OPTICAL DISK, OPTICAL DISK DEVICE, OPTICAL DISK DEFECT REGISTERING METHOD, OPTICAL DISK RECORDING METHOD, AND OPTICAL DISK REPRODUCING METHOD

摘要

Disclosed is an optical disk (1) comprising a first defect management area (6), in which first defect management information belonging to an impermanent defect can be registered, and a second defect management area (7), in which second defect management information belonging to a permanent defect can be registered.  The rewrite of the second defect management information registered in the second defect management area (7) is inhibited.