RECORDING MEDIUM, RECORDING DEVICE, RECORDING METHOD AND COMPUTER PROGRAM

摘要

A recording medium (100) is provided with a first recording layer (L0) and a second recording layer (L1) for recording recording information. The first recording layer and the second recording layer are provided with control areas (102, 118), respectively, for recording control information for controlling at least recording or reproduction of the recording information. An area portion of the second recording layer which corresponds to an end portion on an inner circumference side of the control area in the first recording layer, and an end portion on an outer circumference side of the control area in the second recording layer are separated by a prescribed value or more.