Patent application number | Description | Published |
20090001604 | Semiconductor Package and Method for Producing Same - An oxide layer and a metal layer composed of a gold- or platinum-group metal are formed in the stated order on a substrate. A wiring body having a wiring layer, insulating layer, via, and electrode is formed on the metal layer. A semiconductor element is then connected as a flip chip via solder balls on the wiring body electrode, and underfill is introduced between the semiconductor element and the wiring body. Subsequently, a sealing resin layer is formed so as to cover the semiconductor element and the surface of the wiring body on which the semiconductor element is mounted, thus producing a semiconductor package. A high-density, detailed, thin semiconductor package can thereby be realized. | 01-01-2009 |
20090236943 | PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC ELEMENT EMPLOYING IT - The piezoelectric element | 09-24-2009 |
20090243439 | PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC ELEMENT EMPLOYING IT - A piezoelectric ceramic | 10-01-2009 |
20100096947 | PIEZOELECTRIC CERAMIC, VIBRATOR AND ULTRASONIC MOTOR - Provided is a piezoelectric ceramic | 04-22-2010 |
20110017936 | PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC CERAMIC COMPOSITION - A piezoelectric ceramic | 01-27-2011 |
20110148516 | MINUTE CAPACITANCE ELEMENT AND SEMICONDUCTOR DEVICE USING THE SAME - A minute capacitance element has a high accuracy capacitance and is resistant to external noises. The minute capacitance element includes: first and second metal electrodes having respective opposite facets facing each other formed on an insulator layer to define a first gap therebetween; and a shield electrode being connectable to an externally applied potential and formed on the insulator layer within the first gap to define a slit confining a synthetic capacitance. | 06-23-2011 |
20110241483 | PIEZOELECTRIC COMPOSITION, PIEZOELECTRIC CERAMIC, TRANSDUCER, AND ULTRASONIC MOTOR - A piezoelectric composition includes a compound represented by a general expression Bi | 10-06-2011 |
20120019108 | PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC ELEMENT - A piezoelectric ceramic composition including a perovskite-type oxide, wherein the perovskite-type oxide has Na, K, Li, Ba and Sr at the A site and Nb, Ta and Zr at the B site, and has a crystal phase transition in a temperature range of −50 to 150° C., the crystal phase transition being accompanied by an endotherm of no greater than 4 J/g, as well as a piezoelectric element | 01-26-2012 |
20120080636 | PIEZOELECTRIC CERAMIC, PIEZOELECTRIC ELEMENT COMPRISING IT, AND PIEZOELECTRIC DEVICE COMPRISING PIEZOELECTRIC ELEMENT - According to a preferred embodiment, the piezoelectric ceramic includes a complex oxide having the composition represented by formula (1) or (2), and Mn at 0.2-1.2 mass % or 0.2-3 mass %, respectively, in terms of MnCO | 04-05-2012 |
20120116765 | SPEECH PROCESSING DEVICE, METHOD, AND STORAGE MEDIUM - A speech recognition unit ( | 05-10-2012 |
20120310866 | DATA PROCESSING DEVICE, COMPUTER PROGRAM THEREFOR AND DATA PROCESSING METHOD - A plurality of pruning measures (PM) are calculated from a feature amount (CV) of test data (TD) which is input, a plurality of isopycnic surfaces (EC) are plotted and set on a threshold space (SS), a threshold curved surface (SC) in which a decrease in at least one of a plurality of pruning measures (PM) causes an increase in at least one thereof is generated using a portion of one isopycnic surface (EC) as a part, a hypothesis curved surface (HC) of subject data (CD) is generated on the threshold space (SS) to set a position intersecting the threshold curved surface (SC) to a pruning threshold (PS), and a plurality of hypotheses of the subject data (CD) are pruned. Thereby, there is provided a data processing device of which at least one of the recognition speed and the recognition accuracy is higher than in the related art. | 12-06-2012 |
20130132078 | VOICE ACTIVITY SEGMENTATION DEVICE, VOICE ACTIVITY SEGMENTATION METHOD, AND VOICE ACTIVITY SEGMENTATION PROGRAM - Provided is a noise-robust voice activity segmentation device which updates parameters used in the determination of voice-active segments without burdening the user, and also provided are a voice activity segmentation method and a voice activity segmentation program. | 05-23-2013 |
