Surface acoustic wave device having negative temperature coeffic

Details Surface acoustic wave device having negative temperature coeffic Surface acoustic wave device having negative temperature coeffic

1996-08-30

1998-02-17

Pascal, Robert

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310313A, 310313B, H03H 964

Patent

active

057195382

ABSTRACT:
A surface acoustic wave device using a quartz substrate has a larger electromechanical coupling coefficient than conventional devices. The SAW device is constructed by forming a thin ZnO film on a quartz substrate and disposing comb-like electrodes on the ZnO film.

REFERENCES:
patent: 4511816 (1985-04-01), Mikoshiba et al.
patent: 4516049 (1985-05-01), Mikoshiba et al.
patent: 4752709 (1988-06-01), Fujishima et al.
patent: 4879487 (1989-11-01), Sugai et al.
patent: 5334960 (1994-08-01), Penunnuri
patent: 5401544 (1995-03-01), Nakahata et al.
patent: 5521454 (1996-05-01), Hattori et al.
"Control of Second-Order Temperature Coefficients of Delay Time for SAW Propagating in Thin-Film Layers", Electronics and Communications in Japan, Part 3, vol. 77, No. 4, 1994.
European Search Report for co-pending European Patent Application No. EP-96 11 3941 corresponding to U.S. Patent Application No. 08/697,822.

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