{"id":7996,"date":"2019-06-19T08:09:00","date_gmt":"2019-06-19T00:09:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=7996"},"modified":"2023-08-03T12:02:10","modified_gmt":"2023-08-03T04:02:10","slug":"pcb-bake","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2019\/06\/pcb-bake\/","title":{"rendered":"PCB\u5982\u4f55\u70d8\u70e4\uff1f\u70d8\u70e4\u689d\u4ef6\u8207\u65b9\u6cd5\uff0c\u70ba\u4ec0\u9ebc\u904e\u671f\u7684PCB\u8981\u5148\u70d8\u70e4\u624d\u80fd\u6253SMT\u6216\u904e\u56de\u710a\u7210\uff1f"},"content":{"rendered":"

\"\u70ba\u4ec0\u9ebc\u904e\u671f\u7684PCB\u8981\u5148\u70d8\u70e4\u624d\u80fd\u6253SMT\u6216\u904e\u7210\uff1f\"\u5c0d\u8a31\u591a\u5de5\u7a0b\u5e2b\u4f86\u8aaa\uff0c\u4ed6\u5011\u53ef\u80fd\u5c31\u662f\u641e\u4e0d\u61c2\u300c\u70ba\u4ec0\u9ebcPCB\u904e\u671f\u8d85\u904e\u4fdd\u5b58\u671f\u9650\u5f8c\u5c31\u4e00\u5b9a\u8981\u5148\u70d8\u70e4\u624d\u80fd\u6253SMT\u904e\u56de\u710a\u7210\u5462\uff1f\u300d\uff0c\u9084\u662f\u4f60\u89ba\u5f97\u4e0d\u7ba1PCB\u6709\u6c92\u6709\u904e\u671f\u7e3d\u4e4b\u5148\u70e4\u4e86\u518d\u8aaa\uff1f\u54ea\u4f60\u77e5\u9053PCB\u904e\u671f\u5f8c\u70ba\u4f55\u9700\u8981\u70d8\u70e4\uff1fPCB\u70d8\u70e4\u53c8\u6709\u90a3\u4e9b\u9650\u5236\uff1f<\/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

PCB\u70d8\u70e4\u7684\u4e3b\u8981\u76ee\u7684\u5728\u53bb\u6fd5\u9664\u6f6e\uff0c\u9664\u53bbPCB\u5167\u542b\u6216\u5f9e\u5916\u754c\u5438\u6536\u7684\u6c34\u6c23<\/font><\/strong>\uff0c\u56e0\u70ba\u6709\u4e9bPCB\u672c\u8eab\u6240\u4f7f\u7528\u7684\u6750\u8cea\u5c31\u5bb9\u6613\u5f62\u6210\u6c34\u5206\u5b50\uff0c\u53e6\u5916\uff0cPCB\u751f\u7522\u51fa\u4f86\u64fa\u653e\u4e00\u6bb5\u6642\u9593\u5f8c\u4e5f\u6709\u6a5f\u6703\u5438\u6536\u74b0\u5883\u4e2d\u7684\u6c34\u6c23\uff0c\u800c\u300c\u6c34\u300d\u5247\u662f\u9020\u6210PCB\u7206\u677f(popcorn)<\/a>\u6216\u5206\u5c64(delamination)\u7684\u4e3b\u8981\u5147\u624b\u4e4b\u4e00\uff0c\u300c\u6c34\u300d\u4e5f\u662f\u52a9\u9577\u6c27\u5316\u7684\u5e6b\u51f6\u3002<\/font><\/p>\n

<\/p>\n

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PCB\u70d8\u70e4\u7684\u53c3\u8003\u6587\u4ef6<\/strong><\/font><\/p>\n

