James,

Is your customer asking for 100 microns or 100 microinches?  Does you customer want this surface finish for soldering or for wirebonding? 

Regards,
George

George M. Wenger (908)-546-4531 
Reliability / FMA Engineer
Base Station and Subsystems Group
Andrew Corporation,  40 Technology Drive, Warren, NJ 07059
[log in to unmask]



-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of James Hofer
Sent: Thursday, November 04, 2004 1:41 PM
To: [log in to unmask]
Subject: [TN] Immersion Silver


I have a customer asking for Imm Silver over 100um NI. I am concerned putting the Silver over the NI as it may lift or peel. This is the first time I have had this kind of request. Have any of you well informed Tech Heads heard of this before???
ps. This customer also asked for OSP over the Silver over the NI. I KNOW that is not done.

Thanks for any feedback,

James Hofer

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