--- In
Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@...> wrote:
>
> On Thu, 15 Mar 2007 01:42:05 +0100, docstein99 <docstein99@...>
> wrote:
>
> >
> > But the thermal ribbon material is really interesting! Its a thin
> > plastic clear ribbon coated with black wax, or wax/resin, or resin
> > (depending on how much $$$). Once an image is printed, say to paper -
> > it leaves an image on the ribbon for the parts that didnt print. I
> > printed a circuit-board in reverse, and was left with a positive image
> > on the ribbon. With the correct amount of heat and pressure it is
> > possible to seal directly to the copper - much like a toner transfer
> > method.
>
>
> But isn't it kinda narrow, the ribbon?
> How small would the PCBs need to be?
How narrow is an inkjet print head? Think about it...
The Alps ribbon is about 12 to 15mm wide. Prints 8.5x14 page.
Steve Greenfield