Homebrew PCBs

On 18/03/2012 23:35, Philip Pemberton wrote:
> On 18/03/12 21:36, Leon Heller wrote:
>  > You can buy a solvent which evens out the toner deposit. You'd be better
>  > off with an inkjet printer, though.
>
> I know -- my Canon iP4600 does a great job on JetStar Premium. It's just
> I've got three packs of LaserStar which I'd like to see working...
> otherwise that's \ufffd30 and change down the pan.
>
> I'll probably put an order in with Mega over the next couple of days...
> something along the lines of:
> * A roll of dry-film photoresist to re-coat these boards
> * a few pre-coated Microtrak boards (though the quality seems to be
> hit and miss, the last few I used had a ~10mm wide uncoated patch down
> one or two sides.. is Fotoboard2 is any better?)
> * A few of the Seno photoresist developer/stripper packs, and/or maybe
> some CPD5 photoresist developer.
>
> And I have a nice big bottle of dark green ferric chloride (isn't that
> stuff supposed to be brown?) which is taking 40 odd minutes to etch and
> is full of floating crud... time to dump it and mix a fresh batch, I
> reckon...

Fotoboard 2 works very well for me.

FeCl3 doesn't go off, I've used the same bottle of it for over a year. 
It needs to be used warm, with constant agitation. I can etch a board in 
under 5 minutes.

Leon
-- 
Leon Heller
G1HSM