Anne Blaquiere-Nowlan wrote:
>
> Subject: Ni/Au and Press-Pin!                             12/9/97   3:57 PM
>
> Hello TechNetters!
>
> Has anyone investigated/tested the reliability and risks associated with the
> use of Tin/Lead compliant press-pins in Gold inserts (Nickel/Gold board
> finish)?
> I know Amp has never looked into this and neither has Berg.
> Any information or lead would be greatly appreciated.
>
> Thanks.
> Anne Blaquiere-Nowlan
> NPI Process Engineer
> Newbridge Networks Corporation
> e-mail : [log in to unmask]
>
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The reverse combination (Au over Ni pins in Sn/Pb holes) was frequently
used in the past, particularly for advanced pins which were used in
small quantities and were barrel plated rather than selectively plated
in bandoliers.  I am not aware of any problems with this technology.

Phil Dudley

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