Abstract: 1. A photothermographic material is disclosed, comprising on a support light sensitive silver halide grains, an organic silver salt, a reducing agent and a binder, wherein the photothermographic material comprises a silane compound represented by the following formulas.

Abstract: An ablstion image forming method is disclosed.

Abstract: Y image, M image, C image and a mixed-dye image wherein Y, M and C are mixed are prepared by an image forming apparatus, analytical density for each of Y, M and C components in their complementary color wavelength regions is measured by a densitometer for each of Y image, M image and C image, then Y image, M image, C image and a mixed-dye image are read by the aforesaid image reading apparatus and spectral densities for in B, G and R wavelength regions are obtained. A conversion function for obtaining analytical density from spectral density is obtained from the spectral densities obtained by the image reading apparatus and the analytical density obtained through measurement by a densitometer.

Abstract: A method of recording an image on a recording sheet is disclosed which comprises the step of jetting an ink from a nozzle onto the recording sheet, wherein the ink comprises a dye capable of co-ordinate bonding with a metal ion in two or more coordination positions and the recording sheet comprises a compound containing a metal ion which is capable of co-ordinate bonding with the dye in two or more coordination positions to record the image on a recording sheet.

Abstract: An image forming method is disclosed.

Abstract: An image forming material is disclosed which comprises a support and provided thereon, an image forming layer containing colorant particles and a binder, the image forming layer having an optical density of 3.0 or more per 1 .mu.m thickness of the image forming layer at .lambda.max which is a wavelength giving a maximum transparent density in the spectral absorption wavelength range of 350 to 1200 nm of the image forming layer, wherein an image is formed by removing exposed portions of the image forming layer of the image forming material.

Abstract: An image forming material is disclosed which comprises a support and provided thereon, an image forming layer containing a colorant, the image forming layer being hardened, wherein an image is formed by imagewise exposing the image forming layer to a high density energy light to reduce an adhesive force between the image forming layer and the support and by removing the exposed portions of the image forming layer of the image forming material.

Abstract: In a method of printing an original image on a photographic paper with an exposure device, the exposure device has an reference exposure light, an image corresponding to the original image is formed on a mask sheet and the photographic paper is printed by exposure lights passing through the mask sheet under the reference exposure light, wherein image signals from the original image are processed so as to satisfy the condition that the mask sheet is used under the reference exposure light.

Abstract: An image forming element and an image forming method using the same are disclosed. The element comprises a support having thereon a image forming layer comprising a binder, an aromatic aldehyde, a cobalt (III) complex represented by formula I, and a compound represented by formula II or formula III;Co.sup.3 +(L)p(X)q (I)wherein L is a coordination compound capable of forming a complex compound with the cobalt cation and at least one of which is NH.sub.3 or a primary amine; X is a counter anion; p is an integer of 1 to 6; when p is 2 to 6, the plural Ls may be the same or different; and q is an integer of 1 to 3, ##STR1## wherein lig is a coordination compound capable of forming with the cobalt cation; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently an alkyl group, an aryl group, an aralkyl group, an alkenyl group, an alkinyl group, a cycloalkyl group, a heterocyclic group or a cyano group; n.sub.1 is an integer of 1 to 6, when n.sub.

Abstract: An image forming element utilizing the photoreduction of a cobalt complex is disclosed. The image forming element comprises a support having thereon a layer comprising a cobalt complex compound represented by Formula 1 or Formula 2; ##STR1## wherein lig is a coordinating compound capable of forming a cobalt complex compound with a cobalt cation; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently an aryl group, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, a heterocyclic group or a cyano group, provided that at least one of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, a heterocyclic group or a cyano group, the above groups represented by R.sup.1, R.sup.2, R.sup.3 or R.sup.

Abstract: A thermal transfer recording image receiving sheet which are free from printing unevenness, high in sensitivity and transfer density, and immune from curling is disclosed. The sheet is laminated on a support with a polypropylene layer of 5 to 100 .mu.m in thickness, containing fine white hollow particles.

Abstract: Disclosed are an image receiving sheet for thermal transfer recording comprising: a support and an image receiving layer which contains a resin having dyeing affinity for a thermally diffusible dye provided thereon, wherein the support comprises a substrate and a laminated resin sheet which contains porous resin films each having a density in the range of 0.5 to 1.2 g/cm.sup.3 provided on both surfaces of the substrate, and a process for preparing the image receiving sheet for thermal transfer recording, comprising: a step of pasting a substrate and a resin film with an adhesive to produce a laminated resin sheet used as the support.

Abstract: Disclosed is an image receiving sheet for thermal-transfer recording medium, which comprises a support and provided thereon, an image-receiving layer containing a resin having a dyeability to a thermal diffusible dye, wherein said image-receiving layer contains an inorganic oxide capable of absorbing UV-rays.An image receiving sheet for thermal-transfer recording medium is improved in an image preservabilities, a light-fastness and a dye-bleeding resistance.

Abstract: A heat-transfer recording medium is disclosed, which produces no lowering in transfer density even when the medium is used under such higher-temperature conditions as in a facsimile equipment and is capable of providing an easily readable transferred image having a low surface gloss, as well as having an excellent keep-secrecy and producing few voids. The recording medium comprises a support; a heat-transfer layer, provided on the support, comprising a thermo-fusible substance and a colorant; and a non-transfer layer which is interposed between the support and the transfer layer and comprises a colorant, a thermoplastic polymer selected from the following Group A and a thermoplastic polymer selected from the following Group B:Group A: an .alpha.-olefin polymer, an .alpha.-olefin-maleic anhydride copolymer, an .alpha.-olefin-alkyl acrylate and methacrylate copolymer, an .alpha.-olefin-vinyl acetate copolymer, an .alpha.

Abstract: A thermal transfer recording image-receiving sheet is disclosed. The sheet comprises a support and provided thereon, an image receiving layer comprising a metallic ion-containing compound. A concentration of the metallic ion-containing compound at a portion closer to the support is higher than that of the metallic ion-containing compound at a portion farther to the support.