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Re: gEDA-user: free technology printer



 As long as they are round, about the size on a CD :-D lol !!!

 / Lars Segerlund.

On Thu, 04 Nov 2004 17:11:29 +0200
Florian Steiper <florian.steiper@seco-lissberg.de> wrote:

> Hello
> 
> I believe I saw (inkjet) printers that were used to print directly on 
> CDR, so if a CD fits in there a PCB might too ?!?
> 
> ciao
> 
>        Florian
> 
> Mike Jarabek wrote:
> 
> > Hi,
> >
> >    Tek used to have a wax based technology called a `Phasar'.  The wax 
> > itself seemed to resist my Ferric Cloride etchant, but I had great 
> > dificulty in transferring the wax to the PCB.  I tried transferring it 
> > from paper and transparencies, but could not control the temperature, 
> > the wax went from solid to runny liquid very quickly, and tended to 
> > smear the traces.  At the time, I had though that if I could somehow 
> > feed the actual bare board through the printer I could image directly 
> > onto the copper, and skip the whole transfer step. ( Unfortunatly the 
> > printer belonged to my employer, and the paper path through the 
> > printer had too many bends in it... And my raw PCB material was not 
> > that flexible. :-)
> >
> > Mike
> >
> > Lars Segerlund wrote:
> >
> >> Now I wonder how hard it would be to modify a common printing head to 
> >> spray a low temperature thermoplastic, does anybody know ?
> >>
> >> It seem's this would be a nice project :-) ...
> >>
> >> A heating setup, ( resistance wire or similar ), gravity feed and a 
> >> modified inkjet head ( probably an older is better ) and then a feed 
> >> mechanism like an old x-y plotter ( pen ), ie. the card can be feed 
> >> directly from the axis of a stepper motor or similar.
> >>
> >> Come to think of it, to scavange the mechanics from an old printer 
> >> would probably be the best option !
> >>
> >>
> >>  
> >>
> >> <SNIP>
> >>  
> >>
> >
>