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April 1998

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Date:
Tue, 28 Apr 1998 11:41:08 +0200
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Dear colleagues

We have some argues regarding PPM calculations, For an example: for
placement station of automatic SMT components, do we have to count the
soldering pads  or only the components.
If only the components its not the same level of difficult for capacitor
and fine pitch.
The same question is for dispensing machine of SMT glue.
Please E Mail me the general formula for PPM calculation.

Thanks and Best Regards

Rokah  Reuven

IPC Member

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