Homebrew PCBs

On 03/12/12 08:29, David wrote:
> Has anyone tried this? I cannot see how the silver will deposit onto an
> unprepared fibreglass PCB, If it does then it would cover all the board! or
> am I missing something? from my assaying days as far as I am aware
> Hydrochloric [muriatic] acid will not disolve silver, nitric acid will, and a
> combination of the two [aqua regia] will disolve gold and silver and pretty
> much any other metal.

Except Ruthenium.

http://www.youtube.com/watch?v=H7Ng4sOVkns&noredirect=1

I may be way off, or i dont understand this process,
> perhaps someone more enlightened could shed some light on this, as I am also
> interested in thru hole plating.

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