for storing optical interference patterns, e.g. holograms; for storing data in three dimensions [3D], e.g. volume storage (G11B7/24038 takes precedence)

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor > Record carriers characterised by shape, structure or physical properties, or by the selection of the material > Layers; Shape, structure or physical properties thereof > Recording layers > for storing optical interference patterns, e.g. holograms; for storing data in three dimensions [3D], e.g. volume storage

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor (G11B11/00, G11B13/00 take precedence) > Record carriers characterised by shape, structure or physical properties, or by the selection of the material (characterised by the arrangement of information on the carrier G11B7/007) > Layers; Shape, structure or physical properties thereof > Recording layers (substrates also used as recording layers G11B7/24047) > for storing optical interference patterns, e.g. holograms; for storing data in three dimensions [3D], e.g. volume storage (G11B7/24038 takes precedence)