Patent ID: 9059393
Filing Date: 2015-06-16
Classification: H01L,H03B,H03H,Y10T

Abstract:
1. A vibrator element comprising: a base; a vibrating arm that is extended from the base, that has a first surface and a second surface opposite to the first surface, and that performs flexural vibration in a direction normal to the first and second surfaces; and a laminated structure that is provided on at least one of the first and second surfaces of the vibrating arm and that includes at least a first metal layer, a second metal layer, and a piezoelectric layer disposed between the first and second metal layers, wherein the base is positioned adjacent the second surface, the base has a protrusion that is projected from the second surface in a thickness direction of the vibrating arm, and the vibrating arm is warped toward an edge of the protrusion when the vibrating arm is not undergoing flexural vibration.