Surface-acoustic-wave device

Details Surface-acoustic-wave device Surface-acoustic-wave device

1988-05-19

1989-11-07

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313B, 310313D, 333154, 333193, H01L 4108

Patent

active

048794872

ABSTRACT:
A surface-acoustic-wave device includes a glassy layer provided on a piezoelectric layer and having periodic grooves (gratings) so as to be used as a reflector exhibiting an excellent reflection ratio.

REFERENCES:
patent: 4005376 (1977-01-01), Davis
patent: 4449107 (1984-05-01), Asai et al.
patent: 4480209 (1984-10-01), Okamoto et al.
patent: 4567393 (1986-01-01), Asai et al.

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