HOLOGRAPHIC MEDIUM HAVING A PROTECTIVE LAYER

The invention relates to a holographic medium comprising a protective layer and a photopolymer film connected to the protective layer said photopolymer film containing polyurethane matrix polymers acrylate writing monomers and photoinitiators wherein the protective layer is impermeable to the consti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAZARAN PANTEA, FLEMM UTE, BRUDER FRIEDRICH KARL, HENTSCHEL DANIEL, DÖRR SEBASTIAN, FÄCKE THOMAS, RÖLLE THOMAS, WEISER MARC STEPHAN, PETZOLDT JOACHIM, DIJKSTRA DIRK, HÖNEL DENNIS
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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Beschreibung
Zusammenfassung:	The invention relates to a holographic medium comprising a protective layer and a photopolymer film connected to the protective layer said photopolymer film containing polyurethane matrix polymers acrylate writing monomers and photoinitiators wherein the protective layer is impermeable to the constituents of the photopolymer film optically clear and transparent to electromagnetic radiation having a wavelength in the range of 350 to 800 nm. The invention further relates to the use of a holographic medium according to the invention to produce holograms and to a method for producing a holographic medium according to the invention.