Self servo writing using servo burst edge errors for...

Details Self servo writing using servo burst edge errors for... Self servo writing using servo burst edge errors for...

2007-01-09

2007-01-09

Sniezek, Andrew L. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S077040

Reexamination Certificate

active

10127015

ABSTRACT:
The present invention provides self-servo writing by which self-propagated servo pattern track shape errors are reduced or eliminated. The method includes providing first servo bursts on a first track, measuring edge errors of the first servo bursts, and self-servo writing second servo bursts to a second track using different combinations of the edge errors to adjust the position error signals for the second servo bursts.

REFERENCES:
patent: 4414589 (1983-11-01), Oliver et al.
patent: 4912576 (1990-03-01), Janz
patent: 5485322 (1996-01-01), Chainer et al.
patent: 5907447 (1999-05-01), Yarmchuk et al.
patent: 6476989 (2002-11-01), Chainer et al.
patent: 6608731 (2003-08-01), Szita
patent: 6765744 (2004-07-01), Gomez et al.
patent: WO 94/11864 (1994-05-01), None

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