Controlled gap surface acoustic wave device

Details Controlled gap surface acoustic wave device Controlled gap surface acoustic wave device

1976-07-06

1977-11-15

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

364821, H01L 4104

Patent

active

040587452

ABSTRACT:
A surface acoustic wave device for use as an amplifier or convolver, or the like, and incorporating a plurality of parallel, spaced rails disposed between and separating a semiconductor slab and a surface acoustic wave propagating planar surface of a piezoelectric substrate a relatively small but finite distance apart, the rails having longitudinal axes aligned with the propagation beam path by and between a pair of spaced electro-acoustic transducers disposed on the substrate.

REFERENCES:
patent: 3906409 (1975-09-01), Whitehouse
patent: 3917401 (1975-11-01), Stolwyk
patent: 3944732 (1976-03-01), Kino
Acoustic Surface Waves, by Kino & Shaw, Scientific American, vol. 227, No. 4, Oct. 1972, pp. 51-68.

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