Resonance Structure of Bulk Acoustic Wave Resonator

A resonance structure of bulk acoustic wave resonator comprises a bottom electrode, a dielectric layer and a top electrode, wherein the dielectric layer is formed on the bottom electrode; the top electrode is formed on the dielectric layer. A resonance area is defined by the overlapping area of the...

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Bibliographische Detailangaben
Hauptverfasser:	CHIN Yung-Chung, LIN Re Ching, CHANG Chia-Ta, CHIANG Chih-Feng
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS
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Beschreibung
Zusammenfassung:	A resonance structure of bulk acoustic wave resonator comprises a bottom electrode, a dielectric layer and a top electrode, wherein the dielectric layer is formed on the bottom electrode; the top electrode is formed on the dielectric layer. A resonance area is defined by the overlapping area of the projection of the bottom electrode, the dielectric layer and the top electrode. The resonance area has a contour. The contour includes at least three curved edges and is formed by connecting the at least three curved edges. Each curved edge is concave to a geometric center of the contour.