Homebrew PCBs

Seems you are right one would need to use tin/lead. Some sources say
sulphuric acid / peroxide attacks tin.

Well, one would have to dig out the discussion from a few years ago to
see the details.

ST

On Fri, Jan 8, 2010 at 2:03 PM, Simao Cardoso <simaocardoso@...> wrote:
> Stefan Trethan wrote:
>>
>> I didn't understand what you are saying there. Anyway I made it plenty
>> clear that my information about this etchant is very thin indeed.
>
> Ohh sorry it's obviously nothing personal, but you mentioned at least 2
> times recently that sulfuric etchants won't etch tin. I don't know much
> about this, but i also never saw any prove to that.
>
>