![](\"\/\/m.letratesoro.com\/wp-content\/uploads\/2011\/Soder_paste_on_PCB.jpg\")
<\/p>\n<\/p>\n
\uff08\u672c\u6587\u5148\u4e0d\u63a2\u8a0eSPI\u8a2d\u5099\u672c\u8eab\u91cf\u6e2c\u7684\u7cbe\u6e96\u5ea6\u554f\u984c\uff0c\u7d14\u7cb9\u53ea\u662f\u5c31\u54c1\u8cea\u89c0\u9ede\u4f86\u8a0e\u8ad6SPI\u7684\u7ba1\u63a7\u53c3\u6578\uff0c\u9019\u500b\u8b70\u984c\u6c92\u6709\u6a19\u6e96\u7b54\u6848<\/font>\uff0c\u6b61\u8fce\u7559\u8a00\u8a0e\u8ad6\u63d0\u51fa\u4f60\u7684\u770b\u6cd5\uff09<\/em><\/p>\n \u5de5\u4f5c\u718a\u767c\u73fe\u6709\u5f88\u591aSMT\u5de5\u7a0b\u5e2b\u90fd\u4e0d\u592a\u6e05\u695aSPI<\/a>\u7684\u7ba1\u63a7\u53c3\u6578\u662f\u5982\u4f55\u5b9a\u7fa9\u51fa\u4f86\u7684\uff0c\u5c24\u5176\u662f\u91dd\u5c0d\u932b\u818f\u539a\u5ea6\u7684\u4e2d\u5fc3\u503c\u8207\u4e0a\u3001\u4e0b\u754c\u9650\u7684\u516c\u5dee\u662f\u5982\u4f55\u6c7a\u5b9a\u7684\u66f4\u662f\u83ab\u683d\u592e\u3002<\/font><\/p>\n \u800c\u5927\u90e8\u5206SMT\u5de5\u7a0b\u5e2b\u5247\u6703\u76f4\u63a5\u63a1\u7528SPI\u5ee0\u5546\u7d66\u7684\u5efa\u8b70\uff0c\u6709\u4e9b\u6bd4\u8f03\u6709\u826f\u5fc3\u7684\u5ee0\u5546\u53ef\u80fd\u6703\u5efa\u8b70\u4ee5\u92fc\u677f\u7684\u539a\u5ea6\u70ba\u4e2d\u5fc3\u503c\uff0c\u7136\u5f8c\u4e0b\u754c\u9650\u629380%\u3001\u4e0a\u754c\u9650\u6293160%\uff0c\u6709\u7684\u751a\u81f3\u6703\u76f4\u63a5\u5efa\u8b70\u301060%~200%\u3011\u7684\u516c\u5dee\u503c\uff0c\u9019\u9ebc\u4e00\u4f86\u4f60\u53ef\u80fd\u6703\u9a5a\u8a1d\u7684\u767c\u73fe\u600e\u9ebcSPI\u5e7e\u4e4e\u90fd\u4e0d\u6703\u5831\u8b66\u4e14\u6d41\u7a0b\u8b8a\u5f97\u9806\u66a2\u7121\u6bd4\uff0c\u5728\u9019\u7a2e\u689d\u4ef6\u4e0bSPI\u5927\u6982\u53ea\u6703\u6293\u51fa\u90a3\u4e9b\u6709\u56b4\u91cd\u5835\u585e\u6216\u662f\u62c9\u5c16\u7279\u5225\u56b4\u91cd\u7684\u932b\u818f\u5370\u5237\u7f3a\u5931\uff0c\u9019\u771f\u7684\u662f\u4f60\u8981\u7684\u55ce\uff1f<\/font><\/p>\n <\/p>\n \u4f60\u6709\u60f3\u904e\u8a2d\u7f6eSPI\u7684\u771f\u6b63\u76ee\u7684\u662f\u4ec0\u9ebc\uff1fSPI\u53ef\u662f\u6211\u5011\u82b1\u4e86\u5927\u9322\u8cb7\u4f86\u7684\uff0cSPI\u771f\u7684\u5c31\u53ea\u80fd\u7528\u4f86\u6293\u51fa\u9019\u4e9b\u91cd\u5927\u7f3a\u5931\u800c\u5df2\u55ce\uff1f\u5c0d\u65bc\u90a3\u4e9b\u6bd4\u8f03\u7d30\u5c0f\u7684\u96f6\u4ef6\uff08\u59820201\u4ee5\u4e0b\u96f6\u4ef6\uff09\u6216\u662f\u5c0d\u932b\u818f\u91cf\u6bd4\u8f03\u654f\u611f\u7684\u96f6\u4ef6\uff08\u5982BGA\uff09\u5982\u679c\u9075\u5faa\u540c\u6a23\u7684\u516c\u5dee\u6a19\u6e96\u771f\u7684\u4e0d\u6703\u51fa\u73fe\u710a\u932b\u554f\u984c\u55ce\uff1f<\/font><\/font><\/p>\n \u61c9\u8a72\u8981\u4ee5\u56de\u710a\u5f8c\u7684\u710a\u932b\u54c1\u8cea\u4f86\u5224\u65b7\u932b\u818f\u91cf\u5370\u5237\u662f\u5426\u6070\u7576<\/em><\/strong><\/font><\/p>\n \u60f3\u8981\u91d0\u6e05\u9019\u500b\u554f\u984c\u524d\uff0c\u6211\u5011\u8981\u4f86\u5148\u4f86\u505a\u5e7e\u500b\u554f\u7b54\uff1a<\/font><\/p>\n Q1\uff1a\u8a2d\u7f6eSPI\u7684\u771f\u6b63\u76ee\u7684\u662f\u4ec0\u9ebc\uff1f<\/font> Q2\uff1a\u90a3\u4ec0\u9ebc\u53eb\u505a\u932b\u818f\u5370\u5237\u4e0d\u826f\uff1f<\/font> Q3\uff1a\u90a3\u932b\u818f\u91cf\u5370\u5237\u592a\u591a\u6216\u592a\u5c11\u6703\u9020\u6210\u4ec0\u9ebc\u554f\u984c\uff1f<\/font> \u6240\u4ee5\u6700\u7d42\u6211\u5011\u61c9\u8a72\u8981\u4ee5\u56de\u710a\u5f8c\u7684\u710a\u932b\u54c1\u8cea\u6709\u5426\u9020\u6210\u77ed\u8def\u53ca\u7a7a\u710a\u4f86\u8a55\u4f30\u8a72\u932b\u818f\u91cf\u662f\u5426\u6070\u7576\u3002<\/font><\/p>\n \u4e0d\u540c\u710a\u9ede\u5c0d\u932b\u818f\u91cf\u7cbe\u6e96\u5ea6\u8981\u6c42\u4e0d\u4e00\u6a23<\/em><\/strong><\/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 \u9019\u9ebc\u4e00\u4f86\u53c8\u6703\u727d\u626f\u5230\u53e6\u4e00\u500b\u554f\u984c\uff1a\u300c\u4e0d\u540c\u710a\u588a\u5927\u5c0f\u5c0d\u932b\u818f\u91cf\u7cbe\u6e96\u5ea6\u7684\u8981\u6c42\u61c9\u8a72\u4e0d\u4e00\u6a23\uff1f\u300d\uff0c\u6bd4\u5982\u8aaa\u5370\u5237\u57280201\u7684\u932b\u818f\u91cf\u7cbe\u6e96\u5ea6\u8981\u6c42\u61c9\u8a72\u6703\u6bd40805\u7684\u7cbe\u6e96\u5ea6\u4f86\u5f97\u9ad8\u5427\uff01\u4e5f\u5c31\u662f\u8aaa\u8d8a\u7d30\u5c0f\u96f6\u4ef6\u710a\u9ede\u7684\u932b\u818f\u91cf\u516c\u5dee\u61c9\u8a72\u8981\u8d8a\u5c0f\uff0c\u9019\u9ebc\u4e00\u4f86\u540c\u4e00\u7247\u677f\u5b50\u4e0a\u7684\u4e0d\u540c\u710a\u9ede\u4e0d\u5c31\u6703\u6709\u4e0d\u540c\u7684\u516c\u5dee\u9700\u6c42\uff1f\u78ba\u5be6\u4e5f\u662f\u5982\u6b64\uff0c\u771f\u662f\u50b7\u8166\u7b4b\u3002<\/font><\/p>\n \u4e0d\u904e\uff0c\u5982\u679c\u4f60\u60f3\u4f7f\u7528\u4e00\u500b\u516c\u5dee<\/font><\/strong>\u4f86\u7ba1\u63a7\u540c\u4e00\u7247\u677f\u5b50\u4e0a\u7684\u6240\u6709\u710a\u9ede\u4e5f\u4e0d\u662f\u4e0d\u53ef\u4ee5\uff0c\u4f60\u53ea\u8981\u9078\u64c7\u677f\u5b50\u4e0a\u5c0d\u932b\u818f\u5370\u5237\u91cf\u516c\u5dee\u8981\u6c42\u6700\u56b4\u683c\u7684\u710a\u9ede\u4f86\u7576\u6210\u6574\u7247\u677f\u5b50\u7684\u516c\u5dee\u4f86\u7ba1\u63a7\u5c31\u53ef\u4ee5\u4e86\uff0c\u800c\u5be6\u969b\u7684\u4f5c\u6cd5\u61c9\u8a72\u4e5f\u662f\u5982\u6b64\uff0c\u53ea\u8981\u5728\u78b0\u5230\u67d0\u500b\u710a\u9ede\u4e00\u76f4\u5831\u8b66\u6642\u518d\u6aa2\u67e5\u4e00\u4e0b\u662f\u5426\u70ba\u6bd4\u8f03\u5927\u7684\u710a\u9ede\uff0c\u662f\u5426\u53ef\u4ee5\u653e\u5bec\u500b\u5225\u710a\u9ede\u516c\u5dee\u4f86\u505a\u8abf\u6574\u5c31\u53ef\u4ee5\u4e86\uff0c\u9019\u6a23\u4e5f\u53ef\u4ee5\u89e3\u6c7a\u8aa4\u5831\u7387\u6216\u6f0f\u653e\u5370\u5237\u4e0d\u826f\u7684\u554f\u984c\u3002<\/font><\/p>\n \u5229\u7528SPC\u8207\u5370\u5237\u6a5f\u7684\u88fd\u7a0b\u80fd\u529b\u4f86\u5b9a\u7fa9\u932b\u818f\u539a\u5ea6\u7684\u4e0a\u3001\u4e0b\u754c\u9650<\/em><\/strong><\/font><\/p>\n \u9664\u4e86\u4e0a\u8ff0\u7684\u8a66\u8aa4\u6cd5\u4e4b\u5916\uff0c\u5de5\u4f5c\u718a\u9019\u88e1\u6703\u5efa\u8b70\u4f60\u63a1\u7528SPC\u7d71\u8a08\u624b\u6cd5<\/a>\u4e26\u4f9d\u64da\u932b\u818f\u5370\u5237\u6a5f\u7684\u88fd\u7a0b\u80fd\u529b\u4f86\u5b9a\u7fa9\u932b\u818f\u539a\u5ea6\u7ba1\u63a7\u7684\u4e0a\u3001\u4e0b\u754c\u9650\u6a19\u6e96\u3002<\/font><\/p>\n \u6211\u5011\u53ef\u4ee5\u9078\u5b9a1\uff5e5\u500b\u53ef\u4ee5\u4ee3\u8868\u8a72\u7247\u677f\u5b50\u7684\u710a\u9ede\u4e26\u900f\u904eSPC\u7684\u624b\u6cd5\u4f86\u6536\u96c6\u8a08\u7b97\u932b\u818f\u5e73\u5747\u539a\u5ea6\u7684\u6a19\u6e96\u5dee(\u03c3\uff0csigma)\uff0c\u9019\u4e9b\u710a\u9ede\u6700\u597d\u8981\u5305\u542b\u677f\u5b50\u4e0a\u5c0d\u932b\u818f\u91cf\u7cbe\u6e96\u5ea6\u8981\u6c42\u8f03\u56b4\u683c\u7684FBGA (Fine-Pitch BGA)\u6216\u662f\u6709\u7d30\u9593\u8ddd\u710a\u8173\u7684\u96f6\u4ef6\uff0c\u4ee5\u53ca\u5c0d\u932b\u818f\u91cf\u7cbe\u6e96\u5ea6\u8981\u6c42\u6bd4\u8f03\u9b06\u7684\u5927\u710a\u9ede\u3002<\/font><\/p>\n \u898f\u683c\u4e2d\u5fc3\u503c\uff1a<\/strong><\/font><\/p>\n \u5efa\u8b70\u4e00\u6a23\u53d6\u92fc\u677f\u539a\u5ea6\u4f86\u7576\u505a\u932b\u818f\u5370\u5237\u7684\u4e2d\u5fc3\u503c\u3002\u92fc\u677f\u539a\u5ea6\u662f\u6211\u5011\u53ef\u4ee5\u81ea\u5df1\u5b9a\u7fa9\u4e14\u7ba1\u63a7\u7684\u6750\u6599\u53c3\u6578\uff0c\u800c\u92fc\u677f\u539a\u5ea6\u5176\u5be6\u4e5f\u662f\u6211\u5011\u5728\u505a\u932b\u818f\u5370\u5237\u539a\u5ea6\u6240\u8ffd\u6c42\u7684\u76ee\u6a19\u503c\u3002<\/font><\/p>\n \u898f\u683c\u4e0a\u3001\u4e0b\u754c\u9650\uff1a<\/strong><\/font><\/p>\n \u4e00\u822c\u61c9\u8a72\u8981\u7528+\/-3\u03c3\u4f86\u4f5c\u70ba\u898f\u683c\u7684\u4e0a\u3001\u4e0b\u754c\u9650\uff0c\u7136\u5f8c\u9010\u6b65\u6392\u9664\u88fd\u7a0b\u4e2d\u7684\u8b8a\u7570\u56e0\u7d20\uff0c\u4f46\u5be6\u969b\u64cd\u4f5c\u4e0b\u4f86\uff0c\u6703\u767c\u73fe\u5be6\u969b\u5370\u5237\u51fa\u4f86\u7684\u932b\u818f\u4e00\u822c\u90fd\u6703\u6bd4\u92fc\u677f\u7684\u539a\u5ea6\u8981\u4f86\u5f97\u539a\uff0c\u539f\u56e0\u662fPCB\u4e0a\u9762\u6703\u5370\u6709\u300c\u9632\u710a\u7da0\u6f06(solder mask)\u300d\u8207\u300c\u7d72\u5370\u767d\u6f06(silkscreen)\u300d\u6703\u588a\u9ad8\u92fc\u677f\uff0c\u53e6\u5916\u522e\u5200\u7684\u58d3\u529b\u3001\u901f\u5ea6\u8207\u89d2\u5ea6\u4e5f\u90fd\u6703\u5f71\u97ff\u5230\u5370\u5237\u7684\u932b\u818f\u91cf\uff0c\u9084\u6709\u4e00\u500b\u5f88\u591a\u4eba\u53ef\u80fd\u90fd\u5ffd\u7565\u6389\u537b\u5f88\u56b4\u91cd\u7684\u8b8a\u7570-\u677f\u5f4e\u8b8a\u5f62\u3002\u6240\u4ee5…<\/font><\/p>\n \u5982\u679c\u5be6\u969b\u932b\u818f\u539a\u5ea6\u5e73\u5747\u4e2d\u5fc3\u5f80\u4e0a\u504f\u79fb\u7d041.0\u03c3\u6642\uff0c\u5efa\u8b70\u4e0a\u4e0b\u754c\u9650\u53ef\u4ee5\u53d6+\/-4\u03c3\u3002\u9019\u6a23\u521d\u59cbCpk<\/a>\u7b97\u51fa\u4f86\u6703\u57281.0\u5de6\u53f3\u3002 \u5982\u679c\u5be6\u969b\u932b\u818f\u539a\u5ea6\u4e2d\u5fc3\u5f80\u4e0a\u504f\u79fb\u7d041.5\u03c3\u6642\uff0c\u5efa\u8b70\u4e0a\u4e0b\u754c\u9650\u53ef\u4ee5\u53d6+\/-4.5\u03c3\u3002\u9019\u6a23\u521d\u59cbCpk<\/a>\u7b97\u51fa\u4f86\u6703\u57281.0\u5de6\u53f3\u3002 \u4e0d\u5efa\u8b70\u63a1\u7528\u4e2d\u5fc3\u503c\u504f\u79fb\u8d85\u904e1.5\u03c3\u4ee5\u4e0a\u7684\u6578\u64da\uff0c\u800c\u61c9\u8a72\u8981\u5148\u6aa2\u8a0e\u70ba\u4f55\u932b\u818f\u5370\u5237\u539a\u5ea6\u6703\u504f\u79fb\u4e2d\u5fc3\u503c\u5982\u6b64\u5927\uff0c\u60d5\u9664\u4e0d\u5408\u7406\u7684\u6578\u64da\u4e4b\u5f8c\u518d\u4f86\u4f7f\u7528SPC\u3002<\/font><\/p>\n<\/li>\n \u4e0d\u5efa\u8b70\u79fb\u52d5\u898f\u683c\u4e2d\u5fc3\u503c\uff0c\u56e0\u70ba\u6211\u5011\u7684\u76ee\u6a19\u4f9d\u7136\u9084\u662f\u92fc\u677f\u539a\u5ea6\uff0c\u79fb\u52d5\u898f\u683c\u4e2d\u5fc3\u6703\u8b93\u6211\u5011\u7684\u76ee\u6a19\u5931\u6e96\u3002<\/font><\/p>\n<\/li>\n<\/ul>\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 \u7576\u6211\u5011\u4f7f\u7528\u6a19\u6e96\u5dee(\u03c3)\u5b9a\u7fa9\u51fa\u4e86\u932b\u818f\u539a\u5ea6\u7684\u898f\u683c\u4e0a\u3001\u4e0b\u754c\u9650\u5f8c\uff0c\u8981\u518d\u56de\u53bb\u505a\u78ba\u8a8d\u8207\u6bd4\u5c0d\uff0c\u7576\u932b\u818f\u539a\u5ea6\u525b\u597d\u843d\u5728\u898f\u683c\u7684\u4e0a\u754c\u9650\u8207\u4e0b\u754c\u9650\u6642\uff0c\u56de\u710a\u5f8c\u7684\u710a\u932b\u54c1\u8cea\u4ecd\u7136\u5fc5\u9808\u7b26\u5408\u710a\u932b\u7684\u54c1\u8cea\u8981\u6c42\uff0c\u7136\u5f8c\u8981\u8a66\u8457\u904b\u7528PDCA\u5faa\u74b0<\/a>\u4f86\u6539\u5584\u4e26\u63d0\u9ad8Cpk\u3002<\/font><\/p>\n \u4e0b\u5217\u6709\u5e7e\u500b\u65b9\u6cd5\u63d0\u4f9b\u7d66\u60f3\u6539\u5584\u932b\u818f\u5370\u5237Cpk\u7684\u670b\u53cb\u53c3\u8003\uff1a<\/font><\/p>\n \u7528\u9b5a\u9aa8\u5716\u5217\u51fa\u6240\u6709\u53ef\u80fd\u5f71\u97ff\u932b\u818f\u5370\u5237\u7684\u56e0\u7d20\uff0c\u7136\u5f8c\u6392\u9664\u751f\u7522\u4e2d\u6240\u53ef\u80fd\u7522\u751f\u7684\u300c\u6a5f\u9047\u8b8a\u7570\u300d\u8207\u300c\u975e\u6a5f\u9047\u8b8a\u7570\u300d\u3002<\/font><\/p>\n \u76f8\u95dc\u95b1\u8b80\uff1a<\/font> \u8abf\u6574\u932b\u818f\u5370\u5237\u6a5f\u4e2d\u522e\u5200\u7684\u8a2d\u5b9a\u53c3\u6578\uff08\u58d3\u529b\u3001\u901f\u5ea6\u3001\u89d2\u5ea6\uff09\u3002<\/font><\/p>\n \u76f8\u95dc\u95b1\u8b80\uff1a<\/font> \u63d0\u6607\u92fc\u677f\u54c1\u8cea\u3002\u6bd4\u5982\u6539\u7528\u9433\u5c04\u3001\u5948\u7c73\u5857\u5c64\u6216\u96fb\u9444\u92fc\u677f\u4f86\u7a69\u5b9a\u843d\u932b\u91cf\u3002<\/font><\/p>\n<\/li>\n \u63a1\u7528\u9ad8\u865f\u6578\u7684\u932b\u818f\u4f86\u589e\u52a0\u843d\u932b\u91cf\u3002\u932b\u818f\u7de8\u865f\u6578\u8d8a\u9ad8\uff0c\u5247\u932b\u7c89\u7684\u9846\u7c92\u5c31\u8d8a\u5c0f\uff0c\u8d8a\u5bb9\u6613\u4e0b\u932b\u3002 <\/font><\/p>\n \u76f8\u95dc\u95b1\u8b80\uff1a<\/font> \u8981\u60f3\u8fa6\u6cd5\u8b93\u932b\u818f\u539a\u5ea6\u7684\u4e2d\u5fc3\u503c\u8da8\u8fd1\u92fc\u677f\u539a\u5ea6\u3002\u7576Cpk\u5927\u65bc1.5\u5f8c\uff0c\u5efa\u8b70\u8981\u91cd\u65b0\u8a08\u7b97\u6a19\u6e96\u5dee(\u03c3)\u7e2e\u5c0f\u539f\u4f86\u898f\u683c\u7684\u4e0a\u3001\u4e0b\u9650\uff0c\u5982\u6b64\u5faa\u74b0\u6301\u7e8c\u54c1\u8cea\u6539\u5584\u3002<\/font><\/p>\n \u5f8c\u8a18\uff1a<\/em><\/strong><\/font><\/p>\n SPI\u9664\u4e86\u53ef\u4ee5\u7ba1\u63a7\u932b\u818f\u5370\u5237\u7684\u539a\u5ea6\u53ca\u932b\u91cf\u5916\uff0c\u9084\u53ef\u4ee5\u7ba1\u63a7\u5370\u5237\u7684\u504f\u79fb\u91cf\uff0c\u4f46\u662f\u932b\u818f\u5370\u5237\u7684\u504f\u79fb\u91cf\u5176\u5be6\u4e5f\u53d7\u5f88\u591a\u56e0\u7d20\u5f71\u97ff\uff0c\u9664\u4e86\u92fc\u677f\u53ca\u5370\u5237\u6a5f\u7684\u7cbe\u6e96\u5ea6\u4e4b\u5916\uff0c\u6700\u5927\u7684\u56e0\u7d20\u5c31\u662f\u62fc\u677f\u53ca\u677f\u6750\u71b1\u8139\u7e2e\u6240\u9020\u6210\u7684\u504f\u79fb\u91cf\u4e86\uff0c\u677f\u6750\u7684\u54c1\u8cea\u53ef\u662f\u4e00\u5206\u9322\u4e00\u5206\u8ca8\u7684\u3002<\/font><\/p>\n \u76f8\u95dc\u95b1\u8b80\uff1a<\/font>\u6c7a\u5b9aPCB\u7684\u9023\u677f\u62fc\u677f\u6578\u91cf\u6642\u61c9\u8a72\u8003\u616e\u7684\u5e7e\u500b\u56e0\u7d20<\/font><\/a><\/p>\n \uff08\u4ee5\u4e0a\u53ea\u662f\u500b\u4eba\u89c0\u9ede\uff0c\u4e0d\u4e00\u5b9a\u662f\u6700\u597d\u7684\u57f7\u884c\u65b9\u6848\uff0c\u6b61\u8fce\u7559\u8a00\u8a0e\u8ad6\uff09<\/strong><\/font><\/p>\n <\/p>\n <\/strong>\u5ef6\u4f38\u95b1\u8b80\uff1a \uff08\u672c\u6587\u5148\u4e0d\u63a2\u8a0eSPI\u8a2d\u5099\u672c\u8eab\u91cf\u6e2c\u7684\u7cbe\u6e96\u5ea6\u554f\u984c\uff0c\u7d14 …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,22,3,4,116,123],"tags":[199,75],"class_list":["post-9445","post","type-post","status-publish","format-standard","hentry","category-process","category-quality","category-smt","category-soldering","category-spc","category-concept","tag-spi","tag-75"],"aioseo_notices":[],"views":12734,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/9445"}],"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=9445"}],"version-history":[{"count":21,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/9445\/revisions"}],"predecessor-version":[{"id":10434,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/9445\/revisions\/10434"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=9445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=9445"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=9445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
