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US 2016/0275983 A1Published application
Optical recording medium
AssigneeSony Corporation
InventorsKensaku Takahashi, Yo Ota, Hidehiro Kosaka
Life of this patent
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Abstract
There is provided an optical recording medium including: three reproduction layers, wherein reflectance R1, R2, and R3 of the three reproduction layers on a side of a surface irradiated with reproduction light is equal to or greater than 5%, and wherein any absolute value of a difference delta R between two selected from the reflectance R1, R2, and R3 is equal to or less than 7%.
Claims10
An optical recording medium comprising:
- three reproduction layers,
- wherein reflectance R1, R2, and R3 of the three reproduction layers on a side of a surface irradiated with reproduction light is equal to or greater than 5%, and
- wherein any absolute value of a difference delta R between two selected from the reflectance R1, R2, and R3 is equal to or less than 7%.
Dependencies are inferred from the claim text.