NON-REWRITABLE OPTICAL DISK AND METHOD AND DEVICE FOR RESTORATION OF DISK CONTROL INFORMATION FROM NON-REWRITABLE OPTICAL DISK

摘要

FIELD: information technologies. ^ SUBSTANCE: recording medium includes at least one recording layer and area of data on recording layer. Area of data includes at least one reserve area and area of user data. Reserve area comprises at least one substitution cluster, and each cluster of substitution stores address information of an according defect cluster. ^ EFFECT: reduced occurrence of errors caused by loss of control information. ^ 20 cl, 11 dwg