Measurement of track eccentricity on bit patterned media

Details Measurement of track eccentricity on bit patterned media Measurement of track eccentricity on bit patterned media

2009-02-03

2011-10-25

Sniezek, Andrew L (Department: 2627)

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

C360S077040, C360S071000

Reexamination Certificate

active

08045282

ABSTRACT:
The eccentricity of tracks defined on a rotating bit patterned media are measured using a readback signal, and the measured eccentricity may be used to control centering of the disk relative to a rotational spindle and/or to control movement of a read/write head relative to a selected track on the disk.

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