Re: gEDA-user: free technology printer

[Florian Steiper <florian.steiper@seco-lissberg.de>]

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>
> >