{"id":5401,"date":"2021-10-28T10:47:37","date_gmt":"2021-10-28T02:47:37","guid":{"rendered":"http:\/\/www.szryc.com\/?p=5401"},"modified":"2021-10-28T10:47:37","modified_gmt":"2021-10-28T02:47:37","slug":"pcba%e4%b8%8a%e7%9a%84cpu%e4%b8%8eflas%e5%99%a8%e4%bb%b6%e7%84%8a%e6%8e%a5%e8%b4%a8%e9%87%8f%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=5401","title":{"rendered":"PCBA\u4e0a\u7684CPU\u4e0eFlas\u5668\u4ef6\u710a\u63a5\u8d28\u91cf\u5206\u6790"},"content":{"rendered":"<p>\u4e00 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decoding=\"async\" class=\"alignnone size-full wp-image-5403\" title=\"pYYBAGFvs9aAYsFhAABoc6PE0Co108\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9aAYsFhAABoc6PE0Co108.jpg\" alt=\"pYYBAGFvs9aAYsFhAABoc6PE0Co108\" width=\"457\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9aAYsFhAABoc6PE0Co108.jpg 457w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9aAYsFhAABoc6PE0Co108-300x236.jpg 300w\" sizes=\"auto, (max-width: 457px) 100vw, 457px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5405\" title=\"poYBAGFvs9eAS1s9AABpcI2StKc798\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9eAS1s9AABpcI2StKc798.jpg\" alt=\"poYBAGFvs9eAS1s9AABpcI2StKc798\" width=\"480\" height=\"358\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9eAS1s9AABpcI2StKc798.jpg 480w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9eAS1s9AABpcI2StKc798-300x224.jpg 300w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>\u56fe2 CPU\u5668\u4ef6\u4e2dBGA \u710a\u7403\u7684\u5916\u89c2\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe3 CPU\u5668\u4ef6\u4e2dBGA \u710a\u7403\u7684\u5c40\u90e8\u5916\u89c2\u7167\u7247<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5406\" title=\"pYYBAGFvs9iATtBsAACZZU_G3FU097\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9iATtBsAACZZU_G3FU097.jpg\" alt=\"pYYBAGFvs9iATtBsAACZZU_G3FU097\" width=\"482\" height=\"361\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9iATtBsAACZZU_G3FU097.jpg 482w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9iATtBsAACZZU_G3FU097-300x225.jpg 300w\" sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5407\" title=\"poYBAGFvs9iASAH_AACNzwtddJY712\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9iASAH_AACNzwtddJY712.jpg\" alt=\"poYBAGFvs9iASAH_AACNzwtddJY712\" width=\"479\" height=\"360\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9iASAH_AACNzwtddJY712.jpg 479w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9iASAH_AACNzwtddJY712-300x225.jpg 300w\" sizes=\"auto, (max-width: 479px) 100vw, 479px\" \/><\/p>\n<p>\u56fe4\u00a0<u>PCB\u677f<\/u>\u4e2dCPU\u710a\u76d8\u7684\u5916\u89c2\u7167\u7247 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe5 PCB\u677f\u4e2dFlash\u7684\u5916\u89c2\u7167\u7247<br \/>\n2.2 X-RAY \u00a0\u68c0\u6d4b<br 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srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9mANz5_AABw3XJ4epE642.jpg 481w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9mANz5_AABw3XJ4epE642-300x225.jpg 300w\" sizes=\"auto, (max-width: 481px) 100vw, 481px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5411\" title=\"poYBAGFvs9qASkc_AABOQqJEXdM966\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9qASkc_AABOQqJEXdM966.jpg\" alt=\"poYBAGFvs9qASkc_AABOQqJEXdM966\" width=\"473\" height=\"361\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9qASkc_AABOQqJEXdM966.jpg 