Mitsubishi Kagaku Media Co., Ltd.

Katsumi Ebashi

Naoyuki Uchida

Hideharu Takeshima

Mitsugu Wakabayashi

Susumu Satou

The invention is principally to provide an archival optical recording medium of high quality which has satisfactory recording/reading characteristics when used in high-speed recording and high-density recording. The invention accomplishes the object with an optical recording medium comprising a resin substrate, a recording layer comprising an organic dye, and a reflective layer, wherein the reflective layer has a first reflective layer and a second reflective layer in this order from the side close to the recording layer, the second reflective layer has a thermal conductivity lower than the thermal conductivity of the first reflective layer, and the first reflective layer has a film thickness larger than the thickness of the second reflective layer.

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Tokyo, Japan

Katsumi Ebashi