\u4e0d\u5747\uff0c\u4ee5\u81f4\u4e00\u7aef\u53d7\u529b\u8f03\u5927\u70ba\u652f\u9ede\u8209\u8d77\u96f6\u4ef6\u53e6\u4e00\u7aef\u61f8\u7a7a\u800c\u6210\u3002<\/font><\/p>\n 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