Patent ID: 7551532
Filing Date: 2009-06-23
Classification: G11B

Abstract:
1. A write-once disc having at least one recording layer, the disc comprising: a plurality of temporary defect management areas in which temporary defect list (TDFL) and temporary disc defect structure (TDDS) are recorded, the temporary defect list comprising information on defect areas, and the temporary disc defect structure comprising a location pointer indicating a location in which the temporary defect list is recorded; and at least one access information area in which access information is recorded, the access information indicating a temporary defect management area in which latest temporary defect list and temporary disc defect structure are recorded, among the plurality of temporary defect management areas; wherein the access information is updated in the access information area when the temporary defect management area in which the latest temporary defect list and temporary disc defect structure are recorded, is changed.