OPTICAL DISK AND MANUFACTURING METHOD THEREOF, AND METHOD FOR RECORDING AND REPRODUCING DATA USING THE OPTICAL DISK
PROBLEM TO BE SOLVED: To provide an optical disk enabling recording learning with excellent precision for each of a plurality of information recording layers, and to provide a method for manufacturing the optical disk, a method for recording data, and a method for reproducing the data. SOLUTION: The...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an optical disk enabling recording learning with excellent precision for each of a plurality of information recording layers, and to provide a method for manufacturing the optical disk, a method for recording data, and a method for reproducing the data. SOLUTION: The optical disk includes a first information recording layer and second to Nth information recording layers (N is an integer of at least 2) arranged at the incidence side of a laser beams than the first information recording layer. The first information recording layer includes a read-only control data region 702a and a first recording leaning region 704a for learning recording conditions. At least one information recording layer of the second to Nth information layers (ith information recording layer (i is an integer meeting 2≤i≤N)) includes ith recording learning regions 702b, 702c, and 702d for learning the recording conditions. The first recording learning region and the ith one are mutually arranged at a different radius position and the ith recording learning region is arranged within the radius position range at which the control data region is provided. COPYRIGHT: (C)2005,JPO&NCIPI |
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