{"id":65953,"date":"2026-01-25T23:48:35","date_gmt":"2026-01-25T15:48:35","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65953.html"},"modified":"2026-01-25T23:48:35","modified_gmt":"2026-01-25T15:48:35","slug":"%e5%95%86%e4%b8%9a%e8%88%aa%e5%a4%a9%e9%ab%98%e5%8f%af%e9%9d%a0pcba%e5%88%b6%e9%80%a0%ef%bc%9a%e6%8a%97%e8%be%90%e5%b0%84can%e6%94%b6%e5%8f%91%e5%99%a8smt%e8%b4%b4%e8%a3%85%e5%85%b3%e9%94%ae%e6%8a%80","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65953.html","title":{"rendered":"\u5546\u4e1a\u822a\u5929\u9ad8\u53ef\u9760PCBA\u5236\u9020\uff1a\u6297\u8f90\u5c04CAN\u6536\u53d1\u5668SMT\u8d34\u88c5\u5173\u952e\u6280\u672f\u53ca\u7cfb\u7edf\u7ea7\u6311\u6218"},"content":{"rendered":"

\u6458\u8981：\u968f\u7740\u6211\u56fd\u5546\u4e1a\u822a\u5929\u4ea7\u4e1a\u7684\u5feb\u901f\u53d1\u5c55，\u822a\u5929\u5668\u7535\u5b50\u7cfb\u7edf\u5bf9\u9ad8\u53ef\u9760PCBA（Printed Circuit Board Assembly）\u5236\u9020\u63d0\u51fa\u4e86\u66f4\u4e3a\u4e25\u82db\u7684\u8981\u6c42\u3002\u7a7a\u95f4\u8f90\u5c04\u73af\u5883\u5bfc\u81f4\u7684\u5355\u7c92\u5b50\u6548\u5e94（SEE）\u548c\u603b\u5242\u91cf\u6548\u5e94（TID）\u662f\u5236\u7ea6\u661f\u8f7d\u7535\u5b50\u8bbe\u5907\u957f\u5bff\u547d\u9ad8\u53ef\u9760\u8fd0\u884c\u7684\u6838\u5fc3\u74f6\u9888\u3002\u672c\u6587\u4ee5\u56fd\u79d1\u5b89\u82afASM1042S2S\u578b\u6297\u8f90\u5c04CAN FD\u6536\u53d1\u5668\u4e3a\u7814\u7a76\u5bf9\u8c61，\u5206\u6790\u5176\u5728\u603b\u5242\u91cf\u6548\u5e94\u3001\u91cd\u79bb\u5b50\u5355\u7c92\u5b50\u6548\u5e94\u3001\u8d28\u5b50\u5355\u7c92\u5b50\u6548\u5e94\u53ca\u8109\u51b2\u6fc0\u5149\u6a21\u62df\u8bd5\u9a8c\u4e2d\u7684\u6027\u80fd\u8868\u5f81\u6570\u636e，\u7ed3\u5408\u822a\u5929\u7ea7SMT（Surface Mount Technology）\u8d34\u88c5\u5de5\u827a\u89c4\u8303，\u6df1\u5165\u5206\u6790\u5546\u4e1a\u822a\u5929\u9ad8\u53ef\u9760PCBA\u5236\u9020\u8fc7\u7a0b\u4e2d\u7684\u5173\u952e\u6280\u672f\u73af\u8282\u4e0e\u7cfb\u7edf\u7ea7\u8d28\u91cf\u63a7\u5236\u6311\u6218\u3002<\/p>\n

\u5f15\u8a00<\/p>\n

\u8fd1\u5e74\u6765，\u6211\u56fd\u5546\u4e1a\u822a\u5929\u4ea7\u4e1a\u5448\u73b0\u7206\u53d1\u5f0f\u589e\u957f\u6001\u52bf，\u5fae\u7eb3\u536b\u661f\u3001\u9065\u611f\u661f\u5ea7\u3001\u7269\u8054\u7f51\u536b\u661f\u7b49\u65b0\u5174\u5e94\u7528\u5bf9\u661f\u8f7d\u7535\u5b50\u7cfb\u7edf\u7684\u96c6\u6210\u5ea6\u3001\u6027\u80fd\u4e0e\u6210\u672c\u63d0\u51fa\u4e86\u65b0\u7684\u5e73\u8861\u9700\u6c42\u3002\u63a7\u5236\u5668\u5c40\u57df\u7f51\u7edc（CAN）\u603b\u7ebf\u56e0\u5176\u9ad8\u53ef\u9760\u6027\u3001\u5b9e\u65f6\u6027\u53ca\u591a\u4e3b\u67b6\u6784\u4f18\u52bf，\u5df2\u6210\u4e3a\u822a\u5929\u5668\u5185\u90e8\u901a\u4fe1\u7cfb\u7edf\u7684\u4e3b\u6d41\u65b9\u6848\u4e4b\u4e00\u3002\u7136\u800c，\u7a7a\u95f4\u8f90\u5c04\u73af\u5883\u5305\u542b\u9ad8\u80fd\u8d28\u5b50\u3001\u91cd\u79bb\u5b50\u3001\u7535\u5b50\u53ca\u03b3\u5c04\u7ebf\u7b49\u591a\u79cd\u7c92\u5b50，\u4f1a\u5f15\u53d1\u534a\u5bfc\u4f53\u5668\u4ef6\u7684\u5355\u7c92\u5b50\u9501\u5b9a（SEL）\u3001\u5355\u7c92\u5b50\u7ffb\u8f6c（SEU）\u53ca\u603b\u5242\u91cf\u6548\u5e94（TID），\u4e25\u91cd\u5a01\u80c1\u5728\u8f68\u8fd0\u884c\u5b89\u5168\u3002\u4f20\u7edf\u822a\u5929\u7535\u5b50\u5143\u5668\u4ef6\u666e\u904d\u91c7\u7528\u6297\u8f90\u5c04\u52a0\u56fa\u5de5\u827a，\u4f46\u6210\u672c\u9ad8\u6602\u4e14\u4f9b\u8d27\u5468\u671f\u957f，\u96be\u4ee5\u6ee1\u8db3\u5546\u4e1a\u822a\u5929\u4f4e\u6210\u672c\u3001\u6279\u91cf\u5316\u3001\u5feb\u901f\u8fed\u4ee3\u7684\u53d1\u5c55\u9700\u6c42\u3002\u5728\u6b64\u80cc\u666f\u4e0b，\u57fa\u4e8e\u5546\u7528\u5de5\u827a\u7ebf\u7684\u6297\u8f90\u5c04\u8bbe\u8ba1（Radiation Hardening by Design, RHBD）\u6280\u672f\u4e0e\u5668\u4ef6\u5e94\u8fd0\u800c\u751f，\u5176\u901a\u8fc7\u7535\u8def\u7ea7\u52a0\u56fa\u800c\u975e\u5de5\u827a\u7ea7\u52a0\u56fa\u5b9e\u73b0\u6297\u8f90\u5c04\u6027\u80fd，\u4e3a\u5546\u4e1a\u822a\u5929\u63d0\u4f9b\u4e86\u53ef\u884c\u7684\u6280\u672f\u8def\u5f84\u3002<\/p>\n<\/p>\n

\"\"<\/p>\n

ASM1042S2S\u578bCAN FD\u6536\u53d1\u5668\u5728\u4fdd\u6301CAN\u603b\u7ebf\u6807\u51c6\u517c\u5bb9\u6027\u7684\u57fa\u7840\u4e0a，\u5b9e\u73b0\u4e86\u9ad8\u8fbe5Mbps\u7684\u901a\u4fe1\u901f\u7387，\u5e76\u901a\u8fc7\u7535\u8def\u7ea7\u6297\u8f90\u5c04\u52a0\u56fa\u8bbe\u8ba1\u83b7\u5f97\u4e86\u5546\u4e1a\u822a\u5929\u7ea7\u6027\u80fd\u6307\u6807\u3002\u6839\u636e\u6280\u672f\u6587\u6863\u663e\u793a，\u8be5\u5668\u4ef6\u5df2\u901a\u8fc7\u603b\u5242\u91cf150krad(Si)\u3001\u91cd\u79bb\u5b50LET\u9608\u503c\u5927\u4e8e37.4MeV\u00b7cm\u00b2\/mg\u3001\u8d28\u5b50\u80fd\u91cf100MeV（\u603b\u6ce8\u91cf1\u00d710\u00b9\u2070 ions\/cm\u00b2）\u53ca\u8109\u51b2\u6fc0\u5149\u6a21\u62dfLET\u503c\u8fbe100MeV\u00b7cm\u00b2\/mg\u7684\u7cfb\u5217\u8003\u6838，\u5e76\u5728TY29"\u5929\u4eea29\u661f"\u4e0eTY35"\u5929\u4eea35\u661f"\u4e0a\u5b9e\u73b0\u7a33\u5b9a\u5728\u8f68\u8fd0\u884c\u3002\u7136\u800c，\u5668\u4ef6\u7ea7\u7684\u6297\u8f90\u5c04\u80fd\u529b\u5e76\u4e0d\u7b49\u4ef7\u4e8e\u677f\u7ea7\u7cfb\u7edf\u7684\u53ef\u9760\u6027，SMT\u8d34\u88c5\u4f5c\u4e3aPCBA\u5236\u9020\u7684\u6838\u5fc3\u73af\u8282，\u5176\u5de5\u827a\u63a7\u5236\u7cbe\u5ea6\u76f4\u63a5\u51b3\u5b9a\u4e86\u6700\u7ec8\u4ea7\u54c1\u7684\u73af\u5883\u9002\u5e94\u6027\u4e0e\u5bff\u547d\u9884\u671f\u3002\u672c\u6587\u5c06\u57fa\u4e8e\u8be5\u5668\u4ef6\u7684\u5b8c\u6574\u8bd5\u9a8c\u6570\u636e\u94fe，\u7cfb\u7edf\u8bba\u8ff0\u9ad8\u53ef\u9760PCBA\u5236\u9020\u4e2d\u7684\u5173\u952e\u6280\u672f\u8981\u7d20\u3001\u7cfb\u7edf\u7ea7\u6311\u6218\u4ee5\u53ca\u5de5\u7a0b\u5e94\u7528\u4e2d\u7684\u5b9e\u65bd\u7b56\u7565\u3002<\/p>\n

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1.1 \u603b\u5242\u91cf\u6548\u5e94（TID）\u7279\u6027\u53ca\u53c2\u6570\u9000\u5316\u89c4\u5f8b<\/p>\n

