High precision servo track writing with position error...

Details High precision servo track writing with position error... High precision servo track writing with position error...

2006-05-23

2006-05-23

Sniezek, Andrew L. (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S077030, C360S078040

Reexamination Certificate

active

07050259

ABSTRACT:
A servo writer system for a disk drive uses the reader element of a magnetic transducer head in the disk drive to read head position information during servo writing of the disk drive. A positioning system in the servo writer uses both the head position information and actuator position information, as feedback signals to accurately position the transducer during servo writing, resulting in high quality servo tracks.

REFERENCES:
patent: 4920434 (1990-04-01), Brown et al.
patent: RE35302 (1996-07-01), Hoshimi et al.
patent: 6714376 (2004-03-01), Brunnett et al.
patent: 000977181 (2000-02-01), None

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