Patent ID: 7050255
Filing Date: 2006-05-23
Classification: G11B

Abstract:
1. A hard disk drive, comprising: an enclosure having a spindle motor mounted thereto, a perimeter edge, and an axial thickness; a magnetic disk mounted to the spindle motor for rotation relative to the enclosure, the magnetic disk having an axis of rotation and a storage area; an actuator mounted to the enclosure and having a head for reading information from and/or writing information to the magnetic disk; and the enclosure also having a disk region located over at least a portion of the storage area of the magnetic disk, the disk region having an axial thickness that is less than the axial thickness of the enclosure to define a working magnetic gap for erasing the magnetic disk while the magnetic disk is inside the enclosure, and the disk region extends radially from said at least a portion of the storage area to the perimeter edge of the enclosure.