Method of making a single phase unidirectional surface acoustic

Details Method of making a single phase unidirectional surface acoustic Method of making a single phase unidirectional surface acoustic

1984-12-03

1990-03-27

Hall, Carl E.

Metal working

Piezoelectric device making

310313B, H01L 4122

Patent

active

049108395

ABSTRACT:
A single-phase unidirectional surface acoustic wave transducer comprising a piezoelectric substrate and a transducer having localized symmetry and constructed for establishing a predetermined separation between the centers of acoustic wave reflection and transduction on said substrate by selectively orienting the transducer on a specific cut of said substrate to achieve a separation between said centers in a continuum of achievable phase angles of 0.degree.-360 .degree..

REFERENCES:
patent: 4353046 (1982-10-01), Hartmann

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