Acoustic sensor using curved piezoelectric film

Details Acoustic sensor using curved piezoelectric film Acoustic sensor using curved piezoelectric film

2005-08-30

2005-08-30

Kuntz, Curtis (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electrostrictive, magnetostrictive, or piezoelectric

C310S367000

Reexamination Certificate

active

06937736

ABSTRACT:
An acoustic sensor device comprising a substrate having a first surface and a second surface opposite the first surface, and an aperture formed therethrough, the second surface having a curved portion; a layer of piezoelectric film having a first surface disposed on the curved portion of the substrate second surface; and a layer of pliable material disposed on a second surface of the piezoelectric film opposite the first surface for contacting with an object to be sensed.

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