It looks like the device to apply the wax in Ukrainian eggs is called
a Kistka. Doing a search for that name in google images shows a few
examples. The electric kistkas look alot like a soldering iron
modified to hold the cup. It does look very much like what Zoran had
built.
--- In Homebrew_PCBs@yahoogroups.com, Mycroft2152 <mycroft2152@...> wrote:
>
> It's interesting that Zoran published his plans this
> time of year. The use of paraffin as a resist has a
> long history in decorating Easter Eggs. Google Ukraine
> Easter Eggs for some incredible desings.
>
> Paraffin is also used on fabrics for 'Batik' designs.
>
> I was surprised to see no dots visible in the enlarged
> traces, and some of the right angles were very sharp,
> may be too sharp.
>
> I would also like to know how long it takes to plot a
> board. The fine diameter of the needle neededto ge the
> resoltuion shouwed, would indicate many many passes to
> make a wide line. Yet the lines seem to be completely
> filled.
>
> Overall its an interesting application, but very
> similar to using a "sharpie" marker to draw out the
> pattern.
>
> TANSTAAFL!
>
> Myc
>
>
> --- javaguy11111 <javaguy11111@...> wrote:
>
> > This was not explicitly explained on the website,
> > but this is how I
> > interpreted it.
> > It looks like a small copper cup with a small heater
> > using an smd
> > resistor. Paraffin wax is melted inside the cup. A
> > small hollow needle
> > is attached to the cup. The needle is tapped against
> > the board which
> > draws out some melted paraffin which solidifies.
> > This process is
> > repeated about 200 times per second while moving the
> > needle.
> > It sort of made me think of something like a tatoo
> > making process.
> >
> >
> > --- In Homebrew_PCBs@yahoogroups.com, roger lucas
> > <ralucas4277@> wrote:
> > >
> > > Zoran,
> > >
> > > Sounds a great idea, but unfortunately the site
> > always
> > > seems to be unaccessable. Could you post some
> > details
> > > on this forum so we can understand the details.
> > >
> > > TIA
> > >
> > > Roger
> > >
> > >
> > > --- zoran_vasiljevic2000 <v.zoran@> wrote:
> > >
> > >
> > > ---------------------------------
> > > Zoran's plotter is similar to a regular X/Y
> > plotter,
> > > except that it
> > > does not
> > > use ink, it uses melted paraffin (wax), for
> > drawing
> > > on PCB laminate, and
> > > for making PCB. After drawing, it is developed in
> > > Ferric Chloride,
> > > according to the well known process.
> > >
> > > For more, open the link:
> > >
> > >
> >
> http://ca.geocities.com/zoran_vasiljevic2000/index.html
> > >
> > > Thanks,
> > > Zoran
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Be sure to visit the group home and check for new
> > > Links, Files, and Photos:
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> > >
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> > post
> > > them here:
> > >
> >
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