Get the BGA sockets made by E-tool in Switzerland. Get the type that
uses the crowned pins, not the coil springs. The coil spring contacts do
not work very well, and with the crowned pins you can test the BGA after
the component is removed, and the old solder removed, but prior to
re-balling. You can also test BGAs as received with balls attached with
the crowned pins. You can then use the "golden unit" CCA as a test
verification tool on the removed parts, or use it as a screening tool on
new BGAs coming in the door prior to assembly.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David Tremmel
Sent: Thursday, February 19, 2009 3:08 PM
To: [log in to unmask]
Subject: [TN] BGA testing sockets

Hello Technetters,


I am in a situation where I need to verify if a pulled PBGA is
functional before it is reballed and re-mounted to a circuit board.  The
PBGAs are 31mm x 31mm with 1.00 and 1.27mm ball spacing.

 

If anyone has experience with BGA (or LGA) test sockets along with a
company they would like to recommend it would be greatly appreciated.

 

 


Thank you in advance,
 
David Tremmel
Value Recovery


(847) 557-9574 - Phone
(847) 557-9573 - Fax


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