Hi,
take a look here:

http://groups.yahoo.com/group/Homebrew_PCBs/

answers for all your questions

cheers,
Vasile

On 9/25/05, digitaladdictions <digitaladdictions@gmail.com> wrote:
> I am looking to make my first pcb and have a question about the boards
> themselves.  I own a high quality photo printer but not a laser
> printer so I want to use a photo resist method.  Does presensitized
> mean it is a photoresist board?  I thought it did till I found
> http://www.circuitspecialists.com/level.itml/icOid/815 who sells
> copper clad, presensitized and photo resist presensitized. Obviously I
> would want the photo resist presensitized then but what does
> presensitized mean on its own.  Also any recommendations on where to
> buy them from. I only found 2 places so far.
>
> Also I noticed at one place they made "baths" for the boards during
> the etching phase with what appears to be an aquarium heater,something
> I have lying around, to heat the Ferric Chloride to around 100 degrees
> to speed up the etching process.  if I were to make my own setup like
> that rather than using a plastic tray how long could I keep and use
> the same Ferric Chloride.
>
> Thanks
> Justin
>
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