Patent application number | Description | Published |
20090126869 | WELDING METHOD AND WELDING APPARATUS FOR RESIN MEMBER - A welding method and welding apparatus for resin members is provided in which dimensional accuracy of two resin members after welding can be secured and reduction in joining strength due to excessive laser irradiation can be prevented. In a method of superimposing a resin having a laser-transmitting property and a resin having laser absorptiveness and irradiating the resin members with a laser beam from the side of the laser-transmitting resin member to deposit the resin members on each other, irradiation with the laser beam is ended in accordance with reduction in the approaching speed of the two resin members during the irradiation with the laser beam. | 05-21-2009 |
20120294330 | TEMPERATURE SENSOR - A temperature sensor is provided that can easily make possible stuffing with the filler or burying of the temperature detector element so that faster temperature response can be achieved. A temperature sensor has a closed-bottom tubular shaped case, a temperature detector element inserted and accommodated in the case, and a filler filled in the case and sealing the temperature detector element. The temperature sensor is provided with a filler flowing portion formed in a relative gap between the case and the temperature detector element along an insertion direction of the temperature detector element and having a gap relative to the temperature detector element larger than that relative to the remainder portion of the gap. | 11-22-2012 |
20140037914 | RESIN WELDED BODY AND METHOD FOR MANUFACTURING THE SAME - A X-Y plane is a plane parallel to abutting surfaces on which a joining portion is formed, and a Z direction is a direction perpendicular to the X-Y plane. A sealing member is held between the outer circumference side of a guide provided on a lid body and the inner circumference side of a rib provided on a case, and is pressed in a direction parallel to the X-Y plane. Laser light is scanned on the inner circumference side with respect to a ring-shaped pressurization jig with a stopper pressurized by the pressurization jig, so the pressurization jig does not break the path of the laser light. This expands the range of options in the material for the pressurization jig, which enables an easy-maintenance jig to be used, improving productivity. | 02-06-2014 |
Patent application number | Description | Published |
20130316276 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PRODUCTION METHOD THEREOF, AND ELECTROPHOTOGRAPHIC DEVICE - An electrophotographic photoconductor including, in the order recited: a conductive substrate; an undercoat layer provided on the conductive substrate; and a photoconductive layer provided on the undercoat layer and containing at least a phthalocyanine compound as a charge generation material and, as a resin binder, a polyvinyl acetal resin composed of a repeating unit represented by formula (1): | 11-28-2013 |
20140199619 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR MANUFACTURING SAME, AND ELECTROPHOTOGRAPHIC APPARATUS USING SAME - A layered, positively-charged electrophotographic photoreceptor, a method for manufacturing the photoreceptor and an electrophotographic apparatus using the photoreceptor are disclosed. The layered, positively-charged electrophotographic photoreceptor includes a conductive support on which is provided a sequential stack composed of a charge transport layer containing at least a first hole transport material and a first binder resin; and a charge generation layer containing at least a charge generation material, a second hole transport material, an electron transport material, and a second binder resin, wherein the charge generation layer and the charge transport layer have a total amount of residual solvents that is 50 μg/cm | 07-17-2014 |
Patent application number | Description | Published |
20110091799 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND MANUFACTURING METHOD THEREFOR - In an electrophotographic photoreceptor having a photosensitive layer on an electroconductive substrate, the photosensitive layer is a positive-charging laminate comprising at least a charge transport layer and a charge generating layer laminated in that order, with the charge generating layer containing at least a resin binder, a charge generating agent, a space filler and an electron transport agent, while the charge transport layer contains at least, as a resin binder, polystyrene and a hole transport agent, and mineral oil of the charge transport layer is in an amount of 1% by mass or less of an amount of polystyrene. Thus, a highly durable and economic positive-charging multilayer electrophotographic photoreceptor and a manufacturing method therefor may be achieved. | 04-21-2011 |
20110183246 | NOVEL ETHYLENE COMPOUND, CHARGE TRANSPORT MATERIAL CONTAINING ETHYLENE COMPOUND, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CONTAINING ETHYLENE COMPOUND, AND PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTORECEPTOR - An ethylene compound having general formula (I) below: | 07-28-2011 |
20110189603 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND MANUFACTURING METHOD THEREOF - Electrophotographic photoconductor including a conductive substrate; and a photosensitive layer provided on the conductive substrate and including at least a charge generation material; a charge transport material; and a resin binder including a copolymer polyarylate resin represented by general formula (I) below: | 08-04-2011 |
20110244381 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, MANUFACTURING METHOD THEREOF, AND ELECTROPHOTOGRAPHIC DEVICE - Provided is an electrophotographic photoconductor that has good coating solution stability and metal oxide dispersibility, is free of image defects including ground fogging and black spots, and affords good image characteristics in various environments, as well as a manufacturing method therefore and a device including the same. The electrophotographic photoconductor includes a conductive substrate; an undercoat layer; and a photosensitive layer. The undercoat layer contains, as a main component, a resin obtained by polymerizing, as starting materials, an aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid having 8 or more carbon atoms, and at least one diamine having a cycloalkane structure, and further contains a metal oxide. The aromatic dicarboxylic acid in the resin is present in an amount that ranges from 0.1 to 10 mol %, and the resin has an acid value and a base value that are each no greater than 10 KOH mg/g. | 10-06-2011 |
