Elastic surface wave device

Details Elastic surface wave device Elastic surface wave device

1980-12-16

1982-12-14

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310313R, 333151, H03H 964, H03H 968, H03H 909, H03H 925

Patent

active

043640176

ABSTRACT:
An elastic surface wave device comprises a piezoelectric substrate having an input electrode and an output electrode on the surface, said input and output electrodes being in comb shape and opposing each other; a sound absorbing resin layer formed on at least part of the bottom surface of said piezoelectric substrate; and an adhesive resin layer in contact with said sound absorbing resin layer and said piezoelectric substrate for adhering said piezoelectric substrate to a stem.

REFERENCES:
patent: 4028646 (1977-06-01), Ikushima et al.
patent: 4234859 (1980-11-01), Ikushima et al.

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