473w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs9qASkc_AABOQqJEXdM966-300x229.jpg 300w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><\/p>\n<p>\u56fe6 CPU \u710a\u70b9\u7684X\uff0dray\u5178\u578b\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe7 Flash \u710a\u70b9\u7684X\uff0dray \u5178\u578b\u7167\u7247<\/p>\n<p>&nbsp;<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5412\" title=\"pYYBAGFvs9qAY-wfAABq3Mwg37Q856\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9qAY-wfAABq3Mwg37Q856.jpg\" alt=\"pYYBAGFvs9qAY-wfAABq3Mwg37Q856\" width=\"481\" height=\"361\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9qAY-wfAABq3Mwg37Q856.jpg 481w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9qAY-wfAABq3Mwg37Q856-300x225.jpg 300w\" sizes=\"auto, (max-width: 481px) 100vw, 481px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5409\" title=\"pYYBAGFvs9uAN5s3AABNL56HFyA608\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9uAN5s3AABNL56HFyA608.jpg\" alt=\"pYYBAGFvs9uAN5s3AABNL56HFyA608\" width=\"475\" height=\"363\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9uAN5s3AABNL56HFyA608.jpg 475w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9uAN5s3AABNL56HFyA608-300x229.jpg 300w\" sizes=\"auto, (max-width: 475px) 100vw, 475px\" \/><\/p>\n<p>\u56fe8 \u00a0\u503e\u659c\u540e\u89c2\u5bdf\u5230\u7684CPU \u710a\u70b9\u7684X\uff0dray\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe9 \u00a0\u503e\u659c\u540e\u89c2\u5bdf\u5230\u7684 Flash\u710a\u70b9\u7684X-ray\u7167\u7247<\/p>\n<p>&nbsp;<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5414\" title=\"poYBAGFvs92AAWxRAABFLImZ9oI660\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs92AAWxRAABFLImZ9oI660.jpg\" alt=\"poYBAGFvs92AAWxRAABFLImZ9oI660\" width=\"478\" height=\"364\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs92AAWxRAABFLImZ9oI660.jpg 478w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs92AAWxRAABFLImZ9oI660-300x228.jpg 300w\" sizes=\"auto, (max-width: 478px) 100vw, 478px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5410\" title=\"pYYBAGFvs92ANhVmAAA57S2huvg059\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs92ANhVmAAA57S2huvg059.jpg\" alt=\"pYYBAGFvs92ANhVmAAA57S2huvg059\" width=\"478\" height=\"362\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs92ANhVmAAA57S2huvg059.jpg 478w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs92ANhVmAAA57S2huvg059-300x227.jpg 300w\" sizes=\"auto, (max-width: 478px) 100vw, 478px\" \/><\/p>\n<p>\u56fe10 \u00a0\u90e8\u5206CPU\u710a\u70b9\u7684\u653e\u5927\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe11 \u00a0\u90e8\u5206Flash\u710a\u70b9\u7684\u653e\u5927\u7167\u7247<\/p>\n<p>2.3 \u91d1\u76f8\u5207\u7247\u5206\u6790<\/p>\n<p>\u5728\u6837\u54c1\u4e0a\u622a\u53d6\u5931\u6548\u7684 \u00a0BGA \u00a0\u5668\u4ef6\uff0c\u7528<u>\u73af\u6c27\u6811\u8102<\/u>\u9576\u5d4c\u540e\u6253\u78e8\u629b\u5149\uff0c\u7528\u91d1\u76f8\u663e\u5fae\u955c\u89c2\u5bdfBGA \u5668\u4ef6\u710a\u70b9\u7684\u91d1\u76f8\u5207\u7247\uff0c\u710a\u70b9\u7684\u91d1\u76f8\u7167\u7247\u89c1\u56fe \u00a012\uff5e\u56fe \u00a025\u3002\u5176\u4e2d \u00a0CPU \u710a\u70b9\u7684\u5178\u578b \u00a0\u91d1\u76f8\u7167\u7247\u89c1\u56fe \u00a012\uff5e\u56fe \u00a019\uff0c\u7531\u56fe\u53ef\u4ee5\u53d1\u73b0\u90e8\u5206\u710a\u7403\u710a\u6599\u4e0e \u00a0PCB \u710a\u76d8\u4e4b\u95f4\u6da6\u6e7f\u4e0d\u826f\uff0c\u672a\u89c2\u5bdf\u5230\u826f\u597d\u7684\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u5c42\uff0c\u4e2a\u522b\u710a\u70b9\u751a\u81f3\u53d1\u73b0\u5b58\u5728\u5f00\u88c2\u73b0\u8c61\uff1b\u540c\u65f6\u8fd8\u89c2\u5bdf\u5230\u710a 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srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9-AAHx6AABn6wrhkpo103.jpg 479w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvs9-AAHx6AABn6wrhkpo103-300x225.jpg 300w\" sizes=\"auto, (max-width: 479px) 100vw, 479px\" \/><\/p>\n<p>\u56fe12 CPU\u5668\u4ef6\u90e8\u5206\u710a\u70b9\u7684\u91d1\u76f8\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe13 \u00a0CPU\u5668\u4ef6\u6b63\u5e38\u710a\u70b9\u7684\u5178\u578b\u91d1\u76f8\u7167\u7247<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5418\" title=\"poYBAGFvs-CAPCC8AABgUn1_ULA128\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs-CAPCC8AABgUn1_ULA128.jpg\" alt=\"poYBAGFvs-CAPCC8AABgUn1_ULA128\" width=\"477\" height=\"358\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs-CAPCC8AABgUn1_ULA128.jpg 477w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs-CAPCC8AABgUn1_ULA128-300x225.jpg 300w\" sizes=\"auto, (max-width: 477px) 100vw, 477px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5415\" title=\"poYBAGFvs-GAFbAGAABl0ps4ZaQ769\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs-GAFbAGAABl0ps4ZaQ769.jpg\" alt=\"poYBAGFvs-GAFbAGAABl0ps4ZaQ769\" width=\"478\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs-GAFbAGAABl0ps4ZaQ769.jpg 478w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvs-GAFbAGAABl0ps4ZaQ769-300x225.jpg 300w\" sizes=\"auto, (max-width: 478px) 100vw, 478px\" \/><\/p>\n<p>\u56fe14 \u00a0\u710a\u6599\u4e0e\u710a\u76d8\u6da6\u6e7f\u4e0d\u826f\u7684\u5178\u578b\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe15 \u00a0\u710a\u70b9\u5c40\u90e8\u653e\u5927\u7167\u7247\uff08\u89c1\u56fe 14 \u7ea2\u6846\uff09<\/p>\n<p 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srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtAqAJABVAABynxVXgeI722.jpg 482w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtAqAJABVAABynxVXgeI722-300x226.jpg 300w\" sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5427\" title=\"poYBAGFvtAqAaFszAABeGHYBzvg872\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtAqAaFszAABeGHYBzvg872.jpg\" alt=\"poYBAGFvtAqAaFszAABeGHYBzvg872\" width=\"480\" height=\"360\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtAqAaFszAABeGHYBzvg872.jpg 480w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtAqAaFszAABeGHYBzvg872-300x225.jpg 300w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>\u56fe22 Flash\u710a\u70b9\u7684\u5178\u578b\u91d1\u76f8\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe23 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srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtAuAJlDDAABaBSVz7pg820.jpg 480w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtAuAJlDDAABaBSVz7pg820-300x225.jpg 