Homebrew PCBs

Thank you Steve!

Mike

--- In Homebrew_PCBs@yahoogroups.com, "Steve" <alienrelics@y...> 
wrote:
> --- In Homebrew_PCBs@yahoogroups.com, "mikezcnc" <eemikez@c...> 
wrote:
> > and Cutronics copper foil? A company in England claims good 
results 
> > although not as cheap as TT.  Mike
> 
> BTW, from what I've read in various sign forums, the Stika cutters 
are
> considered kind of low end cutters.
> 
> No reason you can't use another cutter, anything that is rated to 
be
> able to cut sandblast mask should handle Cutronics copper foil.
> 
> I made a couple of PCBs using cut vinyl as resist, using an old
> Graphtec vinyl sign cutter. On the one that is undrilled, I used 
sort
> of a surface mount construction using standard parts with leads
> clipped short.
> 
<http://groups.yahoo.com/group/Homebrew_PCBs/files/Sign_Cutter_to_mak
e_PCBs/>
> 
> I think results could be very useable with the right brand/type of
> vinyl and with CNC predrilled holes. It's very quick to do, on this
> cutter I can do up to about 18 inches wide so that's a lot of 
boards.
> Even on my old, slow cutter it's done pretty quickly and as you can
> see there is very little undercutting. However, the adhesive on the
> vinyl I used was a little stringy and caused some slightly rough 
edges.
> 
> There are brands of vinyl specifically made so the adhesive does 
not
> reseal behind the cutter.
> 
> Steve Greenfield