Homebrew PCBs

Hi DJ,

> I use an epson R280 printer (claria inks) and found that the regular
> software just can't print decent films.  So I wrote my own.  I do 2880
> dpi prints in solid black on Jetstar film.
Wow, I'm impressed that you've written your own sw! I've tried using the Gutenprint drivers under Linux which are good but my printer just isn't up to the job.
> 
> > The only downside is the transparency film; both types of laser OHP
> > film I've tried (Clarkes Stationers "el cheapo own brand" and Black
> > Diamond 100micron Laser/Copier OHP Film) both buckle more than I would
> > have expected making contact exposure unhappy.
> 
> Are you using a vacuum of some sort to hold it flat?
>
I use a homemade contact frame (2 sheets of perspex bolted todether) which holds everything together adequately. When making double sided boards with buckled film it's very difficult/impossible to get top and bottom artwork aligned properly.

Bob.