[vcf-midatlantic] Saturday

Dave McGuire mcguire at neurotica.com
Wed Mar 9 12:00:54 EST 2016

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 McGuire, AK4HZ
New Kensington, PA

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