Hard disk drive, method for controlling FOD voltage thereof,...

Details Hard disk drive, method for controlling FOD voltage thereof,... Hard disk drive, method for controlling FOD voltage thereof,...

2007-04-24

2009-08-18

Sniezek, Andrew L (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S060000

Reexamination Certificate

active

07576938

ABSTRACT:
A flying on demand (FOD) voltage of a hard disk drive (HDD) is controlled by detecting a shock occurring to the HDD on which a magnetic head that records data on a disk or reproduces data from the disk is mounted, and if the shock is detected, controlling the FOD voltage that is applied to the magnetic head to thermally expand an end of the magnetic head.

REFERENCES:
patent: 7224547 (2007-05-01), Suk
patent: 2007/0230021 (2007-10-01), Schreck et al.
patent: 2008/0019032 (2008-01-01), Hayakawa et al.
patent: 09-044979 (1997-02-01), None
patent: 09-091911 (1997-04-01), None
patent: 2003-346445 (2003-12-01), None
patent: 100255641 (2000-02-01), None

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