BULK ACOUSTIC WAVE RESONATOR WITH BRAGG GRATING EMBEDDED IN ELECTRODE

Abstract: aspects and embodiments disclosed herein include a bulk acoustic wave resonator comprising a layer of piezoelectric material and one of a top electrode disposed on top of the layer of piezoelectric material or a bottom electrode disposed on a bottom of the layer of piezoelectric material, the one of the top electrode or the bottom electrode including a bragg pair having alternating layers of a first metal and a second metal.

Inventor(s): Benjamin Paul Abbott, Alexandre Augusto Shirakawa, David Albert Feld, Stefan Bader, Kwang Jae Shin

CPC Classification: H03H9/175 (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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