20130144609 | TEXT PROCESSING SYSTEM, TEXT PROCESSING METHOD, AND TEXT PROCESSING PROGRAM - Provided is a text processing system capable of avoiding declining processing efficiency in analyses of text that does not contain breaks. | 06-06-2013 |
20130185068 | SPEECH RECOGNITION DEVICE, SPEECH RECOGNITION METHOD AND PROGRAM - The present invention provides a speech recognition device includes a threshold value candidate generation unit which extracts a feature indicating likeliness of being speech from a temporal sequence of input sound, and generates a plurality of threshold value candidates for discriminating between speech and non-speech; a speech determination unit which, by comparing the feature indicating likeliness of being speech with the plurality of threshold value candidates, determines respective speech sections, and outputs determination information as a result of the determination; a search unit which corrects each of the speech sections represented by the determination information, using a speech model and a non-speech model; and a parameter update unit which estimates a threshold value for determining a speech section, on the basis of distribution profiles of the feature respectively in utterance sections and in non-utterance sections, within each of the corrected speech sections, and makes an update with the threshold value. | 07-18-2013 |
20130320073 | IMPELLER MANUFACTURING METHOD - The present invention relates to an impeller manufacturing method in which a thermal cycle is performed on an assembly body with a brazing material formed of a Ni-containing Au alloy being placed at a bond portion of at least two impeller constituent members. The thermal cycle includes a temperature increasing process with a temperature increasing rate of 20° C./hr. to 100° C./hr., the process including a first intermediate retention and a second intermediate retention each keeping the temperature, the first intermediate retention performed in a temperature range of 500° C. to 850° C. and the second intermediate retention performed in a temperature range of 850° C. to 950° C. (but not including 850° C.). In the thermal cycle, the temperature is increased in a temperature range exceeding 950° C. after the second intermediate retention at a rate lower than that before the second intermediate retention. | 12-05-2013 |
20140311287 | R-T-B BASED SINTERED MAGNET - The present invention provides a permanent magnet with excellent temperature characteristics and without magnetic properties significantly decreased compared to the existing R-T-B based magnet. By means that the R-T-B based magnet as the raw material is applied to heating treatment for a long time, the main phase grains will turn into core-shell like, and said R-T-B based magnet comprises main phase grains having core portion and shell portion that covers the core. When the mass concentration of RI and Y in the core portion is set as αR1 and αY respectively and the mass concentration of R1 and Y in the shell portion is set as βR1 and βY respectively, the ratio (B/A) between the mass concentration ratio of R1 to Y in the shell portion (βR1/βY=B) and the mass concentration ratio of R1 to Y in the core portion (αR1/αY=A) is 1.1 or more. Thus, the decrease of coercivity caused by Y addition is prevented, and the increase effect of temperature characteristics caused by addition of Y will lead to improve the magnetic properties under high temperature. | 10-23-2014 |
20140311290 | R-T-B BASED SINTERED MAGNET - The present invention provides a permanent magnet with a coercivity that will not be significantly decreased and a light weight compared to conventional R-T-B based permanent magnets. A core-shell structure is formed for the major phase grain by adding Cu to the R-T-B based magnet which is the raw material. When the mass concentration of Y in the core portion is set as EY, the mass concentration of Y in the shell portion is set as LY and the mass concentration of Y in the R | 10-23-2014 |
