Patent ID: 7375928

Claim:
An actuator latch apparatus locking an actuator, the actuator including a swing arm, a VCM coil coupled to one end of the swing arm, a magnet disposed facing the VCM coil, and a yoke supporting the magnet, the actuator latch apparatus comprising: a swing arm protrusion disposed on the swing arm; an attracting part, protruding from the yoke, for attracting the swing arm protrusion by a magnetic force of the magnet; a hole formed in the attracting part, at a position corresponding to the swing arm protrusion, for leaking magnetic flux flowing through the attracting part; a core disposed to move through the hole; and a core transfer device transferring the core such that a leading end portion of the core is inserted into the hole when a disk drive is operating, and for transferring the core such that the core is released from the hole when the disk drive is not operating.