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
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!
>