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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G11B2007/25402
consisting essentially of organic resins
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G11B2007/25402

System consisting of two UV-curing dry-transfer coating layers for the protection of a hologram in a photopolymer film composite
11640136 · 2023-05-02 · ·

The invention relates to a scaled holographic medium comprising a layer construction B′-C1′-C2′, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction comprising a protective layer and a substrate layer and to the use thereof.

Film structure containing a photopolymer layer for holographic exposure and a coating layer of high resistance
11267943 · 2022-03-08 · ·

The invention relates to a layer construction comprising a curable protective layer C and a photopolymer layer B, to a method for producing such a layer construction, to a method for producing a hologram using such a layer construction, to a sealed holographic medium and to the use of such a layer construction for producing a hologram.

FILM STRUCTURE CONTAINING A PHOTOPOLYMER LAYER FOR HOLOGRAPHIC EXPOSURE AND A COATING LAYER OF HIGH RESISTANCE
20210292505 · 2021-09-23 ·

The invention relates to a layer construction comprising a curable protective layer C and a photopolymer layer B, to a method for producing such a layer construction, to a method for producing a hologram using such a layer construction, to a sealed holographic medium and to the use of such a layer construction for producing a hologram.

SYSTEM CONSISTING OF TWO UV-CURING DRY-TRANSFER COATING LAYERS FOR THE PROTECTION OF A HOLOGRAM IN A PHOTOPOLYMER FILM COMPOSITE
20200166889 · 2020-05-28 · ·

The invention relates to a scaled holographic medium comprising a layer construction B-C1-C2, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction comprising a protective layer and a substrate layer and to the use thereof.