Apparatus and method for controlling head loading in disk drive

Details Apparatus and method for controlling head loading in disk drive Apparatus and method for controlling head loading in disk drive

2006-08-29

2006-08-29

Nguyen, Hoa T. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Reexamination Certificate

active

07099100

ABSTRACT:
An apparatus and method for controlling head loading in a disk drive including a displacement measuring unit measuring a vertical displacement of a disk, a rotational angle detecting unit detecting a rotational angle of a spindle motor, and a controller controlling the movement of an actuator to load a head on the disk while a vertical displacement of a portion of the disk on which the head is loaded is decreasing so that the disk separates farther from a position on which the head is parked. Therefore, the possibility of collision between the head and the disk during head loading is reduced, thereby preventing damage to the head and disk and improving the reliability of the disk drive.

REFERENCES:
patent: 6560066 (2003-05-01), Imai et al.
patent: 2001-216753 (2001-08-01), None
patent: 2003-217244 (2003-07-01), None

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