Abstract: The present invention provides a heat developable photosensitive material comprising at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions and binder on one surface of a support.

Abstract: The invention provides a photothermographic material including: a support and an image-forming layer including a non-photosensitive silver salt, a photosensitive silver halide, a binder, and a reduction agent disposed on the support, wherein a silver iodide content in the photosensitive silver halide is in a range from 40 mol % to 100 mol %; and an average sphere-equivalent diameter of the photosensitive silver halide is in a range from 0.3 ?m to 5.0 ?m. The photothermographic material may further include a silver iodide complex forming agent as a compound which substantially reduces visible light absorption caused by the photosensitive silver halide after thermal development. At least 50%, in terms of a projected area, of the photosensitive silver halide may be occupied by tabular silver halide grains having an aspect ratio of from 2 to 50 and being deposited with a silver salt in an epitaxial growth manner.

Abstract: The present invention provides an image forming method using an image recording apparatus that includes a laser irradiating means for laser scanning of a photothermographic material that has a support and includes on at least one surface thereof a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, and a conveying means for guiding the photothermographic material in a sub-scanning direction to a thermal development unit, wherein the reducing agent is a specific bisphenol compound. The invention also provides another image forming method including carrying out thermal development, with an interval time equal to or less than 12 seconds, of the photothermographic material.

Abstract: A silver halide emulsion comprises at least a dispersion medium, water and a silver halide grain, wherein grains occupying from 40 to 100% of the total projected area of said gains have an AgI content of 85 to 100 mol %, a single kind of outer shape except for size and the equivalent-circle projected diameter of from 0.002 to 20 ?m.

Abstract: An image forming method using a photothermographic material a photosensitive silver halide, a reducing agent, a binder and a non-photosensitive organic silver salt, wherein: the photothermographic material is discharged from a thermal developing device within 35 seconds after heating for thermal development is ceased.

Abstract: A photothermographic material including a substrate carrying on one surface thereof an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for a silver ion, and a binder, wherein the photosensitive silver halide has a silver iodide content of 40 to 100 mol %, and an average particle size of 5 to 80 nm, and the photothermographic material contains a compound of the following general formula (1); Q-(Y)n—C(Z1)(Z2)X??General formula (1) wherein Q represents a heterocycle, Y represents a divalent connecting group, n represents 0 or 1, Z1 and Z1 each represent a halogen atom, and X represents a hydrogen atom or an electron withdrawing group.

Abstract: A photothermographic material including, on a support, a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, wherein the photothermographic material contains a compound having a group adsorptive to silver halide and a reducible group or a precursor of the compound, and satisfies one of the following conditions: 1) a silver behenate content of the non-photosensitive organic silver salt is at least 30% by mole and less than 80% by mole, and the binder has a glass transition temperature (Tg) of 45° C. or higher; or 2) the photosensitive silver halide comprises iridium.

Abstract: A photothermographic material including an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder on the same surface of a support, wherein the photothermographic material contains a compound having an adsorption group to silver halide and a reducing group, or a precursor of the compound, and satisfies one of the following conditions: 1) the photothermographic material contains a development accelerator; 2) the non-photosensitive organic silver contains silver behenate in an amount of not less than 80% by mole, and the binder has a glass transition temperature (Tg) of 45° C.

Abstract: A method for wrapping a heat-developable photosensitive material, which comprises bending a wrapping material so that the wrapping material can bring into direct contact with at least a part of a heat-developable photosensitive material comprising a photosensitive silver halide, a reducing agent, a binder and a non-photosensitive organic silver salt having a silver behenate content of not lower than 53 mol % provided on one side of a support, wherein the wrapping material is a paper.

Abstract: A silver halide emulsion comprises at least a dispersion medium, water and a silver halide grain, wherein grains occupying from 40 to 100% of the total projected area of said gains have an AgI content of 85 to 100 mol %, a single kind of outer shape except for size and the equivalent-circle projected diameter of from 0.002 to 20 ?m.

