Mike,

If you closely at HASL boards you'll see that often there is exposed copper on the edges of traces.

Regards,
George

George M. Wenger (908)-546-4531 
Reliability Engineer
RF Power Amplifier Group
Andrew Corporation,  40 Technology Drive, Warren, NJ 07059
[log in to unmask]



-----Original Message-----
From: No Name [mailto:[log in to unmask]]
Sent: Wednesday, June 11, 2003 7:29 AM
To: [log in to unmask]
Subject: [TN] OSP Boards for IPC Class 3 product.


Does anyone out there have experience with OSP and IPC class 3 products?
We have considered changing over to OSP as things shift to lead free. We
also see a cost savings in converting. However, some of our quality people
do not believe the exposed copper on the edges of the pads is acceptable. I
see nothing in the J-STD-001 or IPC-610 that says the fillet must cover the
entire pad. Can anyone relate their experience selling OSP assemblies to the
military?

Thanks for your replies.
-Mike McGee

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