Resonator utilizing width expansion mode

Details Resonator utilizing width expansion mode Resonator utilizing width expansion mode

1994-04-13

1996-07-30

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310348, 310326, 310346, H01L 4108

Patent

active

055414699

ABSTRACT:
A piezoelectric resonator (21) utilizing a width expansion mode, which is formed by coupling support parts (26, 27) to nodal points of a piezoelectric resonance part (22) utilizing a width expansion mode including a rectangular piezoelectric ceramic plate (23) and electrodes (24, 25) formed on both surfaces thereof, and coupling dynamic dampers (28, 29) on other ends of the support parts (26, 27) respectively.

REFERENCES:
patent: 3411023 (1968-11-01), Quate et al.
patent: 4350918 (1982-09-01), Sato
patent: 4900971 (1990-02-01), Kawashima
patent: 5001383 (1991-03-01), Kawashima
patent: 5059853 (1991-10-01), Kawashima
patent: 5107164 (1992-04-01), Kimura
patent: 5442251 (1995-08-01), Kaida et al.
"Vibration Engineering" by Osamu Taniguchi, pp. 112-116, 1957, and English translation thereof.

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