Patent ID: 9319022
Filing Date: 2016-04-19
CPC Classification: H03H

Claim Text:
1. A resonator element comprising: a base section; a pair of vibrating arms projecting from the base section on a same side, and arranged with a distance in a direction intersecting with a direction of the projection in a plan view; and a support arm disposed between the pair of vibrating arms, and projecting from the base section on the same side as the pair of vibrating arms, wherein the base section includes a first shrunk-width portion disposed on an opposite side to the side on which the support arm projects taking a center of the base section as a boundary, and having a width in the intersecting direction gradually decreasing with a distance from the support arm in a plan view, and wherein a maximum value of a width of the first shrunk-width portion in the intersecting direction is larger than an amount of the distance.