Abstract: A radiographic image conversion panel containing a substrate having thereon a phosphor layer formed by a vapor-accumulating method, wherein the phosphor layer has a thickness distribution of not more than ±20%, the thickness distribution being defined by the formula: ((Dmax?Dmin)/(Dmax+Dmin))×100, provided that Dmax is a maximum thickness of the phosphor layer; and Dmin is a minimum thickness of the phosphor layer.

Abstract: A silver salt photo-thermal photographic dry imaging material comprising on a support a light-sensitive layer containing light-insensitive silver salt of aliphatic carboxylic acid particles, a light-sensitive emulsion having light-sensitive silver halide grains, a silver ion reducing agent and a binder. The light-sensitive emulsion contains silver halide particles having diameters of from 0.001 ?m to 0.050 ?m in the ratio of 50% or more by weight in terms of silver of the entire light-sensitive silver halide grains contained, and the number average particle diameter of the light-insensitive silver salt of aliphatic carboxylic acid is from 0.01 ?m to 0.60 ?m.

Abstract: Black-and-white direct thermographic materials and photothermographic materials can be processed or developed at lower temperatures because of the incorporation of a quaternary ammonium salt in an amount of at least 0.5 mol % based on total silver in the material.

Abstract: A silver halide emulsion containing a compound represented by the following formula (1) or (2): wherein R1 represents an OH group, an SH group, or an —NR2R3 group in which R2 and R3 each independently represent a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkylsulfonyl group, or an arylsulfonyl group; L represents an alkenylene group, an arylene group, an —N?N— group, a divalent aromatic heterocyclic group, or a —C(R4)?N— group in which R4 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; n represents 0 or 1; X and Y each independently represent a nitrogen atom or a —CR5— group in which R5 represents a hydrogen atom or a substituent bondable to the carbon atom; Z represents an atomic group in the 5- to 7-membered ring; and M represents a hydrogen atom, a metal ion, or a quaternary ammonium ion.

Abstract: A radiographic imaging assembly comprises a symmetric radiographic silver halide film has an overall system speed of at least 1100 to provide images with improved contrast and sharpness and reduced fog. The imaging assembly includes a symmetric radiographic film having a speed of at least 700 that includes at least two silver halide emulsions on each side of the support that comprise tabular silver halide grains. The emulsions closer to the support comprise a suitable crossover control agent. The imaging assembly also includes a pair of phosphor intensifying screens that have an average screen sharpness measurement (SSM) greater than reference Curve A of FIG. 4. The screens can have a support that includes a reflective substrate comprising a continuous polyester phase and microvoids containing inorganic particles dispersed within the polyester phase.

Abstract: The present invention provides a photothermographic material, comprising a photosensitive silver halide, a non-photosensitive organic solvent salt, a reducing agent for a silver ion, and a binder on one face of a support, for being applied by using an organic solvent, the photothermographic material further comprising at least one compound selected from the group of compounds consisting of: a compound represented by the following general formula (1), a compound having a ?-lactam ring, a compound having a group that is adsorptive to a silver halide and a group that reduces a silver halide and a precursor thereof:

Abstract: Photographic silver halide materials containing an incorporated black-and-white developing agent can be quickly and simply processed using unique processing compositions and methods. In a “two-step” method, the exposed material is contacted with an alkaline activator solution followed by a fixing composition. In a “one-step” method, activation and fixing are combined using a single alkaline activator-fixing composition containing the fixing agent. None of the processing solutions include black-and-white developing agents. The photographic silver halide materials are preferably radiographic silver halide materials that have a reflective support and provide black-and-white images that can be viewed without a light box.

Abstract: The invention provides a photothermographic material having, on both sides of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, which is to be exposed with X-rays using a fluorescent intensifying screen, wherein (1) a coating amount of the photosensitive silver halide per one side is from 0.01 g/m2 to 0.45 g/m2 in terms of silver amount; and (2) a crossover (%) is 30% or more, or when parallel light having the same wavelength as a main emission peak wavelength of the fluorescent intensifying screen is incident perpendicular to the surface of the photothermographic material, the parallel light component of transmitted light comprises 5% or more of the incident light. A photothermographic material for medical use having high sensitivity and high image quality is provided.

Abstract: A photothermographic imaging material including a support; an image forming layer containing an organic silver salt, a photosensitive silver halide, a binder and a silver ion reducing agent, the image forming layer being provided on the support; and a cyan coloring leuco dye.

Abstract: A photothermographic material comprising a support and an image-forming layer, a non-photosensitive intermediate layer A, and an outermost layer provided in this order on at least one side of the support, wherein the image-forming layer comprises a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and at least 50 mass % of a binder in the non-photosensitive intermediate layer A is a polymer latex having a film water absorption of 5 % or lower.

