Piezoelectric resonance component

Details Piezoelectric resonance component Piezoelectric resonance component

1994-02-03

1995-06-06

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310312, 310333, 310367, H01L 4108

Patent

active

054225329

ABSTRACT:
Disclosed herein is an energy trap type piezo-resonator (11) utilizing a thickness shear vibration mode, which is prepared by forming electrodes (13, 14) on both major surfaces of a piezoelectric substrate (12) and providing dynamic damper parts (17, 18) being held between grooves (15a, 15b; 16a, 16b) for preventing leakage of vibration from a vibrating part opposing the electrodes (13, 14) to each other to end portions of the piezoelectric substrate.

REFERENCES:
patent: 2443471 (1948-06-01), Mason
patent: 3245012 (1966-04-01), Schofer
patent: 3576453 (1971-04-01), Mason
patent: 3676724 (1972-07-01), Berlincourt et al.
patent: 4037180 (1977-07-01), De Wild
patent: 4365181 (1982-12-01), Yamamoto
patent: 5192925 (1993-03-01), Kaida
patent: 5302880 (1994-04-01), Kaida
J. P. Den Hartog, "Mechanical Vibrations", pp. 87-93, Dover Publications, Inc. New York, 1985.
Osamu Taniguchi, "Vibration Technology", pp. 113-116, Corona Publishing Co., Ltd. with English language translation.

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