Surface acoustic wave (SAW) resonator

Surface acoustic wave (SAW) resonator

A surface acoustic wave (SAW) resonator device is disclosed. The SAW resonator has a piezoelectric layer disposed over a semiconductor substrate. The piezoelectric layer has a first surface and a second surface. The polarization axis (C-axis) of the piezoelectric layer is oriented at an angle relati...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Gilbert, Stephen Roy, Ruby, Richard C
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Beschreibung
Zusammenfassung:A surface acoustic wave (SAW) resonator device is disclosed. The SAW resonator has a piezoelectric layer disposed over a semiconductor substrate. The piezoelectric layer has a first surface and a second surface. The polarization axis (C-axis) of the piezoelectric layer is oriented at an angle relative to the second surface of the piezoelectric layer in a range of approximately 0° to approximately 45°. A layer is disposed between the first surface of the semiconductor substrate and the second surface of the piezoelectric layer.