Beveled, coupled mode piezo-electric resonator

Details Beveled, coupled mode piezo-electric resonator Beveled, coupled mode piezo-electric resonator

1979-03-27

1981-01-13

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310367, H01L 4108, H01L 4118

Patent

active

042451736

ABSTRACT:
A yzw 35.degree.0' thickness shear crystal bar is provided with bevels cut n its longest narrow surfaces (b, c) proximate the ends in order to obtain energy trapping of the coupled mode vibrations which may arrive at said ends and thus permit shortening of the bar for a given quality factor.

REFERENCES:
patent: 2485722 (1949-10-01), Erwin
patent: 3311854 (1967-03-01), Mason
patent: 3497732 (1970-02-01), Royer
patent: 4035674 (1977-07-01), Oguchi et al.
patent: 4071797 (1978-01-01), Zumsteg et al.

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