Patent ID: 9529324
Filing Date: 2016-12-27
CPC Classification: G03F,G03H

Claim Text:
1. A volume hologram laminate comprising: a substrate, a volume hologram layer formed on the substrate and containing a photopolymerizable compound, in which a transmission volume hologram is recorded by forming an interference fringe, and a volume hologram-laminated part formed so as to contact to the volume hologram layer and comprising a resin layer which contains a photopolymerizable compound, and a transparent resin selected from the group consisting of a polymethyl methacrylate resin, a polyvinyl acetate resin, and a polyester resin, wherein an interference fringe is formed in the resin layer, and wherein a period of the interference fringe formed in the volume hologram layer is bigger than a period of the interference fringe formed in the resin layer, and a period of the interference fringe formed in the resin layer is constant in the entire resin layer.