Abstract: Disclosed are a light sensitive planographic printing plate precursor and its processing method, the precursor comprising a hydrophilic support and provided thereon, a photopolymerizable light sensitive layer containing a compound represented by the following formula (1) or (2) and a compound represented by the following formula (3) or (4):

Abstract: A photothermographic light-sensitive material for making a printing plate comprising a support having thereon a light-sensitive layer containing light-sensitive silver halide grains, organic silver salt grains, a reducing agent and a binder, wherein the organic silver salt grain comprises a organic silver salt having 10 or more of carbon atoms and the photothermographic light-sensitive material has an outermost layer at a light-sensitive layer side of the support having a coefficient of water absorption of not less than 0.7%.

Abstract: A heat developable photosensitive material comprising at least two layers is disclosed. The first layer is formed by coating a first coating composition containing the organic silver salt, the photosensitive silver halide, the reducing agent, polymer latex in an amount of at least 30 percent by weight of the first layer at dried state and a solvent, the solvent comprising water in an amount of at least 50 percent by weight of the solvent, and the second layer is formed by coating a second coating composition comprising a polymer latex in an amount of at least 50 percent of the second layer at dried state and a solvent, the solvent comprising water in an amount of at least 60 percent by weight of the solvent, and the second coating composition having a viscosity of from 50 to 1,000 cP at 25 ° C., and the viscosity at 5° C being at least 1.5 times higher than that at 25° C.

Abstract: A processing method of a photothermographic material is disclosed comprising subjecting the photothermographic material to heat development by the use of a thermal processing apparatus, wherein the photothermographic material comprises a support, organic silver salt particles, light sensitive silver halide grains, a reducing agent and a contrast-increasing agent; and after having been subjected to heat development, the photothermographic material exhibits a distortion of not more than 0.03 degree. A thermal processing apparatus for the photothermographic material is also disclosed.

Abstract: A photothermographic material is disclosed, comprising on a suppot an organic silver salt, silver halide grains, a reducing agent, a contrast-increasing agent and a binder, wherein the photothermographic material has a residual organic solvent content of 30 to 500 mg/m2 and exhibits a sensitivity maximum at a wavelength of 350 to 450 nm. an image forming method is also disclosed, comprising exposing the photothermographic material to light using a light source having emission within the wavelength region of 350 to 450 nm.

Abstract: A method for processing a heat developable photothermographic material by the use of an automatic processor is disclosed, wherein the photothermographic material comprises a support, a light sensitive silver halide, an organic silver salt, a reducing agent and a contrast-increasing agent; and in the step of heat-developing, the photothermographic material passes at a transport speed of 22 to 40 mm/sec. through an atmosphere of not less than 117° C. in not less than 10 sec., and further passing, while being brought into contact with the surface of a heating member exhibiting a surface temperature of 90 to 115° C. or in the vicinity of the surface of the heating member.

Abstract: A photothermographic light-sensitive material for making a printing plate comprising a support having thereon a light-sensitive layer containing light-sensitive silver halide grains, organic silver salt grains, a reducing agent and a binder, wherein the organic silver salt grain comprises a organic silver salt having 10 or more of carbon atoms and the photothermographic light-sensitive material has an outermost layer at a light-sensitive layer side of the support having a coefficient of water absorption of not less than 0.7%.

Abstract: A photothermographic material is disclosed, comprising on a support an organic silver salt, silver halide grains, a reducing agent, a contrast-increasing agent and a binder, wherein the photothermographic material has a residual organic solvent content of 30 to 500 mg/m2 and exhibits a sensitivity maximum at a wavelength of 350 to 450 nm. An image forming method is also disclosed, comprising exposing the photothermographic material to light using a light source having emission within the wavelength region of 350 to 450 nm.

