Piezoelectric resonator chip and trimming method for adjusting t

Details Piezoelectric resonator chip and trimming method for adjusting t Piezoelectric resonator chip and trimming method for adjusting t

1983-04-19

1984-08-28

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310364, 310365, 310366, H01L 4108

Patent

active

044685823

ABSTRACT:
A piezoelectric resonator chip which includes a piezoelectric chip plate and a pair of electrode patterns which is formed on the opposite surfaces of the piezoelectric chip plate, the electrode patterns face each other through the piezoelectric chip plate. At least one of the electrode patterns has an adjuster pattern which includes a narrow cutting pattern and a separation pattern which is connected to the electrode pattern through the cutting pattern and which faces the other electrode pattern.

REFERENCES:
patent: 4259607 (1981-03-01), Noguchi et al.
patent: 4418299 (1983-11-01), Momosaki
Protective Coatings Against Corrosion in Metal Electrodes, by J. E. Ordones, IBM Technical Disclosure Bulletin, vol. 15, No. 4, Sep. 1972, p. 1088.

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