\u603b\u5242\u91cf\u6548\u5e94\u662f\u6307\u5668\u4ef6\u957f\u671f\u66b4\u9732\u4e8e\u7535\u79bb\u8f90\u5c04\u73af\u5883\u4e2d，\u6c27\u5316\u5c42\u5185\u7d2f\u79ef\u7684\u7535\u8377\u5bfc\u81f4\u7535\u53c2\u6570\u6f02\u79fb\u3001\u8de8\u5bfc\u4e0b\u964d\u751a\u81f3\u529f\u80fd\u5931\u6548\u7684\u73b0\u8c61\u3002\u6839\u636e\u7f16\u53f7\u4e3aZKX-TID-TP-007\u7684\u8bd5\u9a8c\u62a5\u544a，ASM1042S2S\u5728\u5317\u4eac\u5927\u5b66\u94b460\u03b3\u5c04\u7ebf\u6e90\u5e73\u53f0\u4e0a\u5f00\u5c55\u4e86\u7cfb\u7edf\u7684TID\u8bc4\u4f30\u3002\u8bd5\u9a8c\u91c7\u752825rad(Si)\/s\u7684\u5242\u91cf\u7387，\u8f90\u7167\u603b\u5242\u91cf\u8fbe\u5230100krad(Si)，\u5e76\u589e\u52a050%\u8fc7\u8f90\u7167\u4f59\u91cf\u81f3150krad(Si)\u3002\u8f90\u7167\u8fc7\u7a0b\u4e2d\u7684\u504f\u7f6e\u6761\u4ef6\u8bbe\u7f6e\u4e3a\u5178\u578b\u5de5\u4f5c\u72b6\u6001：TXD\u3001STB\u63a50V（\u6b63\u5e38\u5de5\u4f5c\u6a21\u5f0f），VCC\u4e0eVIO\u65bd\u52a03.3V\u9759\u6001\u504f\u7f6e，CANH\/CANL\u7aef\u63a560\u03a9\u8d1f\u8f7d\u3002<\/p>\n

\u8bd5\u9a8c\u6570\u636e\u663e\u793a，\u5668\u4ef6\u5728150krad(Si)\u8f90\u7167\u540e\u8fdb\u884c168\u5c0f\u65f6\u9ad8\u6e29\u9000\u706b，\u6240\u6709\u7535\u53c2\u6570\u6d4b\u8bd5\u9879\u5747\u6ee1\u8db3QJ10004A-2018\u300a\u5b87\u822a\u7528\u534a\u5bfc\u4f53\u5668\u4ef6\u603b\u5242\u91cf\u8f90\u7167\u8bd5\u9a8c\u65b9\u6cd5\u300b\u89c4\u5b9a\u7684\u5408\u683c\u5224\u636e\u3002\u5173\u952e\u53c2\u6570\u5982\u663e\u6027\u529f\u8017（Normal mode）\u572840-70mA\u8303\u56f4\u5185，\u9690\u6027\u529f\u8017\u4ec51.5-2.5mA，\u73af\u8def\u5ef6\u65f6tPROP(LOOP1)\u4fdd\u6301100-160ns，\u8868\u660e\u5668\u4ef6\u7684\u9a71\u52a8\u80fd\u529b\u3001\u4f20\u8f93\u7279\u6027\u672a\u53d7\u663e\u8457\u5f71\u54cd\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f，BCD\u5de5\u827a\u4e2d\u7684\u539a\u573a\u6c27\u4e0e\u6d45\u69fd\u9694\u79bb（STI）\u7ed3\u6784\u662fTID\u654f\u611f\u533a，\u52a0\u56fa\u8bbe\u8ba1\u901a\u8fc7\u91c7\u7528\u73af\u5f62\u6805（Ring Gate）\u3001\u4fdd\u62a4\u73af（Guard Ring）\u9694\u79bb\u53ca\u7279\u6b8a\u7248\u56fe\u5e03\u5c40\u6709\u6548\u6291\u5236\u4e86\u8fb9\u7f18\u6f0f\u7535\u8def\u5f84\u3002\u6570\u636e\u624b\u518c\u660e\u786e\u6307\u51faTID\u6307\u6807\u2265150krad(Si)，\u8fbe\u5230\u5546\u4e1a\u822a\u5929\u7ea7\u6807\u51c6，\u6ee1\u8db3\u4f4e\u5730\u7403\u8f68\u9053（LEO）5-8\u5e74\u4efb\u52a1\u5bff\u547d\u7684\u57fa\u672c\u9700\u6c42\u3002\u5728SMT\u8d34\u88c5\u8fc7\u7a0b\u4e2d，\u5fc5\u987b\u8003\u8651\u70ed\u5faa\u73af\u5bf9TID\u9000\u5316\u7684\u6f5c\u5728\u5f71\u54cd，\u56de\u6d41\u710a\u5cf0\u503c\u6e29\u5ea6235-240\u2103\u53ef\u80fd\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u52a0\u901f\u754c\u9762\u6001\u7535\u8377\u7684\u9000\u706b\u8fc7\u7a0b，\u4f46\u8fd9\u79cd\u6548\u5e94\u5728\u89c4\u8303\u5de5\u827a\u6761\u4ef6\u4e0b\u53ef\u5ffd\u7565\u4e0d\u8ba1\u3002<\/p>\n

1.2 \u5355\u7c92\u5b50\u6548\u5e94（SEE）\u7684\u591a\u7ef4\u5ea6\u534f\u540c\u9a8c\u8bc1<\/p>\n

\u5355\u7c92\u5b50\u6548\u5e94\u662f\u9ad8\u80fd\u5e26\u7535\u7c92\u5b50\u7a7f\u8fc7\u5668\u4ef6\u654f\u611f\u533a\u65f6，\u901a\u8fc7\u76f4\u63a5\u7535\u79bb\u6216\u6838\u53cd\u5e94\u4ea7\u751f\u7535\u8377\u8109\u51b2，\u5bfc\u81f4\u903b\u8f91\u72b6\u6001\u7ffb\u8f6c\u6216\u529f\u80fd\u4e2d\u65ad\u3002ASM1042S2S\u7ecf\u5386\u4e86\u91cd\u79bb\u5b50\u3001\u8d28\u5b50\u53ca\u8109\u51b2\u6fc0\u5149\u4e09\u79cd\u624b\u6bb5\u7684\u534f\u540c\u9a8c\u8bc1，\u5f62\u6210\u4e86\u5b8c\u6574\u7684SEE\u6570\u636e\u7acb\u65b9，\u4e3a\u5de5\u7a0b\u5e94\u7528\u63d0\u4f9b\u4e86\u575a\u5b9e\u7684\u7406\u8bba\u57fa\u7840\u3002<\/p>\n

\u91cd\u79bb\u5b50\u8bd5\u9a8c\u7531\u56fd\u5bb6\u7a7a\u95f4\u79d1\u5b66\u4e2d\u5fc3\u5b8c\u6210，\u91c7\u752874Ge\u79bb\u5b50，\u80fd\u91cf205MeV，\u7845\u4e2dLET\u503c37.4MeV\u00b7cm\u00b2\/mg，\u603b\u6ce8\u91cf1\u00d710\u2077 ion\/cm\u00b2\u3002\u8bd5\u9a8c\u5728\u7ebf\u76d1\u6d4b\u5de5\u4f5c\u7535\u6d41\u4e0eCAN FD\u901a\u4fe1\u529f\u80fd，\u901a\u90531\u53d1\u900154328\u5e27\u3001\u63a5\u653654333\u5e27，\u901a\u90532\u53d1\u900154333\u5e27\u3001\u63a5\u653654328\u5e27，\u8bef\u7801\u7387\u4e3a\u96f6，\u4e14\u672a\u53d1\u751fSEL\u6216SEU\u3002\u6839\u636eESCC 25100\u6807\u51c6，\u8be5\u5668\u4ef6\u7684SEL\/SEU LET\u9608\u503c\u5927\u4e8e37.4MeV\u00b7cm\u00b2\/mg\u3002\u7ed3\u5408\u8d28\u5b50\u4e0e\u8109\u51b2\u6fc0\u5149\u6570\u636e，\u53ef\u5224\u5b9a\u5176\u9002\u7528\u4e8e\u592a\u9633\u540c\u6b65\u8f68\u9053（SSO）\u7684\u8f90\u5c04\u73af\u5883，\u80fd\u591f\u627f\u53d7\u5178\u578b\u7684\u592a\u9633\u5b87\u5b99\u5c04\u7ebf\u53ca\u94f6\u6cb3\u5b87\u5b99\u5c04\u7ebf\u5206\u91cf\u3002<\/p>\n

\u8d28\u5b50\u5355\u7c92\u5b50\u6548\u5e94\u8bd5\u9a8c\u5728\u4e2d\u56fd\u539f\u5b50\u80fd\u79d1\u5b66\u7814\u7a76\u9662100MeV\u56de\u65cb\u52a0\u901f\u5668\u4e0a\u5f00\u5c55，\u6ce8\u91cf\u73872.2\u00d710\u2074 p\u00b7cm\u207b\u00b2\u00b7s\u207b\u00b9，\u603b\u6ce8\u91cf1\u00d710\u00b9\u2070 ions\/cm\u00b2\u3002\u8bd5\u9a8c\u62a5\u544a（2025-ZZ-BG-004）\u663e\u793a\u5668\u4ef6\u5728100MeV\u8d28\u5b50\u8f90\u7167\u4e0b\u529f\u80fd\u6b63\u5e38，\u672a\u51fa\u73b0SEL\u3002\u8d28\u5b50\u8bd5\u9a8c\u7684\u91cd\u8981\u6027\u5728\u4e8e\u5176\u80fd\u6a21\u62df\u5185\u8f90\u5c04\u5e26（\u8303\u827e\u4f26\u5e26）\u7684\u4f4e\u80fd\u8d28\u5b50\u5728\u5668\u4ef6\u6df1\u5c42\u654f\u611f\u533a\u4ea7\u751f\u7684\u4f4d\u79fb\u635f\u4f24\u4e0e\u95f4\u63a5\u7535\u79bb\u6548\u5e94\u3002\u5c3d\u7ba1100MeV\u8d28\u5b50\u7684LET\u503c\u8f83\u4f4e（\u7ea60.5-1MeV\u00b7cm\u00b2\/mg），\u4f46\u9ad8\u6ce8\u91cf\u7d2f\u79ef\u53ef\u63ed\u793a\u8584\u6c27\u5316\u5c42\u7684\u7535\u8377\u4fd8\u83b7\u6548\u5e94，\u8bd5\u9a8c\u7ed3\u679c\u8fdb\u4e00\u6b65\u9a8c\u8bc1\u4e86\u5668\u4ef6\u7684\u9c81\u68d2\u6027\u3002\u8d28\u5b50\u5728BCD\u5de5\u827a\u4e2d\u7684\u5c04\u7a0b\u53ef\u8fbe\u6570\u767e\u5fae\u7c73，\u53ef\u7a7f\u900f\u81f3\u886c\u5e95\u6df1\u5904，\u56e0\u6b64\u65e0SEL\u73b0\u8c61\u8868\u660e\u5668\u4ef6\u7684\u4f53\u7845\u7ed3\u6784\u8bbe\u8ba1\u5408\u7406，\u95e9\u9501\u8def\u5f84\u5f97\u5230\u6709\u6548\u6291\u5236\u3002<\/p>\n

\u8109\u51b2\u6fc0\u5149\u6a21\u62df\u8bd5\u9a8c\u63d0\u4f9b\u4e86\u7a7a\u95f4\u5206\u8fa8\u7387\u66f4\u9ad8\u7684\u654f\u611f\u6027\u5206\u5e03\u56fe\u3002\u8bd5\u9a8c\u91c7\u7528120pJ\u81f33050pJ\u7684\u6fc0\u5149\u80fd\u91cf，\u7b49\u6548LET\u503c\u8986\u76d65-100MeV\u00b7cm\u00b2\/mg\u8303\u56f4\u3002\u6570\u636e\u663e\u793a，ASM1042A\u540c\u7cfb\u5217\u5668\u4ef6\u5728\u6700\u9ad83050pJ（LET\u2248100MeV\u00b7cm\u00b2\/mg）\u4e0b\u4ecd\u672a\u51fa\u73b0SEL，\u8868\u660e\u5176\u654f\u611f\u533a\u57df\u53ef\u80fd\u4ec5\u9650\u4e8e\u8f93\u5165\u4fdd\u62a4\u7535\u8def\u6216\u7279\u5b9a\u7ed3\u7ed3\u6784\u3002\u8109\u51b2\u6fc0\u5149\u8bd5\u9a8c\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u5feb\u901f\u5b9a\u4f4d\u654f\u611f\u8282\u70b9，\u6307\u5bfc\u540e\u7eed\u7684\u7248\u56fe\u4f18\u5316\u4e0e\u5197\u4f59\u8bbe\u8ba1\u3002\u8bd5\u9a8c\u4e2d\u91c7\u7528\u76844\u00d710\u2076 cm\u207b\u00b2\u6ce8\u91cf\u8986\u76d6\u4e86\u82af\u7247\u6709\u6e90\u533a，\u53ef\u4e3aPCBA\u7ea7\u7684\u5e03\u5c40\u5e03\u7ebf\u63d0\u4f9b\u654f\u611f\u533a\u57df\u907f\u8ba9\u6307\u5bfc\u3002<\/p>\n

