Abstract:
The object of the present invention is to provide a photothermographic material improved in the aging stability of unprocessed photosensitive material and/or in the image stability after the processing, which is a photothermographic material of the invention comprising a support and on the same surface of the support, a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, wherein the concentration of chloride contained on the same surface is 1,000 ppm or less based on the organic silver salt.
Abstract:
A process for preparing a photothermographic material with increased photosensitivity, the photothermographic material comprising a support and a photo-addressable thermally developable element, exclusive of a compound RnullS(M)n wherein R is an aliphatic hydrocarbon, aryl or heterocyclic group, M is a hydrogen atom, or cation, and letter n is a number determined so as to render the molecule neutral and also exclusive of a compound capable of releasing a mobile dye corresponding to or inversely corresponding to the reduction of silver halide to silver at elevated temperatures, the photo-addressable thermally developable element containing a photosensitive agent in catalytic association with a light-insensitive organic silver salt, a reducing agent for the light-insensitive organic silver salt in thermal working relationship therewith and a binder, comprising the steps of: (i) increasing the photosensitivity of a photosensitive silver halide by chemical sensitisation with a chemical sensitising merocyanine dye containing a thione group in a non-oxidative aqueous medium, optionally in the presence of the light-insensitive organic silver salt, thereby producing the photosensitive agent; (ii) coating the support with one or more aqueous solutions or dispersions together containing the light-insensitive organic silver salt, the photosensitive agent, the reducing agent and the binder; (iii) drying the coating or coatings thereby producing the photo-addressable thermally developable element.
Abstract:
The invention relates to a photographic label comprising a pragmatic polymer sheet, at least one layer comprising at least one image forming layer comprising photosensitive silver halide grains and dye forming coupler above said pragmatic polymer sheet, wherein said at least one image forming layer has an exposure time to obtain a usable Dmax of 1.5 of less than 0.01 seconds, wherein said at least one image forming layer is substantially free of image dye stabilizers, and wherein said polymer sheet has an L* of greater than 95.
Abstract:
A silver halide emulsion is disclosed, comprising silver halide grains, wherein at least 50% of total grain projected area is accounted for by tabular grains having an aspect ratio of 10 to 100 and at least 50% by number of total grains is accounted for by tabular grains having at least 30 dislocation lines per grain in the fringe portion of the grain, and the emulsion contains a compound having a function of permitting injection of at least two electrons into silver halide via photoexcitation by a single photon.
Abstract:
A silver halide emulsion is disclosed, comprising at least one monovalent Au(I) complex coordinated with a compound represented by the following formula (1): R1nullChnullR2 nullnull(1) wherein R1 and R2 each independently represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group, R1 and R2 may combine with each other to form a 3-, 4-, 5-, 6- or 7-membered ring, and Ch represents a sulfur atom, a selenium atom or a tellurium atom.
Abstract:
The present invention is to provide a silver halide photographic light-sensitive material comprising a support having thereon a light-sensitive silver halide emulsion layer comprising a compound represented by Formula, Formula 1ZnullSnullXwherein Z represents a group represented by Formula 1-2; X represents a hydrogen atom or ZnullSnull, 1 wherein A1, A2, A3, A4, and A5 each represent nullNnull, nullN(nullO)null, or nullCR91null, in which R91 represents a substituent, and at least two of A1, A2, A3, A4, and A5 are respectively nullN(nullO)null and nullCR91null.
Abstract:
A silver halide photographic material having high sensitivity, low fog and good shelf life (i.e., storage stability), which comprises at least one kind of merocyanine dye represented by formula (I): 1 wherein Z1 represents an atomic group necessary for forming a naphthoxazole ring, R1 and R2 each represents an unsubstituted or substituted alkyl group, an aryl group or a heterocyclic group, L1, L2, L3 and L4 each represents a methine group, M1 represents a charge neutralizing counter ion, and m1 is a number of 0 or more necessary for neutralizing a charge in a molecule.
Abstract translation:一种具有高灵敏度,低雾度和良好保质期(即储存稳定性)的卤化银照相材料,其包含由式(I)表示的至少一种部花青染料:其中Z1表示形成萘恶唑环所需的原子团 R 1和R 2各自表示未取代或取代的烷基,芳基或杂环基,L1,L2,L3和L4各自表示次甲基,M1表示电荷中和反离子,m1表示0或 对中和分子中的电荷更为必要。
Abstract:
A photothermographic material disclosed, comprising on a support a light sensitive layer containing an organic silver salt, light sensitive silver halide grains and a solvent, wherein the organic silver salt comprises tabular organic silver salt grains exhibiting an average needle ratio of not less than 1.1 and less than 10.0, the light sensitive silver halide grains having been subjected to chemical sensitization.
Abstract:
A photothermographic material is disclosed, comprising a light-insensitive silver salt of an aliphatic carboxylic acid and light-sensitive silver halide grains, a reducing agent for silver ions and a binder, wherein the photothermographic material further comprises a compound represented by the following formula, and the photothermographic material meets the following requirement: SB/SAnull0.2 wherein SA represents a sensitivity obtained when exposed and thermally developed, and SB represents a sensitivity obtained when subjected to a heat treatment at 110null C. for 15 sec., then, exposed and thermally developed 1
Abstract translation:公开了一种光热敏成像材料,其包含脂族羧酸的不敏感银盐和感光卤化银颗粒,用于银离子的还原剂和粘合剂,其中所述光热敏成像材料还包含由下式表示的化合物, 并且光热敏成像材料满足以下要求:SB / SA <= 0.2其中SA表示暴露和热显影时获得的灵敏度,SB表示在110℃下进行15秒热处理时获得的灵敏度, ,暴露和热开发
Abstract:
Provided are a silver halide photographic emulsion containing a metal complex represented by the following formula (I): MmnullIrCln(L1)k(L2)6-n-knullnullnull(I) wherein, M represents a cation or anion, m represents an integer of 0 to 4, n represents an integer of 3 to 5, k represents an integer of 0 to 3, L1 represents a ligand selected from the group consisting of pyrroles, thiophenes, pyrazoles, isoxazoles, isothiazoles, imidazole, oxazoles, furazanes, heterocycles having at least 3 hetero atoms and ureas, L2 represents an inorganic ligand other than Cl with the proviso that when k represents 0, L2 represents none of F, Br, I, NO, H2O, CO and C2O4; and a metal complex represented by the following formula (IV): NknullnullIrX6-nnullQnnullnullnullnull(IV) wherein, N represents a counter cation; X represents a halogen ion; Q represents a compound which contains at least three atoms selected from nitrogen and sulfur atoms, and 5 or less carbon atoms, may contain another atom, and exhibits a ratio of (the number of carbon atoms)/(the total number of nitrogen atomsnulloxygen atomsnullsulfur atoms) of less than 0.5; nnull represents an integer of 1 or 2 and knull represents the number of counter cations necessary for neutralizing the charge of a complex salt.