Patent ID: 6385736
Filing Date: 2002-05-07
Classification: G11B

Abstract:
A method of managing defect areas of an optical recording medium, comprising the steps of:(a) reading a defect management area list and storing the read defect management area list; (b) comparing a physical sector number of a current position with said defect management area list stored at said step (a); and (c) writing or reading no data to/from a physical sector of the current position if it is determined at said step (b) that said physical sector number of the current position is the same as a physical sector number in said defect management area list stored at said step (a), wherein said writing or reading step (c) includes the step of writing or reading data to/from a normal sector subsequent to said physical sector of the current position while jumping over said physical sector, if it is determined at said comparison step (b) that said physical sector number of the current position is the same as said physical sector number in said defect management area list stored at said step (a) and it corresponds to a defect area registered in a primary defect list.