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US 2018/0197572 A1Published application
Optical recording medium
AssigneeSony Corporation
InventorsYO OTA, KENSAKU TAKAHASHI, MANAMI MIYAWAKI
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Abstract
An optical recording medium includes a plurality of information signal layers on which information signals are to be optically recorded. Among the plurality of information signal layers, the information signal layer closest to the light-receiving surface has a reflectance of more than 4%.
Claims15
An optical recording medium, comprising:
- a light-receiving surface configured to receive incident light;
- and
- at least three information signal layers,
- wherein a first information signal layer of the at least three information signal layers is closest to the light-receiving surface and has a reflectance in a range of 4% to 11%, and
- wherein a reflectance difference between the first information signal layer and a third information signal layer of the at least three information signal layers is at least 1%.
2 more elements
(canceled)
Dependencies are inferred from the claim text.