[vcf-midatlantic] Saturday

[Chris Fala]

On Wed, Mar 9, 2016 at 12:00 PM, Dave McGuire via vcf-midatlantic <
vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:

> On 03/09/2016 11:46 AM, Chris Fala via vcf-midatlantic wrote:
> >>> Thinking out loud some more: gold traces are on the BACK of circuit
> >>> boards. On the front all you usually see is a brighter/lighter shade of
> >>> green. Am I nuts?
> >>
> >>   Gold traces (if any) can be on either side of the board, or (just as
> >> often) on both sides.  Card-edge connectors are the "iconic" place to
> >> find gold plating...if you throw in some of that it'll be recognizable.
> >>
> >>   The green comes from two places...The top layer of glass/epoxy and the
> >> solder mask.  They are sometimes different shades of green; that's what
> >> you're noticing there.  There are actually many different colors of
> >> both, though green has historically been the most common.
> >>
> >>   Anybody ever use OSH Park for PCB proto runs?  They're purple.  Very
> >> regal. ;)
> >
> > You go Dave! I got a little lazy with my description but you filled in
> the
> > details. :-)
>
>   Uhh...sorry, I hadn't intended to one-up you. :-/  My fingers are in
> high-bandwidth "question answering mode" in email today.
>
>               -Dave
>
> --
> Dave McGuire, AK4HZ
> New Kensington, PA
>

Not at all, very cool. I appreciate your knowledge, experience, and
thoroughness. I know a little bit about a lot of things, I just wish I knew
a LOT about something. :-)