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Thread: Piezo Kynar - PVDF Film
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picon face BY : l.allenspamBeGone@spam_OUTauckland.ac.nz



>         I am not exactly sure of the correct way to word this
> question, but is it possible to energize parts of the film without
> emergizing the whole piece?  I am thinking of a matrix in which
> one could break the surface in to cells and either generate movement
> or read the position of movement based upon which coordinates were
> being disturbed.
>
> Martin McCormick WB5AGZ  Stillwater, OK
> OSU Center for Computing and Information Services Data Communications Group

The development kit from AMP (back when it was theirs)
suggested applications along those very lines, like
flexible keyboards, baseball pitching targets etc all on the
one sheet.
The biggest hassle would be connecting electrodes to
each cell and I would imagine cross talk might be a
problem.

How are they energized you say.
Being Piezo a movement will generate an AC voltage
across the metalised electrodes either side of the PVDF.
There is no bias voltage like with a capacitive sensor.

_____________________________

Lance Allen
Technical Officer
Uni of Auckland
Psych Dept
New Zealand

http://www.psych.auckland.ac.nz

_____________________________

<200004252339.LAA16227@mailhost.auckland.ac.nz> 7BIT

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