I doubt the idea is to compete with a modern board-house. This is a learning
experience, and in all likelihood, and though not to get too moooooshy and
screw up my image as a hard-nosed, cold-hearted prick, an attempt to create
a father/son bonding experience.

> -----Original Message-----
> From: Bagotronix Tech Support [mailto:[EMAIL PROTECTED]
> Sent: Monday, June 16, 2003 10:23 AM
> To: Protel EDA Forum
> Subject: Re: [PEDA] Direct printing of artwork
> 
> 
> Not to throw cold water on your or your son's PCB ambitions, 
> but might it be
> cheaper and less trouble to have the boards made by one of 
> the low cost
> proto houses that exist now?  You can get proto boards done 
> for less than
> $100.  By the time you set up an exposure lamp, buy the 
> chemicals, film, pcb
> blanks, figure out how to dispose of the used etchant, and 
> drill the holes,
> you could be over the $100 and "lots of work" mark.
> 
> Of course, if the idea is to explore the actual process of pcb
> manufacturing, equipment, materials and supplies procurement, 
> and how to
> comply with all the environmental regulations of toxic waste 
> disposal, then
> using a pcb fab house would be missing the point...
> 
> I think it's great that your son has the curiosity about it though.  I
> learned much about working with hand and power tools and auto 
> repair from
> watching and helping my father when I was a kid.  Although I ended up
> choosing a different branch of engineering than my father (I 
> am electrical,
> my father is mechanical and nuclear), I attribute my interest 
> in analysis,
> problem solving, and handyman's skills to the role model that 
> is my father.
> Even though it's the day after Father's Day, I am still 
> saying "Thanks,
> Dad!".
> 
> Best regards,
> Ivan Baggett
> Bagotronix Inc.
> website:  www.bagotronix.com
> 
> 
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Sunday, June 15, 2003 2:56 PM
> Subject: [PEDA] Direct printing of artwork
> 
> 
> > My son wants to build a board to learn how it's done. We've 
> got schematic
> and
> > PCB files ready to roll. I've got some old Kepro-clad kits 
> (pre-sensitized
> > copperclad); now all we need is a way to get the artwork 
> onto a negative.
> I've
> > done it before using viewgraph transparencies, but don't 
> now have a handy
> way
> > to turn the printout into a negative. I recall doing it 
> eons ago by using
> > Postscript output to a file, then directly monkeying with 
> the Postscript
> header to
> > invert the colors. Does anybody have a more modern way to 
> invert black and
> > white? I can print to a PDF, but that doesn't seem helpful. 
> Neither was
> anything
> > I could find in tinkering with the colors within Protel. 
> Surely somebody
> else
> > out there has already done this? Thanks in advance for any 
> help you can
> offer.
> >
> > Steve Hednrix
> 
> 
> 
> 


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