Patent ID: 8580334
Filing Date: 2013-11-12
Classification: G11B,H01L,Y10T

Abstract:
1. A method of forming an electrode of a piezoelectric element, the piezoelectric element having a pair of electrode forming faces and being used to constitute a piezoelectric actuator in which one of the electrode forming faces of the piezoelectric element includes opposite ends that face and are supported by respective supports protruding inside an opening of an actuator base, the supports having distal ends that oppose each other by a distance in a protruding direction, the piezoelectric actuator arranged on an object to minutely move a movable part of the object relative to a base part of the object according to deformation occurring on the piezoelectric element in response to a power applied state of the piezoelectric element, the method comprising: forming an electrode on said one of the electrode forming faces; and forming a non-electrode part in a region of each one of the opposite ends on said one of the electrode forming faces to be put to face a corresponding one of the supports by inwardly offsetting an edge of the electrode that extends along the distal end of the corresponding one of the supports toward the other of the opposite ends with respect to an edge of the piezoelectric element in the same region, the non-electrode part defined out of the edge of the electrode to be put to face the corresponding one of the supports together with the edge of the electrode.