A1\uff1a\u61c9\u8a72\u662f\u70ba\u4e86\u8981\u63d0\u524d\u6aa2\u67e5\u7be9\u9078\u51fa\u6709\u5426\u932b\u818f\u5370\u5237\u4e0d\u826f\u7684\u7f3a\u5931\u3002<\/font><\/p>\n
A2\uff1a\u5c31\u662f\u932b\u818f\u91cf\u5370\u5237\u592a\u591a\u6216\u592a\u5c11\u3002<\/font><\/p>\n
A3\uff1a\u932b\u818f\u5370\u591a\u4e86\u6703\u9020\u6210\u710a\u932b\u77ed\u8def\uff0c\u932b\u818f\u5370\u5c11\u4e86\u5247\u6703\u9020\u6210\u7a7a\u710a\u3002<\/font><\/p>\n\n
<\/font>Cp=8\u03c3\/6\u03c3, Ck=1\u03c3\/4\u03c3, Cpk=(1-Ck)xCp=(1-1\/4)x4\/3=1.0<\/font><\/p>\n<\/li>\n
Cp=9\u03c3\/6\u03c3, Ck=1.5\u03c3\/4.5\u03c3, Cpk=(1-Ck)xCp=(1-1\/3)x3\/2=1.0<\/font><\/font><\/p>\n<\/li>\n\n
\u7d71\u8a08\u88fd\u7a0b\u4e2d\u7684\u300c\u6a5f\u9047\u8b8a\u7570\u300d\u8207\u300c\u975e\u6a5f\u9047\u8b8a\u7570\u300d\u539f\u56e0<\/font><\/a>
SMT\u751f\u7522\u7dda\u9700\u8981\u7ba1\u63a7\u74b0\u5883\u843d\u5875\u91cf\u55ce\uff1f\u843d\u5875\u5c0d\u54c1\u8cea\u6703\u6709\u4f55\u5f71\u97ff\uff1f<\/font><\/a> ![](\"\/\/m.letratesoro.com\/wp-content\/uploads\/469d68e9799e.png\")
<\/p>\n<\/li>\n
\u904b\u7528\u5be6\u9a57\u8a2d\u8a08\u6cd5\u5c0b\u627eSMT\u932b\u818f\u5370\u5237\u539a\u5ea6\u7684\u7ba1\u63a7\u689d\u4ef6<\/font><\/a>
\u5982\u4f55\u5c07\u932b\u818f\u5370\u5237\u65bc\u96fb\u8def\u677f(solder paste printing)\u8207\u5f71\u97ff\u932b\u818f\u5370\u5237\u54c1\u8cea\u7684\u56e0\u7d20<\/font><\/a><\/p>\n<\/li>\n
\u4ecb\u7d39\u4e26\u8a8d\u8b58\u3010\u932b\u818f(solder paste)\u3011\u7684\u57fa\u672c\u77e5\u8b58(\u542b\u52a9\u710a\u5291)<\/font><\/a><\/p>\n<\/li>\n<\/ul>\n
\n
\u7c21\u4ecbSMT\u8868\u9762\u8cbc\u710a\u6d41\u7a0b\u4e2d\u5305\u542b\u54ea\u4e9b\u88fd\u7a0b\u8207\u6ce8\u610f\u4e8b\u9805<\/a>
SPI(Solder Paste Inspection)\u932b\u818f\u6aa2\u67e5\u6a5f\u53ef\u4ee5\u505a\u4ec0\u9ebc\uff1f<\/a>
\u4f55\u8b02SMT\u300c\u7d05\u81a0\u300d\u88fd\u7a0b\uff1f\u4ec0\u9ebc\u6642\u5019\u8a72\u7528\u7d05\u81a0\u5462\uff1f\u6709\u4f55\u9650\u5236\u5462\uff1f<\/a> <\/font><\/p>\n","protected":false},"excerpt":{"rendered":"