Piezoelectric transducer with polymer element and method of...

Details Piezoelectric transducer with polymer element and method of... Piezoelectric transducer with polymer element and method of...

H - Electricity

04

R

356/200

H04R 17/00 (2006.01) H01L 41/08 (2006.01) H01L 41/193 (2006.01) H04R 31/00 (2006.01)

Patent

CA 1148276

PIEZOELECTRIC TRANSDUCER WITH POLYMER ELEMENT AND METHOD OF FABRICATION OF SAID TRANSDUCER Abstract of the Disclosure A piezoelectric transducer has at least one active element consisting of a film of polymer material. Electrodes which constitute a capacitor are formed on the two principal faces of the film after polarization of this latter. The film is endowed with piezoelectric properties under the sole action of an electric field oriented along the normal to its principal faces and without any need for preliminary stretching. The anisotropy induced as a result of this orientation is solely electrical.

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