Information recording medium, and method and apparatus for managing defect thereof
US6189118A · kind A · utility
136Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1999 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Aug 6, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information recording medium includes a disk information area; a user area including a plurality of sectors; and a spare area including at least one sector which, when at least one of the plurality of sectors included in the user area is a defective sector, is usable instead of the at least one defective sector. The spare area is located radially inward from the user area. A physical sector number of a sector to which a logical sector number "0" is assigned, among the plurality of sectors included in the user area and the at least one sector included in the spare area, is recorded in the disk information area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.