Patent ID: 9252350
Filing Date: 2016-02-02
CPC Classification: G01L,H01L,H03H

Claim Text:
1. An oscillation piece comprising: a first oscillation arm and a second oscillation arm each of which is provided with a plurality of drive electrodes; a first base that connects ends of the first oscillation arm and the second oscillation arm on one side to each other and a second base that connects ends of the first oscillation arm and the second oscillation arm on the other side to each other; and a plurality of weight films provided on each of the first oscillation arm and the second oscillation arm, wherein the plurality of drive electrodes are provided on end areas of the first and second oscillation arms directly adjacent to the first and second bases and center areas of the first and second oscillation arms between the first and second bases, and the plurality of weight films are provided on intermediate areas of the first and second oscillation arms between the plurality of drive electrodes.