Archive of the former Yahoo!Groups mailing list: 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.
>
>
> ------------------------------------
>
> Be sure to visit the group home and check for new Links, Files, and Photos:
> http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
>
>
>
>


[Non-text portions of this message have been removed]