Systems and methods for printed-media SSW reference pattern...

Details Systems and methods for printed-media SSW reference pattern... Systems and methods for printed-media SSW reference pattern...

2006-03-07

2006-03-07

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

07009802

ABSTRACT:
A printed media self-servowriting process can be utilized whereby each wedge in the printed media pattern can have more than two servo bursts in order to effectively eliminate the high PES noise. A final pattern can be written based on the printed media pattern and eliminate the timing eccentricity suffered by the printed media pattern due to disk mis-centering. A radius can be determined such that more than two servo bursts can be can be used to determine the PES for radii between the radius and the OD, while only one or two servo bursts can be used between the radius and the ID. This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims.

REFERENCES:
patent: 6704156 (2004-03-01), Baker et al.

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