Patent Number: 7,732,980

Title: Electromechanical conversion element, vibration actuator, vibration actuator driving device, lens barrel and camera

Abstract: To provide an electromechanical conversion element, a vibration actuator, a vibration actuator driving device, a lens barrel and a camera, which facilitate the achievement of the desired drive characteristics. An electromechanical conversion element comprising: a piezoelectric body having a polarization part polarized in a certain direction; and a plurality of separately formed electrodes on a continuous region of the polarization part.

Inventors: Morioke; Toshikazu (Kawasaki, JP)

Assignee: Nikon Corporation

International Classification: H02N 2/00 (20060101); H01L 41/047 (20060101)

Expiration Date: 2022-06-08 0:00:00