[SI-LIST] ENIG vs Electroplated Gold over Electroplated Nickel

  • From: "Scuteri, Jeremy" <Jeremy.Scuteri@xxxxxxxxxx>
  • To: "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
  • Date: Thu, 13 Mar 2014 21:17:46 +0000

I am trying to understand when ENIG should be avoided (if ever).  I have heard 
that it should be avoided on outside layers because it is very high loss.  At 
what frequencies does this start to matter?  Is Gold over Electroplated Nickel 
a better alternative?

Thanks,
Jeremy Scuteri

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