1.3 \u5668\u4ef6\u7269\u7406\u7ed3\u6784\u5bf9PCBA\u8bbe\u8ba1\u7684\u7ea6\u675f\u6761\u4ef6<\/p>\n

ASM1042S2S\u91c7\u7528SOP8L\u5c01\u88c5，\u5f15\u811a\u95f4\u8ddd1.27mm（BSC），\u5916\u5f62\u5c3a\u5bf84.7-5.1mm\u00d75.8-6.3mm，\u539a\u5ea61.35-1.75mm\u3002\u8be5\u5c01\u88c5\u5c5e\u4e8e\u5178\u578b\u7684\u9e25\u7ffc\u5f62（Gull-Wing）\u5f15\u7ebf\u7ed3\u6784，\u710a\u70b9\u5f62\u6210\u4f9d\u8d56\u4e8e\u5f15\u811a\u4e0e\u710a\u76d8\u7684\u673a\u68b0\u63a5\u89e6\u53ca\u710a\u6599\u6da6\u6e7f\u3002\u6839\u636e\u6570\u636e\u624b\u518c\u5f15\u811a\u5b9a\u4e49，VCC\u4e3a\u5f15\u811a5，VIO\u4e3a\u5f15\u811a8，GND\u4e3a\u5f15\u811a2，TXD\u4e3a\u5f15\u811a1，RXD\u4e3a\u5f15\u811a4，CANH\u4e3a\u5f15\u811a7，CANL\u4e3a\u5f15\u811a6，STB\u4e3a\u5f15\u811a3\u3002\u53cc\u7535\u6e90\u8bbe\u8ba1（VCC\u4e0eVIO）\u652f\u63013.3V\/5V MCU\u76f4\u8fde，\u5bf9\u7535\u6e90\u5e73\u9762\u5b8c\u6574\u6027\u63d0\u51fa\u66f4\u9ad8\u8981\u6c42\u3002SMT\u8d34\u88c5\u504f\u79fb\u53ef\u80fd\u5bfc\u81f4\u53bb\u8026\u7535\u5bb9\u8ddd\u79bb\u8d85\u6807，\u5f71\u54cd\u7535\u6e90\u5b8c\u6574\u6027\u3002\u6b64\u5916，\u6570\u636e\u624b\u518c\u4e2d"\u672a\u4f9b\u7535\u65f6\u5177\u6709\u7406\u60f3\u65e0\u6e90\u884c\u4e3a"\u7684\u7279\u6027\u8981\u6c42PCB\u5e03\u5c40\u5fc5\u987b\u786e\u4fdd\u603b\u7ebf\u5f15\u811a（CANH\/CANL）\u5728\u65ad\u7535\u65f6\u5904\u4e8e\u9ad8\u963b\u6001，\u907f\u514d\u5f15\u5165\u5bc4\u751f\u7535\u5bb9\u6216\u6f0f\u7535\u8def\u5f84\u3002\u5668\u4ef6\u652f\u6301\u00b170V\u603b\u7ebf\u6545\u969c\u4fdd\u62a4，\u610f\u5473\u7740\u5728\u6781\u7aef\u60c5\u51b5\u4e0bPCB\u8d70\u7ebf\u9700\u627f\u53d7\u9ad8\u7535\u538b\u5e94\u529b，\u56e0\u6b64\u710a\u76d8\u95f4\u8ddd\u8bbe\u8ba1\u5e94\u6ee1\u8db3IPC-2221B\u6807\u51c6\u4e2d\u9ad8\u538b\u722c\u7535\u8ddd\u79bb\u8981\u6c42，\u5efa\u8bae\u710a\u76d8\u8fb9\u7f18\u95f4\u8ddd\u22650.2mm\u3002<\/p>\n

\u4e8c\u3001\u9ad8\u53ef\u9760SMT\u8d34\u88c5\u5de5\u827a\u6d41\u7a0b\u4f18\u5316\u4e0e\u53c2\u6570\u7cbe\u7ec6\u5316\u63a7\u5236<\/p>\n

2.1 \u5143\u5668\u4ef6\u63a5\u6536\u3001\u68c0\u9a8c\u4e0e\u9884\u5904\u7406\u8d28\u91cf\u4fdd\u8bc1\u4f53\u7cfb<\/p>\n

\u822a\u5929\u7ea7PCBA\u5236\u9020\u9075\u5faaGJB 4027A-2006\u4e0eQJ10004A-2018\u6807\u51c6\u8981\u6c42\u3002ASM1042S2S\u4f5c\u4e3a\u5546\u4e1a\u822a\u5929\u7ea7\u5668\u4ef6，\u5165\u5382\u68c0\u9a8c\u5e94\u5305\u542b\u591a\u7ef4\u5ea6\u8d28\u91cf\u63a7\u5236\u73af\u8282\u3002<\/p>\n

\u6297\u8f90\u5c04\u6307\u6807\u7b26\u5408\u6027\u9a8c\u8bc1\u662f\u9996\u8981\u73af\u8282\u3002\u6838\u67e5\u603b\u5242\u91cf\u8bd5\u9a8c\u62a5\u544a（ZKX-TID-TP-007）\u3001\u91cd\u79bb\u5b50\u8bd5\u9a8c\u62a5\u544a（2025FZ010）\u3001\u8d28\u5b50\u8bd5\u9a8c\u62a5\u544a（2025-ZZ-BG-004）\u4e0e\u8109\u51b2\u6fc0\u5149\u8bd5\u9a8c\u62a5\u544a（7Ax20245010）\u7684\u6279\u6b21\u4e00\u81f4\u6027，\u786e\u4fdd\u5668\u4ef6\u7ecf\u5386\u5b8c\u6574\u8003\u6838\u94fe\u7684\u6279\u6b21\u8986\u76d6\u6027\u3002\u7531\u4e8e\u5546\u4e1a\u5668\u4ef6\u53ef\u80fd\u91c7\u7528"\u7ed3\u6784\u76f8\u4f3c\u6027"\u539f\u5219\u8fdb\u884c\u6279\u91c7，\u9700\u91cd\u70b9\u5ba1\u67e5DPA（Destructive Physical Analysis）\u62a5\u544a\u4e2d\u7684\u5173\u952e\u5de5\u827a\u53c2\u6570，\u5982\u91d1\u5c5e\u5c42\u539a\u5ea6\u3001\u6805\u6c27\u539a\u5ea6\u3001\u9694\u79bb\u7ed3\u6784\u5c3a\u5bf8\u7b49\u662f\u5426\u4e0e\u8bbe\u8ba1\u57fa\u7ebf\u4e00\u81f4\u3002\u8bd5\u9a8c\u62a5\u544a\u4e2d\u7684\u6837\u54c1\u7f16\u53f7P1-1#\u3001P2-1#\u7684\u552f\u4e00\u6027\u8ffd\u6eaf\u673a\u5236\u5e94\u5728\u4f9b\u5e94\u94fe\u7ba1\u7406\u4e2d\u63a8\u5e7f，\u901a\u8fc7\u6fc0\u5149\u6253\u7801\u6216RFID\u6807\u7b7e\u5b9e\u73b0"\u4e00\u5668\u4ef6\u4e00\u6863"\u7684\u5168\u751f\u547d\u5468\u671f\u8ffd\u6eaf\u3002<\/p>\n

\u53ef\u710a\u6027\u6d4b\u8bd5\u4f9d\u636eGJB 548C-2023\u65b9\u6cd52003\u5f00\u5c55，\u5bf9SOP8L\u5f15\u811a\u8fdb\u884c\u84b8\u6c7d\u8001\u5316\u540e\u6d78\u9521\u8bd5\u9a8c，\u8981\u6c42\u5f15\u811a95%\u4ee5\u4e0a\u533a\u57df\u710a\u6599\u8986\u76d6\u826f\u597d\u3002\u6297\u8f90\u5c04\u5668\u4ef6\u5e38\u91c7\u7528NiPdAu\u9540\u5c42\u9632\u6b62\u9521\u987b\u751f\u957f，\u4f46\u9540\u5c42\u539a\u5ea6\u4e0d\u5747\u53ef\u80fd\u5f71\u54cd\u6da6\u6e7f\u901f\u7387，\u56e0\u6b64\u5de5\u827a\u7a97\u53e3\u9700\u7f29\u7a84\u81f3\u00b15\u2103\u3002\u5bf9\u4e8e\u53cc\u5217\u5f15\u811a\u5668\u4ef6，\u5e94\u589e\u52a0\u5f15\u811a\u5171\u9762\u6027\u6d4b\u8bd5，\u786e\u4fdd\u5e73\u9762\u5ea6\u8bef\u5dee<0.08mm，\u907f\u514d\u865a\u710a\u98ce\u9669\u3002<\/p>\n

\u6f6e\u654f\u7b49\u7ea7\u7ba1\u7406\u65b9\u9762，\u57fa\u4e8eVIS 0.15\u03bcm BCD\u5de5\u827a\u7684\u5851\u5c01\u5668\u4ef6\u901a\u5e38\u8fbe\u5230MSL 3\u7ea7\u3002\u5f00\u5c01\u540e\u9700\u5728168\u5c0f\u65f6\u5185\u5b8c\u6210\u8d34\u88c5，\u5426\u5219\u9700\u5728125\u2103\u4e0b\u70d8\u70e424\u5c0f\u65f6，\u9632\u6b62\u56de\u6d41\u65f6\u7684"\u7206\u7c73\u82b1"\u6548\u5e94\u3002\u70d8\u70e4\u8fc7\u7a0b\u5fc5\u987b\u91c7\u7528\u5145\u6c2e\u70e4\u7bb1，\u6c27\u542b\u91cf<500ppm，\u907f\u514d\u91d1\u5c5e\u6c27\u5316\u5f71\u54cd\u710a\u70b9\u7ed3\u5408\u5f3a\u5ea6\u3002\u5bf9\u4e8e\u6279\u91cf\u751f\u4ea7，\u5efa\u8bae\u91c7\u7528\u771f\u7a7a\u5305\u88c5\u4e0e\u6e7f\u5ea6\u6307\u793a\u5361\u76d1\u63a7，\u5b58\u50a8\u73af\u5883\u6e7f\u5ea6<30%RH\u3002<\/p>\n

2.2 \u710a\u818f\u5370\u5237\u4e0e\u94a2\u7f51\u8bbe\u8ba1\u7cbe\u7ec6\u5316\u63a7\u5236<\/p>\n

