Check also "Unidym" for CNT-inks. Probably out of our reach for now...
And here's some "state-of-the-art" in "printable electronics" from Japan:
[
techon.nikkeibp.co.jp]
(E.g. "a nonvolatile RAM with a capacity of 1,024 bits.")
Actually, the scale of the conducive strands look quite large. Maybe
on the purpose, for the fair demo?
PS. Although I'm not affiliated in any way with Nikkei BP,
I want to advertise their site at [
techon.nikkeibp.co.jp]
as it often contains a lots of very interesting stuff invented
in Japan. And the articles have been translated surprisingly
well into English.