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March 1998

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Subject:	Re: Mating Tin / Gold; SIMMs and sockets
From:	Pratap Singh <[log in to unmask]>
Reply To:	[log in to unmask]
Date:	Sun, 1 Mar 1998 07:17:51 -0800
Content-Type:	text/plain
Parts/Attachments:	text/plain (54 lines)

Lee McCuistion wrote:
>
> Ok,
> Who has some technical details, study, or white paper on the validity
> of, or problems with mating tinned fingered SIMMs with gold contact
> sockets or visa-versa?  Does this really have any effect on
> reliability?
>
> Lee McCuistion
> Manufacturing Engineer
> Cubix Corporation
> 2800 Lockheed Way
> Carson City, NV  89706
> 702-888-1000 x237 (voice)
> 702-888-1002 (fax)
> [log in to unmask] (e-mail)
>
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There is plenty of literature on this subject. DO NOT MIX GOLD PLATED
CONTACTS WITH TIN PLATED CONTACT. It is a serious reliability problem.

For details see pages 250-251 in " Failure Modes and Mechanisms in
Electronics Packages" Published by Chapmann & Hall.

To order contact:

International Thomson Publishing
7625 Empire Drive, Florence, KY 41042

Tel. 1-800-842-3636
email: [log in to unmask]

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