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September 1999

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Subject:
Re: solderability of PTFE Taconic material boards
From:
Dwight Mattix <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 21 Sep 1999 14:00:43 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (22 lines) 
At 10:14 AM 9/21/99 -0700, Dave Hoover wrote:
>4) Imm Tin does not have such a pronounced "skin effect" as
>   ENIG does. (Where the signal travels along the gold and the
>   current along the base of the trace <copper>. The eless Nickel
>   makes this even more pronounce in microwave.)

Yep, it's the Ni the RF guys dislike.  It's way lossy.

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