Konica Corporation

Konishiroku Photo Industry Co., Ltd.

Kunihiro Koshizuka

Takao Abe

Shigehiro Kitamura

Tomonori Kawamura

Tatsuichi Maehashi

Toshiaki Tezuka

Toshihisa Takeyama

Fumio Ishii

Yoshihiro Inaba

Atsushi Nakajima

Masaki Nakamura

Shigeru Mano

Masataka Takimoto

Yuji Hotta

Takashi Sasaki

Masao Asano

Masaru Iwagaki

Hiroshi Watanabe

Ai Katsuda

Harue Ebisawa

Tawara Komamura

Syoji Matsuzaka

Toyoaki Masukawa

Yasuhiko Tanaka

Takaaki Kojima

Yoshitaka Goto

Yumi Matsuzawa

Mutsumi Sekimoto

Tawara Kumamura

An image forming method is disclosed. In the method, an image-forming element comprising a support provided thereon a first layer containing substantially of one or two components selected from three kinds of components, (1) a cobalt (III) complex having an ammonia ligand or a primary amine ligand, (2) a compound capable of being changed in the absorption wavelength thereof by ammonia or primary amine and (3) a compound or a precursor thereof which makes ammonia or primary amine contained in the cobalt (III) complex as a ligand to be easily released from the complex is used, and the method comprises the steps of;

Image forming method

An image forming material is disclosed which comprises a support and provided thereon, an image forming layer containing a colorant, the image forming layer being hardened, wherein an image is formed by imagewise exposing the image forming layer to a high density energy light to reduce an adhesive force between the image forming layer and the support and by removing the exposed portions of the image forming layer of the image forming material.

Image forming material, method of preparing the same and image forming

An IC card in which an IC chip is incorporated between a first and second base boards, comprises an image receiving layer on which an ink image is transferred by a thermal transfer method and a cushion layer provided between the IC chip and the image receiving layer so that the cushion layer smooths irregularity caused by the IC chip and improves a flatness of the image receiving layer.

IC card having image information

A method for treating a thermally transferred image is disclosed. The method comprising the steps of (1) thermally transferring an image from the ink layer of a ink sheet which comprises a support and a ink layer comprising a sublimation dye provided on the support, to the surface of an image receiving layer of a image receiving element which comprises a support and a image receiving layer provided on the support, by means of imagewise heating by a first thermal head, and (2) heating the surface of the image receiving layer having the transferred image by a second thermal head through a plastic film contacted to the surface of the image receiving layer.

Method for treating thermally transferred image

An ID card material comprises a thermal transfer image-receiving layer, and provided thereon, a substrate layer and a writing layer in this order, the substrate layer comprising a biaxially oriented polyester film layer having a thickness of 300 to 500 .mu.m and a resin layer having a thickness of 30 to 500 .mu.m selected from the group consisting of a polyolefin layer, a polyvinyl chloride type resin film layer and an ABS resin film layer.

Material for making identification cards

A thermal transfer recording image receiving sheet which are free from printing unevenness, high in sensitivity and transfer density, and immune from curling is disclosed. The sheet is laminated on a support with a polypropylene layer of 5 to 100 .mu.m in thickness, containing fine white hollow particles.

Thermal transfer recording image receiving sheet

The object of the present invention is to provide a method of simply producing an ID card which can provide the Id card with character information shared by the same kind of ID cards issued in large numbers, and an ID card which offers improved protection of the gradation image formed on the image-receiving layer and which is difficult to forge or alter. The ID card is characterized in that a transparent resin sheet having character information shared by the same kind of ID cards is provided on the surface of an image-receiving layer which has a gradation image and character-information-bearing image and which has been formed on the support. The method of producing an ID card of the present invention is characterized in that a transparent resin sheet having character information shared by the same kind of ID cards is provided by hot stamping in the gradation image forming region of the image-receiving layer which has a gradation image and character-information-bearing image and which has been formed on the support.

ID card and method of its production

Disclosed are an image receiving sheet for thermal transfer recording comprising: a support and an image receiving layer which contains a resin having dyeing affinity for a thermally diffusible dye provided thereon, wherein the support comprises a substrate and a laminated resin sheet which contains porous resin films each having a density in the range of 0.5 to 1.2 g/cm.sup.3 provided on both surfaces of the substrate, and a process for preparing the image receiving sheet for thermal transfer recording, comprising: a step of pasting a substrate and a resin film with an adhesive to produce a laminated resin sheet used as the support.

Image receiving sheet for thermal transfer recording and process for

A heat-transfer recording medium is disclosed, which produces no lowering in transfer density even when the medium is used under such higher-temperature conditions as in a facsimile equipment and is capable of providing an easily readable transferred image having a low surface gloss, as well as having an excellent keep-secrecy and producing few voids. The recording medium comprises a support; a heat-transfer layer, provided on the support, comprising a thermo-fusible substance and a colorant; and a non-transfer layer which is interposed between the support and the transfer layer and comprises a colorant, a thermoplastic polymer selected from the following Group A and a thermoplastic polymer selected from the following Group B:

Heat-transfer image recording medium

Disclosed is an image receiving sheet for thermal transfer recording comprising: a support and an image receiving layer thereon, wherein the image receiving layer comprises an outermost layer being farthest from the support and a layer other than the outermost layer, and a glass transition temperature of a first binder used in the outermost layer is higher than that of a second binder used in the layer adjacent to the outermost layer.

Image receiving sheet for thermal transfer recording

An image receiving sheet used for heat transfer recording is disclosed. The image receiving layer of the sheet contains a vinyl chloride-vinylether copolymer. It is suitable to form images of high densities at a low thermal energy, free from fusion with a heat-transfer-recording ink sheet at the time of heat transfer, and excellent in image preservability.

Image receiving sheet for heat transfer recording

A heat sensitive recording material is disclosed. The material comprises an image receiving layer and a colorant layer, wherein the image receiving layer is adhered to the colorant layer so firmly that the image receiving layer can be separated from the colorant layer with a peeling force of 1 to 1000 g/mm at an angle of 180.degree. after forming an image on the image receiving layer.

Heat sensitive recording material, its manufacturing method and image

An image receiving sheet comprising an image receiving layer. The image receiving layer contains a copolymer layer containing a vinyl chloride-type resin which has an epoxy group in the molecule. It is used to record images by heat-transferring a thermal diffusible dye contained in an ink layer of an ink sheet for heat transfer recording.

Thermal transfer image recording material and a method of its production for an ID card which bears a distinct gradation image with high durabilty without using a laminate film, is disclosed. It is coated with a UV-setting resin and has a UV absorbing layer underneath for protecting the image from discoloring by UV irradiation.

Thermal transfer image recording material and method of its production

An image forming method using a thermal transfer processes and an apparatus used in the method are disclosed. The images were formed on the image receiving layer of a image recording body and includes a gradation information-containing image formed by means of a thermal sublimation transfer method and a character information-containing image formed by means of a thermal fusion transfer method. A trans parent protective layer is transferred from a protective forming thermal transfer sheet to the surface of image receiving layer so as to cover the whole area of the image receiving layer by a hot stamping means. The hot stamping means has a heating roll which has a contacting length longer than the width of said image receiving layer and a peripheral length longer than the length of said image receiving layer.

Growing community of inventors

Hino, Japan

Kunihiro Koshizuka