Piezoelectric resonator with an efficient all-dielectric...

Details Piezoelectric resonator with an efficient all-dielectric... Piezoelectric resonator with an efficient all-dielectric...

2006-06-09

2008-12-09

Chang, Daniel D (Department: 2819)

Wave transmission lines and networks

Coupling networks

Electromechanical filter

C310S335000

Reexamination Certificate

active

07463118

ABSTRACT:
A piezoelectric resonator with an acoustic Bragg reflector that includes alternating layers of high and low acoustic impedance materials. The high and low acoustic impedance dielectric materials make up electrically insulating layers.

REFERENCES:
patent: 6841922 (2005-01-01), Aigner et al.
Naik et al., “IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 47, No. 1”, “Measurements of the Bulk, C-Axis Electromechanical Coupling Constant as a Function of AIN Film Quality”, Jan. 2000, pp. 292-296.

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