Elastic convolver

Details Elastic convolver Elastic convolver

1994-03-01

1995-08-22

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313A, 333194, 364821, H01L 4108

Patent

active

054443229

ABSTRACT:
An elastic convolver 11 constructed by forming a set of input idts 13 spaced apart from each other by a predetermined distance on an LiNbO.sub.3 piezoelectric substrate, forming a waveguide path 14 in the center of an area between the IDTs 13, respectively forming multistrip couplers 15 between the waveguide path 14 and tile IDTs 13, and forming ZnO piezoelectric thin films 16 so as to cover at least the IDTs 13 and so as not to cover the guide path 14.

REFERENCES:
patent: 3965444 (1976-06-01), Willingham et al.
patent: 4484098 (1984-11-01), Cullen et al.
patent: 4511866 (1985-04-01), Milsome
patent: 4567453 (1986-01-01), Schofield
patent: 4571519 (1986-02-01), Kawabata et al.
patent: 4604594 (1986-08-01), Angerer et al.
patent: 4617487 (1986-10-01), Sone et al.
patent: 4666822 (1987-05-01), Sinha

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