Temperature compensated piezoelectric ceramic resonator unit

Details Temperature compensated piezoelectric ceramic resonator unit Temperature compensated piezoelectric ceramic resonator unit

1981-02-10

1983-05-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310358, 310320, H01L 4108

Patent

active

043842291

ABSTRACT:
A thickness mode piezoelectric ceramic resonator is connected in series with a ceramic capacitor to form a piezoelectric ceramic resonator unit. When the ceramic capacitor has a capacitance Ca and the resonator is associated with a damped capacitor having a capacitance Co, these capacitances are related to each other by a relationship,

REFERENCES:
patent: 2157665 (1939-05-01), Hollmann
patent: 2940035 (1960-06-01), Lefkowitz
patent: 3185869 (1965-05-01), Shoor
patent: 3404298 (1968-10-01), Roberts
patent: 3641461 (1972-02-01), Mrozek
patent: 3659123 (1972-04-01), Oya
patent: 3676724 (1972-07-01), Berlincourt et al.
patent: 4100512 (1978-07-01), Valdois
"Useful Formula for Piezoelectric Ceramic Resonators and Their Application to Measurement of Parameters", by M. Onoe et al.
The Journal of the Acoustical Society of America, vol. 41, No. 4, Part 2, 1967, pp. 974-980.

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