Hi Mark,

> >>Hmm.  Must've gotten the name wrong (so much for name recognition.)
> >>
> >>The stuff is a metalized  polymer film with signficant piezoelectric
> >>and pyroelectric properties.   They're at Wescon all the time trying
> >
> >Might be the same folks, you never know.  The only Kynar I know of is
> >wire-wrapping wire.
> >
> No, you _both_ are right. Kynar (TM I think) is polyvinyldene flouride. It
> is used as an insulator on our beloved wirewrap (another TM) wire. If it is
> stretched while subjected to a strong electric field, it ends up with both
> piezoelectric and pyroelectric properties.

Does that explain the unpredictable results one gets if wrapping a
prototype with power applied :-)

Cheers
--
Kalle Pihlajasaari   kalle@ip.co.za   http://www.ip.co.za/ip
Interface Products   P O Box 15775, DOORNFONTEIN, 2028, South Africa
+ 27 (11) 402-7750   Fax: 402-7751    http://www.ip.co.za/people/kalle

DonTronics, Silicon Studio and Wirz Electronics uP Product Dealer