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电镀均匀性测试报告-全英文(2个doc).doc

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更新时间:2015/3/26(发布于上海)

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Subj: Auto Cu/Sn Plating Distribution and Throwing Power Test Report 1.  Objective From the prior testing result, we know the Auto Cu/Sn line has a poor plating distribution. According to the testing result, we have modified the copper plating tank 20#, adjusting the flight bar and V-block, adding a set floating shield and a set baffle near the top of the titanium baskets. We make this test to check present plating distribution and throwing power for different AR (aspect ratio). 2.  Test Conditions   1) Test Boards Panel Size: 18"x24" 1.6mm H/HOZ Drilling Hole Size (2pnls): Ø0.30mm, Ø0.35mm, Ø0.40mm, Ø0.45mm 2) Copper Plating Solution  CuSO4.5H2O:  65.7g/l  H2SO4:        95.4ml/l  Cl-:           40-80mg/l  PCM+:        2.5-7.5ml/l  Temperature:  25±3℃ 3) Plating Parameter Auto Cu/Sn line tank 20#: flight bar B DK=18ASF×80min      Mechanical Agitation: 20mm 4) Titanium Baskets      Size:     2″×6″×36″      Number:  8 titanium baskets per anode bar, arraying uniformly 5) Test Boards on Rack:

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