Optical information recording medium and mold apparatus used for manufacturing the same

摘要

An optical information recording medium includes at least a substrate (2) on which a groove is formed in a recording area, a recording layer (4) containing an organic dye, and a reflective layer (3). The recording area has a preformat area and a data area, and the groove in the preformat area (GV2) is narrower or shallower than that in the data area (GV1).