Homebrew PCBs

> > But I still mix about a table spoon in 250ml of
> hot
> > water.
> 
> That is nowhere near concentrated enough!

Oh no !

What IS the right proportion?

Do you use lab grade or commercial grade?

> > Also.. does the depth of the etchant matter ?
> 
> Not really, I just like to have plenty of it.

How do you deal with excess etchant?

Have you ever tried anything else other than FeCl3?

KamalS


 
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