\u94a2\u7f51\u8bbe\u8ba1\u662fSMT\u826f\u7387\u7684\u5173\u952e\u3002ASM1042S2S\u7684\u5f15\u811a\u5bbd\u5ea6\u4e3a0.33-0.51mm，\u63a8\u8350\u91c7\u75280.127mm\u539a\u5ea6\u7684\u6fc0\u5149\u5207\u5272\u4e0d\u9508\u94a2\u94a2\u7f51，\u5f00\u53e3\u5c3a\u5bf8\u8bbe\u8ba1\u4e3a\u5f15\u811a\u5bbd\u5ea6\u768490%-95%（\u53730.30-0.48mm），\u5e76\u5b9e\u65bd\u5fae\u68af\u5f62\u5f00\u53e3（\u68af\u5f62\u6bd40.85）\u4ee5\u6539\u5584\u8131\u6a21\u6027\u80fd\u3002<\/p>\n

\u8003\u8651\u5230\u822a\u5929PCBA\u7684\u4f4e\u7a7a\u6d1e\u7387\u8981\u6c42，\u710a\u818f\u5e94\u9009\u62e9SAC305（Sn96.5Ag3.0Cu0.5）\u65e0\u94c5\u914d\u65b9，\u91d1\u5c5e\u542b\u91cf89%，\u7c98\u5ea6800-1000Pa\u00b7s，\u786e\u4fdd\u5370\u5237\u4e00\u81f4\u6027\u3002\u4e3a\u964d\u4f4e\u710a\u70b9\u7a7a\u6d1e\u7387，\u53ef\u5728SAC305\u4e2d\u6dfb\u52a0\u5fae\u91cfNi\u5143\u7d20（0.05%），\u6291\u5236Cu\u2083Sn\u8106\u6027IMC\u8fc7\u5ea6\u751f\u957f\u3002<\/p>\n

\u5370\u5237\u53c2\u6570\u9700\u4f18\u5316\u4e3a：\u522e\u5200\u538b\u529b4-6N\/mm，\u901f\u5ea630-50mm\/s，\u5206\u79bb\u901f\u5ea61-2mm\/s，\u522e\u5200\u89d2\u5ea660\u00b0\u3002\u91c7\u7528SPI（Solder Paste Inspection）\u8fdb\u884c\u5728\u7ebf\u68c0\u6d4b，\u4f53\u79ef\u504f\u5dee\u63a7\u5236\u5728\u00b120%\u4ee5\u5185，\u9762\u79ef\u8986\u76d6\u226585%，\u504f\u79fb\u91cf<0.05mm\u3002\u5bf9\u4e8eVCC\u5f15\u811a（\u5f15\u811a5）\u7b49\u627f\u8f7d\u5927\u7535\u6d41\u7684\u710a\u76d8，\u53ef\u9002\u5f53\u6269\u5927\u5f00\u53e3\u81f3110%\u5f15\u811a\u5bbd\u5ea6，\u589e\u52a0\u710a\u6599\u4f53\u79ef\u4ee5\u63d0\u5347\u7535\u6d41\u4f20\u5bfc\u80fd\u529b\u3002\u540c\u65f6，\u4e3a\u907f\u514d\u6865\u8fde，\u76f8\u90bb\u710a\u76d8\u95f4\u5e94\u8bbe\u8ba10.05mm\u7684\u9694\u79bb\u5e26，\u5e76\u91c7\u7528"Home Plate"\u5f62\u5f00\u53e3\u4f18\u5316\u5e94\u529b\u5206\u5e03\u3002<\/p>\n

2.3 \u8d34\u7247\u7cbe\u5ea6\u4e0e\u8d34\u88c5\u529b\u63a7\u5236\u7b56\u7565<\/p>\n

\u8d34\u7247\u673a\u7cbe\u5ea6\u5e94\u8fbe\u5230\u00b10.025mm（3\u03c3），\u4ee5\u6ee1\u8db31.27mm\u95f4\u8ddd\u5668\u4ef6\u7684\u8d34\u88c5\u8981\u6c42\u3002\u5bf9\u4e8eASM1042S2S\u8fd9\u7c7b\u8584\u578bSOP\u5668\u4ef6，\u8d34\u88c5\u5934\u771f\u7a7a\u5438\u529b\u9700\u7cbe\u786e\u63a7\u5236\u572850-80kPa，\u907f\u514d\u5f15\u811a\u5851\u6027\u53d8\u5f62\u3002\u8d34\u88c5\u7a0b\u5e8f\u5e94\u8bbe\u7f6e"\u8f6f\u7740\u9646"\u6a21\u5f0f，Z\u8f74\u4e0b\u964d\u901f\u5ea6\u5728\u5f15\u811a\u63a5\u89e6\u710a\u76d8\u540e\u964d\u81f35mm\/s，\u51cf\u5c11\u673a\u68b0\u51b2\u51fb，\u9632\u6b62\u5f15\u811a\u8df7\u8d77（Tombstone）\u7f3a\u9677\u3002<\/p>\n

\u89c6\u89c9\u5bf9\u4f4d\u7cfb\u7edf\u9700\u540c\u65f6\u8bc6\u522b\u5668\u4ef6\u672c\u4f53\u8fb9\u7f18\u4e0e\u5f15\u811a\u5c16\u7aef，\u91c7\u7528"\u672c\u4f53+\u5f15\u811a"\u53cc\u6a21\u677f\u5339\u914d\u7b97\u6cd5，\u786e\u4fdd\u65cb\u8f6c\u89d2\u5ea6\u504f\u5dee<0.5\u00b0\u3002\u7531\u4e8e\u6297\u8f90\u5c04\u5668\u4ef6\u53ef\u80fd\u7ecf\u8fc7\u53bb\u5c01\u88c5\u8bd5\u9a8c，\u672c\u4f53\u8868\u9762\u53ef\u80fd\u5b58\u5728\u8f7b\u5fae\u5212\u75d5\u6216\u6807\u8bb0\u6a21\u7cca，\u89c6\u89c9\u7b97\u6cd5\u9700\u5177\u5907\u4e00\u5b9a\u5bb9\u5dee，\u4f46\u4e0d\u5f97\u5f71\u54cd\u5bf9\u4f4d\u7cbe\u5ea6\u3002\u8d34\u88c5\u540e\u7684\u504f\u79fb\u91cf\u5e94\u901a\u8fc7AOI\u8fdb\u884c100%\u68c0\u6d4b，X\/Y\u65b9\u5411\u504f\u5dee<0.05mm，\u65cb\u8f6c\u504f\u5dee<1\u00b0\u4e3a\u5408\u683c\u3002\u5bf9\u4e8e\u6279\u91cf\u751f\u4ea7，\u5efa\u8bae\u91c7\u7528\u8d34\u7247\u673a\u5185\u7f6e\u7684Force Feedback\u529f\u80fd，\u5b9e\u65f6\u76d1\u6d4b\u8d34\u88c5\u529b，\u8bbe\u7f6e\u4e0a\u9650\u62a5\u8b66\u503c\u4e3a100kPa，\u907f\u514d\u5f15\u811a\u635f\u4f24\u3002<\/p>\n

2.4 \u56de\u6d41\u710a\u6e29\u5ea6\u66f2\u7ebf\u5b9a\u5236\u5316\u8bbe\u8ba1<\/p>\n

\u56de\u6d41\u710a\u662fSMT\u7684\u6838\u5fc3\u73af\u8282，\u6e29\u5ea6\u66f2\u7ebf\u8bbe\u8ba1\u9700\u517c\u987e\u710a\u70b9\u8d28\u91cf\u4e0e\u5668\u4ef6\u53ef\u9760\u6027\u3002\u5bf9\u4e8eASM1042S2S，\u63a8\u8350\u91c7\u7528\u4ee5\u4e0b\u516b\u6e29\u533a\u66f2\u7ebf：<\/p>\n

\u9884\u70ed\u533a（\u5ba4\u6e29\u81f3150\u2103）：\u5347\u6e29\u659c\u73871-2\u2103\/s，\u4f7fPCB\u4e0e\u5668\u4ef6\u5747\u5300\u53d7\u70ed，\u9632\u6b62\u70ed\u51b2\u51fb\u5bfc\u81f4\u5668\u4ef6\u5185\u90e8\u91d1\u5c5e\u7ebf\u952e\u5408\u70b9\u75b2\u52b3\u3002\u6b64\u9636\u6bb5\u9700\u63a7\u5236VCC\u4e0eVIO\u5f15\u811a\u95f4\u7684\u70ed\u68af\u5ea6<2\u2103\/s，\u907f\u514d\u53cc\u7535\u6e90\u7ed3\u6784\u7684\u70ed\u5e94\u529b\u5931\u914d\u3002<\/p>\n

\u4fdd\u6e29\u533a（150-180\u2103）：\u6301\u7eed60-90s，\u786e\u4fdd\u710a\u5242\u5145\u5206\u6d3b\u5316，\u53bb\u9664\u6c27\u5316\u5c42\u3002\u4fdd\u6e29\u65f6\u95f4\u8fc7\u957f\u53ef\u80fd\u52a0\u5267IMC（\u91d1\u5c5e\u95f4\u5316\u5408\u7269）\u751f\u957f，\u5f71\u54cd\u957f\u671f\u53ef\u9760\u6027\u3002<\/p>\n

\u56de\u6d41\u533a（217-245\u2103）：\u5cf0\u503c\u6e29\u5ea6\u8bbe\u5b9a\u4e3a235-240\u2103，\u9ad8\u4e8eSAC305\u6db2\u76f8\u7ebf217\u2103\u4f46\u4f4e\u4e8e\u5851\u5c01\u6599\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6（Tg\u7ea6150\u2103）\u3002\u6db2\u76f8\u7ebf\u4ee5\u4e0a\u65f6\u95f4（TAL）\u63a7\u5236\u572850-70s，\u786e\u4fdd\u710a\u70b9\u5145\u5206\u6da6\u6e7f\u7684\u540c\u65f6\u907f\u514d\u5668\u4ef6\u5185\u90e8\u91d1\u5c5e\u7ebf\u952e\u5408\u70b9\u56e0\u70ed\u81a8\u80c0\u5931\u914d\u4ea7\u751f\u75b2\u52b3\u3002\u5bf9\u4e8eSOP8L\u5c01\u88c5，\u5cf0\u503c\u6e29\u5ea6\u4e0d\u5b9c\u8d85\u8fc7245\u2103，\u9632\u6b62\u5851\u5c01\u6599\u5206\u5c42\u3002<\/p>\n

\u51b7\u5374\u533a：\u964d\u6e29\u659c\u7387-3\u81f3-5\u2103\/s，\u5feb\u901f\u51b7\u5374\u5f62\u6210\u7ec6\u5c0f\u6676\u7c92\u7ed3\u6784，\u63d0\u5347\u710a\u70b9\u673a\u68b0\u5f3a\u5ea6\u3002<\/p>\n

