Reinforced piezoelectric transducer and pressure sensor using such a transducer
First Claim
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1. A piezoelectric transducer having a polarized piezoelectric material film, also comprising at least one porous reinforcing material incorporated into the mass of the film and preventing any deformation of the latter in certain given directions.
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Abstract
A piezoelectric transducer including a polarized piezoelectric material film, which also has a reinforcing material incorporated into the mass and which prevents any deformation of the film in certain given directions.
The invention also relates to a pressure sensor using such a transducer.
This sensor can be used both as a pressure sensor and as a pressure gradient measuring device.
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14 Claims
- 1. A piezoelectric transducer having a polarized piezoelectric material film, also comprising at least one porous reinforcing material incorporated into the mass of the film and preventing any deformation of the latter in certain given directions.
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