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PICList Thread
'[ee OT]Kynar motion'
1999\08\05@173646 by Anne Ogborn

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face
> one wall of the bag could be Kynar (Piezo Co-Polymer)plastic that
> will bend when energized (very low power) this will eject the fluid
> into the main body of reacting fluid, a chemical process will take
> place and the internal temp is monitored until another "dose" is
> needed.
> The other unopened bags could even act as a stirring source since
> their respective piezo linings could act together in a synergesis of
> stirring.
> I have experimented with Kynar... it will do this.

How about some details of where to get Kynar film, how to
attach electrodes, etc. to demonstrate this effect?
This sounds like a way cool thing to know about.

Oh, and as for my subject line - I've labelled it [ee OT] since it
seems we have 3 catagories of subject - 1. Stuff directly related to PIC,
2. Stuff related to robots, electrical gizmos, robots, and other stuff
a PIC'ish person might be interested in, 3. general 'commmunity' discussion
(the how many pics to save JFK thing)  I'm experimenting with labelling
catagory 2 topics [ee OT] since 'electrical engineering' seems as
close to describing it as anything.

--
Anniepoo
Need loco motors?
http://www.idiom.com/~anniepoo/depot/motors.html

1999\08\05@180134 by l.allen

picon face
> How about some details of where to get Kynar film, how to
> attach electrodes, etc. to demonstrate this effect?
> This sounds like a way cool thing to know about.
>

Kynar is available from AMP Inc (the big connector makers)
The only address I have here is Valley Forge P.A.
Kynar is a Piezo Film that can be used for hydrophones (my main use),
speakers (above 2kHz), contact microphones, pyro sensing (.. very
good IR detectors) and very high reliability/cycle life switches
(dynamic only though, not absolute).. Gottlieb use it in Pinball
Machines now.
Electodes are vapour deposited on the material so can either be
inserted in a pressure contact or a type of rivet attached to it.
The AMP Basic Design Kit for Piezo Film Sensors is a great start,
with many samples, applications etc.
Quite a range of off the shelf sensors/transducers in various form
factors are available from AMP.

I should be on their sales team.

Oiii... where's my commission.


_____________________________

Lance Allen
Technical Officer
Uni of Auckland
Psych Dept
New Zealand
_____________________________

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