Electromechanical resonance device and its application to filter

Details Electromechanical resonance device and its application to filter Electromechanical resonance device and its application to filter

1975-07-15

1976-07-06

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

310 95, 310 98, H03H 926, H03H 932, H01L 4118, H10L 4108

Patent

active

039684628

ABSTRACT:
The present invention relates to electromechanical resonance devices comprising a piezo-electric crystalline plate and electrodes arranged opposite one another upon the principal faces of said plate. In accordance with the invention, the piezo-electric wafer is cut from a lithium niobate crystal, in accordance with the Y + 37.degree. cut.

REFERENCES:
patent: 3591813 (1971-07-01), Coquin et al.

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