Disk drive in which dynamic fly height of head is adjusted,...

Details Disk drive in which dynamic fly height of head is adjusted,... Disk drive in which dynamic fly height of head is adjusted,...

2008-06-20

2009-12-01

Nguyen, Hoa T (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S078040

Reexamination Certificate

active

07626779

ABSTRACT:
According to one embodiment, a disk drive includes a heating element which is provided on a head and generates heat when supplied with power, thereby to adjust a dynamic flying height of the head. A head-movement detecting unit detects the abnormal movement of the head, a value of which is larger than a preset movement value during a head positioning control. In this case, a heating-element controller stops supplying power to the heating element.

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