Method and apparatus for overwriting data in a disk drive

Details Method and apparatus for overwriting data in a disk drive Method and apparatus for overwriting data in a disk drive

2006-10-17

2006-10-17

Nguyen, Hoa T. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S075000

Reexamination Certificate

active

07123435

ABSTRACT:
A method and apparatus for overwriting data in a disk drive is provided. In one embodiment, a disk drive includes a disk surface and a write head associated therewith. The disk surface has servo information and user data written thereon. The user data is written by the write head. User data is overwritten by sweeping the write head from a first radius on the disk surface to a second radius on the disk surface, while the write head is actively writing.

REFERENCES:
patent: 2002/0114239 (2002-08-01), Yokokawa

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