Patent ID: 6396665
Filing Date: 2002-05-28
Classification: G11B,H05K

Abstract:
A head suspension assembly used in a magnetic disk drive comprising:a plate-like suspension having one end on which a magnetic head is mounted and the other end fixed to an arm; and a relay printed circuit board mounted on the suspension and the arm, and having one end portion connected to the magnetic head, and a connecting end portion extending to the arm; the relay printed circuit board including a base layer, a conductor pattern formed on the base layer, a cover layer covering the conductor pattern, and a plurality of openings formed in the connecting end portion, each of the openings being defined by a through-hole penetrating the base layer and the cover layer of the relay printed circuit board, and opened to outer surfaces of the base layer and the cover layer, the conductor pattern having a plurality of movable electrode pads protruding into respective openings in a direction substantially in parallel to the base layer and the cover layer, each of the electrode pads closing a part of the opening corresponding to the electrode pad.