\u9700\u7279\u522b\u6ce8\u610f\u7684\u662f，\u7531\u4e8e\u5668\u4ef6\u652f\u6301\u00b170V\u603b\u7ebf\u6545\u969c\u4fdd\u62a4，\u5176\u5185\u90e8\u9ad8\u538b\u5668\u4ef6\u7ed3\u6784\u53ef\u80fd\u5305\u542b\u8f83\u539a\u7684\u91d1\u5c5e\u5c42，\u70ed\u5bb9\u8f83\u5927\u3002\u56e0\u6b64，\u56de\u6d41\u710a\u5e94\u91c7\u7528\u6c2e\u6c14\u4fdd\u62a4（\u6c27\u542b\u91cf<1000ppm），\u964d\u4f4e\u710a\u6599\u6c27\u5316，\u63d0\u5347\u6da6\u6e7f\u6548\u7387，\u540c\u65f6\u51cf\u5c11\u7a7a\u6d1e\u751f\u6210\u3002\u710a\u70b9\u7a7a\u6d1e\u7387\u5e94\u63a7\u5236\u5728<15%，\u5355\u4e00\u7a7a\u6d1e\u76f4\u5f84<25%\u710a\u76d8\u5c3a\u5bf8，\u6ee1\u8db3IPC-A-610G 3\u7ea7\u6807\u51c6\u3002\u5bf9\u4e8e\u9ad8\u53ef\u9760\u5e94\u7528，\u53ef\u91c7\u7528\u771f\u7a7a\u56de\u6d41\u710a\u6280\u672f，\u5c06\u7a7a\u6d1e\u7387\u8fdb\u4e00\u6b65\u964d\u4f4e\u81f3<5%\u3002<\/p>\n

\u4e09\u3001SMT\u8d34\u88c5\u5173\u952e\u6311\u6218\u4e0e\u7cfb\u7edf\u7ea7\u5de5\u7a0b\u5bf9\u7b56<\/p>\n

3.1 \u70ed-\u529b\u8026\u5408\u5931\u6548\u673a\u7406\u4e0e\u7f13\u89e3\u63aa\u65bd<\/p>\n

\u822a\u5929\u5668\u5728\u53d1\u5c04\u9636\u6bb5\u7ecf\u5386\u5267\u70c8\u632f\u52a8\u4e0e\u51b2\u51fb（0-2000Hz\u968f\u673a\u632f\u52a8，\u91cf\u7ea715-25g），\u5728\u8f68\u8fd0\u884c\u9762\u4e34-40\u2103\u81f3+85\u2103\u751a\u81f3\u66f4\u5927\u7684\u6e29\u5ea6\u5faa\u73af（LEO\u536b\u661f\u6bcf\u65e516\u4e2a\u8f68\u9053\u5468\u671f）\u3002SOP8L\u5c01\u88c5\u7684\u9e25\u7ffc\u578b\u5f15\u811a\u901a\u8fc7\u710a\u70b9\u4e0ePCB\u673a\u68b0\u8fde\u63a5，\u70ed\u81a8\u80c0\u7cfb\u6570（TCE）\u5931\u914d\u5f15\u53d1\u7684\u70ed\u5e94\u529b\u662f\u4e3b\u8981\u5931\u6548\u6e90\u3002FR-4\u677f\u6750\u7684TCE\u7ea6\u4e3a14-18ppm\/\u2103，\u800cCu\u5f15\u811a\u4e3a16.5ppm\/\u2103，\u5851\u5c01\u6599\u4e3a8-12ppm\/\u2103，\u8fd9\u79cd\u5404\u5411\u5f02\u6027\u5bfc\u81f4\u6e29\u5ea6\u5faa\u73af\u4e2d\u710a\u70b9\u627f\u53d7\u526a\u5207\u5e94\u529b\u3002<\/p>\n

\u5931\u6548\u6a21\u5f0f\u5206\u6790：\u5728\u6e29\u5ea6\u5faa\u73af\u8f7d\u8377\u4e0b，SOP\u5f15\u811a\u8ddf\u90e8\u710a\u70b9\u6613\u51fa\u73b0\u75b2\u52b3\u88c2\u7eb9，\u88c2\u7eb9\u840c\u751f\u4e8eIMC\u754c\u9762\u5e76\u5411\u710a\u6599\u5185\u90e8\u6269\u5c55\u3002\u5bf9\u4e8e\u652f\u63015Mbps\u9ad8\u901f\u901a\u4fe1\u7684CAN FD\u603b\u7ebf，\u710a\u70b9\u88c2\u7eb9\u4f1a\u5bfc\u81f4\u63a5\u89e6\u7535\u963b\u589e\u5927，\u4fe1\u53f7\u5b8c\u6574\u6027\u52a3\u5316，\u8868\u73b0\u4e3a\u73af\u8def\u5ef6\u65f6\u589e\u52a0\u3001\u8bef\u7801\u7387\u4e0a\u5347\u3002\u5728\u6781\u7aef\u60c5\u51b5\u4e0b，\u88c2\u7eb9\u8d2f\u7a7f\u710a\u70b9\u5bfc\u81f4\u5f00\u8def，\u5f15\u53d1\u901a\u4fe1\u4e2d\u65ad\u3002<\/p>\n

\u5de5\u7a0b\u7f13\u89e3\u63aa\u65bd：（1）PCB\u8868\u9762\u5904\u7406\u91c7\u7528ENEPIG（\u5316\u5b66\u954d\u94af\u91d1）\u66ff\u4ee3ENIG，Pd\u5c42\u539a\u5ea60.05-0.1\u03bcm，\u63d0\u4f9b\u7f13\u51b2\u4f5c\u7528，\u6291\u5236Ni\u6c27\u5316\u5bfc\u81f4\u7684"\u9ed1\u710a\u76d8"\u95ee\u9898；（2）\u710a\u76d8\u8bbe\u8ba1\u91c7\u7528"\u5f15\u811a\u710a\u76d8+\u963b\u710a\u5b9a\u4e49"（SMD）\u65b9\u5f0f，\u589e\u52a0\u710a\u70b9\u9ad8\u5ea6\u81f350-75\u03bcm，\u63d0\u5347\u67d4\u6027；（3）\u5f15\u5165\u5e95\u90e8\u586b\u5145（Underfill）\u6280\u672f，\u9009\u7528Tg>120\u2103\u3001CTE<30ppm\/\u2103\u7684\u73af\u6c27\u6811\u8102，\u586b\u5145\u5f15\u811a\u4e0e\u710a\u76d8\u95f4\u9699，\u5e94\u529b\u53ef\u964d\u4f4e40-60%\u3002\u4f46\u9700\u6ce8\u610f，\u5e95\u90e8\u586b\u5145\u53ef\u80fd\u589e\u52a0\u7ef4\u4fee\u96be\u5ea6，\u987b\u5728\u6210\u672c\u4e0e\u53ef\u9760\u6027\u95f4\u6743\u8861\u3002\u5bf9\u4e8e\u4e0d\u53ef\u7ef4\u4fee\u7684\u822a\u5929PCBA，\u5efa\u8bae\u9ad8\u4ef7\u503c\u5355\u677f\u5168\u9762\u91c7\u7528\u5e95\u90e8\u586b\u5145\u3002<\/p>\n

3.2 \u9759\u7535\u653e\u7535（ESD）\u5168\u8fc7\u7a0b\u9632\u62a4\u4f53\u7cfb<\/p>\n

SMT\u751f\u4ea7\u7ebf\u7684\u9759\u7535\u635f\u4f24（ESD）\u98ce\u9669\u8d2f\u7a7f\u59cb\u7ec8，\u5c24\u5176\u5728\u5668\u4ef6\u5f00\u5c01\u3001\u8d34\u88c5\u3001\u6d4b\u8bd5\u73af\u8282\u3002\u7814\u7a76\u8868\u660e，\u822a\u5929\u7535\u5b50\u5931\u6548\u4e2d\u7ea630%\u4e0eESD\/EOS（\u8fc7\u7535\u5e94\u529b）\u76f8\u5173，\u4e14\u635f\u4f24\u5177\u6709\u6f5c\u4f0f\u6027，\u53ef\u80fd\u5728\u5728\u8f68\u8fd0\u884c\u6570\u6708\u540e\u663e\u73b0\u3002<\/p>\n

\u5168\u8fc7\u7a0b\u9632\u62a4\u4f53\u7cfb\u6784\u5efa：（1）\u5efa\u7acbEPA（\u9759\u7535\u4fdd\u62a4\u533a），\u73af\u5883\u6e29\u5ea6\u63a7\u5236\u572824\u2103\u00b16\u2103，\u6e7f\u5ea640%-60%，\u6240\u6709\u8bbe\u5907\u3001\u5de5\u88c5\u63a5\u5730\u7535\u963b<1\u03a9，\u91c7\u7528\u9632\u9759\u7535\u5730\u677f（\u8868\u9762\u7535\u963b10\u2076-10\u2079\u03a9）；（2）\u64cd\u4f5c\u4eba\u5458\u4f69\u6234\u53cc\u8155\u5e26\u63a5\u5730，\u7535\u963b0.8-1.2M\u03a9，\u5e76\u5b9e\u65bd\u95e8\u7981\u7cfb\u7edf\u4e0e\u9759\u7535\u6d4b\u8bd5\u8054\u52a8；（3）\u6599\u5e26\u5f00\u5c01\u4f7f\u7528\u79bb\u5b50\u98ce\u67aa\u4e2d\u548c\u9759\u7535，\u98ce\u901f0.3-0.5m\/s，\u5e73\u8861\u7535\u538b<\u00b150V；（4）\u8d34\u7247\u673a\u5438\u5634\u91c7\u7528\u9632\u9759\u7535\u805a\u9170\u4e9a\u80fa\u6750\u6599，\u8868\u9762\u7535\u963b10\u2076-10\u2079\u03a9，\u5e76\u6bcf\u73ed\u6b21\u6e05\u6d01；（5）\u8fd4\u5de5\u64cd\u4f5c\u4f7f\u7528\u63a5\u5730\u70d9\u94c1（<30W），\u70d9\u94c1\u5934\u63a5\u5730\u7535\u963b<2\u03a9，\u5e76\u5e76\u8054TVS\u7ba1\u4fdd\u62a4\u3002<\/p>\n

\u503c\u5f97\u6ce8\u610f\u7684\u662f，\u6587\u4ef64\u4e0e\u6587\u4ef65\u7684\u8bd5\u9a8c\u5747\u5728"\u8bd5\u9a8c\u677f\u7531\u7532\u65b9\u63d0\u4f9b"\u7684\u6761\u4ef6\u4e0b\u5b8c\u6210，\u8fd9\u610f\u5473\u7740PCB\u672c\u8eab\u7684ESD\u8bbe\u8ba1（\u5982TVS\u9635\u5217\u3001\u4fdd\u62a4\u73af\u3001\u5c4f\u853d\u5c42）\u5fc5\u987b\u4e0e\u5668\u4ef6\u9632\u62a4\u80fd\u529b\u5339\u914d，\u907f\u514d"\u77ed\u677f\u6548\u5e94"\u3002\u5728PCBA\u5e03\u5c40\u4e2d，CANH\/CANL\u8d70\u7ebf\u5e94\u5e73\u884c\u5e03\u7f6e，\u95f4\u8ddd0.2mm，\u5e76\u91c7\u7528\u5730\u7ebf\u9694\u79bb，\u9632\u6b62\u5171\u6a21\u566a\u58f0\u8026\u5408\u3002\u5668\u4ef6\u5e95\u90e8\u5e94\u94fa\u8bbe\u5b8c\u6574\u7684\u5730\u5e73\u9762，\u901a\u8fc7\u591a\u4e2a\u8fc7\u5b54\u8fde\u63a5\u4e3b\u5730\u5e73\u9762，\u63d0\u4f9b\u4f4e\u963b\u6297\u56de\u6d41\u8def\u5f84\u3002<\/p>\n

3.3 \u710a\u70b9\u957f\u671f\u53ef\u9760\u6027\u8bc4\u4f30\u4e0e\u52a0\u901f\u5bff\u547d\u8bd5\u9a8c<\/p>\n

