초록 ▼

A capsular imaging system wherein the imaging material comprises a support coated on one surface with a layer of capsules containing, as an internal phase, a radiation sensitive composition and a decolorizing agent; images are formed by a dry process wherein the aforesaid sheet is image-wise exposed

A capsular imaging system wherein the imaging material comprises a support coated on one surface with a layer of capsules containing, as an internal phase, a radiation sensitive composition and a decolorizing agent; images are formed by a dry process wherein the aforesaid sheet is image-wise exposed; exposure of the sheet controls release of the decolorizing agent from the capsules which image-wise reacts with a dye layer and causes a color change. Embodiments are also disclosed in which the decolorizing agent inhibits or reverses the color forming reaction between a dye precursor and a dye developer.

대표청구항 ▼

An imaging system comprising: an imaging sheet and a background dye or a combination of a dye precursor and a dye developer which react to form a background dye, said imaging sheet including: a support, a plurality of capsules in a layer on one surface of said support, and an internal phase containe

An imaging system comprising: an imaging sheet and a background dye or a combination of a dye precursor and a dye developer which react to form a background dye, said imaging sheet including: a support, a plurality of capsules in a layer on one surface of said support, and an internal phase contained within said capsules comprising a decolorizing agent and a photohardenable or photosoftenable radiation sensitive composition, wherein images can be formed by image-wise exposing said sheet to actinic radiation and rupturing said capsules such that said decolorizing agent is image-wise released from said capsules and reacts with said associated background dye to decolorize it or inhibits, prevents or reverses the color forming reaction of said dye precursor and dye developer to produce a color difference in the form of an image.