300w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>\u56fe24 \u51fa\u73b0\u7a7a\u6d1e\u710a\u70b9\u7684\u5178\u578b\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe25 \u00a0\u710a\u7403\u710a\u6599\u4e0e\u710a\u76d8\u6da6\u6e7f\u6027\u4e0d\u826f\u7684\u5178\u578b\u7167\u7247<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5429\" title=\"pYYBAGFvtAyAYxpEAABfswroVMA656\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtAyAYxpEAABfswroVMA656.jpg\" alt=\"pYYBAGFvtAyAYxpEAABfswroVMA656\" width=\"481\" height=\"358\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtAyAYxpEAABfswroVMA656.jpg 481w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtAyAYxpEAABfswroVMA656-300x223.jpg 300w\" sizes=\"auto, (max-width: 481px) 100vw, 481px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5428\" title=\"poYBAGFvtAyAPlzkAABXEohg0V0034\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtAyAPlzkAABXEohg0V0034.jpg\" alt=\"poYBAGFvtAyAPlzkAABXEohg0V0034\" width=\"481\" height=\"356\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtAyAPlzkAABXEohg0V0034.jpg 481w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtAyAPlzkAABXEohg0V0034-300x222.jpg 300w\" sizes=\"auto, (max-width: 481px) 100vw, 481px\" \/><\/p>\n<p>\u56fe26 \u00a0\u710a\u6599\u7194\u878d\u4e0d\u5b8c\u5168\u7684\u5178\u578b\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe27 \u00a0\u710a\u70b9\u5c40\u90e8\u653e\u5927\u7167\u7247\uff08\u89c1\u56fe24 \u7ea2\u6846\uff09<br 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decoding=\"async\" class=\"alignnone size-full wp-image-5433\" title=\"poYBAGFvtA6AbPoJAABdgU5ANz8636\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtA6AbPoJAABdgU5ANz8636.jpg\" alt=\"poYBAGFvtA6AbPoJAABdgU5ANz8636\" width=\"477\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtA6AbPoJAABdgU5ANz8636.jpg 477w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtA6AbPoJAABdgU5ANz8636-300x226.jpg 300w\" sizes=\"auto, (max-width: 477px) 100vw, 477px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5430\" title=\"pYYBAGFvtA-AYLNpAABxFAbLMqI624\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtA-AYLNpAABxFAbLMqI624.jpg\" alt=\"pYYBAGFvtA-AYLNpAABxFAbLMqI624\" width=\"481\" height=\"361\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtA-AYLNpAABxFAbLMqI624.jpg 481w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtA-AYLNpAABxFAbLMqI624-300x225.jpg 300w\" sizes=\"auto, (max-width: 481px) 100vw, 481px\" \/><\/p>\n<p>\u56fe28 \u00a0\u8131\u843d\u710a\u7403\u7684\u5c40\u90e8\u653e\u5927\u7167\u7247\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe29 \u00a0\u8131\u843d\u710a\u7403\u5185\u90e8\u51fa\u73b0\u88c2\u7f1d\u7684\u5178\u578b\u7167\u7247<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5434\" title=\"pYYBAGFvtBCAQKA9AABlYI0Sg-c884\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBCAQKA9AABlYI0Sg-c884.jpg\" alt=\"pYYBAGFvtBCAQKA9AABlYI0Sg-c884\" width=\"476\" height=\"357\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBCAQKA9AABlYI0Sg-c884.jpg 476w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBCAQKA9AABlYI0Sg-c884-300x225.jpg 300w\" sizes=\"auto, (max-width: 476px) 100vw, 