Surface acoustic wave resonator having transducers and reflector

Details Surface acoustic wave resonator having transducers and reflector Surface acoustic wave resonator having transducers and reflector

1986-04-28

1989-06-06

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313D, 310312, 333153, 333195, H01L 4108

Patent

active

048374768

ABSTRACT:
A surface acoustic wave resonator comprising at least two interdigital electro-acoustic transducers found between two sets of reflective gratings on a crystalline substrate. The period of the electrodes of the transducers is selected to be less than the period of the reflective gratings.

REFERENCES:
patent: 3883831 (1975-05-01), Williamson et al.
patent: 3886504 (1975-05-01), Hartmann et al.
patent: 4065735 (1977-12-01), Palfreeman et al.
patent: 4155057 (1979-05-01), Sandy et al.
patent: 4243960 (1981-01-01), White
patent: 4425554 (1984-01-01), Morishita et al.
patent: 4427956 (1984-01-01), Murray et al.
patent: 4472652 (1984-09-01), Brice et al.
patent: 4617487 (1986-10-01), Sone et al.
patent: 4635009 (1987-01-01), Ebata

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