Holographic data support and method for production thereof
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United States of America Patent
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Sep 27, 2011
Grant Date -
Dec 27, 2007
app pub date -
Mar 7, 2005
filing date -
Mar 15, 2004
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Abstract
The invention relates to a data support (1) with a core layer (15) and at least one adjacent layer (14a), laminated to the core layer and a corresponding production method, said core layer being embodied from a holographic data store in the form of a volume hologram (5). The surface (141) facing the core layer, on the layer directly adjacent to the core layer, has a roughness (19), before lamination to the core layer, which affects the wavelength shift of the image reconstructed by the volume hologram.
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