Abstract: A heat developable photosensitive material comprising at least two layers is disclosed. The first layer is formed by coating a first coating composition containing the organic silver salt, the photosensitive silver halide, the reducing agent, polymer latex in an amount of at least 30 percent by weight of the first layer at dried state and a solvent, the solvent comprising water in an amount of at least 50 percent by weight of the solvent, and the second layer is formed by coating a second coating composition comprising a polymer latex in an amount of at least 50 percent of the second layer at dried state and a solvent, the solvent comprising water in an amount of at least 60 percent by weight of the solvent, and the second coating composition having a viscosity of from 50 to 1,000 cP at 25 ° C., and the viscosity at 5° C being at least 1.5 times higher than that at 25° C.

Abstract: An image forming method is disclosed, comprising the steps of processing image data or setting an exposure condition so that an image size is enlarged or reduced, imagewise exposing a photothermographic material to laser to form an image enlarged or reduced based on the processed image data or the set exposure condition, and subjecting the exposed photothermographic material to thermal development, in which the photothermographic material comprises an organic silver salt, a photosensitive silver halide, a reducing agent, and a contrast increasing agent or a quaternary onium salt.

Abstract: A thermally developable material comprising a support, an image forming layer containing an organic silver salt, and a component layer provided on the same side as said image forming layer provided, wherein the stiffness (ST) of said thermally developable material under conditions of 23° C. and 50% RH is 30 g≦ST≦80 g.

Abstract: A processing method using an automatic processor is disclosed. The automatic processor is defined in the specification in detail. The processing is carried out employing a fixer having a salt concentration of 0.8 to 1.9 mole/l at a fixer replenisher rate of not more than 260 ml/m.sup.2.

Abstract: A method of processing a silver halide photographic light-sensitive material is disclosed, comprising a support having on one side of the support a silver halide emulsion layer and, on both sides, a hydrophilic colloid layers, the processing method comprising the steps of developing an exposed photographic material, fixing, and washing or stabilizing, wherein at least one layer of the emulsion side contains a compound represented by the following formula; and the layer(s) of each side having a processing water content of 0.5 to 7.0 g per m.sup.

Abstract: A processing method of a silver halide photographic material by using an automatic processor is disclosed, comprising the steps of developing an exposed photographic material with a developing solution in a developing tank, fixing with a fixing solution in a fixing tank and washing with a washing water or a rinsing solution in a washing tank, wherein the washing water or rinsing solution has the number of funguses of 100 or less per ml.

Abstract: An image forming method is disclosed, comprising exposing a silver halide photographic material through a transparent, high definition-screening original and developing the photographic material with a developer to form a halftone dot image, wherein:the photographic material forms a halftone dot image having a dot area of 57% or less when exposed, through the transparent original comprising a halftone dot image having a dot area of 50%, in two times an amount that gives a halftone dot having a dot area of 50%; and the photographic material has a maximum density of 3.0 or more and a contrast of 8.0 or more;and wherein the photographic material is exposed to light having an emission peak at a wavelength of 360 to 450 nm and developed with a developer having a pH of 10.5 or less.

Abstract: A silver halide photgraphic light-sensitive material is disclosed. The light-sensitive material is comprisesa support,a silver halide emulsion layer provided on a surface of said support,an antistatic layer comprising a water-soluble conductive polymer, hydrophobic polymer particles and an epoxy curing agent, which is provided on the surface of said support opposite to the surface on which said emulsion layer is provided, anda hydrophilic colloid layer adjacently provided on said antistatic layer which contains a dye represented by the following Formula I: ##STR1## wherein Qs are independently an aliphatic group or an aromatic group; R is a hydrogen atom, an aliphatic group or an aromatic group; Ms are independently a cation; L is a methine group; n is an integer of 0, 1 or 2; and p is an integer of 1 or 2. The photographic material is improved in antistatic property and inhibited in the color remaining after processing.

Abstract: The improve silver halide photographic material contains a specified hydrazide compound and a specified polyoxyethylene based compound and is capable of providing high-contrast image with high sensitivity in a rapid and consistent way.