\u822a\u5929\u5668\u5bff\u547d\u901a\u5e38\u8981\u6c425-15\u5e74，\u710a\u70b9\u53ef\u9760\u6027\u9700\u901a\u8fc7\u52a0\u901f\u5bff\u547d\u8bd5\u9a8c\u9a8c\u8bc1\u3002\u5bf9\u4e8eASM1042S2S，\u63a8\u8350\u5f00\u5c55\u4ee5\u4e0b\u8bd5\u9a8c：<\/p>\n

\u6e29\u5ea6\u5faa\u73af\u8bd5\u9a8c（TCT）：\u4f9d\u636eGJB 548C-2023\u65b9\u6cd51010，\u6761\u4ef6B（-55\u2103\u81f3+125\u2103），1000\u6b21\u5faa\u73af，\u76d1\u6d4b\u710a\u70b9\u63a5\u89e6\u7535\u963b\u53d8\u5316，\u8981\u6c42\u0394R<20%\u3002\u8be5\u8bd5\u9a8c\u53ef\u6a21\u62dfLEO\u536b\u661f\u6bcf\u65e5\u7ea616\u4e2a\u6e29\u5ea6\u5faa\u73af\u7684\u5728\u8f68\u73af\u5883\u3002\u8bd5\u9a8c\u4e2d\u5e94\u5c06\u5668\u4ef6\u7f6e\u4e8e\u5b9e\u9645\u5de5\u4f5c\u6a21\u5f0f，\u5468\u671f\u6027\u53d1\u9001CAN FD\u6570\u636e\u5e27，\u76d1\u6d4b\u8bef\u7801\u7387\u53d8\u5316，\u5b9e\u73b0\u539f\u4f4d\u53ef\u9760\u6027\u8bc4\u4f30\u3002<\/p>\n

\u968f\u673a\u632f\u52a8\u4e0e\u6052\u52a0\u901f\u5ea6：\u6a21\u62df\u53d1\u5c04\u6bb5\u73af\u5883，\u9891\u738720-2000Hz，\u529f\u7387\u8c31\u5bc6\u5ea620g\u00b2\/Hz，\u6301\u7eed\u65f6\u95f42\u5206\u949f\/\u8f74\u3002\u632f\u52a8\u53ef\u80fd\u5bfc\u81f4\u5f15\u811a\u75b2\u52b3\u65ad\u88c2，\u9700\u901a\u8fc7\u91d1\u76f8\u5207\u7247\u4e0e\u5e72\u6d89\u4eea\u68c0\u6d4b\u710a\u70b9\u88c2\u7eb9\u840c\u751f\u3002\u5bf9\u4e8eSOP8L\u5c01\u88c5，\u632f\u52a8\u65b9\u5411\u5e94\u7279\u522b\u6ce8\u610fZ\u8f74（\u5782\u76f4\u4e8ePCB\u5e73\u9762）\u6fc0\u52b1，\u5f15\u811a\u6839\u90e8\u5e94\u529b\u96c6\u4e2d\u7cfb\u6570\u53ef\u8fbe3-5\u3002<\/p>\n

\u91d1\u76f8\u5207\u7247\u5206\u6790：\u5bf9\u8bd5\u9a8c\u540e\u7684\u710a\u70b9\u8fdb\u884c\u6a2a\u622a\u9762\u89c2\u5bdf，\u6d4b\u91cfIMC\u539a\u5ea6\u3002\u6b63\u5e38SAC305\u710a\u70b9\u7684Cu\u2086Sn\u2085 IMC\u539a\u5ea6\u5e94\u63a7\u5236\u57281-3\u03bcm，\u8fc7\u539a\u8868\u660e\u754c\u9762\u8106\u5316\u98ce\u9669\u3002\u7531\u4e8eASM1042S2S\u652f\u63015Mbps\u9ad8\u901f\u901a\u4fe1，\u4fe1\u53f7\u5b8c\u6574\u6027\u8981\u6c42\u710a\u70b9\u7535\u611f<2nH，IMC\u589e\u539a\u4f1a\u663e\u8457\u589e\u52a0\u8d8b\u80a4\u6548\u5e94\u635f\u8017\u3002\u5efa\u8bae\u91c7\u7528\u805a\u7126\u79bb\u5b50\u675f（FIB）\u8fdb\u884c\u7cbe\u786e\u5b9a\u4f4d\u5207\u7247，\u907f\u514d\u673a\u68b0\u7814\u78e8\u5f15\u5165\u7684\u635f\u4f24\u5047\u8c61\u3002<\/p>\n

\u9ad8\u52a0\u901f\u5e94\u529b\u8bd5\u9a8c（HAST）：\u5728110\u2103\u300185%RH\u30011.2atm\u6761\u4ef6\u4e0b\u6301\u7eed96\u5c0f\u65f6，\u8bc4\u4f30\u710a\u70b9\u5728\u6e7f\u70ed\u73af\u5883\u4e0b\u7684\u8150\u8680\u98ce\u9669\u3002\u5bf9\u4e8e\u822a\u5929\u5e94\u7528，\u867d\u7136\u8231\u5185\u6e7f\u5ea6\u4f4e，\u4f46\u53d1\u5c04\u524d\u7684\u5730\u9762\u50a8\u5b58\u53ef\u80fd\u9762\u4e34\u6f6e\u6e7f\u73af\u5883，HAST\u53ef\u6709\u6548\u7b5b\u9009\u51fa\u710a\u5242\u6b8b\u7559\u5bfc\u81f4\u7684\u8150\u8680\u9690\u60a3\u3002<\/p>\n

3.4 \u65e0\u635f\u68c0\u6d4b\u4e0e\u8fc7\u7a0b\u76d1\u63a7\u6280\u672f<\/p>\n

\u822a\u5929PCBA\u8981\u6c42100%\u65e0\u635f\u68c0\u6d4b\u8986\u76d6\u3002ASM1042S2S\u7684SOP8L\u5c01\u88c5\u5bf9X-ray\u900f\u5c04\u6210\u50cf\u4e0d\u6784\u6210\u672c\u8d28\u969c\u788d，\u4f46\u9700\u4f18\u5316\u68c0\u6d4b\u53c2\u6570：<\/p>\n

2D X-ray\u68c0\u6d4b：\u7535\u538b80-120kV，\u7535\u6d41100-200\u03bcA，\u68c0\u6d4b\u6865\u8fde\u3001\u7a7a\u6d1e\u3001\u710a\u6599\u4e0d\u8db3\u3002\u7531\u4e8e\u5668\u4ef6\u5185\u90e8\u65e0BGA\u710a\u7403，2D\u6210\u50cf\u5373\u53ef\u6ee1\u8db3\u9700\u6c42\u3002\u4f46\u9700\u91c7\u7528\u503e\u659c\u89c6\u89d2（45\u00b0）\u89c2\u5bdf\u5f15\u811a\u8ddf\u90e8\u6da6\u6e7f\u60c5\u51b5，\u907f\u514d\u5782\u76f4\u6295\u5f71\u906e\u6321\u3002<\/p>\n

3D CT\u626b\u63cf：\u5bf9\u7591\u4f3c\u7f3a\u9677\u8fdb\u884c\u9ad8\u5206\u8fa8\u7387\u65ad\u5c42\u626b\u63cf，\u5206\u8fa8\u7387<5\u03bcm，\u7528\u4e8e\u8bc6\u522b\u5f15\u811a\u8ddf\u90e8\u5fae\u88c2\u7eb9\u3002CT\u626b\u63cf\u53ef\u751f\u6210\u710a\u70b9\u4e09\u7ef4\u6a21\u578b，\u8ba1\u7b97\u7a7a\u6d1e\u4f53\u79ef\u5206\u6570，\u7cbe\u5ea6\u4f18\u4e8e\u4f20\u7edf\u8d85\u58f0\u68c0\u6d4b\u3002<\/p>\n

AOI\u5149\u5b66\u68c0\u6d4b：\u91c7\u7528\u73af\u5f62\u5149+\u540c\u8f74\u5149\u7ec4\u5408，\u68c0\u6d4b\u5f15\u811a\u7fd8\u8d77\u3001\u504f\u79fb\u3001\u5171\u9762\u6027（\u8981\u6c42<0.08mm）\u3001\u710a\u6599\u6da6\u6e7f\u89d2（\u8981\u6c42>90%）\u3002\u5bf9\u4e8e\u9540NiPdAu\u5f15\u811a，\u9700\u8c03\u6574\u5149\u6e90\u89d2\u5ea6\u907f\u514d\u955c\u9762\u53cd\u5c04\u5e72\u6270\u3002<\/p>\n

\u8fc7\u7a0b\u76d1\u63a7\u9700\u5b9e\u65bdSPC（\u7edf\u8ba1\u8fc7\u7a0b\u63a7\u5236），\u5bf9\u5370\u5237\u4f53\u79ef\u3001\u8d34\u7247\u504f\u79fb\u3001\u56de\u6d41\u5cf0\u503c\u6e29\u5ea6\u7b49\u5173\u952e\u53c2\u6570\u91c7\u96c6Cpk\u6570\u636e，\u8981\u6c42Cpk>1.67\u3002\u6587\u4ef61\u4e2d\u8bd5\u9a8c\u6837\u54c1\u7f16\u53f7P1-1#\u7684\u552f\u4e00\u6027\u8ffd\u6eaf\u673a\u5236\u5e94\u5728\u751f\u4ea7\u7ebf\u4e0a\u63a8\u5e7f，\u901a\u8fc7\u6fc0\u5149\u6253\u7801（Data Matrix\u4e8c\u7ef4\u7801）\u6216RFID\u6807\u7b7e\u5b9e\u73b0"\u4e00\u677f\u4e00\u6863"\u3002\u5bf9\u4e8e\u6279\u91cf\u751f\u4ea7，\u5efa\u8bae\u91c7\u7528MES（\u5236\u9020\u6267\u884c\u7cfb\u7edf）\u5b9e\u65f6\u91c7\u96c6\u8bbe\u5907\u53c2\u6570，\u5b9e\u73b0\u8fc7\u7a0b\u8d28\u91cf\u7684\u6570\u5b57\u5316\u7ba1\u7406\u3002<\/p>\n

\u56db\u3001\u5de5\u7a0b\u5e94\u7528\u573a\u666f\u6df1\u5ea6\u5206\u6790\u4e0e\u7cfb\u7edf\u7ea7\u5b9e\u65bd\u7b56\u7565<\/p>\n

4.1 \u5728\u8f68\u9a8c\u8bc1\u6570\u636e\u4e0e\u53ef\u9760\u6027\u589e\u957f<\/p>\n

TY29\u4e0eTY35\u536b\u661f\u4e8e2025\u5e745\u6708\u5165\u8f68，\u622a\u81f32025\u5e747\u6708，\u5668\u4ef6\u5728\u901a\u4fe1\u7cfb\u7edf\u4e2d\u8fd0\u884c\u6b63\u5e38，\u63a5\u53e3\u901f\u73875Mbps，SEU\u226575MeV\u00b7cm\u00b2\/mg，SEL\u226575MeV\u00b7cm\u00b2\/mg\u3002\u867d\u7136\u9a8c\u8bc1\u65f6\u95f4\u4ec52\u4e2a\u6708，\u4f46\u5df2\u521d\u6b65\u8bc1\u660e\u5668\u4ef6\u5728\u771f\u5b9e\u7a7a\u95f4\u73af\u5883\u4e2d\u7684\u9002\u5e94\u6027\u3002\u5728\u8f68\u6570\u636e\u7684\u6301\u7eed\u91c7\u96c6\u4e0e\u5206\u6790\u662f\u53ef\u9760\u6027\u589e\u957f\u7684\u6838\u5fc3\u3002<\/p>\n

