Philip Pemberton wrote:
>
> Dave wrote:
> > Is there some simple but professional plans to build an etchant tank? I
> > mean with heater and agitation, not just a jar and manual labor:)
>
> 1) Buy one of those Tupperware-style cereal containers - the big tall
> two-or-three litre things.
> 2) Glue a pair of 4" x 1" chunks of plastic (Perspex, Plexiglass,
whatever's
> lying around) onto the bottom on either side -- one 4x1 on the left,
one on
> the right. This should help stabilise the tank.
> 3) Buy an air pump, bubbler hose and fish tank heater from your local
pet shop.
> 4) Glue the hose into the bottom of the tank - use something fairly
inert and
> heat resistant. Araldite works a treat, 5-minute epoxy is slightly better
> (slightly stronger and more time to work with it before it sets).
> 5) Glue the heater support clip onto one side of the tank, then mount
the heater.
> 6) Fill the tank about three-quarters full of water. Fire up the
bubbler and
> the heater. Leave it like this for a while to get any glue residue
out. Drain
> and repeat.
> 7) Fill the tank about three-quarters full of etchant. Fire up the heater
> about 20 minutes before you need the tank, and turn on the bubbler
once the
> etchant is warm.
> 8) Drop your board in the tank. Wait for it to etch, then pluck it out. I
> usually drill a hole in the corner of the board and thread some
insulated wire
> through it, then lift the board out by the wire.
>
> Probably not the best way to do it, but it works for me!
>
> I've got some photos of the thing if anyone's interested.
>
> --
> Phil. | (\_/) This is Bunny. Copy and paste Bunny
> ygroups@... | (='.'=) into your signature to help him gain
> http://www.philpem.me.uk/ | (")_(") world domination.
>
Phil, I would like to see a picture of this contraption :)
Thanks,
Dave