[Noisebridge-discuss] where is the ferric chloride
chrisnoisebridge at gmail.com
Fri May 18 18:51:17 UTC 2012
They are in a tub marked PCBs on the south wall of the hack pile about one shelf off the floor. Saw both bottles in there on Wednesday night.
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On May 16, 2012, at 0:44, Jake <jake at spaz.org> wrote:
> I put a circuitboard etching tank in the darkroom, with an electric heater
> and an air pump. The goal is for it to be ready anytime you want to etch
> a board.
> But i can't find the two bottles of Ferric Chloride etchant which were in
> the dirty shop. There has been a reorganization of the shop recently and
> I figured the liquid etchant would remain where it was (with all the other
> sketchy chemicals) but now i can't find it.
> Does anyone know where it went? We need about two bottles to fill the
> tank in the darkroom. (I did find the nasty old half-bottle which was on
> the shelves with soldering tools, but i don't want to use it)
> I also need a mechanical timer knob, like the one on a toaster oven or
> (knob-style) microwave oven, so that it's impossible to accidentally leave
> the heater or air pump on all night. I don't want one from an actual
> toaster oven though, because if you turn the knob backwards a little bit
> it just stays on. And i don't want to take the one from our nice
> stainless steel Amana microwave because it is going to be repaired soon,
> and also that timer only runs if it has power.
> Thank you for your interest in etching circuitboards at noisebridge.
> After this equipment is set up and running I will teach a class on making
> your own circuitboards from scratch at noisebridge.
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