476px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5435\" title=\"poYBAGFvtBGAMZcQAABXQ2Uj5mQ274\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBGAMZcQAABXQ2Uj5mQ274.jpg\" alt=\"poYBAGFvtBGAMZcQAABXQ2Uj5mQ274\" width=\"480\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBGAMZcQAABXQ2Uj5mQ274.jpg 480w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBGAMZcQAABXQ2Uj5mQ274-300x224.jpg 300w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>\u56fe28 \u672a\u4f7f\u7528\u7684CPU \u710a\u7403\u7684\u5178\u578b\u7167\u7247 \u00a01\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe29 \u00a0\u672a\u4f7f\u7528\u7684CPU \u710a\u7403\u7684\u5178\u578b\u7167\u7247 \u00a02<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5436\" title=\"pYYBAGFvtBKAGEBvAABsMqfFqWw995\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBKAGEBvAABsMqfFqWw995.jpg\" alt=\"pYYBAGFvtBKAGEBvAABsMqfFqWw995\" width=\"478\" height=\"358\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBKAGEBvAABsMqfFqWw995.jpg 478w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBKAGEBvAABsMqfFqWw995-300x225.jpg 300w\" sizes=\"auto, (max-width: 478px) 100vw, 478px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5437\" title=\"poYBAGFvtBKAZkhbAABXmsbiFyI289\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBKAZkhbAABXmsbiFyI289.jpg\" alt=\"poYBAGFvtBKAZkhbAABXmsbiFyI289\" width=\"479\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBKAZkhbAABXmsbiFyI289.jpg 479w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBKAZkhbAABXmsbiFyI289-300x225.jpg 300w\" sizes=\"auto, (max-width: 479px) 100vw, 479px\" \/><\/p>\n<p>\u56fe30 \u672a\u4f7f\u7528\u7684CPU\u710a\u7403\u7684\u5178\u578b\u7167\u7247 \u00a01\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe31 \u00a0\u672a\u4f7f\u7528\u7684CPU\u710a\u7403\u7684\u5178\u578b\u7167\u7247 \u00a02<br \/>\n2.4 \u710a\u9521\u818f\u6da6\u6e7f\u6027\u5206\u6790<\/p>\n<p>\u6309\u7167 IPC-TM-650.2.4.45 \u7684\u8981\u6c42\u5bf9\u5de5\u827a\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u7684\u710a\u9521\u818f\u7684\u6da6\u6e7f\u6027\u8fdb\u884c\u6d4b\u8bd5\uff0c\u53d1\u73b0\u6240\u4f7f\u7528\u7684\u710a\u9521\u818f\u7684\u6da6\u6e7f\u6027\u826f\u597d\uff08\u710a\u9521\u818f\u7684\u53ef\u710a\u6027\u8bd5\u9a8c\u7167\u7247\u89c1\u56fe 26 \u548c\u56fe 27\uff09<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5439\" title=\"pYYBAGFvtBOABJPBAABVKDYn3Pk060\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBOABJPBAABVKDYn3Pk060.jpg\" alt=\"pYYBAGFvtBOABJPBAABVKDYn3Pk060\" width=\"482\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBOABJPBAABVKDYn3Pk060.jpg 482w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBOABJPBAABVKDYn3Pk060-300x223.jpg 300w\" sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5438\" title=\"poYBAGFvtBOAMHXtAABRosn21-s159\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBOAMHXtAABRosn21-s159.jpg\" alt=\"poYBAGFvtBOAMHXtAABRosn21-s159\" width=\"479\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBOAMHXtAABRosn21-s159.jpg 479w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBOAMHXtAABRosn21-s159-300x225.jpg 300w\" sizes=\"auto, (max-width: 479px) 100vw, 479px\" \/><\/p>\n<p>\u56fe26 \u00a0\u710a\u9521\u818f\u6da6\u6e7f\u6027\u8bd5\u9a8c\u7684\u5178\u578b\u7167\u7247 \u00a01\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u56fe27 \u00a0\u710a\u9521\u818f\u6da6\u6e7f\u6027\u8bd5\u9a8c\u7684\u5178\u578b\u7167\u7247 \u00a02<br \/>\n2.5 \u7a7a\u767dPCB\u677f\u710a\u76d8\u7684\u53ef\u710a\u6027\u8bd5\u9a8c<\/p>\n<p>\u6309\u7167IPC-STD-003\uff08Solderability\u00a0<u>Te<\/u>sts for Printed Boards\uff09\u8981\u6c42\uff0c\u5bf9\u59d4\u6258\u5355\u4f4d\u6240\u9001\u7684\u7a7a\u767dPCB\u7684\u53ef\u710a\u6027\u8fdb\u884c\u6d4b\u8bd5\uff0c\u8bd5\u9a8c\u6e29\u5ea6\u4e3a235\uff0c\u8bd5\u9a8c\u65f6\u95f4\u4e3a3S\uff0c\u6240\u4f7f\u7528\u7684\u52a9\u710a\u5242\u4e3a\u4e2d\u6027\u52a9\u710a\u5242\uff08\u710a\u9521\u818f\u7684\u53ef\u710a\u6027\u8bd5\u9a8c\u7167\u7247\u89c1\u56fe28\u548c\u56fe29\uff09\uff0c\u53d1\u73b0\u7a7a\u767dPCB\u7684\u90e8\u5206\u710a\u76d8\u7684\u53ef\u710a\u6027\u8f83\u5dee\uff08\u89c1\u56fe\u4e2d\u7ea2\u8272\u7bad\u5934\u6240\u6307\u7684\u9ec4\u8272\u710a\u76d8\uff09\uff0c\u710a\u6599\u5bf9\u710a\u76d8\u7684\u6da6\u6e7f\u4e0d\u826f\u6216\u5f31\u6da6\u6e7f\uff0c\u8fd9\u8bf4\u660eBGA \u91d1\u76f8\u5207\u7247\u4e2d\u53d1\u73b0\u7684\u710a\u7403\u4e0e\u710a\u76d8\u6da6\u6e7f\u4e0d\u826f\u4e0ePCB\u90e8\u5206\u710a\u76d8\u7684\u53ef\u710a\u6027\u4e0d\u826f\u6709\u5173\u3002\u800c\u5f15\u8d77\u710a\u76d8\u53ef\u710a\u6027\u4e0d\u826f\u7684\u539f\u56e0\u53ef\u80fd\u662f\u710a\u76d8\u6c27\u5316\u4e25\u91cd\u6216\u8868\u9762\u6cbe\u6c61\u6709\u673a\u7269\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5440\" title=\"pYYBAGFvtBSAFGdQAACgWGCoHC8217\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBSAFGdQAACgWGCoHC8217.jpg\" alt=\"pYYBAGFvtBSAFGdQAACgWGCoHC8217\" width=\"477\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBSAFGdQAACgWGCoHC8217.jpg 477w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBSAFGdQAACgWGCoHC8217-300x226.jpg 300w\" sizes=\"auto, (max-width: 477px) 100vw, 477px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5441\" title=\"poYBAGFvtBWAKzq6AACSZZWRTOw982\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBWAKzq6AACSZZWRTOw982.jpg\" alt=\"poYBAGFvtBWAKzq6AACSZZWRTOw982\" width=\"480\" height=\"359\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBWAKzq6AACSZZWRTOw982.jpg 480w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBWAKzq6AACSZZWRTOw982-300x224.jpg 300w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>\u56fe28 PCB \u710a\u76d8\u53ef\u710a\u6027\u8bd5\u9a8c\u7684\u5178\u578b\u7167\u7247 \u00a01\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u56fe29 PCB \u710a\u76d8\u53ef\u710a\u6027\u8bd5\u9a8c\u7684\u5178\u578b\u7167\u7247 \u00a02<\/p>\n<p>2.6 SEM\u548cEDAX \u5206\u6790<\/p>\n<p>\u9996\u5148\u5bf9\u56fe 21 \u6240\u793a\u7684\u5f00\u88c2\u710a\u70b9\u8fdb\u884c EDAX \u5206\u6790\uff0c\u53d1\u73b0\u6807\u8bc6 A \u5904\u710a\u76d8\u5904\u7684\u4e3b\u8981\u7684\u5143 \u00a0\u7d20\u6210\u5206\u4e3a\u954d(Ni)\u548c\u78f7(P)\u4ee5\u53ca\u5c11\u91cf\u7684\u9521\uff08Sn\uff09\uff08\u89c1\u56fe \u00a030\uff09\uff0c\u7531\u4e8e\u9521\u542b\u91cf\u8f83\u5c11\uff0c\u8fd9\u8bf4\u660e\u5f00\u88c2\u662f\u4f4d\u4e8e \u00a0PCB \u710a\u76d8\u4e0a\u7684\u954d\u9540\u5c42\u4e0e\u710a\u6599\u4e4b\u95f4\uff0c\u540c\u65f6\u4e5f\u8bf4\u660e \u00a0PCB \u710a\u76d8\u4e0a\u7684\u954d\u9540\u5c42\u4e0e \u710a\u6599\u4e4b\u95f4\u672a\u5f62\u6210\u826f\u597d\u7684\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u5c42\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5442\" title=\"pYYBAGFvtBWAG0XlAABkYvlHXuc214\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBWAG0XlAABkYvlHXuc214.jpg\" alt=\"pYYBAGFvtBWAG0XlAABkYvlHXuc214\" width=\"720\" height=\"518\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBWAG0XlAABkYvlHXuc214.jpg 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBWAG0XlAABkYvlHXuc214-300x216.