20120003574 | ELECTROPHOTOGRAPHY PHOTORECEPTOR, METHOD OF MANUFACTURING THE SAME, AND ELECTROPHOTOGRAPHY DEVICE USING THE SAME - A positive-charging electrophotography photoreceptor includes a laminated structure having a conductive supporting member, a charge transport layer formed of at least a hole transport material and a first binder resin, and a charge generation layer formed of at least a charge generation material, hole transport material, electron transport material, and second binder resin. The charge transport layer is disposed between the conductive supporting member and the charge generation layer. The content of the charge generation material in the charge generation layer is in a range exceeding 0.7 wt % and less than 3.0 wt % of the charge generation layer. | 01-05-2012 |
20120034556 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS FOR PRODUCING THE ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND ELECTROPHOTOGRAPHIC DEVICE - An electrophotographic photoreceptor includes an electroconductive substrate; an undercoat layer provided on the electroconductive substrate and composed of: metal oxide fine particles including particles of at least one metal oxide and at least one organic compound provided on the particles of the at least one metal oxide as a surface treatment; and a copolymer resin synthesized by copolymerization of essential constituent monomers composed of a dicarboxylic acid, a diol, a triol and a diamine; and a photosensitive layer laminated on the undercoat layer. The undercoat layer permits (a) attaining stable electric potential characteristics in all environments ranging from low temperature and low humidity environments to high temperature and high humidity environments, (b) suppressing the occurrence of printing defects and density differences, and (c) simultaneously attaining transfer restorability and restorability from intense light-induced fatigue even in a wide variety of usages and operation environments. | 02-09-2012 |
20120058422 | PHOTORECEPTOR FOR ELECTROPHOTOGRAPHY, PROCESS FOR PRODUCING THE SAME, AND ELECTROPHOTOGRAPHIC APPARATUS - Provided is a photoreceptor for electrophotography, a process for producing the photoreceptor, and an electrophotographic apparatus that includes the photoreceptor. The photoreceptor has a photosensitive layer which contains a resin binder that is a copolymerized polyallylate resin. An electrophotographic apparatus having a photoreceptor drum that includes this photoreceptor has a reduced surface frictional resistance throughout the printing period from the beginning to after printing, thus reducing the amount of surface wear while producing satisfactory images. | 03-08-2012 |
Patent application number | Description | Published |
20080210554 | Method for treating the surface of object and apparatus thereof - An apparatus for treating the surface of an object to be treated comprising introducing a surface treatment fluid into a reaction vessel ( | 09-04-2008 |
20100000872 | ELECTROPLATING METHOD - The surface of a metal base is electroplated by utilizing an induction codeposition phenomenon using at least one of carbon dioxide and inert gas, an electroplating liquid containing a metal powder dispersed therein, and a surfactant in a supercritical state or a subcritical state. The concentration of the metal in the electroplating liquid is in a saturated or supersaturated state. Accordingly, the dissolution speed of the metal base can be suppressed, and, at the same time, a plating layer having a smooth surface can be formed in a short time by utilizing an induction codeposition phenomenon. The electroplating method can be applied even when the metal base is formed of a metallic thin film provided on a surface of an insulating film provided on the substrate, or even when the metal is copper, zinc, iron, nickel, or cobalt. The above constitution can provide an electroplating method which, in electroplating on the surface of a metal base, can prevent the dissolution of the metal base to realize normal electroplating even in the case of a very thin metal base. | 01-07-2010 |
20100092661 | ELECTROLESS PLATING METHOD - This invention provides an electroless plating method comprising electrolessly plating the surface of a metal base sample using a supercritical fluid or a subcritical fluid in such a state that a metal powder is dispersed in an electroless plating liquid. According to this method, a homogeneous and thick plating layer is formed in a short time by taking advantage of an induction eutectoid phenomenon. In the electroless plating method, the metal powder may have an average particle diameter of not less than 1 nm and not more than 100 &mgr;m, and the electroless plating method may also be applied to a damascene process or a dual damascene process which is a method for forming a fine metal wiring within a semiconductor element. The above constitution can provide an electroless plating method which can realize the formation of an even film by electroless plating in a short time using a subcritical fluid or a supercritical fluid by taking advantage of an induction eutectoid phenomenon. | 04-15-2010 |
20120196743 | OXIDATION CATALYST, REDUCTION CATALYST, AND CATALYST FOR PURGING EXHAUST GAS - An oxidation catalyst containing a carbon material prepared by calcining a transition metal compound and a nitrogen-containing organic substance, or a transition metal compound, a nitrogen-containing organic substance, and a carbon compound not containing nitrogen, the oxidation catalyst oxidizing CO and/or a hydrocarbon. | 08-02-2012 |
20120220451 | OXIDATION CATALYST, ABSORBENT, AND MATERIAL FOR PURGING HARMFUL SUBSTANCES - An oxidation catalyst, comprising a carbon material prepared by calcining a transition metal compound and a nitrogen-containing organic substance, or a transition metal compound, a nitrogen-containing organic substance, and a carbon compound not containing nitrogen, the oxidation catalyst oxidizing at least one target substance selected from the group consisting of NO, CO, NH | 08-30-2012 |