Surface acoustic wave transducer fabrication to reduce...

Details Surface acoustic wave transducer fabrication to reduce... Surface acoustic wave transducer fabrication to reduce...

H - Electricity

04

R

356/197, 333/79,

H04R 1/34 (2006.01) H03H 9/02 (2006.01)

Patent

CA 1118883

ABSTRACT OF THE DISCLOSURE A surface acoustic wave device having one or more reflectionless interdigital transducers. Each transducer is fabricated as interdigital metal stripes which fill grooves within the surface upon which the surface waves propagate. The metal of the transducer and the material of the substrate are chosen to have substantially similar elastic properties thereby eliminating reflective mechanisms. Aluminum and quartz are preferred materials for the metal stripes and substrate.

301799

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