20140311291 | R-T-B BASED SINTERED MAGNET - The present invention provides a permanent magnet with excellent adhesion strength with plated layer and without significant decrease in magnetic properties, compared to the conventional R-T-B based magnet. By means that the R-T-B based magnet as the raw material is applied to heating treatment for a long time, the major phase grains will form core-shell like structures in the R-T-B based magnet in which R1 and Ce are included as an essential of R. When the mass concentration of R1 and Ce in the core portion is set as αR1 and αCe respectively and that of R1 and Ce in the shell portion is set as βR1 and βCe respectively, the ratio (B/A) between the mass concentration ratio of R1 to Ce in the shell portion (βR1/βCe=B) and that of R1 to Ce in the core portion (αR1/αCe=A) is 1.1 or more. | 10-23-2014 |
20150027538 | COMPOUND SEMICONDUCTOR SOLAR BATTERY AND METHOD OF MANUFACTURING LIGHT ABSORPTION LAYER OF COMPOUND SEMICONDUCTOR SOLAR BATTERY - A solar battery capable of increasing conversion efficiency compared with a conventional solar battery using a chalcopyrite p-type light absorption layer. A light absorption layer of the solar battery is a p-type semiconductor layer including Cu, Ga, and an element selected from group VIb elements. A photoluminescence spectrum or a cathode luminescence spectrum obtained from the light absorption layer includes an emission peak with the half-value width of not less than 1 meV and not more than 15 meV. The ratio of the particles with the grain size of not less than 2 μm and not more than 8 μm in a surface of the light absorption layer to the surface area of the entire film is not less than 90%. | 01-29-2015 |
20150294770 | PERMANENT MAGNET AND MOTOR - The present invention provides an R-T-B based permanent magnet, comprising: a main phase which is composed of the structure of R | 10-15-2015 |
20150294771 | PERMANENT MAGNET AND VARIABLE MAGNETIC FLUX MOTOR - The present invention provides a permanent magnet suitable as a variable flux magnet for a variable magnetic flux motor. A permanent magnet comprising R (R is composed of 75 at % or more of Nd and 25 at % or less of at least one element selected from the group consisting of Y, Ce, La, Pr, Sm, Eu, Gd, Er, Tm, Yb and Lu), Fe and B as the main component, wherein, said permanent magnet is composed of a main phase of a crystal structure represented by R | 10-15-2015 |
20150294773 | MAGNET POWDER, BOND MAGNET AND MOTOR - A magnet powder having a composition composed of R (R consists of R1 and R2, R1 represents at least one rare earth element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Er, Tm, Yb and Lu, R2 represents at least one rare earth element selected from the group consisting of Ho and Gd). T (T represents at least one transition metal element containing Fe or the combination of Fe and Co as essential element(s)) and B, wherein, the atomic ratio of R2/(R1×R2) is 0.05 to 0.1, the ratio of R/T is 0.25 to 0.35, and the magnet powder has an average primary particle size of 45 to 100 nm. The present invention also provides a bond magnet using the magnet powder. | 10-15-2015 |
20150318247 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME - A resin electrode capacitor having resin electrodes is used as a chip capacitor mounted so as to bridge between two seating faces of a lead frame. According to this configuration, when stress due to a step difference between the seating faces or stress due to a pressure from mold resin during encapsulation is applied to the chip capacitor, it is the resin electrodes that peel off. Hence, breakage of an element base can be prevented, which can in turn forestall a failure of a semiconductor device. | 11-05-2015 |
20160026409 | STORAGE SYSTEM AND METHOD FOR MIGRATING THE SAME - The present invention provides a storage system capable of performing data migration without stopping the IO access from a host computer, without having to copy data in an external connection storage subsystem to a migration destination storage subsystem. A configuration information of a migration source volume in a migration source storage subsystem is migrated to the migration destination storage subsystem, and during migration, cache memories of the respective subsystems are used to duplicate and store write data from the host computer, and the migration destination storage subsystem reflects the write data to the external connection storage subsystem. Reading of data is also performed by the migration destination storage subsystem. | 01-28-2016 |
Patent application number | Description | Published |
