If you have 40 microinches of gold you most likely have e
Steve,



If you have 40 microinches of gold you most likely have electrolytic

plated nickel and gold; with 40 microinches of gold it can't be ENIG

surface finish



Regards,

George

George M. Wenger

Andrew Corporation Wireless Network Solutions

Senior Principal FMA / Reliability Engineer

40 Technology Drive, Warren, NJ 07059

(908) 546-4531 [Office]  (732) 309-8964 [Cell]

-----Original Message-----

From: TechNet [mailto:[log in to unmask]] On Behalf Of [log in to unmask]

Sent: Wednesday, March 14, 2007 9:31 PM

To: [log in to unmask]

Subject: [TN] IPC ENIG SPECIFICATION



Hi All,

I  have a question about this specification. Obviously when the

technical

gurus wrote this they had good reasons for specifying the nickel at a

minimum of 118 microinches. One of our customers recently received some

parts from the far east. The print called for ENIG but the parts came in

with approx. 20 microinches of nickel and approx. 40 microinches of

gold.

My question is what are the reliability/solderability concerns on low

nickel. Thanks in advance. Regards Steve Kelly



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