PIEZOELECTRIC THIN FILM RESONATOR, FILTER, AND DUPLEXER

A piezoelectric thin film resonator includes: a substrate; a piezoelectric film located on the substrate and having a Poisson's ratio of 0.33 or less; a lower electrode and an upper electrode facing each other across the piezoelectric film; and an insertion film that is located in the piezoelec...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YOKOYAMA Tsuyoshi
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS
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