OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING METHOD, AND OPTICAL INFORMATION RECORDING APPARATUS

摘要

An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the plurality of recording layers, in which a first test area of a first layer and a second test area of a second layer adjacent to the first layer are provided at different radial positions.