Abstract: A color photographic material which contains on a support at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler, at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, together with customary non-light-sensitive layers, characterized in that at least one layer contains a compound of formula (I) or (II) wherein the R1-radicals and R2-radicals are preferably methyl; and wherein the compounds of formula (II) are preferably (III) R3 is a radical —CH(CH3)—X—D, wherein X is phenylene.

Abstract: A photothermographic material containing a support having on one side of the support a photosensitive layer containing: photosensitive silver halide grains; and a compound represented by Formula (1) or Formula (2): wherein the symbols in Formulas (1) and (2) are indicated in the specification.

Abstract: The present invention provides a silver halide color photographic photosensitive material that includes coupler-containing sensitive emulsion layer units on a support. Each of the photosensitive emulsion layer units are constituted of at least two photosensitive emulsion layers having sensitivities which are different from each other. An emulsion layer of the highest sensitivity among the at least two photosensitive emulsion layers contains at least one silver halide emulsion in which tabular silver halide grains with an average aspect ratio of 3 or more substantially including dislocation lines account for 50% or more of the total projected areas. Photosensitive emulsion layers other than the emulsion layer of the highest sensitivity consist of a silver halide emulsion containing silver halide grains that account for 70% or more of the total projected areas and include host grains that satisfy a specific aspect ratio condition and epitaxially joined protrusions.

Abstract: The invention provides a photothermographic material containing a tabular photosensitive silver halide having an average silver iodide content of 40 mol % or higher, 50% or more of a total projected area of the photosensitive silver halide being occupied by tabular grains having an aspect ratio of 2 or more, the photosensitive silver halide grains having a mean equivalent spherical diameter of from 0.2 ?m to 5 ?m and a variation coefficient of an equivalent spherical diameter distribution of 30% or less. Further, a method for preparing the photosensitive silver halide used in the photothermographic material is characterized in that grains are formed in the presence of at least one selected from a silver halide solvent and an amino group-modified gelatin. A high-sensitivity photothermographic material exhibiting a low fog and a high optical density is provided.

Abstract: Provided are a photothermographic material which includes, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and is X-ray exposed with a fluorescent intensifying screen, wherein (1) the photosensitive silver halide includes tabular grains having a mean aspect ratio of 2 to 100 and a mean equivalent spherical diameter of 0.3 ?m to 10 ?m, (2) an exposure value necessary for obtaining an image density of fog+0.

Abstract: Solid particle dispersions of certain ascorbic acid esters are prepared in the presence of at least 0.5 and less than 50 weight % of a particle growth modifier based on the weight of the ascorbic acid ester. The particle growth modifier is an alkyl carboxylic acid having from 8 to 22 carbon atoms, an alkyl ester of glycerol wherein the alkyl moiety has from 8 to 22 carbon atoms, or a stereoisomer of the ascorbic acid ester. The resulting aqueous solid particle dispersion can be used in various thermally developable materials including thermographic and photothermographic materials.

Abstract: A photothermographic material having an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer on at least one side of a support, in which the binder is a hydrophilic binder, the non-photosensitive layer contains gelatin or a gelatin derivative, the reducing agent is a compound represented by the following formula (R), and at least one compound represented by the following formula (I) or (II) is contained: (wherein in formula (R), R11 and R11? each independently represent an alkyl group and at least one of R11 and R11? is a secondary or tertiary alkyl group); (wherein in the formula (I), Q represents an atomic group necessary for forming a 5 or 6-membered imide ring); and (wherein in the formula (II), R5 independently represents a hydrogen atom or a substituent, r represents 0, 1, 2, 3 or 4, and X represents O, S, Se or N(R6)).

Abstract: A silver salt photothermographic dry imaging material including a support provided thereon a light-sensitive layer containing an organic silver salt, light-sensitive silver halide particles and a reducing agent, wherein the dry imaging material contains organic solid lubricant particles having an average particle diameter of 1 to 30 ?m.

Abstract: A photothermographic material comprising a support, and an image-forming layer and a non-image-forming layer provided on the support, wherein the image-forming layer comprises a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder; the non-image-forming layer includes a slipping agent having a melting point of 80° C. to 120° C.; the coefficient (K1) of dynamic friction measured at a velocity of 0.1 cm/sec and the coefficient (K2) of dynamic friction measured at a velocity of 10 cm/sec have a relation represented by formula (1): Formula (1) 1.20>K1/K2>0.90. Also provided is an image-forming method using the photothermographic material.

Abstract: A green-sensitized black-and-white silver halide negative working photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing tabular silver halide grains, further comprising in said emulsion layer or in a layer adjacent thereto, a heteroatomic sulfinic acid compound, a disulfide compound or a combination thereof, wherein each of said compounds has a solubilizing group having a pKa-value of 10 or less.