Re: Gold plating the entire PCB



On Mar 31, 11:02 am, qrk <SpamT...@xxxxxxxx> wrote:
MooseFET wrote:

Lately, I've been looking again at gold plating the entire PCB. It
makes a nice chemically stable layer on top of the copper. With the
price of copper these days, changes are the copper on the PCB will
cost more than the small amount of gold involved.

If you don't care about long term reliability or your selling to
audiophools (everybody knows that gold is the best conductor!) gold
plate to your heart's content.

It is interesting that you say the above and then:
[....]
Theses days with BGAs and 0402 parts and smaller, immersion gold or
silver is recommended.

You you are saying that gold is a reliability problem and recomended.
What gives?



.



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