SMT 客戶品質 - PCBA Return PPM(2013-wk14)

Dec 02, 2014

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SMT 客戶品質 - PCBA Return PPM(2013-wk14). 主要為三大類: 1.焊錫問題(空焊,錫短路), 93 台, 占 82 % 2.作業問題(缺件,反向,錯件), 20 台,占 18 % OT9031-290H-1 空焊 L1*10台 R47*1 台錫短路:C29*5台 R39 *5台缺件 D5*1台反向:Q4*5 台, OTA022-290H-1 空焊 L1*18 台 R31台反向 : D10*1 台缺件 : R38 *1 台

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garth-bullock

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SMT 客戶品質 - PCBA Return PPM(2013-wk14)

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SMT 客戶品質- PCBA Return PPM(2013-wk14) 主要為三大類: 1.焊錫問題(空焊,錫短路),93台, 占82% 2.作業問題(缺件,反向,錯件),20台,占18% OT9031-290H-1 空焊 L1*10台 R47*1 台錫短路:C29*5台 R39 *5台缺件 D5*1台反向:Q4*5 台, OTA022-290H-1 空焊 L1*18 台 R31台反向: D10*1 台缺件: R38 *1台 PB8015-190G-1 空焊M210*2台 C256,RB5,M212,M212,M213各1台反向 ZD206*4台錫短路M210 M219 M208 各1台 REMARK: PCBA Return PPM = Defect q'ty(EA)/Output (KEA)*10^3