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PCB\u7684\u70d8\u70e4\u6a19\u6e96\u5176\u5be6\u61c9\u8a72\u53c3\u8003IPC-1602\uff08\u53d6\u4ee3IPC-1601\uff09<\/font><\/strong>\u6587\u4ef6\uff0c\u800c\u70d8\u70e4\u7684profile\u5247\u53d6\u6c7a\u65bc\u4e0d\u540c\u7684\u8868\u9762\u8655\u7406(finished)\uff0c\u56e0\u70ba\u76f8\u540c\u7684\u6eab\u5ea6\u8207\u6642\u9593\u6703\u5c0d\u4e0d\u540c\u8868\u9762\u8655\u7406\u7684\u6750\u8cea\u7522\u751f\u4e0d\u540c\u7684\u5f71\u97ff\u3002<\/font><\/p>\n

PCB\u70d8\u70e4\u7684\u689d\u4ef6\u8a2d\u5b9a<\/strong><\/font><\/p>\n

\u76ee\u524d\u696d\u754c\u4e00\u822c\u5c0d\u65bcPCB\u70d8\u70e4\u7684\u689d\u4ef6\u8207\u6642\u9593\u8a2d\u5b9a\u5982\u4e0b\uff08\u9019\u4e9b\u689d\u4ef6\u4e00\u822c\u4e0d\u9069\u7528\u65bcOSP\u8868\u9762\u8655\u7406\u7684\u677f\u5b50\uff0cOSP\u7684\u70d8\u70e4\u689d\u4ef6\u5efa\u8b70\u8981\u8aee\u8a62\u751f\u7522\u8a72PCB\u7684\u4f9b\u61c9\u5546\uff09\uff1a<\/font><\/p>\n

1.PCB\u65bc\u88fd\u9020\u65e5\u671f2\u500b\u6708\u5167\u4e14\u5bc6\u5c01\u826f\u597d\uff0c\u62c6\u5c01\u5f8c\u653e\u7f6e\u65bc\u6709\u6eab\u5ea6\u8207\u6fd5\u5ea6\u63a7\u5236\u7684\u74b0\u5883\uff08\u226630\u00b0C\/60%RH\uff0c\u4f9d\u64daIPC-1601\u62161602\uff09\u4e0b\u8d85\u904e5\u5929\u8005\uff0c\u4e0a\u7dda\u524d\u9700\u4ee5120+\/-5\u00b0C\u70d8\u70e41\u500b\u5c0f\u6642\u3002<\/font><\/p>\n

2.PCB\u5b58\u653e\u8d85\u904e\u88fd\u9020\u65e5\u671f2\uff5e6\u500b\u6708\uff0c\u4e0a\u7dda\u524d\u9700\u4ee5120+\/-5\u00b0C\u70d8\u70e42\u500b\u5c0f\u6642\u3002<\/font><\/p>\n

3.PCB\u5b58\u653e\u8d85\u904e\u88fd\u9020\u65e5\u671f6\uff5e12\u500b\u6708\uff0c\u4e0a\u7dda\u524d\u9700\u4ee5120+\/-5\u00b0C\u70d8\u70e44\u500b\u5c0f\u6642\u3002<\/font><\/p>\n

