Method and apparatus for providing servo gain linearization for a magneto-resistive head
US6429994B1 · kind B1 · utility
5Cited by
64References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1998 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Aug 14, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/59688
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for generating servo information used in positioning the read head of a hard disk drive. The apparatus comprises a disk having a plurality of tracks, at least one of which has a data field which includes a plurality of servo bits, each of said servo bits being radially offset from an adjacent servo bit by a predetermined amount. In one embodiment, the predetermined amount is 5% of a width of the track. A servo signal based on the plurality of servo bits is generated and used to position the head relative to a track of the disk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.