Method and apparatus for performing a spiral self-servo write operation in a disk drive using an auto detection scheme
US7212369B1 · kind B1 · utility
6Cited by
0References
74Claims
0Family size
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Key dates
| Filing date | Aug 16, 2004 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | Aug 16, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/59666
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for providing a temporary utility zone in a disk drive. A disk surface has a write head associated therewith. The write head is used to write spiral servo information and a propagation state indicator onto the disk surface. The spiral servo information and propagation state indicator are used to perform a self-servo write operation on the disk surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.