4.PCB\u5b58\u653e\u8d85\u904e\u88fd\u9020\u65e5\u671f12\u500b\u6708\u4ee5\u4e0a\uff0c\u57fa\u672c\u4e0a\u4e0d\u5efa\u8b70\u4f7f\u7528<\/font><\/strong>\uff0c\u56e0\u70ba\u591a\u5c64\u677f\u7684\u81a0\u5408\u529b\u53ef\u662f\u6703\u96a8\u8457\u6642\u9593\u800c\u8001\u5316\u7684\uff0c\u65e5\u5f8c\u53ef\u80fd\u6703\u767c\u751f\u7522\u54c1\u529f\u80fd\u4e0d\u7a69\u7b49\u54c1\u8cea\u554f\u984c\uff0c\u589e\u52a0\u5e02\u5834\u8fd4\u4fee\u7684\u6a5f\u7387\uff0c\u800c\u4e14\u751f\u7522\u7684\u904e\u7a0b\u9084\u6709\u7206\u677f\u53ca\u5403\u932b\u4e0d\u826f\u7b49\u98a8\u96aa\u3002\u5982\u679c\u4e0d\u5f97\u4e0d\u4f7f\u7528\uff0c\u5efa\u8b70\u8981\u5148\u4ee5120+\/-5\u00b0C\u70d8\u70e46\u500b\u5c0f\u6642\uff0c\u5927\u91cf\u7522\u524d\u5148\u8a66\u5370\u932b\u818f\u6295\u7522\u5e7e\u7247\u78ba\u5b9a\u6c92\u6709\u710a\u932b\u6027\u554f\u984c\u624d\u7e7c\u7e8c\u751f\u7522\u3002\u53e6\u4e00\u500b\u4e0d\u5efa\u8b70\u4f7f\u7528\u5b58\u653e\u904e\u4e45\u7684PCB\u662f\u56e0\u70ba\u5176\u8868\u9762\u8655\u7406\u4e5f\u6703\u96a8\u8457\u6642\u9593\u6d41\u901d\u800c\u6f38\u6f38\u5931\u6548\uff0c\u4ee5ENIG<\/a>\u7684\u677f\u5b50\u4f86\u8aaa\uff0c\u696d\u754c\u7684\u4fdd\u5b58\u671f\u9650\u901a\u5e38\u70ba12\u500b\u6708\uff0c\u904e\u4e86\u9019\u500b\u6642\u6548\uff0c\u8996\u5176\u6c89\u91d1\u5c64\u7684\u539a\u5ea6\u8207\u4fdd\u5b58\u72c0\u6cc1\u7684\u54c1\u8cea\u800c\u5b9a\uff0c\u539a\u5ea6\u5982\u679c\u8f03\u8584\u8005\uff0c\u5176\u93b3\u5c64\u53ef\u80fd\u6703\u56e0\u70ba\u64f4\u6563\u4f5c\u7528\u800c\u6ef2\u51fa\u65bc\u91d1\u5c64\u8868\u9762\u4e26\u5f62\u6210\u6c27\u5316\uff0c\u5c31\u6703\u56b4\u91cd\u5f71\u97ff\u710a\u63a5\u7684\u4fe1\u8cf4\u6027\uff0c\u4e0d\u53ef\u4e0d\u614e\u3002
\u5982\u679c\u662fOSP<\/a>\u7684\u677f\u5b50\uff0c\u5176\u4fdd\u5b58\u671f\u9650\u66f4\u77ed\u5230\u53ea\u67093\uff5e6\u500b\u6708\uff0c\u56e0\u70baOSP\u819c\u6703\u96a8\u8457\u6642\u9593\u964d\u89e3\uff0c\u96d6\u7136\u53ef\u4ee5\u9001\u56de\u677f\u5ee0\u6d17\u6389OSP\u819c\u518d\u91cd\u65b0\u4e0a\u819c\u8655\u7406\uff0c\u4f46\u91cd\u5de5\u4e00\u822c\u5bb9\u6613\u51fa\u73fe\u4e0d\u53ef\u9810\u671f\u7684\u54c1\u8cea\u554f\u984c\uff0c\u5316\u5b78\u85e5\u6c34\u4e5f\u5bb9\u6613\u640d\u50b7\u9285\u9762\uff0c\u5c24\u5176\u662f\u7d30\u5c0f\u7684\u7dda\u8def\u6216\u5c0f\u710a\u76e4\u3002<\/font><\/p>\n

