Patent ID: 8756994

Claim:
A vibrating gyro device comprising: a piezoelectric substance including a frame-shaped region, an inner opening portion through which an inner side surface of the frame-shaped region is exposed, and an outer opening portion through which an outer side surface of the frame-shaped region is exposed, the inner opening portion and the outer opening portion being provided in a main surface of the piezoelectric substance; a pair of main surface electrodes electromechanically coupled with displacement of the frame-shaped region in a direction perpendicular or substantially perpendicular to the main surface of the piezoelectric substance and with displacement of the frame-shaped region in a direction parallel or substantially parallel to the main surface of the piezoelectric substance and being bonded to front and back main surfaces of the frame-shaped region; and a supporting body arranged to prevent other members of the vibrating gyro device from interfering with the frame-shaped region, to provide a vibration space for the frame-shaped region through which the inner opening portion and the outer opening portion are connected, and to support the piezoelectric substance; wherein the piezoelectric substance includes an inner region that is arranged inside of the frame-shaped region; the inner region is supported by the supporting body and the inner region supports the frame-shaped region; and the frame-shaped region and the inner region are defined by portions of a same piezoelectric layer arranged on a same plane on an upper surface of the supporting body.