Elastic surface wave device

Details Elastic surface wave device Elastic surface wave device

1976-03-04

1977-07-26

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

310 95, 310 98, 333 30R, H03H 904, H03H 926, H03H 932, H01L 4118

Patent

active

040386155

ABSTRACT:
An elastic surface wave device comprises a substrate of dielectric material, a thin layer of piezoelectric material, a plurality of electrodes and a thin layer of dielectric material. The piezoelectric layer is spaced from the electrodes with the thin dielectric layer formed therebetween and is so arranged as to facilitate the employment of a known photo-etching method to form the electrodes.

REFERENCES:
patent: 3464033 (1969-08-01), Tournois
patent: 3665225 (1972-05-01), VAN DER Heuvel et al.
patent: 3689784 (1972-09-01), De Klerk
patent: 3760299 (1973-09-01), Vasile
patent: 3786373 (1974-01-01), Schulz et al.
patent: 3965444 (1976-06-01), Willingham et al.

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