TEMPERATURE COMPENSATED BULK ACOUSTIC WAVE DEVICE

Abstract: a bulk acoustic wave device is disclosed. the bulk acoustic wave device can include a first electrode, a second electrode including a first layer and a second layer, a piezoelectric layer between the first and second electrodes, and a temperature compensation layer between the first and second layers of the second electrode.

Inventor(s): Ahmed E. Hassanien, Kwang Jae Shin

CPC Classification: H03H9/02102 (IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (measuring, testing ; arrangements for producing a reverberation or echo sound ; impedance networks or resonators consisting of distributed impedances, e.g. of the waveguide type, ; control of amplification, e.g. bandwidth control of amplifiers, ; tuning resonant circuits, e.g. tuning coupled resonant circuits, ; networks for modifying the frequency characteristics of communication systems ))

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