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Date: Thu, 28 Nov 2002 17:23:47 -0500
From: Raymond Rogers
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Subject: Re: gold flash on pcb
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R. Lewis wrote:
> I need a small non-tarnishing contact area on a pcb and have specified a
> gold flash finish.
> Q&A are now asking me how they can check that it is gold in the required
> areas other than a vague 'well it looks different from the tinned surface'.
> Any help?
> Ta everso.
_I_ might suggest some acid that would dissolve the copper and leave the
gold untouched. Depending upon your relationship and resume state, you
might suggest applying it with a finger.
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