5.\u6240\u6709\u70d8\u70e4\u5b8c\u6210\u7684PCB\u5fc5\u9808\u57285\u5929\u5167\u4f7f\u7528\u5b8c\u7562\uff0c\u672a\u52a0\u5de5\u5b8c\u7562\u7684PCB\u4e0a\u7dda\u524d\u5fc5\u9808\u91cd\u65b0\u4ee5120+\/-5\u00b0C\u518d\u70d8\u70e41\u500b\u5c0f\u6642\u3002OSP\u7684\u677f\u5b50\u5efa\u8b70\u4e00\u5b9a\u8981\u572824\u5c0f\u6642\u5167\u7528\u5b8c\uff0c\u800c\u4e14\u8d8a\u65e9\u8d8a\u597d\u3002<\/font><\/p>\n

PCB\u70d8\u70e4\u6642\u7684\u5806\u758a\u65b9\u5f0f<\/strong><\/font><\/p>\n

1.\u5927\u5c3a\u5bf8PCB\u70d8\u70e4\u6642\uff0c\u63a1\u7528\u5e73\u653e\u5806\u758a\u5f0f\u64fa\u653e\uff0c\u5efa\u8b70\u4e00\u758a\u6700\u591a\u6578\u91cf\u5efa\u8b70\u4e0d\u53ef\u8d85\u904e30\u7247\uff0c\u70d8\u70e4\u5b8c\u621010\u9418\u5167\u9700\u6253\u958b\u70e4\u7bb1\u53d6\u51faPCB\u4e26\u5e73\u653e\u4f7f\u5176\u51b7\u537b\uff0c\u70d8\u70e4\u5f8c\u9700\u58d3\u9632\u677f\u5f4e\u6cbb\u5177 \u3002\u5927\u5c3a\u5bf8PCB\u4e0d\u5efa\u8b70\u76f4\u7acb\u5f0f\u70d8\u70e4\uff0c\u5bb9\u6613\u677f\u5f4e\u3002<\/font><\/p>\n

2.\u4e2d\u5c0f\u578bPCB\u70d8\u70e4\u6642\uff0c\u53ef\u4ee5\u63a1\u7528\u5e73\u653e\u5806\u758a\u5f0f\u64fa\u653e\uff0c\u4e00\u758a\u6700\u591a\u6578\u91cf\u5efa\u8b70\u4e0d\u53ef\u8d85\u904e40\u7247\uff0c\u4e5f\u53ef\u4ee5\u63a1\u76f4\u7acb\u5f0f\uff0c\u6578\u91cf\u4e0d\u9650\uff0c\u70d8\u70e4\u5b8c\u621010\u9418\u5167\u9700\u6253\u958b\u70e4\u7bb1\u53d6\u51faPCB\u5e73\u653e\u4f7f\u5176\u51b7\u537b\uff0c\u70d8\u70e4\u5f8c\u9700\u58d3\u9632\u677f\u5f4e\u6cbb\u5177\u3002<\/font><\/p>\n

PCB\u70d8\u70e4\u6642\u7684\u6ce8\u610f\u4e8b\u9805\uff1a<\/strong><\/font><\/p>\n

1.\u70d8\u70e4\u6eab\u5ea6\u4e0d\u53ef\u4ee5\u8d85\u904ePCB\u7684Tg<\/a>\u9ede\uff0c\u4e00\u822c\u8981\u6c42\u4e0d\u53ef\u4ee5\u8d85\u904e125\u00b0C\u3002\u65e9\u671f\u67d0\u4e9b\u542b\u925b\u7684PCB\u4e4bTg\u9ede\u6bd4\u8f03\u4f4e\uff0c\u73fe\u5728\u7121\u925bPCB\u7684Tg\u5927\u591a\u5728150\u00b0C\u4ee5\u4e0a\u3002<\/font><\/p>\n

2.\u70d8\u70e4\u5f8c\u7684PCB\u8981\u76e1\u5feb\u4f7f\u7528\u5b8c\u7562\uff0c\u5982\u679c\u672a\u4f7f\u7528\u5b8c\u7562\u61c9\u76e1\u65e9\u91cd\u65b0\u771f\u7a7a\u5305\u88dd\u3002\u5982\u679c\u66b4\u9732\u65bc\u8eca\u9593\u6642\u9593\u904e\u4e45\uff0c\u5247\u5fc5\u9808\u91cd\u65b0\u70d8\u70e4\u3002<\/font><\/p>\n

