Thanks for the info. I can get my hands on a production house laser
printer(Helios) which is standing in a warehouse somewhere. Prints to film
for colour seperation. Huuuge mother weighs about a ton. I think it will do
the job.

Stephan
----- Original Message -----
From: Giles <programmer1@HOTMAIL.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, May 03, 2000 5:06 PM
Subject: Re: [OT] Film and layout for PCB


> We use a Fire 9000 laser plotter, 1/8th mil or 8000 dpi or 0.000125". (not
a
> laser printer)
> We produce film for PCB houses.  Our film registration is 0.0005"
positional
> accuracy. (actually better than that)
> The film is Silver based graphic film. (no toner is used) We develop the
> film.
> By the way, if you can run a x,y test print and give us the skew amounts,
we
> could modify your Gerbers to compensate for the skew, that is if it is
> repeatable and linear.
> Our film is very opaque, and we can produce positives or negatives.
>
> Let me know if I can help.
>
> Best regards,
> Giles
>
>
> ----- Original Message -----
> From: Stephan Kotze <stephank@IAFRICA.COM>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Wednesday, May 03, 2000 2:00 AM
> Subject: Re: [PICLIST] [OT] Film and layout for PCB
>
>
> > Giles
> >
> > Thank you for the offer. My questions:
> >
> > I have had excellent results making my own PCB's using a product called
> > Positiv 20 from Kontakt Chemie. (0.2mm traces no prob.) The problem I do
> > have is that the film distorts going through the laser printer making
> > alignment of the larger double sides PCB's nearly impossible. How do you
> > guys overcome this problem? What film do you use? What laser printer?
> >
> > Your advice would be much appreciated
> >
> > Stephan
> >
> > ----- Original Message -----
> > From: Giles <programmer1@HOTMAIL.COM>
> > To: <PICLIST@MITVMA.MIT.EDU>
> > Sent: Tuesday, May 02, 2000 7:06 PM
> > Subject: [OT] Film and layout for PCB
> >
> >
> > > I know many people on this list are trying to make PCBs by what ever
> home
> > > PCB fabrication they can think of.
> > > At my office, we do film work for PCBs, and if you found that a
printout
> > on
> > > laser printer is not opaque enough or does not have the resolution
> needed,
> > > perhaps I can help.  The guy in my office who does film work will be
> happy
> > > to help a hobbies out (as long as they are not demanding)
> > > As for PCB layout, I will be glad to help on simple designs. (if you
> know
> > > what you want)
> > >
> > > Anyway, we will be willing to help for free as long as we have some
> spare
> > > time.
> > >
> > > e-mail me at my other e-mail account if you are interested
> > > giles@onecorpsource.com
> > > (my hotmail account is too piclist active to check everything)
> > >
> > > Best regards,
> > > Giles
> >