Homebrew PCBs

At 1:50 pm ((PDT)) Sun Oct 7, 2007, David Griffith wrote:

>...label sheets...slick backing paper.
>The image is crisp and wipes off with a dry finger.
>Could this be a useful new medium for toner transfer?

Useful, yes: new, no.

Stefan Trethan reported using it for component legends
but had pinhole problems with tracks.

I believe silicone-coated baking parchment has been
used with some success too, as has vellum** tracing
paper, though a quick search of my back email only
found tracing paper used with UV-sensitized boards.

(** Not the vellum quality writing paper but the
hard translucent stuff sold for technical drawing or in
heavier grades for craft work.)

I'm sure a search of our message archive would turn
up lots of related threads and I would certainly try a
heavyweight vellum myself, since I have a craft shop
nearby, but my impression is that TT success is
most often attributed to a photoglossy _inkjet_ paper
and this is because it disintegrates easily in water,
though the detail of the breakdown seems to vary.


Regards, LenW
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