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November 2004

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Subject:
From:
Jeffrey Bush <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Jeffrey Bush <[log in to unmask]>
Date:
Tue, 2 Nov 2004 07:39:34 -0500
Content-Type:
text/plain
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text/plain (66 lines)
I would not use ENIG for switch contacts, but rather selective Grade C
gold over electrolytic Nickel.  Balance could be silver, tin or ENIG for
device placement. 

-----Original Message-----
From: Kaye Clayo [mailto:[log in to unmask]] 
Sent: Monday, November 01, 2004 4:10 PM
To: [log in to unmask]
Subject: [TN] Surface Finish for keypad membrane switches

Technet:

Is ENIG a good reliable surface finish for keypad membrane switches that
cannot be bussed to the edge of the board?
If not, what be a good surface finish for Lead-Free keypad switches.

Thank you in advance.

Kaye Clayo


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