Homebrew PCBs

Let me tell you that the scale thing haopened to me in a very large pcb and I was very angree with myself.

The etchant is ferric cloride?

Did you move the plastic dish in the etching process?

Bye

--- In Homebrew_PCBs@yahoogroups.com, "John" <jferrell13@...> wrote:
>
> 
> After several false starts I got a board ready to etch. I went to Radio
> Shack and bought a bottle of etchant.  It was a chilly(68 F), rainy day
> so I put enough etchant in a plastic dish to cover the board a quarter
> of an inch. I stirred it cautiously and it had barely started to etch in
> 15 minutes. I warmed it gently with a small heat gun up to a little over
> 100 F occaisionally. It took an hour and a half to etch.  I may not have
> shook it up enough so my next attempt will be with the rest of the
> bottle in a bigger dish.
> 
> For the moment, picking a broken drill bit out of one of the holes is
> the next challenge! We don't all have success the first time around.
> 
> BTW, am I the only one to ever get the printer output to the wrong scale
> and not discover it until I drilled the board?
> 
> I am getting closer!
>