Patent classifications
G
PHYSICS
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G11
INFORMATION STORAGE
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G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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7/00
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation; by modifying optical properties or the physical structure; , reproducing using an optical beam at lower power; by sensing optical properties; Record carriers therefor
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G11B7/24
Record carriers characterised by shape, structure or physical properties, or by the selection of the material
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G11B7/241
characterised by the selection of the material
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G11B7/252
of layers other than recording layers
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G11B7/257
of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
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G11B2007/25705
consisting essentially of inorganic materials
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G11B2007/25705

Information storage medium having multiple recording layers
11545179 · 2023-01-03 · ·

An information recording medium and a method for producing the same according to the present disclosure are configured to have an information layer in which a larger amount of light for reproduction can be obtained, so that the medium is suitable for recording information at high recording density and is useful for a multi-layer optical disc that records a large amount of contents.

INFORMATION RECORDING MEDIUM AND METHOD FOR PRODUCING SAME
20210166728 · 2021-06-03 ·

An information recording medium and a method for producing the same according to the present disclosure are configured to have an information layer in which a larger amount of light for reproduction can be obtained, so that the medium is suitable for recording information at high recording density and is useful for a multi-layer optical disc that records a large amount of contents.