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June 2005

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From:
Leland Woodall <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Leland Woodall <[log in to unmask]>
Date:
Tue, 21 Jun 2005 03:24:32 -0400
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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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