Holographic medium having a protective layer

• 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
• Language: English
• 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

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...