Surface acoustic wave device

Details Surface acoustic wave device Surface acoustic wave device

1985-11-07

1987-03-03

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310313R, 333151, 333153, H01P 925, H01P 9145

Patent

active

046478817

ABSTRACT:
A surface acoustic wave device includes a plurality of surface acoustic wave elements provided on a piezoelectric substrate. The device further includes a metal electrode provided on the piezoelectric substrate between and around the respective elements, and a bias voltage is supplied to the metal electrode to cause local attenuation.

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