Surface acoustic wave (SAW) device, module and oscillator for improving a Q factor

[Problem] In a SAW device using a quartz crystal substrate, prevent the deterioration of Q factor due to the difference in the peak frequency between the radiation conductance of an IDT and the reflection coefficient of a reflector. [Means to Solve the Problem] A surface acoustic wave (SAW) device i...

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Bibliographische Detailangaben
Hauptverfasser:	OWAKI TAKUYA, MORITA TAKAO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	[Problem] In a SAW device using a quartz crystal substrate, prevent the deterioration of Q factor due to the difference in the peak frequency between the radiation conductance of an IDT and the reflection coefficient of a reflector. [Means to Solve the Problem] A surface acoustic wave (SAW) device includes a piezoelectric substrate made of a quartz crystal flat plate where a cut angle of a rotated Y-cut quartz substrate is set in −64.0°<