CRYSTAL RESONATOR

CRYSTAL RESONATOR

A crystal resonator includes a mesa-type crystal element, a pair of excitation electrodes, and a deformed portion. The mesa-type crystal element has a principal surface portion and a peripheral edge portion. The peripheral edge portion surrounds the principal surface portion and has a smaller thickn...

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Hauptverfasser: MUTOH TAKERU, ISHIKAWA MANABU, KOYAMA MITSUAKI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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creator MUTOH TAKERU
ISHIKAWA MANABU
KOYAMA MITSUAKI
description A crystal resonator includes a mesa-type crystal element, a pair of excitation electrodes, and a deformed portion. The mesa-type crystal element has a principal surface portion and a peripheral edge portion. The peripheral edge portion surrounds the principal surface portion and has a smaller thickness than the principal surface portion. The pair of excitation electrodes are formed at the principal surface portion on one surface side and the principal surface portion on an other surface side of the crystal element, respectively. The deformed portion is configured to reduce a vibration different from a main vibration and confine energy to the principal surface portion.
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
title CRYSTAL RESONATOR
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