Vibration element, manufacturing method of vibration element, physical quantity sensor, inertial measurement device, electronic apparatus, and vehicle

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12255619
APP PUB NO 20230387885A1
SERIAL NO

18446074

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A vibration element includes a base and a vibrating arm extending from the base. The vibrating arm includes an arm positioned between the base and a weight. A weight film is disposed on the weight. The weight has a first principal surface and a second principal surface in a front and back relationship with respect to a center plane of the arm. A center of gravity of the weight is located between the first principal surface and the center plane of the arm. A center of gravity of the weight film is located between the second principal surface and the center plane of the arm.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ogura, Seiichiro Minowa, JP 45 273
Oshio, Masahiro Shiojiri, JP 29 153
Yamaguchi, Keiichi Ina, JP 131 865
Yamazaki, Takashi Shiojiri, JP 286 2269

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