INFORMATION RECORDING MEDIUM, INFORMATION RECORDING DEVICE AND METHOD, AND COMPUTER PROGRAM FOR RECORD CONTROL

摘要

An information recording medium (100) is provided with at least (i) a first recording layer (L0 layer) wherein first information can be recorded, and (ii) a second recording layer (L1 layer) wherein second information can be recorded by a laser beam passed through the first recording layer, and (iii) a first recording area of the first recording layer (L0 layer) is subjected to optical process (initializing process) by which the light transmission of the first recording area can be brought close to the light transmission obtained when the first information is recorded in the first recording area.