Patent ID: 6432498
Filing Date: 2002-08-13
Classification: G03H,Y10T

Abstract:
A volume hologram laminate having a first adhesive layer, a volume hologram layer, a second adhesive layer and a surface protective film formed in that order on a substrate, wherein said volume hologram layer is a hologram recording in a recording material comprising a matrix polymer and a photopolymerizable compound, having a glass transition point of 30Â° C.-70Â° C. and a dynamic storage elastic modulus of 5Ã—105 Pa-5Ã—107 Pa at 50Â° C. when measured at 6.28 rad/s, and said second adhesive layer has a dynamic storage elastic modulus of no greater than 5Ã—104 Pa or at least 2.5Ã—105 Pa at 50Â° C. when measured at 6.28 rad/s.