Multiple servo sector sets write with self-verification for disk drive
US5553086A · kind A · utility
29Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1994 |
| Grant date | Sep 3, 1996 |
| Priority date | — |
| Expiry date | Jan 28, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/59655
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Plural embedded servo sector sets are written as a single operation by a servo writer during manufacture of a hard disk drive. Later, the disk drive electronics performs a self scan and selects one good set of embedded servo sectors and erases all other sets, thereby decreasing the number of servo sector rewrites during manufacture and reducing manufacturing time and costs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.