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RESONATOR ELEMENT, RESONATOR, ELECTRONIC DEVICE, AND ELECTRONIC APPARATUS

  • US 20110227452A1
  • Filed: 03/14/2011
  • Published: 09/22/2011
  • Est. Priority Date: 03/16/2010
  • Status: Active Grant
First Claim
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1. A resonator element comprising at least one resonating arm that vibrates in a torsional mode,wherein the resonating arm includes a structural portion having a first portion disposed in a first direction in a sectional view in the width direction and a second portion connected to the first portion so that the center of gravity departs from the center of gravity of the first portion in the first direction and a second direction perpendicular to the first direction,wherein the first portion vibrates in a stretch mode in the length direction of the resonating arm with an application of a voltage, andwherein the second portion does not substantially vibrate in the stretch mode in the length direction of the resonating arm with the application of the voltage or vibrates in a stretch mode with a phase different from that of the first portion.

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