Method and apparatus for writing servo bursts with compensation

Details Method and apparatus for writing servo bursts with compensation Method and apparatus for writing servo bursts with compensation

1997-06-18

2000-02-08

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 57, G11B 2110

Patent

active

060233893

ABSTRACT:
A method and apparatus are provided for writing servo bursts with compensation for erase bands in a direct access storage device (DASD). A first servo burst is written on the magnetic disk media using a transducer head in the DASD. The transducer head is moved in a first direction and the first written servo burst is trimmed. The transducer head is moved in a second direction opposite the first direction corresponding to the width of an erase band and then a next servo burst is written.

REFERENCES:
patent: 4396960 (1983-08-01), Matla et al.
patent: 4530019 (1985-07-01), Penniman
patent: 5229895 (1993-07-01), Schwarz et al.
patent: 5241435 (1993-08-01), Saito et al.
patent: 5307218 (1994-04-01), Kitamura et al.
patent: 5381281 (1995-01-01), Shrinkle et al.
patent: 5757574 (1998-05-01), Chainer et al.
patent: 5867337 (1999-02-01), Shimomura
U.S. Patent application ser. No.156,531 filed Nov. 23, 1993, entitled Asynchronous Digital PES Demodulation Disk Drive Servo Control System by Wayne Cheung et al.

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