[chbot] chemical milling

[ceo at andygardner.com]

Are you milling a channel in the copper or want to eat right through to the other side?

On 7/12/20 10:43 am, Mark Atherton wrote:
> Thanks Andrew,
> 
> The hydrogen peroxide/hydrochloric acid solution looks most interesting; never heard of it before.
> 
> My largest complaint back-in-the-day when using Ferric Chloride was the indelible orange-stain that the spills caused.
> 
> Anyway, I am looking into chemical-milling some thin copper sheet, and you may have solved one of the issues.
> 
> Just wondering about spraying a thin layer of paint on the copper. Removing the 'resist' using a laser cutter, then etching the remaining piece.
> 
> Anyone have any experience with a similar process ??
> 
> -Mark