\u53ef\u9760\u6027\u6570\u636e\u95ed\u73af\u673a\u5236：\u5efa\u7acb"\u5730\u9762\u8bd5\u9a8c-\u5728\u8f68\u6570\u636e-\u5de5\u827a\u4f18\u5316-\u6a21\u578b\u4fee\u6b63"\u7684\u95ed\u73af\u81f3\u5173\u91cd\u8981\u3002\u5546\u4e1a\u822a\u5929\u4f01\u4e1a\u5e94\u501f\u9274NASA\u7684"Mission Success"\u7406\u5ff5，\u5c06\u9065\u6d4b\u6570\u636e（\u5de5\u4f5c\u7535\u6d41\u3001\u8bef\u7801\u7387\u3001\u6e29\u5ea6）\u4e0e\u5730\u9762\u52a0\u901f\u8bd5\u9a8c\u6a21\u578b（Arrhenius\u65b9\u7a0b\u63cf\u8ff0\u6e29\u5ea6\u52a0\u901f\u3001Coffin-Manson\u6a21\u578b\u63cf\u8ff0\u6e29\u5ea6\u5faa\u73af\u52a0\u901f）\u8fdb\u884c\u62df\u5408，\u4fee\u6b63\u53ef\u9760\u6027\u9884\u8ba1\u53c2\u6570\u3002\u4f8b\u5982，\u82e5\u53d1\u73b0\u5de5\u4f5c\u7535\u6d41\u4e0a\u53475%，\u53ef\u80fd\u9884\u793aTID\u5bfc\u81f4\u7684\u9608\u503c\u7535\u538b\u6f02\u79fb，\u9700\u53cd\u63a8PCBA\u5236\u9020\u8fc7\u7a0b\u4e2d\u7684\u70ed\u5e94\u529b\u662f\u5426\u52a0\u5267\u4e86\u9000\u5316\u3002\u901a\u8fc7\u8d1d\u53f6\u65af\u65b9\u6cd5\u878d\u5408\u5728\u8f68\u6570\u636e\u4e0e\u5730\u9762\u8bd5\u9a8c\u6570\u636e，\u53ef\u5c06MTBF（\u5e73\u5747\u6545\u969c\u95f4\u9694\u65f6\u95f4）\u9884\u8ba1\u7cbe\u5ea6\u63d0\u534730%\u4ee5\u4e0a\u3002<\/p>\n

4.2 \u4f4e\u6210\u672c\u4e0e\u53ef\u9760\u6027\u7684\u7cfb\u7edf\u6027\u5e73\u8861<\/p>\n

\u5546\u4e1a\u822a\u5929\u7684"\u5feb\u3001\u597d\u3001\u7701"\u7279\u6027\u51b3\u5b9a\u4e86\u65e0\u6cd5\u5b8c\u5168\u7167\u642c\u4f20\u7edf\u822a\u5929\u7684\u8d85\u88d5\u5ea6\u8bbe\u8ba1\u3002ASM1042S2S\u7684\u5546\u4e1a\u822a\u5929\u7ea7\u5b9a\u4f4d\u6b63\u662f\u8fd9\u4e00\u77db\u76fe\u7684\u4ea7\u7269：\u5176\u6210\u672c\u7ea6\u4e3a\u540c\u7b49\u7ea7\u519b\u54c1\u5668\u4ef6\u76841\/5-1\/3，\u4f46\u9700\u901a\u8fc7\u66f4\u4e25\u683c\u7684PCBA\u5de5\u827a\u63a7\u5236\u4e0e\u7cfb\u7edf\u7ea7\u5197\u4f59\u6765\u5f25\u8865\u5668\u4ef6\u7ea7\u4f59\u91cf\u7684\u76f8\u5bf9\u4e0d\u8db3\u3002<\/p>\n

\u7cfb\u7edf\u7ea7\u52a0\u56fa\u7b56\u7565：（1）\u5c40\u90e8\u5c4f\u853d\u52a0\u56fa：\u5bf9\u4e8eTID\u6307\u6807150krad(Si)，\u5728PCBA\u7ea7\u53ef\u901a\u8fc7\u589e\u52a0\u5c40\u90e8\u5c4f\u853d（\u59822mm\u539a\u94bd\u7247\u621610mm\u539a\u94dd\u5c4f\u853d\u7f69）\u5c06\u7b49\u6548\u5242\u91cf\u964d\u4f4e40-60%，\u5b9e\u73b0\u7cfb\u7edf\u7ea7\u4f18\u5316\u3002\u5c4f\u853d\u8bbe\u8ba1\u9700\u901a\u8fc7\u8499\u7279\u5361\u6d1b\u4eff\u771f（\u5982GEANT4）\u4f18\u5316\u5f62\u72b6，\u907f\u514d\u6b21\u7ea7\u4e2d\u5b50\u4ea7\u751f；（2）\u4fe1\u606f\u5197\u4f59：\u5728\u901a\u4fe1\u534f\u8bae\u5c42\u91c7\u7528CRC\u6821\u9a8c\u3001\u5e27\u91cd\u4f20\u673a\u5236，\u5f25\u8865SEU\u5bfc\u81f4\u7684\u5076\u53d1\u6027\u8bef\u7801；（3）\u53cc\u673a\u70ed\u5907：\u5bf9\u4e8e\u5173\u952e\u63a7\u5236\u603b\u7ebf，\u91c7\u7528\u53ccCAN\u6536\u53d1\u5668\u5e76\u884c\u5de5\u4f5c，\u901a\u8fc7\u677f\u7ea7FPGA\u5b9e\u73b0\u4e3b\u5907\u5207\u6362，\u5207\u6362\u65f6\u95f4<10ms；（4）\u964d\u989d\u8bbe\u8ba1：\u5de5\u4f5c\u7535\u538b\u964d\u989d10%（VCC=4.5V），\u5de5\u4f5c\u6e29\u5ea6\u964d\u989d20%（\u7ed3\u6e29\u2264100\u2103），\u53ef\u663e\u8457\u63d0\u5347\u5bff\u547d\u3002<\/p>\n

\u8109\u51b2\u6fc0\u5149\u8bd5\u9a8c\u62a5\u544a（\u6587\u4ef65）\u4e2d\u91c7\u7528\u7684"\u7b49\u6548LET\u503c"\u6982\u5ff5\u4e3a\u5feb\u901f\u7b5b\u9009\u63d0\u4f9b\u4e86\u601d\u8def\u3002PCBA\u5236\u9020\u5546\u53ef\u5728\u6765\u6599\u68c0\u9a8c\u73af\u8282\u5f15\u5165\u6fc0\u5149\u626b\u63cf，\u5bf9\u6bcf\u6279\u6b21\u62bd\u68375%\u8fdb\u884c\u5355\u7c92\u5b50\u654f\u611f\u6027\u5206\u5e03\u56fe\u7ed8\u5236，\u8bc6\u522b\u5f02\u5e38\u82af\u7247，\u6210\u672c\u8fdc\u4f4e\u4e8e\u91cd\u79bb\u5b50\u52a0\u901f\u5668\u8bd5\u9a8c\u3002\u8fd9\u79cd"\u865a\u62dfDPA"\u65b9\u6cd5\u53ef\u5728\u5668\u4ef6\u88c5\u673a\u524d\u5254\u9664\u65e9\u671f\u5931\u6548\u54c1，\u63d0\u5347\u6279\u6b21\u8d28\u91cf\u4e00\u81f4\u6027\u3002<\/p>\n

4.3 \u529f\u80fd\u5b89\u5168\u7279\u6027\u5728PCBA\u7ea7\u7684\u5b9e\u73b0<\/p>\n

\u6570\u636e\u624b\u518c\u5f3a\u8c03ASM1042S2S\u63d0\u4f9b\u529f\u80fd\u5b89\u5168\u8bbe\u8ba1\u652f\u6301，\u5305\u62ec\u6b20\u538b\u4fdd\u62a4\u3001\u663e\u6027\u8d85\u65f6\u4fdd\u62a4\u3001\u70ed\u5173\u65ad\u4fdd\u62a4\u7b49\u3002\u5728PCBA\u7ea7，\u8fd9\u4e9b\u7279\u6027\u9700\u8981\u901a\u8fc7\u5408\u7406\u5e03\u5c40\u4e0e\u5e03\u7ebf\u5b9e\u73b0\u6700\u4f18\u6548\u679c：<\/p>\n

\u6b20\u538b\u4fdd\u62a4（UVP）：VCC\u6b20\u538b\u9608\u503c4.2V（\u4e0a\u5347）\u30013.8V（\u4e0b\u964d），\u5177\u6709200mV\u6ede\u56de\u3002PCBA\u8bbe\u8ba1\u4e2d\u5e94\u5728VCC\u5f15\u811a\u9644\u8fd1\u653e\u7f6e0.1\u03bcF\u4e0e10\u03bcF\u9676\u74f7\u7535\u5bb9\u5e76\u8054，ESL<1nH，\u786e\u4fdd\u7535\u6e90\u7eb9\u6ce2<50mV\u3002VIO\u6b20\u538b\u9608\u503c1.3V，\u9700\u72ec\u7acb\u5e03\u7ebf，\u907f\u514d\u4e0eVCC\u5e73\u9762\u4e32\u6270\u3002<\/p>\n

\u663e\u6027\u8d85\u65f6\u4fdd\u62a4（TXD DTO）：\u5f53TXD\u4fdd\u6301\u663e\u6027\u7535\u5e73\u8d85\u8fc71.2-3.8ms\u65f6，\u9a71\u52a8\u5668\u81ea\u52a8\u5173\u95ed\u3002PCBA\u5e03\u5c40\u65f6TXD\u8d70\u7ebf\u957f\u5ea6\u5e94<50mm，\u907f\u514d\u957f\u7ebf\u4f20\u8f93\u5bfc\u81f4\u8fb9\u6cbf\u7578\u53d8\u8bef\u89e6\u53d1DTO\u3002\u82e5MCU\u81f3\u6536\u53d1\u5668\u8ddd\u79bb\u8f83\u8fdc，\u5efa\u8bae\u5728TXD\u7ebf\u4e0a\u4e32\u805433\u03a9\u7535\u963b\u6291\u5236\u53cd\u5c04\u3002<\/p>\n

\u70ed\u5173\u65ad\u4fdd\u62a4（TSD）：\u89e6\u53d1\u6e29\u5ea6\u7ea6150\u2103\u3002PCBA\u5e94\u5728\u5668\u4ef6\u5e95\u90e8\u94fa\u8bbe\u94dc\u7b94\u6563\u70ed\u710a\u76d8，\u901a\u8fc7\u8fc7\u5b54\u8fde\u63a5\u81f3\u4e3b\u5730\u5e73\u9762，\u70ed\u963b\u53ef\u964d\u4f4e15-20\u2103\/W\u3002\u5bf9\u4e8e\u9ad8\u5bc6\u5ea6\u5e03\u5c40，\u53ef\u5728\u5668\u4ef6\u4e0a\u65b9\u9884\u7559\u5bfc\u70ed\u57ab\u5b89\u88c5\u7a7a\u95f4，\u8fde\u63a5\u81f3\u673a\u7bb1\u6563\u70ed\u3002<\/p>\n

