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May 2012

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Subject:
From:
Douglas Pauls <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Thu, 10 May 2012 11:39:36 -0500
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Graham,
I think you are referring to assembly tooling.  I have considered things 
like transport racks, fixtures, etc.  for the fab process.

Doug Pauls



From:   [log in to unmask]
To:     "TechNet E-Mail Forum" <[log in to unmask]>, 
<[log in to unmask]>
Date:   05/10/2012 11:37 AM
Subject:        RE: [TN] IPC-5703 Question 3



Hi Doug
How about contamination transferred to the assembly from tooling - e.g.
wave pallets, holding fixtures, alignment jigs...

regards,
 - Graham
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
Sent: Thursday, May 10, 2012 1:23 PM
To: [log in to unmask]
Subject: [TN] IPC-5703 Question 3

Perhaps I should have prefaced Question 1 with INCOMING!!!!!!

A commenter has indicated that we should have a section discussing
possible contamination or process residues that come from "Processing
Aids" in board fabrication operations.  We already discuss items like
sharpees, grease pencils, tapes, stickers, etc.

What other "process aids" should be included in a primer on board
cleanliness for fabricators and why?

One of the commenters for this was Dewey, and the IPC Dewey filter
automatically routes those to a black hole.......

Doug Pauls


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