Patent ID: 6811930
Filing Date: 2004-11-02
Classification: G03C,G03H

Abstract:
A post-exposure treatment method of a silver halide emulsion layer in the manufacture of a hologram, the method comprising:pre-hardening the silver halide emulsion layer after exposure, wherein the silver halide emulsion layer comprises gelatin; developing the pre-hardened silver halide emulsion layer using a developer solution; bleaching the developed silver halide emulsion layer with a bleaching solution; hardening the bleached silver halide emulsion layer with a hardening agent present in the bleaching solution; drying the hardened silver halide emulsion layer; surface-hardening the dried silver halide emulsion layer; fixing the hardened silver halide emulsion layer; treating the fixed silver halide emulsion layer using warm water; and drying the silver halide emulsion layer which has been treated using warm water.