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US 8,075,972 B2Granted
Optical recording medium
AssigneeMitsubishi Kagaku Media Co., Ltd.
InventorsShigeyuki Furomoto, Masaaki Mizuno, Naoyuki Uchida
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Abstract
To provide an optical recording medium exhibiting favorable write/read characteristics in high-speed recording. In an optical recording medium including a reflective layer, a dye-containing recording layer, and a transparent resin layer on a substrate in this order, a barrier layer is disposed between the recording layer and the resin layer, where the barrier layer comprises a material having a bulk thermal conductivity M of 70 W/m·K or more at 300 K and has a thickness t less than 5 nm.
Claims10
An optical recording medium comprising:
- a reflective layer, a dye-containing recording layer, and a transparent resin layer on a substrate in this order;
- and
- a barrier layer between the recording layer and the resin layer, wherein
- the barrier layer comprises a material having a thermal conductivity M of a bulk state of 70 W/m·K or more at 300 K;
- and
- a thickness t of the barrier layer is 1 nm or more and less than 5 nm.
3 more elements
Dependencies are inferred from the claim text.