3.\u70e4\u7bb1\u8a18\u5f97\u8981\u52a0\u88dd\u62bd\u98a8\u4e7e\u71e5\u8a2d\u5099\uff0c\u5426\u5247\u70e4\u51fa\u4f86\u7684\u6c34\u84b8\u6c23\u53cd\u800c\u6703\u7559\u5b58\u5728\u70e4\u7bb1\u5167\u589e\u52a0\u5176\u76f8\u5c0d\u6fd5\u5ea6\uff0c\u4e0d\u5229PCB\u9664\u6fd5\u3002<\/font><\/p>\n

4.\u4ee5\u54c1\u8cea\u89c0\u9ede\u4f86\u770b\uff0c\u4f7f\u7528\u8d8a\u662f\u65b0\u9bae\u7684PCB\u710a\u932b\u904e\u7210\u5f8c\u7684\u54c1\u8cea\u5c31\u8d8a\u597d\uff0c\u904e\u671f\u7684PCB\u5373\u4f7f\u62ff\u53bb\u70d8\u70e4\u5f8c\u624d\u4f7f\u7528\u9084\u662f\u6703\u6709\u4e00\u5b9a\u7684\u54c1\u8cea\u98a8\u96aa\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

\u5de5\u4f5c\u718a\u500b\u4eba\u5c0dPCB\u70d8\u70e4\u7684\u5efa\u8b70\uff1a<\/strong><\/font><\/p>\n

1. \u5de5\u4f5c\u718a\u500b\u4eba\u5efa\u8b70\u53ea\u8981\u4f7f\u7528105+\/-5\u00b0C\u7684\u6eab\u5ea6\u4f86\u70d8\u70e4PCB\u5c31\u597d\u4e86\uff0c\u56e0\u70ba\u6c34\u7684\u6cb8\u9ede\u662f100\u00b0C\uff0c\u53ea\u8981\u8d85\u904e\u5176\u6cb8\u9ede\uff0c\u6c34\u5c31\u6703\u8b8a\u6210\u6c34\u84b8\u6c23\uff0c\u56e0\u70baPCB\u5167\u542b\u7684\u6c34\u5206\u5b50\u4e0d\u6703\u592a\u591a\uff0c\u6240\u4ee5\u4e26\u4e0d\u9700\u8981\u592a\u9ad8\u7684\u6eab\u5ea6\u4f86\u589e\u52a0\u5176\u6c23\u5316\u7684\u901f\u5ea6\uff0c\u6eab\u5ea6\u592a\u9ad8\u6216\u6c23\u5316\u901f\u5ea6\u592a\u5feb\u53cd\u800c\u5bb9\u6613\u4f7f\u5f97\u6c34\u84b8\u6c23\u5feb\u901f\u81a8\u8139\uff0c\u5c0d\u54c1\u8cea\u5176\u5be6\u975e\u5e38\u4e0d\u5229\uff0c\u5c24\u5176\u5c0d\u591a\u5c64\u677f\u53ca\u6709\u57cb\u5b54\u7684PCB\uff0c105\u00b0C\u525b\u525b\u597d\u9ad8\u65bc\u6c34\u7684\u6cb8\u9ede\uff0c\u6eab\u5ea6\u53c8\u4e0d\u6703\u592a\u9ad8\uff0c\u4e0d\u50c5\u53ef\u4ee5\u9664\u6fd5\u53c8\u53ef\u4ee5\u964d\u4f4e\u6c27\u5316\u7684\u98a8\u96aa\u3002\u6cc1\u4e14\u73fe\u5728\u70e4\u7bb1\u7684\u6eab\u5ea6\u63a7\u5236\u80fd\u529b\u5df2\u7d93\u6bd4\u4ee5\u524d\u63d0\u5347\u4e0d\u5c11\u3002\u7576\u7136\uff0c\u5982\u679c\u4f60\u7121\u6cd5\u78ba\u8a8d\u4f60\u7684\u70e4\u7bb1\u7684\u80fd\u529b\uff0c\u90a3\u4f60\u9084\u662f\u628a\u6eab\u5ea6\u7a0d\u5fae\u8abf\u9ad8\u4e00\u9ede\u5427\u3002\u53ea\u662f\uff0c\u6eab\u5ea6\u8d8a\u9ad8\u5c0dPCB\u7684\u54c1\u8cea\u7d55\u5c0d\u4e0d\u662f\u597d\u4e8b\u60c5\u3002
\u53e6\u5916\uff0c\u5982\u679c\u662f\u6bd4\u8f03\u539a\u7684PCB\uff0c\u53ef\u4ee5\u914c\u60c5\u5347\u9ad8\u70d8\u70e4\u6eab\u5ea6\u4ee5\u903c\u51faPCB\u6df1\u5c64\u7684\u6c34\u5206\u5b50\u3002
\u60f3\u9032\u4e00\u6b65\u77ad\u89e3PCB\u70d8\u70e4\u8cc7\u8a0a\u7684\u670b\u53cb\u53ef\u4ee5\u95b1\u8b80\u5de5\u4f5c\u718a\u95dc\u65bc\u70d8\u70e4\u7684\u76f8\u95dc\u6587\u7ae0<\/a>\uff0c\u6216\u662f\u67e5\u95b1IPC-1601\u62161602\u4ee5\u7372\u5f97\u6700\u65b0\u5de5\u696d\u6a19\u6e96\u7684\u8cc7\u8a0a\u3002<\/font><\/p>\n

