Patent ID: 7327655
Filing Date: 2008-02-05
Classification: G11B

Abstract:
1. A method of managing disc defects occurring on a write once disc that is a single recording layer disc in which a lead-in area, a data area, and a lead-out area are sequentially formed and a first spare area and a second spare area are formed at both ends of the data area, respectively, the method comprising: allocating a first temporary defect management area (TDMA) to at least one of the lead-in area and the lead-out area; allocating a second TDMA between the first spare area and a user data area or between the user data area and the second spare area; allocating a defect management area (DMA) to at least one of the lead-in area and the lead-out area; and performing disc defect management using the first and second TDMAs and the DMA, including recording temporary management information, which is most recently updated in the first or second TDMA, in the DMA.