GW-DEC-1: A New DEC Prototyping Board

systems_glitch systems.glitch at
Fri Aug 16 13:43:34 CDT 2019

I'm sure DEC wouldn't have bothered with hard gold plating if their
connectors were metallurgically incompatible :P The few busted DEC
connectors I've replaced did indeed have selective gold plating on the
contact surfaces. Most quality edge connector slots are similarly


On Fri, Aug 16, 2019 at 2:27 PM ben via cctalk <cctalk at>

> On 8/16/2019 12:13 PM, systems_glitch via cctalk wrote:
> > Dwight,
> >
> > I spot check boards. I lack sufficiently sensitive instruments to measure
> > actual thickness (even on a surface plate, it's the same for ENIG as hard
> > gold with an 0.0001" indicator) but ENIG won't stand up to a few swipes
> > with an ink eraser, whereas hard gold will stand up to it no problem. The
> > main issue I've seen, in buying other people's products and projects, is
> > board houses passing off ENIG as hard gold (and charging for it!) or
> > claiming they're using "extra heavy ENIG" -- which of course isn't a
> thing,
> > because ENIG is an ion swap!
> >
> > Thanks,
> > Jonathan
> Is gold plating the best thing? I thought that gold plating only works
> best when matching other gold connections.
> Ben.

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