Patent ID: 7550234
Filing Date: 2009-06-23
Classification: G03F,G03H

Abstract:
1. A photosensitive composition for volume hologram recording comprising a binder resin containing a hydroxyl group and/or a carboxyl group whose average molecular weight is in a range of 1,000-10,000, a metal chelate compound of a metal selected from the group consisting of Ti, Zr, Sn and In, a photopolymerization reactive compound, and a photopolymerization initiator, wherein the content of the metal chelate compound is 10 to 30 weight parts with respect to 100 weight parts of the binder resin, wherein said binder resin is a multifunctional epoxy compound having a hydroxyl group and/or a carboxyl group, and said composition further comprises an acid generation catalyst for epoxy hardening.