Homebrew PCBs

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?

ST