Saw transducer with improved bus-bar design

Details Saw transducer with improved bus-bar design Saw transducer with improved bus-bar design

1989-09-25

1991-03-12

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313R, 310312, 310326, 333151, H01L 4108

Patent

active

049995359

ABSTRACT:
A surface acoustic wave (SAW) transducer comprises a piezoelectric substr, a pair of metal bus bars positioned on the substrate parallel to and separated from each other a preselected distance and a plurality of interdigital electrode fingers extending from each of the metal bus bars. A plurality of slots are positioned along each metal bus bar so that the bus bar metallization is reduced and the acoustic wave velocity is increased in the metal bus bar region.

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