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US 5,702,792 AGranted
Optical recording medium
AssigneePioneer Electronic Corporation
InventorsTetsuya Iida, Satoshi Jinno, Takanobu Higuchi
Life of this patent
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Abstract
An optical recording medium of a multi-layer type comprises; a single or plural spacer layers each carrying pits and/or grooves; a single or plural reflective layers layered on the spacer layers; and a silane coupling treatment layer formed between the reflective layer and the spacer layer adjacent to each other.
Claims2
An optical recording medium of a multi-layer type comprising:
- a substrate
- a single or plural spacer layers each carrying pits and/or grooves;
- a single or plural reflective layers layered on the spacer layers;
- and
- wherein said reflective layer is made of a material including --OH groups and a surface of said reflecting layer furthest from said substrate contacting with said spacer layer is provided with a silane coupling treatment.
2 more elements
An optical recording medium of a multi-layer type comprising:
- a substrate
- a single or plural spacer layers each carrying pits and/or grooves;
- a single or plural reflective layers layered on the spacer layers;
- and
- wherein said reflective layer is made of one or more oxide thin films and a surface of said reflecting layer furthest from said substrate contacting with said spacer layer is provided with a silane coupling treatment.
2 more elements
Dependencies are inferred from the claim text.