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AssigneeSony Corporation
InventorsKoichiro Kishima, Yuji Kuroda, Isao Ichimura, Kiyoshi Osato, Kimihiro Saito
Estimating the term…
An optical recording medium for at least one of recording and reproduction of information by focusing of light from an optical system on a recording layer, comprising a substrate, a recording layer formed on the substrate, a first protective layer formed on the recording layer, and an antireflection multilayer film, designed to be positioned at a near field distance from the optical system, formed on the first protective layer for preventing reflection of the light at the surface of the first protective layer and having predetermined optical characteristics for moderating a change of a reproduced signal intensity along with fluctuation of a distance between the antireflection multilayer film and the optical system, a method of producing the medium, and an optical recording and reproduction device including the medium.
An optical recording medium used in a near field condition, comprising:
An optical recording and reproduction device comprising:
Dependencies are inferred from the claim text.