Patent ID: 6741012
Filing Date: 2004-05-25
Classification: G11B,H01L

Abstract:
A piezoelectric actuator, comprising:a movable member to which a head suspension is fixed; a fixed member being fixed to a carriage arm; a plurality of piezoelectric elements being provided between said movable member and said fixed member, said piezoelectric elements being capable of adjusting a position of the head suspension by their deformation; and an electrode member being provided to a part of said fixed member on which said piezoelectric elements are provided, said electrode member having an electric conductive layer, which is electrically insulated from said fixed member and electrically connected to one of electrodes of each of said piezoelectric elements, wherein said movable member is adhered on said piezoelectric elements and electrically insulated from the other electrodes of said piezoelectric elements, and the electric conductive layer of said electrode member and the other electrode of each of said piezoelectric elements are electrically connected to cables, which are provided to the head suspension so as to actuate said piezoelectric elements.