2. PCB\u662f\u5426\u9700\u8981\u70d8\u70e4\uff0c\u61c9\u8a72\u8981\u770b\u5176\u5305\u88dd\u662f\u5426\u5df2\u7d93\u53d7\u6f6e\uff0c\u4e5f\u5c31\u662f\u8981\u89c0\u5bdf\u5176\u771f\u7a7a\u5305\u88dd\u5167\u7684 HIC (Humidity Indicator Card\uff0c\u6fd5\u5ea6\u6307\u793a\u5361) \u662f\u5426\u5df2\u7d93\u986f\u793a\u53d7\u6f6e\uff0c\u5982\u679c\u5305\u88dd\u826f\u597d\u4e14HIC\u6c92\u6709\u6307\u793a\u53d7\u6f6e\u5176\u5be6\u662f\u53ef\u4ee5\u76f4\u63a5\u4e0a\u7dda\u4e0d\u7528\u70d8\u70e4\u7684\u3002<\/font><\/p>\n

3. PCB\u70d8\u70e4\u6642\u5efa\u8b70\u63a1\u7528\u300c\u76f4\u7acb\u5f0f\u300d\u4e14\u6709\u9593\u9694\u4f86\u70d8\u70e4\uff0c\u56e0\u70ba\u9019\u6a23\u624d\u80fd\u8d77\u5230\u71b1\u7a7a\u6c23\u5c0d\u6d41\u6700\u5927\u6548\u679c\uff0c\u800c\u4e14\u6c34\u6c23\u4e5f\u6bd4\u8f03\u5bb9\u6613\u5f9ePCB\u5167\u88ab\u70e4\u51fa\u4f86\u3002\u4f46\u662f\u5c0d\u65bc\u5927\u5c3a\u5bf8\u7684PCB\u53ef\u80fd\u5f97\u8003\u616e\u76f4\u7acb\u5f0f\u662f\u5426\u6703\u9020\u6210\u677f\u5f4e\u8b8a\u5f62\u554f\u984c\u3002<\/font><\/p>\n

