Absorber for piezoelectric surface acoustic wave device

Details Absorber for piezoelectric surface acoustic wave device Absorber for piezoelectric surface acoustic wave device

1980-04-16

1982-10-12

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313B, 310326, 333151, H01L 4108

Patent

active

043541291

ABSTRACT:
A surface acoustic wave device includes a piezoelectric substrate, transmitting and receiving transducers provided on the surface of the substrate for propagating acoustic waves between the transducers, and absorbers provided between an end of the substrate and respective transducers for absorbing unwanted acoustic waves. The shape of the absorber is in relation to the energy distribution of the acoustic waves.

REFERENCES:
patent: 4013834 (1977-03-01), Kino
patent: 4090153 (1978-05-01), Toda et al.
patent: 4096455 (1978-06-01), Drummond
patent: 4139791 (1979-02-01), Yamada

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