Data storage device and servo information writing method

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Head amplifier circuit

Reexamination Certificate

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Details

C360S048000, C360S075000

Reexamination Certificate

active

07126772

ABSTRACT:
Provided is a data storage device in which servo track pitch varies within a predetermined region in a radial direction of a disk-shaped storage medium.

REFERENCES:
patent: 2004/0136104 (2004-07-01), Chiao et al.
patent: 10027443 (1998-01-01), None
patent: 2000322848 (2000-11-01), None

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