Image forming material comprising polyacids of Mo or W or their salts or complexes

摘要

There is provided an image-forming material of a laminar structure comprising: a substrate; an image-forming layer provided on at least one surface of the substrate and containing an image-forming agent selected from the group consisting of polyacids of molybdenum and tungsten and salts and complexes of these polyacids; and a transparent polymer film provided on the image-forming layer, at least one of the image-forming layer and the transparent polymer film containing a reducing agent. The image-forming material may be used in a one-stage image-forming process comprising irradiation thereof with image-wise light-rays including ultraviolet and visible and/or infrared rays or a two-stage image-forming process comprising irradiation thereof with image-wise ultra-violet rays and then with visible and/or infrared rays.