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September 2006

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Subject:
From:
"Stadem, Richard D." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Stadem, Richard D.
Date:
Tue, 12 Sep 2006 13:22:15 -0500
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text/plain (56 lines)
Helena, I forgot to mention that many delaminations are quite
repairable. There are repair procedures outlined in IPC-STD-7711/7721.
They are not automatic scrap. This requires MRB authority from your
customer, however. 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Pasquito, Helena
Sent: Tuesday, September 12, 2006 11:45 AM
To: [log in to unmask]
Subject: [TN] Delamination

Hi TechNetters,

Let me ask a question; I know delamination is bad, but why?  What is the
failure mode to the board when a board delaminates and would there ever
be an instance that a board that delaminates is still OK to use?  This
is a Class 3 application.  Yes, I know what the IPC standards say but
not real sure about the board process.  Yes, I "googled" and there is a
lot of stuff out there.  Maybe someone can recommend some reading
material (hopefully short and sweet and to the point).

Thanks!
Helena  

Helena Pasquito
Manufacturing Skills Instructor
M/A-COM, Tyco Electronics
1011 Pawtucket Blvd., M/S 107
Lowell, MA 01853
978-442-5024
[log in to unmask]


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