Method and apparatus for writing servo pattern using spiral pattern in disk drive
US7675705B2 · kind B2 · utility
14Cited by
14References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2007 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Jun 18, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/59661
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, there is provided a servo write method of writing specified servo patterns to a disk medium on the basis of a spiral servo pattern recorded on the disk medium, wherein when the spiral servo pattern is read using a head, position detecting data used to detect a radial position on the disk medium on the basis of data recorded in a sync mark region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.