Resonator element, resonator, electronic device, electronic apparatus, and moving object

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United States of America Patent

PATENT NO 9866198
SERIAL NO

14501500

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Abstract

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A resonator element includes a substrate that vibrates in a thickness shear vibration, a first excitation electrode that is provided on one main surface of the substrate and has a shape in which at least three corners of a virtual quadrangle are cut out, and a second excitation electrode that is provided on the other main surface of the substrate, and a ratio (S2/S1) of an area S1 of the virtual quadrangle and an area S2 of the first excitation electrode satisfies a relationship of 69.2%≦(S2/S1)≦80.1%.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamamoto, Yusuke Minowa, JP 147 729

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