Data storage device with heater, and control method therefor...

Details Data storage device with heater, and control method therefor... Data storage device with heater, and control method therefor...

2008-05-06

2008-05-06

Sniezek, Andrew L. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S078040, C360S077020

Reexamination Certificate

active

07369349

ABSTRACT:
Embodiments of the invention reduce a possibility that a head will collide with a medium when the clearance between the head and the medium is adjusted by using a medium, and sufficiently reduce the clearance even at an initial stage of accessing a data area. In one embodiment, a hard disk drive (HDD) switches a heater from OFF to ON in the specified timing after a seek mode is switched to a following mode. Specifically, for example, on the completion of seek operation, in the timing in which a head arrives at a target track, or in the timing in which an HDC/MPU enters the following mode, the heater is turned ON, and this state is kept unchanged until access to the target sector is made.

REFERENCES:
patent: 7088545 (2006-08-01), Singh et al.
patent: 7239470 (2007-07-01), Takahashi et al.
patent: 2004/0165311 (2004-08-01), Yamanaka et al.
patent: 05-250643 (1993-09-01), None
patent: 2002-343049 (2002-11-01), None
patent: 2004-342151 (2004-12-01), None

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