Homebrew PCBs

Photo inksets have UV blockers for the light cyan and light magenta, because they tend to fade quickly without them.

http://tech.dir.groups.yahoo.com/group/Homebrew_PCBs/message/22732

Yellow also reportedly works well. You will need to test your particular inkset.

http://tech.dir.groups.yahoo.com/group/Homebrew_PCBs/message/22737

Makers of screens for screenprinting use standard inks on vellum all the time.


Steve Greenfield AE7HD

--- In Homebrew_PCBs@yahoogroups.com, "Hikmet"  wrote:
>
> "UV blocking ink"  is that a special ink or default inks will block uv's. 
> 
> I have epson l800 and it has dye based ink.
> 
> --- In Homebrew_PCBs@yahoogroups.com, "cunningfellow"  wrote:
> >
> > > Steve Greenfield wrote:
> > > 
> > > It is easier and cheaper to get high resolution
> > > inkjet than to get high resolution Laser.
> > 
> > >> r.d. terramir  wrote:
> > >> inkjets don't do a very good job on transparencies
> > >> and the printout tend to be too opaque.
> > 
> > >>> 
> > 
> > I agree with Steve on this.
> > 
> > a $50 inkjet can do a fine job on proper trannies
> > (if it has UV blocking ink)
> > 
> > a $2000 laser printer can just compete on trace/space
> > but is not as good on large fills
> > 
> > It takes a medium car priced laser printer to beat
> > an inkjet for making phototools.  Then only some of
> > them.  We have had expensive printers that have even
> > failed to do as good as job as a $500 printer.
> >
>