OBJECTIVE LENS DRIVING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an objective lens driving device wherein the inclination of an objective lens is small. SOLUTION: In the objective lens driving device for supporting a movable part including a focusing coil 3 and a tracking coil 4 attached to a lens holder 2 for holding an objective lens 1 to be able to operate in focusing and tracking directions with respect to a fixed part, permanent magnets 11a and 11b are arranged at both ends of the movable part on one side of the movable part parallel to the tracking direction, and a permanent magnet 11c is arranged near the center of the movable part on the other side of the movable part parallel to the tracking direction. COPYRIGHT: (C)2004,JPO