[chbot] chemical milling

Mark Atherton markaren1 at xtra.co.nz
Sun Dec 6 23:09:06 GMT 2020


On 7/12/2020 12:05 PM, ceo at andygardner.com wrote:
> 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
> _______________________________________________
> Chchrobotics mailing list Chchrobotics at lists.ourshack.com
> https://lists.ourshack.com/mailman/listinfo/chchrobotics
> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/
> Meetings usually 3rd Monday each month. See http://kiwibots.org for 
> venue, directions and dates.
> When replying, please edit your Subject line to reflect new subjects.

More information about the Chchrobotics mailing list