Patent ID: 6515947
Filing Date: 2003-02-04
Classification: G11B

Abstract:
An optical disk drive, comprising:a light source unit that emits a collimated light beam; a carriage mounting an objective lens for converging the collimated light beam on a recording surface of an optical disc, said carriage being movable in a direction traversing data tracks of said optical disc; a lens actuator mounted on said carriage, said lens actuator having a movable unit, said movable unit being capable of moving said objective lens in first and second directions, independently, said first direction being a direction of an optical axis of said objective lens, said second direction being a direction on a plane parallel to the data recording surface of said optical disc; and a magnetic head mounted on said movable unit of said lens actuator, said magnetic head being capable of applying a magnetic field to said data recording surface of said optical disc when data is to be recorded on said optical disc.