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April 1997

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Subject:
Re: FW: IC Test Sockets
From:
Pratap Singh <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Tue, 15 Apr 1997 07:35:14 -0700
Content-Type:
text/plain
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text/plain (25 lines) 
Steve, Yes "Fuzz Button sockets" are being used in many applications.
IBM used it to evaluate PowerPC CPU. Motorola has used to test BGA
packages. The points to consider before using the socket are:

1. Design of the socket
2. Retention of the fuzz buttons in their cavity. Butttons with plunger
are better in this regard.
3. Creep. Depending upon the mechanical design, some creeep may be
experienced where socket need to be retightened to make good contact.

Technit interconnection has socket designs available for BGA
applications. Tel 908-272-5500

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