Homebrew PCBs

Basic:
All  chemical reactions are speeded up under heating.
Most "Pro" etch machines have heaters.

Roland F. Harriston
*******************


DJ Delorie wrote:
>
>
> Today I remembered to heat my etchant. I just ran hot tap water into
> a large container, and floated the FeCl container in it.
>
> Although it had cooled some (the water bath) by the time I got around
> to etching (had problems with blue TT paper, ended up using white),
> the etchant was still warm enough that the copper almost seemed to
> just wipe off with the sponge! The board was etched in no time.
>
> So if any of you haven't tried heating your etchant yet, try it!
>
> DJ
>
>