Abstract:
A method of forming an image comprising the steps of: (a) irradiating an silver salt photothermographic material with a laser beam emitted by a scanning exposing device in a laser imager, provided that the scanning exposing device comprises a laser diode, a polygon mirror, and an imaging lens made of a resin; and (b) developing the irradiated silver salt photothermographic material to obtain an image by applying heat, wherein the silver salt photothermographic material comprises a first radiation absorbing compound on a side of the support which is provided with the photosensitive layer, provided that a total absorbance of the first radiation absorbing compound is from 0.3 to 1.00 at an irradiation wavelength; and a second radiation absorbing compound on a side of the support opposite the photosensitive layer, provided that a total absorbance of the second radiation absorbing compound is from 0.20 to 1.50 at an irradiation wavelength.
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. The photosensitive silver halide contains silver halide grains having a mean particle size of 10 to 50 nm, and the silver ion reducing agent is a compound represented by the following Formula (A-3)
Abstract:
An image forming method of a photothermographic material comprising a light-sensitive layer containing an organic silver salt, photosensitive silver halide grains and a reducing agent and a light-insensitive layer is disclosed, comprising exposing and thermally developing the photothermographic material using a laser imager, wherein a total thickness of the light-sensitive layer and the light-insensitive layer is from 10 to 20 μm and at least one of the constituent layers contains a compound capable of forming a dye image upon thermal development; the laser imager comprises a developing section having a path length (1) and a cooling section having a path length (2), a ratio of the path length (2) to the path length (1) is not more than 1.5, and the cooling section having a function of conveying the photothermographic material sent from the developing section while cooling the photothermographic material.
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. The photosensitive silver halide contains silver halide grains having a mean particle size of 10 to 50 nm, and the silver ion reducing agent is a compound represented by the following Formula (A-3).
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. The photosensitive silver halide contains silver halide grains having a mean particle size of 10 to 50 nm, and the silver ion reducing agent is a compound represented by the following Formula (A-3)
Abstract:
An image forming method is disclosed, comprising imagewise exposing a photothermographic material comprising on a support a light-sensitive layer containing an organic silver salt, silver halide, a binder and a reducing agent and a light-insensitive layer and subjecting the photothermographic material to thermal development while transporting it at a rate of 20 to 200 mm/sec, wherein the light-sensitive layer contains a silver saving agent and the total thickness of the light-sensitive layer and the light-insensitive layer being 10 to 20 μm.
Abstract:
A silver salt photothermographic dry imaging material including non-photosensitive aliphatic carboxylic acid silver salts; a photosensitive emulsion containing photosensitive silver halide grains; a silver ion reducing agent; a binder; and a cyan coloring leuco dye. A percentage of the photosensitive silver halide grains having a mean particle size of 0.01 or more μm and 0.04 μm or less is 5% or more by mass and 50% or less by mass of total photosensitive silver halide grains by conversion into a silver amount.
Abstract:
A method of forming an image using a photothermographic material containing a support having thereon an image forming layer which contains an organic silver salt, silver halide grains, a binder and a reducing agent, the method including the steps of: imagewise exposing the photothermographic material to light to form a latent image; and simultaneously or sequentially heating the exposed photothermographic material to develop the latent image, wherein at least two matting agents are contained on one surface of the support, and an average particle size LA of Matting agent A and an average particle size LB of Matting agent B satisfy the following relationship: 1.5≦LB/LA≦6.0, provided that Matting agent A is the matting agent having a largest weight ratio; and Matting agent B is the matting agent having a second largest weight ratio.
Abstract:
A photothermographic imaging material including a support having thereon an image forming layer containing light-insensitive organic silver salt grains, photosensitive silver halide grains, a reducing agent for silver ions and a binder, wherein: (i) each of the photosensitive silver halide grains produces a larger number of latent images in a surface portion of the grain than in an inner portion of the grain by exposure to light; (ii) each of the photosensitive silver halide grains produces a larger number of latent images in the inner portion of the grain than in the surface portion of the grain after being subjected to a thermal development; (iii) a surface photographic speed of each of the photosensitive silver halide grains decreases after being subjected to the thermal development; and (iv) the photothermographic imaging material contains a reducible silver salt compound represented by Formula (I) described in the specification.
Abstract:
A magnetic recording medium is disclosed. The medium comprises a non-magnetic support and, provided thereon, plural magnetic layers comprising the uppermost magnetic layer having a thickness of 1.5 .mu.m or less and lower magnetic layers, said plural magnetic layers containing a ferromagnetic powder, a binder and a lubricant, wherein a dynamic friction coefficient of the uppermost layer against a metal pin is 0.25 or less under the condition of a temperature of 20.degree. C. and a relative humidity of 60%, and 0.20 or less under the condition of a temperature of 40.degree. C. and a relative humidity of 20%.