Fuji Photo Film Company, Limited

Fujifilm Corporation

Fuji Xerox Co., Ltd.

Kazuhito Miyake

Akira Hatakeyama

Mitsuru Yamamoto

Hideyuki Nakamura

Naotaka Wachi

Akihiro Shimomura

Yasutomo Goto

Shinichi Yoshinari

Ashita Murai

Takeshi Konno

Shigeki Kawagoe

Hiroaki Nakamura

Eiichi Kito

Kenichi Saito

Shigehisa Tamagawa

Junichi Fujimori

Hiroshige Nakamura

Yoichi Nakamura

Yoshio Tani

Hidekazu Sakai

Ryuichi Katsumoto

Tetsunori Matsushita

Hiroshi Ishizuka

Sadao Okano

Shigeru Shibayama

Shinji Fujimoto

Hiroshi Nagate

Shuji Kanayama

Kenichi Yamamoto

Kosaku Yoshimura

A silver halide photographic light-sensitive material for movie, having a specific layer structure by using particles of at least one kind of electroconductive metal oxide and at least one kind of an electroconductive polymer.

Silver halide photographic light-sensitive material for movie

A black ink composition that contains metal particles having a silver tin alloy region as its colorant.

Black ink composition, inkjet-recording method, recorded material, and black dispersion

An object of the present invention is to provide a support for image recording material, which can record high quality images without causing blister, unevenness of recording and unevenness of fixation; various image recording materials using the support for image recording material; and an image recording method. Therefore, the present invention provides a support for image recording material, comprising a base paper and at least one polyolefin resin layer formed on both surfaces of the base paper, wherein a front surface polyolefin resin layer at the side of the polyolefin resin layer, on which an image recording layer is formed, is composed of two or more layers, and an average density of an outermost front surface polyolefin resin layer, which is located farthest from the base paper, is less than that of at least any front surface polyolefin resin layers other than the outermost front surface polyolefin resin layer.

Support for image recording material, image recording material, and image recording method

An image forming apparatus includes a forming unit configured to form a latent electrostatic image on a latent electrostatic image bearing member based on a digital image; a developing unit configured to develop the latent electrostatic image with a toner to form a visible image; a transferring unit configured to transfer the visible image to one of an electrophotographic image receiving roll and an electrophotographic image receiving sheet; and a smoothing and fixing unit configured to smooth and fix the transferred image on one of the electrophotographic image receiving roll and the electrophotographic image receiving sheet to thereby form a series of electrophotographic prints and an electrophotographic print. In the apparatus, the hardware including the media, printer and unit for aftertreatment optimally matches with the toner, and the apparatus can produce high-quality images equal to silver-halide photographs.

Image forming apparatus, image forming system, and electrophotographic print

An image recording sheet used in electrophotographic imaging which comprises a paper sheet substrate coated with an image recording layer that takes on a probe penetration depth of 0.33 &#x3bc;m or greater for a change in prove temperature from 50&#xb0; to 150&#xb0; C. when measuring the probe penetration depth on a scanning type thermal microscope having a thermal probe operative as both heater and position sensor that is made of a Pt alloy containing 10% of Rh and has a cantilever spring constant of 1 N/m, a diameter of 6 &#x3bc;m and a curvature radius of 5 &#x3bc;m at an extreme end thereof under a condition that the thermal prove is changed in temperature at a programming rate of 15&#xb0; C./sec within a programmed range of from a room temperature to 200&#xb0; C. under a load (weight)+20 nA in 4-split T-B (Top-Bottom) value.

Image recording media and image recording method

It is intended to provide a multicolor image forming material for recording an image by irradiation with laser light comprising an image receiving sheet having an image receiving layer and at least four heat transfer sheets having a light-heat conversion layer and an image forming layer, wherein the light-heat conversion layer contains a polyamide-imide of a specific structure and a cyanine colorant of a specific structure. It is further intended to provide a multiple color image forming material wherein the difference in the visible light range between the reflectance of the image forming layer of each heat transfer sheet before the irradiation with laser light and recording of an image and the reflectance of the image forming layer transferred to the image receiving layer of the image receiving sheet due to the irradiation with laser light is 10% or less, and a multiple color image forming material wherein the color difference between the color hue of the image forming layer of each heat transfer sheet immediately after the transfer to the image forming layer of the image forming sheet due to the irradiation with laser light and before exposure and the color hue thereof after exposure does not exceed 2.

Multicolor image forming material

A multicolor image forming material in which a laser beam irradiated region of an image forming layer of a thermal transfer sheet is transferred onto an image receiving layer of an image receiving sheet, wherein: (a) a rate of heat shrinkage in the machine direction and a rate of heat shrinkage in the traverse direction of the image receiving sheet are both not more than 1% with the rate of heat shrinkage in the traverse direction being smaller than the rate of heat shrinkage in the machine direction, (b) a coefficient of dynamic friction between the thermal transfer sheet surface and the image receiving sheet surface is not more than 0.70, (c) a stiffness in the machine direction (Msh) and a stiffness in the traverse direction (Tsh) of the thermal transfer sheet are both from 30 to 70 g, a stiffness in the machine direction (Msr) and in the traverse direction (Tsr) of the image receiving sheet are both from 40 to 90 g, Msh/Tsh and Msr/Tsr are each from 0.75 to 1.20 and (Msr&#x2212;Msh) and (Tsr&#x2212;Tsh) are each from 10 g to 40 g or (d) at least the magenta thermal transfer sheet has a breaking stress from 150 to 300 MPa in both machine (MD) and crosswise (CD) directions with the breaking stress in the crosswise direction being at least 10 MPa larger than in the machine direction and a breaking elongation of from 80 to 300% in both machine and crosswise directions with the breaking elongation in the machine direction being at least 5 % larger than in the crosswise direction.

