Homebrew PCBs

It was positive film.

Chris

On Fri, Apr 2, 2010 at 7:06 PM, DJ Delorie <dj@...> wrote:

> Did you peel the protective film off after exposing?  (yes, I still make
> this mistake occasionally myself)
>
> Note: most negative films want a 15 minute "rest" period (in the dark)
> before peeling and developing; the reaction creates some gasses that
> help with the hardening and they need to remain trapped by the film for
> that time.  Check with your board's instructions to see if your film
> needs it.
>
>
> ------------------------------------
>
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