ELASTIC WAVE DEVICE, SPLITTER, AND COMMUNICATION APPARATUS

ELASTIC WAVE DEVICE, SPLITTER, AND COMMUNICATION APPARATUS

An elastic wave device includes a substrate, a multilayer film located on the substrate, a piezoelectric layer located on the multilayer film, and an IDT electrode located on the piezoelectric layer. The IDT electrode includes electrode fingers each having a large width from a portion connected to a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: NOZOE, Soichiro
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Beschreibung
Zusammenfassung:An elastic wave device includes a substrate, a multilayer film located on the substrate, a piezoelectric layer located on the multilayer film, and an IDT electrode located on the piezoelectric layer. The IDT electrode includes electrode fingers each having a large width from a portion connected to a busbar to a position overlapping tip ends of the other electrode fingers when viewed in an arrangement direction of the electrode fingers.