Homebrew PCBs

Be very carefull with Ag, Silver loves to form dendrites if there is 
any moisture present (humidity or otherwise).

Dave Miller

--- In Homebrew_PCBs@yahoogroups.com, "alan00463" <alan00463@y...> 
wrote:
>
> Next, I need to get a conductive substance to plate the copper board
> with, after etching.     Either immersion or wipe-on or 
electroplated.
>  I am guessing wipe-on Ag powder would be the easiest.   
> 
> However, I must use *cheapest* rather than easiest or best.
> 
> I have 12 V gel cells, low-amperage DC wall warts, a low-amperage DC
> dial-a-voltage regulator, a low-amperage +- 12 VDC power supply, 
and a
> 24VDC-7A power supply, in addition to regular 115VAC mains.
> 
> From surfing the web, I see that I can plate Cu with tin, silver, or
> nickel.   Polyurethane is another "easy" option for a
> non-chemically-bonded copper protectant, I guess.
> 
> So what based on your experience is the cheapest material that will 
do
> a good job?
> 
> Alan
>