Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate
2007-01-02
2007-01-02
Wong, K. (Department: 2627)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
C360S077020
Reexamination Certificate
active
10005772
ABSTRACT:
What is disclosed is a method and apparatus for writing servo information on disks to be used in a hard disk drive assembly. In one embodiment, servo information is pre-written onto a disk using an offline servo track writer which employs a fluid dynamic bearing spindle to rotate the disk(s) during read/write operations. In another embodiment, servo information is written onto a disk by a method of track following on a reference disk using an offline servo track writer.
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Ivanov Nikollay
Morris Frank Ivan
Irell & Manella LLP
Samsung Electronics Co,. Ltd.
Wong K.
Yorks Ben J.
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