Homebrew PCBs

Errrr............

I don't think you want to use metal around Ferric
Chloride! Unless it is a high grade stainless steel.

Roland F. Harriston, P.D.

Dennis Waggoner wrote:
>
> > > I would suggest a simple system of a metal pan of hot water on a
> > > stove or hot plate with a shallow plastic pan of echant in it.
>
> If your using HCL and H202 Use only a plastic or rubber container. No
> metals!
>
> I use 1 part HCL and 3 parts H202 in cold weather and 1 part HCL and 4
> parts H202 in warm weather. Not nessecery to heat the solution.
>
> For a 6X6" PCB or smaller I have a tupperware square container about
> 10" square and cover the pcb with about 1/2 to 3/4' of a inch of etchant.
>
> I found that I you gently pry up one side of the PCB with a plastic
> fork or knife so that it is lifted up out of the etchant back and
> forth the removal will go faster. About five minutes to etch a 6x6" board\
>
> Dennis Waggoner
>
>