Hi Kerry!
The solder isn't fractured at all. That's why I think that the fab was
like
this from the beginning, or it happened just prior to wave...
-Steve Gregory-
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Kerry McMullen
Sent: Wednesday, January 25, 2006 2:18 PM
To: [log in to unmask]
Subject: Re: [TN] Pad Damage, Leave it alone, or fix it?
Hi Steve,
Is it a Class II board? Has the solder fractured away from the pad that
you can see?
Kerry McMullen
Principal New Product Mfg. Engineer
LTX Corporation
50 Rosemont Road
Westwood, MA 02090-2306
(T) 781-467-5468
Stephen Gregory <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
01/25/2006 03:09 PM
Please respond to
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Subject
[TN] Pad Damage, Leave it alone, or fix it?
Afternoon All,
Today we had one of our final inspectors spot something on a board that
was
getting ready to ship, that I'd like for you all to look at and offer an
opinion if you would...BTW, the board has been tested and coated (with
urethane).
Anyways, our inspector spotted a pad on the backside of a connector lead
that looks like it has a piece of it missing. Take a look at:
http://stevezeva.homestead.com/files/Pad_Damage.jpg
and:
http://stevezeva.homestead.com/files/Pad_Damage_2.jpg
Not really sure if the board was like that from the beginning, or if it
happened possibly during the lead clipping step just before wave solder.
Bottom-line is that we've spotted it. Of course our customer is going to
have the final say on what we are to do about it, but I'd like your
opinion on the problem.
The -610 says at 10.2.9.3 that damage to a conductor/land is a defect,
cut
and dried. But then there is the practical side...
Does this look bad enough that you would go through all the hassle of
having to strip the coating, remove the connector, and repair the pad?
Do
you think that the performance is compromised with this issue?
Just curious what you all think...
Stephen Gregory
Senior Process Engineer
LaBarge Incorporated
Tulsa, OK 74146
(918) 459-2285
(918) 459-2350 FAX
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