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u56fe30 \u00a0\u88c2\u7f1dA \u5904PCB\u710a\u76d8\u7684\u80fd\u8c31\u56fe<br \/>\n\u56fe31\u662f\u56fe21\u6807\u8bc6B\u5904\u710a\u6599\u7684\u80fd\u8c31\u56fe\uff0c\u7531\u56fe\u53ef\u53d1\u73b0\u4e3b\u8981\u542b\u6709\u9521\uff08Sn\uff09\uff0c\u78f7\uff08P\uff09\uff0c \u954d(Ni)\uff0c\u78b3\uff08C\uff09\u7b49\u5143\u7d20\uff0c\u7531\u8c31\u56fe\u4e2d\u68c0\u6d4b\u5230\u954d\u542b\u91cf\u8f83\u591a\uff0c\u8fd9\u4e5f\u80fd\u8fdb\u4e00\u6b65\u8bf4\u660ePCB\u710a\u76d8\u4e0a\u7684\u954d\u9540\u5c42\u4e0e\u710a\u6599\u4e4b\u95f4\u672a\u5f62\u6210\u826f\u597d\u7684\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u5c42\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5444\" title=\"poYBAGFvtBaAXaP7AABsWjYXNcw434\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBaAXaP7AABsWjYXNcw434.jpg\" alt=\"poYBAGFvtBaAXaP7AABsWjYXNcw434\" width=\"720\" height=\"431\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBaAXaP7AABsWjYXNcw434.jpg 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/poYBAGFvtBaAXaP7AABsWjYXNcw434-300x180.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u56fe31 \u00a0\u88c2\u7f1dB\u5904\u710a\u6599\u7684\u80fd\u8c31\u56fe<br \/>\n\u53e6\u5916\uff0c\u5bf9CPU\u5668\u4ef6\u8131\u843d\u7684PCB\u710a\u76d8\u8fdb\u884cSEM\u89c2\u5bdf\uff0c\u53d1\u73b0\u710a\u76d8\u8868\u9762\u5b58\u5728\u8f83\u591a\u7684\u88c2\u7f1d\uff0c\u8fd9\u8bf4\u660e\u954d\u9540\u5c42\u7684\u8868\u9762\u7684\u81f4\u5bc6\u6027\u8f83\u5dee\uff08\u89c1\u56fe32\u548c\u56fe33\uff09\uff0c\u56e0\u6b64\uff0c\u540e\u7eed\u6d78\u91d1\u5de5\u827a\u4e2d\u7684\u9178\u6db2\u5bb9\u6613\u6b8b\u7559\u5176\u4e2d\uff0c\u81f4\u4f7f\u954d\u9540\u5c42\u8150\u8680\u6c27\u5316\uff0c\u8fd9\u5fc5\u5c06\u5bfc\u81f4\u710a\u76d8\u7684\u53ef\u710a\u6027\u4e0d\u826f\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5443\" title=\"pYYBAGFvtBeAdTr3AAA7dEJnc5M924\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBeAdTr3AAA7dEJnc5M924.jpg\" alt=\"pYYBAGFvtBeAdTr3AAA7dEJnc5M924\" width=\"360\" height=\"247\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBeAdTr3AAA7dEJnc5M924.jpg 360w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBeAdTr3AAA7dEJnc5M924-300x206.jpg 300w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5445\" title=\"pYYBAGFvtBiAQ3uzAABBzdSOqD4177\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBiAQ3uzAABBzdSOqD4177.jpg\" alt=\"pYYBAGFvtBiAQ3uzAABBzdSOqD4177\" width=\"363\" height=\"246\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBiAQ3uzAABBzdSOqD4177.jpg 363w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/pYYBAGFvtBiAQ3uzAABBzdSOqD4177-300x203.jpg 300w\" sizes=\"auto, (max-width: 363px) 100vw, 363px\" \/><\/p>\n<p>\u56fe32 CPU\u5668\u4ef6\u8131\u843d\u7684PCB \u710a\u76d8\u5178\u578b\u5916\u89c2\u7167\u7247 \u00a01\u00a0 \u00a0 \u00a0\u56fe33 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