If memory serves me I think the EMPF had developed a process for lead
conditioning. You might check them out at
http://www.empf.org/html/empfset.htm 

KennyB

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Leland Woodall
Sent: Tuesday, June 21, 2005 12:25 AM
To: [log in to unmask]
Subject: [TN] IC Lead Conditioning Services

TechNetters,
 
Every now and then we run across some expensive IC fine pitched QFP
components, primarily in trays, that have seen damage to their leads.
This is caused by handling issues, dropping, or bands breaking within
resealed bags that have been punctured somehow in the process.
 
Instead of throwing these away, can they actually be "reconditioned" by
an outside service at both a reasonable cost and to satisfy our Class 3
reliability requirements?  I know that leads that have been truly
mangled are candidates for the can, but what about those that are only
slightly bent, putting the component outside of our coplanarity specs?
 
I hate to waste money, but I also have to make certain that any lead
that undergoes a corrective bend doesn't decide to fall off during
customer usage.
 
Could you please lend your professional thoughts and prior experience
with this?
 
Many thanks,
 
Leland Woodall
Quality Coordinator
Keihin Carolina System Technology, Inc.

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