Multi-color image forming material and multi-color image forming method

A multicolor image-forming material comprising: an image-receiving sheet comprising a support and an image-receiving layer; and at least four (yellow, magenta, cyan, black and the like) thermal transfer sheets each comprising a support, a light-to-heat converting layer and an image-forming layer, wherein image-recording is performed by the method comprising superposing each one of the at least four thermal transfer sheets on the image-receiving sheet to be in a state of the image-forming layer being in contact with the image-receiving layer; and irradiating the thermal transfer sheet with laser beams in two-dimensional array to transfer an image in an area of the image-forming layer subjected to irradiation onto the image-receiving layer, and a recording area of a multicolor image in each of the thermal transfer sheets is a size of 515 mm&#xd7;728 mm or more, a resolution of the transferred image is 2,400 dpi or more, and each of the light-to-heat converting layers comprises from 1 to 20% by weight of a substance which is liquid at 30&#xb0; C.

Multicolor image-forming material and multicolor image-forming method

In the image forming process of the present invention wherein a toner is fixed on an electrophotographic image-receiving sheet using a belt fixing and smoothing device, the relationship among the temperature of a heating and fixing roller, the melting point of a toner wax, and the glass transition point of a toner binder, the relationship among the temperature of a heating and fixing roller, the melting point of a wax in the image-receiving layer, and the glass transition point of a binder in the image-receiving layer, and the relationship between the polar components of surface free energy of the toner-image-receiving layer before and after image fixing are optimized. The present invention is to prevent offset in the toner and the toner-image-receiving layer of the electrophotographic image-receiving sheet upon releasing of the belt and to avoid deterioration in image quality especially in operation over the long run.

Image forming process and image forming apparatus

A multicolor image-forming material comprising: an image-receiving sheet comprising an image-receiving layer; and at least four thermal transfer sheets each comprising a support, a photothermal converting layer and an image-forming layer, and each having a different color, wherein an image is formed by the method comprising the steps of: superposing each one of the at least four thermal transfer sheets on the image-receiving sheet to be in a state of the image-forming layer being in contact with the image-receiving layer; and irradiating the thermal transfer sheet with a laser beam to transfer an image in an area of the image-forming layer subjected to irradiation onto the image-receiving layer, and a ratio of the reflection optical density (OD) of the image-forming layer to a thickness of the image-forming layer (&#x3bc;m unit) is 1.50 or more to 1, and a contact angle in relation to water of the image-forming layer and the image-receiving layer is from 7.0 to 120.0&#xb0;.

Multicolor image-forming material

A multicolor image-forming material comprises: an image-receiving sheet having an image-receiving layer; and at least four thermal transfer sheets each including a support, a light-to-heat converting layer and an image-forming layer, in which each of the thermal transfer sheets has a different color, wherein an image is formed by: superposing the image-forming layer in each of the at least four thermal transfer sheets on the image-receiving layer in the image-receiving sheet, in which the image-forming layer is opposed to the image-receiving layer; irradiating the image-forming layer in the thermal transfer sheet with a laser beam; and transferring the irradiated area of the image-forming layer onto the image-receiving layer in the image-receiving sheet, and each of the light-to-heat converting layers in the at least four thermal transfer sheets has a ratio of an optical density (OD) to a layer thickness: OD/layer thickness (&mgr;m unit) of 0.57 or more.

Multicolor image-forming material and method for forming multicolor image

Heat transfer sheet and light-heat-conversion type image-forming material

It is an object of the present invention to provide a thermal transfer material which has an image forming layer of low fusible viscosity, which has an excellent transferring sensitivity, which is able to form a high quality image, and in which leakage of a thermally fusible substance is not caused so that there is hardly any contamination of hardware such as an image forming device by the thermally fusible substance. Such an object is accomplished by providing a thermal transfer material having a support, and on the support, an image forming layer which contains a pigment, at least one thermally fusible substance, and at least one resin, in which given that a weight ratio of one thermally fusible substance i to one resin j is b (weight of the thermally fusible substance i/weight of the resin j), and an absolute value of a difference between solubility parameter (SP) values of the thermally fusible substance i and the resin j is a (absolute value of (SP value of the thermally fusible substance i)&minus;(SP value of the resin j)), then b <(0.03/a ).

Thermal transfer material and image forming material using the same

To provide a thermal transfer sheet which is not affected by the illumination light source even in comparison with the pigment coloring material or printed matter and upon transfer of the coloring material thin film, ensures excellent sharpness of halftone dots, good sensitivity, reduced film fogging and very stable transfer releasability. A thermal transfer sheet comprising a support having provided thereon at least a light-to-heat conversion layer containing a light-to-heat conversion substance, and an image forming layer in this order, wherein the absolute value of the difference in the solubility parameter (SP values) obtained by the Okitsu' method between the binder in the image forming layer and the binder contained in the underlying layer thereof is 1.5 or more.

Thermal transfer sheet

A method for forming an image using a transfer material and an image-receiving material. The transfer material has at least a support, a light-heat exchange layer and a coloring material layer. The image-receiving material has at least an image-receiving layer. The coloring material layer is superposed on the image-receiving layer, and laser light is imagewasely irradiated onto this laminate from the transfer material side. An irradiated region of the coloring material layer transfers onto the image-receiving layer. The transfer material may include an electroconductive layer, and the surface of the coloring material layer may be charged by corona discharge before superposition. Moreover, yellow, magenta, cyan and black may be used one after another, The laser light may be irradiated from a multi-beam 2-dimensional laser array, The thickness of black coloring material layer is from 0.5 to 0.7 &mgr;m and is greater than the thickness of other coloring material layers.

Growing community of inventors

Shizuoka, Japan

Kazuhito Miyake