I found out about this software from Keith's post on the DipTrace forum. I'm also the moderator on Homebrew_PCBs (about making printed circuit boards from many different processes) and Inkjet_PCB_Construction (about using inkjet printers to print resist patterns directly onto blank PCBs).
As far as UV blocking goes, from what I've seen from numerous discussions, it depends on the specific inkset you are using. But often, the color inks block UV better. Possibly because they are more light sensitive than black inks, and maybe the manufacturer added UV blockers?
Steve Greenfield AE7HD
--- In QuadtoneRIP@yahoogroups.com, Mike Finley wrote:
>
> I'd be doubtful that QTR would get a significantly more solid black, but
> that may not be what you need!
> Have you tried other colours to see if they are better at blocking the
> ultraviolet?
> You might also try the PDNPrint group for advice/ideas - they're not
> trying to print cicuit boards, but trying to create negatives for old
> photographic processes, many of which are primarily ultraviolet sensitive.
>
>
> On 10/12/2013 10:00, beefyzee@... wrote:
> >
> > Hi Everyone,
> >
> >
> > I've never heard of qtr before, and have became a little excited now
> > that I have.
> >
> > My need is just one thing, to print solid opaque black on transparent
> > inkjet film. I won't be dealing with halftones or anything, just solid
> > black to block UV light.
> >
> >; I this what QTR can be used for with the printers it works with.
> > ...
> >
> >
>
> --
> mike finley photography
> http://www.mikefinley.co.uk
> http://words.mikefinley.co.uk
>
Message
Re: [QuadtoneRIP] Re: I've only just found QTR
2013-12-16 by Paul Roark
I would recommend the circuit and technical group look at the Epson 1430 and dyes. QTR supports the approach. I think there may be sharpness advantages not only from the smaller 1.4 picoliter droplet but also from the fact that the dyes are inside the coating and not sitting on top. I suspect dot gain or other issues may be better controlled.
See http://www.paulroark.com/BW-Info/1400-Claria-Noritsu-2K2LK.pdf for one of the approaches I use.
Paul
On Mon, Dec 16, 2013 at 9:35 AM, AlienRelics <alienrelics@...> wrote: