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July 1998

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Thu, 23 Jul 1998 11:30:12 -0500
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     Rios,

     You have to determine the sampling plan based on the amount of defects
     or rejects you encounter in-process, at the back-in or upon receipt.
     If you have a high number of defects then your sample plan may need to
     be higher and the inverse if quality and rejects are low.  As a
     starting point, I would use the C=0 sampling plan.  If possible,
     acquire "Zero Acceptance Number Sampling Plan," Fourth Edition or
     later, by Nicholas L. Squeglia.  This is only a starting point there
     are other types of sampling plans available.  The above mention is
     from old days of MIL-STD-105E but are in good use today.  Again the
     sampling plan should be based on my first response above.

     John Gulley
     Inet Inc.
     1255 W. 15th St
     Plano, TX 75075


______________________________ Reply Separator _________________________________
Subject: [TN] sampling plan
Author:  Francisco Rios <[log in to unmask]> at Internet
Date:    7/23/98 9:04 AM


Hello everyone,

I am trying to set up a process for testing the solderability of components
and am following ANSI/J-STD-002.  What I need help is in determining a
sampling plan for testing X% of parts from a lot.  Any ideas are welcome.

Thanks,

Francisco Rios
Manufacturing Engineer
Trimble Navigation
408.481.8539

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