OPTICAL RECORDING MEDIUM, OPTICAL RECORDING APPARATUS, AND SYSTEM TO PREPARE CONTENTS-RECORDED OPTICAL RECORDING MEDIUM

摘要

An optical recording medium, comprising a dye recording layer, wherein a recording mark portion is formed at the dye recording layer by use of a laser light having a wavelength of 640 nm to 680 nm, and a reflectance after recording with respect to the laser light at the recording mark portion is increased compared to a reflectance before recording.