US 6,338,153 B1 · Information recording medium, and method and apparatus for managing defect thereof

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.

Claims0

Dependent claims

Claims aren’t available for this document.

Facts

Application

09/596,277Filed 16 Jun 2000

Granted

8 Jan 2002

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

G11B 20/1258
On discs: where blocks are arranged within multiple radial zones, e.g. Zone Bit Recording or Constant Density Recording discs, MCAV discs, MCLV discs
G11B 20/1883
Error detection or correction; Testing , e.g. of drop-outs: methods for assignment of alternate areas for defective areas
G11B 2020/1222
Wherein the formatting concerns a specific area of the disc: eCC block, i.e. a block of error correction encoded symbols which includes all parity…
G11B 2020/1232
Wherein the formatting concerns a specific area of the disc: sector, i.e. the minimal addressable physical data unit

Abstract

Claims0

Dependent claims

Claims aren’t available for this document.

Information recording medium, and method and apparatus for managing defect thereof

Life of this patent

Abstract

Claims0

Information recording medium, and method and apparatus for managing defect thereof

Life of this patent

Abstract

Claims0