\u65e0\u6e90\u884c\u4e3a\u8bbe\u8ba1：\u672a\u4f9b\u7535\u65f6\u603b\u7ebf\u5f15\u811a\u4e3a\u9ad8\u963b\u6001\u3002PCBA\u8bbe\u8ba1\u5fc5\u987b\u786e\u4fddCANH\/CANL\u4e0a\u62c9\u7535\u963b（\u901a\u5e38\u4e3a60\u03a9\u7ec8\u7aef\u7535\u963b）\u5728\u6536\u53d1\u5668\u65ad\u7535\u65f6\u4e0d\u5f62\u6210\u7535\u6d41\u901a\u8def，\u907f\u514d\u603b\u7ebf\u51b2\u7a81\u3002\u53ef\u901a\u8fc7MOS\u7ba1\u63a7\u5236\u7ec8\u7aef\u7535\u963b\u7684\u7535\u6e90，\u5b9e\u73b0\u603b\u7ebf\u7ba1\u7406\u3002<\/p>\n

4.4 EMC\u6027\u80fd\u4e0eSMT\u5de5\u827a\u7684\u534f\u540c\u8bbe\u8ba1<\/p>\n

\u6570\u636e\u624b\u518c\u6307\u51faASM1042S2S\u652f\u6301SAE J2962-2\u4e0eIEC 62228-3\u6807\u51c6，\u6700\u9ad8500kbps\u65e0\u9700\u5171\u6a21\u627c\u6d41\u5708\u3002\u7136\u800c，\u57285Mbps\u901f\u7387\u4e0b，EMC\u6027\u80fd\u5bf9SMT\u5de5\u827a\u654f\u611f\u3002SMT\u8d34\u88c5\u7f3a\u9677\u53ef\u80fd\u5bfc\u81f4\u8f90\u5c04\u53d1\u5c04\u8d85\u6807\u3002<\/p>\n

EMC\u4f18\u5316\u7b56\u7565：（1）\u710a\u70b9\u5b8c\u6574\u6027：\u865a\u710a\u6216\u7a7a\u6d1e\u4f1a\u589e\u52a0\u63a5\u89e6\u7535\u963b，\u5bfc\u81f4\u4fe1\u53f7\u8fb9\u6cbf\u632f\u94c3，\u589e\u52a0\u5171\u6a21\u566a\u58f0\u3002\u8981\u6c42SMT\u8fc7\u7a0b\u7a7a\u6d1e\u7387<10%；（2）\u63a5\u5730\u8bbe\u8ba1：SOP\u5c01\u88c5\u5e95\u90e8\u65e0\u6563\u70ed\u710a\u76d8，\u9700\u901a\u8fc7\u5f15\u811a2（GND）\u63d0\u4f9b\u4f4e\u963b\u6297\u63a5\u5730\u3002\u5e94\u5728\u5f15\u811a2\u9644\u8fd1\u653e\u7f6e3-5\u4e2a\u8fc7\u5b54，\u8fde\u63a5\u81f3\u5730\u5e73\u9762，\u8fc7\u5b54\u76f4\u5f840.3mm，\u964d\u4f4e\u63a5\u5730\u7535\u611f；（3）\u963b\u6297\u63a7\u5236：CANH\/CANL\u5dee\u5206\u8d70\u7ebf\u5e94\u63a7\u5236\u7279\u6027\u963b\u6297120\u03a9\u00b110%，\u7ebf\u5bbd\/\u95f4\u8ddd\u6839\u636ePCB\u53e0\u5c42\u8ba1\u7b97\u3002SMD\u710a\u76d8\u5f15\u8d77\u7684\u963b\u6297\u4e0d\u8fde\u7eed\u5e94\u901a\u8fc7\u6cea\u6ef4（Teardrop）\u8bbe\u8ba1\u4e0e\u53c2\u8003\u5e73\u9762\u6316\u7a7a\u8865\u507f；（4）\u5c4f\u853d：\u5728\u5f3a\u5e72\u6270\u73af\u5883，\u53ef\u5728PCBA\u7ea7\u589e\u52a0\u5c40\u90e8\u5c4f\u853d\u7f69，\u8986\u76d6CAN\u6536\u53d1\u5668\u533a\u57df，\u5c4f\u853d\u7f69\u901a\u8fc7\u5f39\u7247\u4e0e\u5730\u5e73\u9762\u591a\u70b9\u63a5\u5730，\u95f4\u8ddd<\u03bb\/20\u3002<\/p>\n

4.5 \u6279\u91cf\u5316\u751f\u4ea7\u4e0e\u67d4\u6027\u5236\u9020\u5e73\u8861<\/p>\n

\u5546\u4e1a\u822a\u5929\u5fae\u7eb3\u536b\u661f\u5e38\u9700\u6570\u5341\u81f3\u6570\u767e\u9897\u6279\u91cf\u5236\u9020，\u8fd9\u5bf9SMT\u751f\u4ea7\u7ebf\u7684\u4e00\u81f4\u6027\u63d0\u51fa\u6311\u6218\u3002\u4f20\u7edf\u822a\u5929\u5355\u4ef6\/\u5c0f\u6279\u91cf\u6a21\u5f0f\u4f9d\u8d56\u4eba\u5de5\u5e72\u9884，\u96be\u4ee5\u9002\u5e94\u5546\u4e1a\u9700\u6c42\u3002<\/p>\n

\u67d4\u6027\u5236\u9020\u7b56\u7565：（1）\u5de5\u827a\u53c2\u6570\u56fa\u5316：\u5bf9ASM1042S2S\u7684SMT\u5de5\u827a\u8fdb\u884cDOE（\u5b9e\u9a8c\u8bbe\u8ba1）\u4f18\u5316，\u786e\u5b9a\u5370\u5237\u538b\u529b\u3001\u8d34\u7247\u504f\u79fb\u3001\u56de\u6d41\u66f2\u7ebf\u7b49\u53c2\u6570\u7684\u6700\u4f18\u7a97\u53e3，\u5f62\u6210\u6807\u51c6\u4f5c\u4e1a\u6307\u5bfc\u4e66（SOP），\u786e\u4fdd\u4e0d\u540c\u6279\u6b21\u4e00\u81f4\u6027；（2）\u5feb\u901f\u6362\u7ebf：\u91c7\u7528\u6a21\u5757\u5316\u94a2\u7f51\u4e0e\u667a\u80fd\u4f9b\u6599\u5668，\u5b9e\u73b0\u4ea7\u54c1\u5207\u6362\u65f6\u95f4<30\u5206\u949f；（3）\u5728\u7ebf\u68c0\u6d4b\u96c6\u6210：\u5c06SPI\u3001AOI\u3001AXI\u6570\u636e\u5b9e\u65f6\u53cd\u9988\u81f3MES\u7cfb\u7edf，\u81ea\u52a8\u5224\u5e9f\u4e0e\u8ffd\u6eaf；（4）\u6570\u5b57\u5b6a\u751f：\u5efa\u7acbSMT\u8fc7\u7a0b\u6570\u5b57\u5b6a\u751f\u6a21\u578b，\u4eff\u771f\u4e0d\u540c\u53c2\u6570\u7ec4\u5408\u5bf9\u710a\u70b9\u53ef\u9760\u6027\u7684\u5f71\u54cd，\u7f29\u77ed\u7814\u53d1\u5468\u671f\u3002<\/p>\n

\u4e94\u3001\u7ed3\u8bba\u4e0e\u672a\u6765\u53d1\u5c55\u65b9\u5411<\/p>\n

\u672c\u6587\u57fa\u4e8eASM1042S2S\u6297\u8f90\u5c04CAN FD\u6536\u53d1\u5668\u7684\u5b8c\u6574\u8bd5\u9a8c\u6570\u636e\u94fe，\u7cfb\u7edf\u5206\u6790\u4e86\u5546\u4e1a\u822a\u5929\u9ad8\u53ef\u9760PCBA\u5236\u9020\u4e2dSMT\u8d34\u88c5\u7684\u5173\u952e\u6280\u672f\u8981\u7d20\u3001\u7cfb\u7edf\u7ea7\u6311\u6218\u4ee5\u53ca\u5de5\u7a0b\u5b9e\u65bd\u7b56\u7565\u3002\u7814\u7a76\u8868\u660e：<\/p>\n

\u7b2c\u4e00，ASM1042S2S\u5728\u5668\u4ef6\u7ea7\u5177\u5907\u5145\u5206\u7684\u6297\u8f90\u5c04\u6027\u80fd\u88d5\u5ea6，150krad(Si) TID\u3001>37.4MeV\u00b7cm\u00b2\/mg SEE\u9608\u503c\u53ca\u5728\u8f68\u98de\u884c\u9a8c\u8bc1\u8868\u660e\u5176\u9002\u7528\u4e8eLEO\u3001SSO\u7b49\u5546\u4e1a\u822a\u5929\u4efb\u52a1，\u6ee1\u8db3QJ10004A\u3001QJ10005A\u7b49\u822a\u5929\u6807\u51c6\u7684\u57fa\u672c\u8981\u6c42\u3002<\/p>\n

\u7b2c\u4e8c，\u4ece\u5668\u4ef6\u53ef\u9760\u6027\u5230\u677f\u7ea7\u7cfb\u7edf\u53ef\u9760\u6027\u7684\u8f6c\u5316\u8fc7\u7a0b\u4e2d，SMT\u8d34\u88c5\u5de5\u827a\u662f\u51b3\u5b9a\u6027\u73af\u8282\u3002\u70ed-\u529b\u8026\u5408\u5931\u6548\u3001ESD\u635f\u4f24\u3001\u710a\u70b9\u75b2\u52b3\u3001\u6279\u6b21\u4e00\u81f4\u6027\u7b49\u95ee\u9898\u5fc5\u987b\u901a\u8fc7\u7cbe\u7ec6\u5316\u94a2\u7f51\u8bbe\u8ba1\u3001\u6c2e\u6c14\u56de\u6d41\u3001\u5e95\u90e8\u586b\u5145\u3001\u5168\u8fc7\u7a0bESD\u9632\u62a4\u3001SPC\u7edf\u8ba1\u63a7\u5236\u53ca\u591a\u7ef4\u5ea6\u65e0\u635f\u68c0\u6d4b\u7b49\u7efc\u5408\u624b\u6bb5，\u5c06\u5de5\u827a\u7f3a\u9677\u7387\u63a7\u5236\u572850ppm\u4ee5\u4e0b，\u624d\u80fd\u786e\u4fdd\u822a\u5929\u7ea7\u8d28\u91cf\u3002<\/p>\n

\u7b2c\u4e09，\u5546\u4e1a\u822a\u5929\u7684\u4f4e\u6210\u672c\u7279\u6027\u8981\u6c42\u7cfb\u7edf\u7ea7\u52a0\u56fa\u7b56\u7565\u4e0e\u5668\u4ef6\u7ea7\u6027\u80fd\u534f\u540c\u4f18\u5316，\u901a\u8fc7\u5c40\u90e8\u5c4f\u853d\u3001\u4fe1\u606f\u5197\u4f59\u3001\u53cc\u673a\u70ed\u5907\u3001\u964d\u989d\u8bbe\u8ba1\u7b49\u624b\u6bb5，\u5728\u5668\u4ef6\u6210\u672c\u964d\u4f4e\u7684\u6761\u4ef6\u4e0b\u5b9e\u73b0\u7cfb\u7edf\u53ef\u9760\u6027\u76ee\u6807，\u4f53\u73b0"\u597d\u94a2\u7528\u5728\u5200\u5203\u4e0a"\u7684\u7cfb\u7edf\u5de5\u7a0b\u601d\u60f3\u3002<\/p>\n

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