Elastic surface wave device

Details Elastic surface wave device Elastic surface wave device

1977-11-09

1979-07-31

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

252 629, 333195, H03H 926, H03H 932, H01L 4118

Patent

active

041632010

ABSTRACT:
An elastic surface wave device comprises an X-cut LiTaO.sub.3 substrate whose thickness satisfies the expression ##STR1## WHERE N: 1, 3, 5 . . . (ODD NUMBER)

REFERENCES:
patent: 3818382 (1974-06-01), Holland et al.
patent: 4001767 (1977-01-01), Slobodnik, Jr.
Warner et al., --"Determination of Elastic and Piezoelectric Constants for Crystals in Class (3M)", in the Journal of the Acoustical Society of America, vol. 42, No. 6, 1967, pp. 1223-1231.

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