Disk drive performing in-drive spiral track writing

A disk drive is disclosed comprising a head actuated over a disk, wherein a bootstrap spiral track is written on the disk. While servoing on the bootstrap spiral track at least one circular reference track is written on the disk. A velocity profile is adjusted in response to the circular reference t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OTTELE SCOTT A, SHEH EDGAR D, RIGNEY BRIAN P, PARK CHARLES A, WEERASOORIYA SIRI S
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A disk drive is disclosed comprising a head actuated over a disk, wherein a bootstrap spiral track is written on the disk. While servoing on the bootstrap spiral track at least one circular reference track is written on the disk. A velocity profile is adjusted in response to the circular reference track, and a plurality of spiral tracks are written to the disk in response to the velocity profile.