Resonator element, resonator, electronic device and electronic apparatus

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United States of America Patent

PATENT NO 9496480
APP PUB NO 20130249353A1
SERIAL NO

13845236

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Abstract

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When a size from a main surface of an outer edge to a step of a first stage of a vibration section is Md1, a size from the step of the first stage to a step of a second stage is Md2, a density of materials of the substrate is dA, a density of materials of the excitation electrode is dB, and a thickness of the excitation electrode on a main surface of a mesa of the second stage is tB, a relationship of ((Md2+(dB/dA)×tB))/Md1≦1.4 is satisfied.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endo, Hideo Kamiina, JP 7 77
Il, Toshihiro Kamiina-gun, JP 10 42
Naito, Matsutaro Kamiina-gun, JP 22 242

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