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id m0tNklV-0000MdC; Thu, 7 Dec 95 12:09 CST |
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07 Dec 95 12:36:54 EST |
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| From [log in to unmask] Sat Apr 27 15: |
26:34 1996 |
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<"39VEY3.0.bf8.ktonm"@ipc> |
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PPM defect recording and comparison of defect rates between different sites is
very important. A method of recording PPM rates, spread sheets and a training
video on how to do is available. It was produced by the SMART Group and the
Surface Mount Club in the UK a year ago. You can get a copy from the SMTA main
office, just say Bob Willis sent you as I made the video. It will make a GREAT
Christmas gift for all the staff.
Just to put on record if you are seeing a 25 PPM defect level from a process
that is not considered bad.
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