Abstract: A silver halide emulsion comprises at least a dispersion medium, water and a silver halide grain, wherein grains occupying from 40 to 100% of the total projected area of said gains have an AgI content of 85 to 100 mol %, a single kind of outer shape except for size and the equivalent-circle projected diameter of from 0.002 to 20 ?m.

Abstract: A process for manufacturing a photothermographic material comprising a support and an image forming layer on the support, containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for a silver ion, and a binder, comprising mixing the photosensitive silver halide with the non-photosensitive organic silver salt: said photosensitive silver halide having a silver iodide content of 40 mol % to 100 mol %, and an average particle size of 5 nm to 80 nm, and said photothermographic material further containing at least one compound selected from the group consisting of compounds represented by formulae (T1) and (T2); Wherein in formula (T1), R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aryl group, a halogen atom, an amino group, a nitro group, an alkoxycarbonyl group, a substituted or unsubstituted carboxyl group or salt thereof, or a sulfonic group or salt thereof, wherein in formula (T2), R represents an alkyl or alkenyl group

Abstract: A photothermographic material including an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder on the same surface of a support, wherein the photothermographic material contains a compound having an adsorption group to silver halide and a reducing group, or a precursor of the compound, and satisfies one of the following conditions:

Abstract: An image forming method for forming an image with laser irradiation on a photothermographic material including transporting the photothermographic material in a sub scanning direction and guiding it to a thermal developing portion, wherein the photothermographic material comprises at least one compound selected from formulae (1a), (1b) and (1c), and the method satisfies one of the following conditions:

Abstract: Disclosed is a highly sensitive photothermographic material containing on a support a silver salt of an organic acid, a photosensitive silver halide, a reducing agent, a binder and, for example, a compound of which one-electron oxidized derivative produced by one electron oxidation of the compound is capable of releasing two or more electrons with a bond cleavage.

Abstract: The present invention provides an image forming method using an image recording apparatus that includes a laser irradiating means for laser scanning of a photothermographic material that has a support and includes on at least one surface thereof a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, and a conveying means for guiding the photothermographic material in a sub-scanning direction to a thermal development unit, wherein the reducing agent is a specific bisphenol compound. The invention also provides another image forming method including carrying out thermal development, with an interval time equal to or less than 12 seconds, of the photothermographic material.

Abstract: The invention provides a photothermographic material including: a support and an image-forming layer including a non-photosenisitive silver salt, a photosensitive silver halide, a binder, and a reduction agent disposed on the support, wherein a silver iodide content in the photosensitive silver halide is in a range from 40 mol % to 100 mol %; and an average sphere-equivalent diameter of the photosensitive silver halide is in a range from 0.3 &mgr;m to 5.0 &mgr;m. The photothermographic material may further include a silver iodide complex forming agent as a compound which substantially reduces visible light absorption caused by the photosenisitive silver halide after thermal development. At least 50%, in terms of a projected area, of the photosensitive silver halide may be occupied by tabular silver halide grains having an aspect ratio of from 2 to 50 and being deposited with a silver salt in an epitaxial growth manner.

Abstract: An image forming method using a photothermographic material comprising, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, wherein the photothermographic material: 1) having a gamma value of 2.0 to 4.0 is developed in a thermal development device configured such that a distance between an exposing section and a developing section is not more than 50 cm; 2) having a silver salt of fatty acid at an application amount of 5 mmol/m2 to 18 mmol/m2 is developed in a thermal development device configured such that a distance between an exposing section and a developing section is not more than 50 cm; 3) is discharged from a thermal development device within 35 seconds after heating for thermal development is ceased.

Abstract: The present invention relates to a heat developing photosensitive material comprising, on one side of a support, a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for a silver ion, and a binder; and further comprising an aromatic carboxylic acid compound represented by a general formula (2), which is on the same side as the photosensitive silver halide, and a development promoter; which reducing agent includes a compound represented by a general formula (1) below.

Abstract: A photothermographic material including a substrate carrying on one surface thereof an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for a silver ion, and a binder, wherein the photosensitive silver halide has a silver iodide content of 40 to 100 mol %, and an average particle size of 5 to 80 nm, and the photothermographic material contains a compound of the following general formula (1);