Patent ID: 6445548
Filing Date: 2002-09-03
Classification: G11B

Abstract:
A disk apparatus comprising:a rotatable actuator allowing, at its one end, a head to be loaded to record or reproduce information to or from a disk medium and, at its other end, a coil; a pair of permanent magnets arranged opposed to said coil; and a latch magnet mounted to said actuator and located on a circumference passing through the magnetic field of said permanent magnets with a rotating shaft of said actuator defined as a center, said latch magnet creating a magnetic field that is cancelled by opposite magnetic fields of said permanent magnets when said head is in a first position of the disk surface, said latch magnet magnetic field and said permanent magnet magnetic fields placing a rotational force so as to move the head toward the inner direction of the disk surface on said actuator when said head is in a second position of the disk surface defined in the inner area from said first position.