Acoustic resonator device

Details Acoustic resonator device Acoustic resonator device

2004-12-10

2009-06-23

SanMartin, Jaydi (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S324000

Reexamination Certificate

active

07550900

ABSTRACT:
Acoustic resonator device (1) includes an active element (6) and a support provided with a membrane (5). The active element (6) is provided with at least one piezoelectric layer (10) and is surmounted by a multilayer stack (12). The multilayer stack (12) is provided with at least three layers, including at least one layer (15) of high acoustic impedance and at least one layer (13) of low acoustic impedance. An integrated circuit including at least one such acoustic resonator device is also disclosed.

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French Preliminary Search Report dated Jul. 15, 2004 for French Application No. 0314567.

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