4. PCB\u70d8\u70e4\u5f8c\u5efa\u8b70\u653e\u7f6e\u65bc\u4e7e\u71e5\u8655\u4e26\u4f7f\u5176\u5feb\u901f\u51b7\u537b\uff0c\u6700\u597d\u9084\u8981\u5728\u677f\u5b50\u7684\u4e0a\u982d\u58d3\u4e0a\u300c\u9632\u677f\u5f4e\u6cbb\u5177\u300d\uff0c\u56e0\u70ba\u4e00\u822c\u7269\u9ad4\u5f9e\u9ad8\u71b1\u72c0\u614b\u5230\u51b7\u537b\u7684\u904e\u7a0b\u53cd\u800c\u5bb9\u6613\u5438\u6536\u6c34\u6c23\uff0c\u4f46\u662f\u5feb\u901f\u51b7\u537b\u53c8\u53ef\u80fd\u5f15\u8d77\u677f\u5f4e\uff0c\u9019\u8981\u53d6\u5f97\u4e00\u500b\u5e73\u8861\u3002<\/font><\/p>\n

PCB\u70d8\u70e4\u7684\u7f3a\u9ede\u53ca\u9700\u8981\u8003\u616e\u7684\u4e8b\u9805\uff1a<\/strong><\/font><\/p>\n

1.\u70d8\u70e4\u6703\u52a0\u901fPCB\u8868\u9762\u934d\u5c64\u7684\u6c27\u5316\uff0c\u800c\u4e14\u8d8a\u9ad8\u6eab\u5ea6\u53ca\u70d8\u70e4\u8d8a\u4e45\u8d8a\u4e0d\u5229\u3002<\/font>
\u5efa\u8b70\u95b1\u8b80\uff1a<\/font>PCB\u70d8\u70e4\u7684\u8ff7\u601d\uff1aPCB\u4e0a\u7dda\u524d\u70d8\u70e4\u53ef\u4ee5\u589e\u52a0\u710a\u932b\u6027\u55ce\uff1f<\/font><\/a><\/p>\n

2.\u4e0d\u5efa\u8b70\u5c0dOSP<\/a>\u8868\u9762\u8655\u7406\u7684\u677f\u5b50\u505a\u9ad8\u6eab\u70d8\u70e4\uff0c\u56e0\u70baOSP\u8584\u819c\u6703\u56e0\u70ba\u9ad8\u6eab\u800c\u964d\u89e3\u6216\u5931\u6548\u3002\u5982\u679c\u4e0d\u5f97\u4e0d\u505a\u70d8\u70e4\uff0c\u5efa\u8b70\u4f7f\u7528105+\/-5\u00b0C\u7684\u6eab\u5ea6\u70d8\u70e4\uff0c\u4e14\u6700\u597d\u4e0d\u8981\u8d85\u904e2\u500b\u5c0f\u6642\uff0c\u70d8\u70e4\u5f8c\u5efa\u8b70\u52d9\u5fc5\u572824\u5c0f\u6642\u5167\u7528\u5b8c\u3002
\u73fe\u5728\u5df2\u7d93\u6709\u65b0\u6b3e\u7684OSP\u5316\u5b78\u5291\u8072\u7a31\u53ef\u4ee5\u627f\u53d7\u9ad8\u6eab\u70d8\u70e4\u800c\u4e0d\u8b8a\u8cea\u7684\u7522\u54c1\uff0c\u5efa\u8b70\u53ef\u4ee5\u8a62\u554f\u81ea\u5df1\u7684PCB\u4f9b\u61c9\u5546\uff0c\u770b\u770b\u4ed6\u5011\u5bb6\u7684OSP\u677f\u5b50\u80fd\u5426\u70d8\u70e4\uff1f\u53ef\u4ee5\u70d8\u70e4\u591a\u5c11\u00b0C\uff1f<\/font><\/font><\/p>\n

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