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May 2001

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Subject:
From:
Jon Moore <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 8 May 2001 16:31:01 EDT
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In a message dated 5/8/2001 3:20:54 PM US Eastern Standard Time,
[log in to unmask] writes:

<<
 Does anyone have experience on implementing SPC on P&P process?
 What tools and parameters would you use to control and monitor?
  >>

For one you should be looking at your actual placement vs the CAD centroid
data.  This will take a highly accurate AOI system or CMM to get meaningful
info.  I recommend the AOI solution with the ability to make these accurate
measurements for exact location of each part.  That way you don't have to
remove the board from the line, and could plot a point on your chart as often
as you want.

Jon Moore

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