Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate
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
Hansra Tejpal S.
Maxtor Corporation
Nguyen Hoa T.
Slavitt Mitchell
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