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May 2002

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Subject:
Re: PTH Vertical Fill Requirement IPC610 Rev. C
From:
"Sauer, Steven T." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 10 May 2002 07:53:53 -0400
Content-Type:
text/plain
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text/plain (44 lines) 
Good Morning Carl,
For starters I would like to say, "Good question, this is going to spread
hysteria throughout Technet land!"  This reminds me of the good 'ol days
providing clarifications and interpretations of mil specs/std that was
somewhat entertaining.
IMHO -- you are correct in your interpretation that the noted exception on
page 6-7 applices to class 2 & 3 (also note that this page conflicts with
table 6-2 Class 2 that states that 75% hole fill is required while 6-7
states 50% is acceptable).  BUT, the user must ensure that this is
acceptable for the intended use environment and all the 'ilities are
unaffected.  I would much rather accept 50% hole fill any day than to
perform touch-up -- oh the joint looks better now, but seriously let's look
at what damage has been done to innerlayer interconnections (oh, we can't
see that so it must be okay).
Have a nice day!

Steve Sauer
Northrop Grumman, Xetron

-----Original Message-----
From: [log in to unmask] [mailto:[log in to unmask]]
Sent: Thursday, May 09, 2002 2:44 PM
To: [log in to unmask]
Subject: [TN] PTH Vertical Fill Requirement IPC610 Rev. C


                Hello,

Looking for the groups opinion(s) on the vertical fill requirement stated on
page 6-7 of IPC-A-610C.

Is the exception pertaining to the Defect Class 3?

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