Patent ID: 7602681
Filing Date: 2009-10-13
Classification: G11B,G11C

Abstract:
1. A write-once-type recording medium comprising: a data area to record therein record data; a control information recording area to record therein information for controlling an operation of recording and/or reading in said data area, said control information recording area including a definite defect management area to record therein defect management information of said data area; a plurality of temporary defect management areas, which are discretely located, to temporarily and repeatedly record therein the defect management information of said data area; and a status information recording area in which status information for indicating a recording status of one portion or each of said plurality of temporary defect management areas which is discretely located is to be recorded, at least one of said plurality of temporary defect management areas is located in said control information recording area, and at least another one of said plurality of temporary defect management areas being located between said control information recording area and said data area.