Holographic medium having a protective layer

This invention relates to a holographic medium comprising a protective layer and a photopolymer film which is bonded to the protective layer and contains polyurethane matrix polymers, acrylate writing monomers and photoinitiators, wherein the protective layer is impermeable to the constituents of th...

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Bibliographic Details
Main Authors NAZARAN PANTEA, FLEMM UTE, WEISER MARC-STEPHAN, HENTSCHEL DANIEL, DÖRR SEBASTIAN, BRUDER FRIEDRICH-KARL, FÄCKE THOMAS, RÖLLE THOMAS, PETZOLDT JOACHIM, DIJKSTRA DIRK, HÖNEL DENNIS
Format Patent
LanguageEnglish
Published 24.11.2015
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHIC PROCESSES OR APPARATUS
HOLOGRAPHY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHOTOGRAPHY
PHYSICS
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Summary:This invention relates to a holographic medium comprising a protective layer and a photopolymer film which is bonded to the protective layer and contains polyurethane matrix polymers, acrylate writing monomers and photoinitiators, wherein the protective layer is impermeable to the constituents of the photopolymer film, is optically clear and is transparent to electromagnetic radiation having a wavelength in the range of from 350 to 800 nm. The invention further provides the use of a holographic medium according to the invention in the production of holograms, and a process for the production of a holographic medium according to the invention.
Bibliography:Application Number: US201214359347