Patent ID: 7360126
Filing Date: 2008-04-15
Classification: G11B

Abstract:
1. A method of managing a defect in a disc, the disc comprising a user data area and a spare area other than the user data area, the method comprising: recording user data in the user data area; recording the user data, which is recorded in a defective area of the user data area in which a defect exists, in the spare area so as to make replacement data for the user data recorded in the defective area; and recording temporary defect information and temporary defect management information including an address of last user data, which is last recorded in the user data area, in a temporary defect management area, other than a defect management area, that is on the disc to perform disc defect management, wherein the temporary defect information comprises information on a position of the defective area and information on a position of the substitute area, the temporary defect management information comprises a pointer to a recording position of the temporary defect information, and the address of last user data included in the temporary defect management information recorded in the temporary defect management area is recorded in the defect management area during finalization of the disc.