20110005496 | CONTROL APPARATUS FOR A CYLINDER DIRECT-INJECTION INTERNAL COMBUSTION ENGINE - A control apparatus is provided for a four stroke cylinder direct-injection internal combustion engine having a cylinder and a piston disposed within the cylinder. The control apparatus includes a variable compression ratio mechanism for variably controlling the engine compression ratio by changing the top dead center position of the piston and a fuel injection device for injecting fuel directly into the cylinder. When the actual compression ratio of the engine is higher than a target compression ratio, the variable compression ratio mechanism reduces the compression ratio, and in accordance with the reduction in the compression ratio, the fuel injecting device injects an intake fuel injection amount in the intake stroke and a compression fuel injection amount in the compression stroke, and the timing for starting the fuel injection in the compression stroke is retarded. | 01-13-2011 |
20150153688 | FOAMED BODY MOLDING SYSTEM, ROLLER PRODUCED BY FOAMED BODY MOLDING SYSTEM, AND IMAGE FORMING APPARATUS WITH ROLLER PRODUCED BY FOAMED BODY MOLDING SYSTEM - A foamed body molding system includes a side mold to constitute a side surface of a cylindrical cavity, a flange unit including an upper connection member to constitute an upper surface of the cylindrical cavity, a first vent hole to connect the cylindrical cavity with an upper space thereof, and a metal shaft having a diameter smaller than an inner diameter of the cylindrical cavity disposed with its lower end entering the cylindrical cavity and its upper end coaxially held with the cylindrical cavity, an upper cap unit to hold the flange unit including a second vent hole to vent air ejected from the first vent hole, and a lower cap unit including a lower connection member to constitute a lower surface of the cylindrical cavity and a raw molding material introduction cylindrical hole formed at a coaxial position with the cylindrical cavity to introduce raw molding material. | 06-04-2015 |
20150241836 | CONSTRAINING MECHANISM, CLEANING DEVICE, IMAGE CARRIER UNIT, AND IMAGE FORMING APPARATUS - A constraining mechanism includes a porous member that is in contact with a rotating body, which rotates about a rotation axis, and restrains foreign objects from moving in an axial direction of the rotating body and a covering portion that covers a portion of the porous member including an end portion of the porous member located upstream in a direction of rotation of the rotating body and that is in contact with the rotating body as a result of being pressed by the porous member. | 08-27-2015 |
20150253721 | SLIDING MEMBER FOR IMAGE FORMING APPARATUS, CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A sliding member for image formation which is disposed in an image forming apparatus, includes a base material, the entirety of which contains a resin and which further has a carbon-containing region containing carbon, which has an sp3 bond, on a contact side with a contacted member, and in which a region other than the carbon-containing region is formed of an identical material, wherein the sliding member satisfies any one of the requirements of the following (A) and (B): (A) the carbon-containing region configures a contact portion with the contacted member; and (B) the sliding member is provided with a carbon layer which does not contain a resin but contains carbon having an sp3 bond on a surface further on the contact side with the contacted member of the carbon-containing region and configures a contact portion with the contacted member. | 09-10-2015 |
20150261136 | CLEANING DEVICE AND IMAGE FORMING APPARATUS - A cleaning device includes a housing, a cleaning member, soft sealing members, and hard sealing members. The housing has an opening opposite an outer circumferential surface of a belt supported by a roller. The cleaning member closes part of the opening, is in contact with the outer circumferential surface at a portion of the belt supported by the roller, and removes toner adhering to the outer circumferential surface. The soft sealing members are formed of soft elastic bodies, have contact portions in contact with the outer circumferential surface and parts of the longitudinal end portions of the cleaning member. The hard sealing members have respective contact portions in contact with the side surfaces and the outer circumferential surface at the end portions of the belt. The hard sealing members are formed of hard elastic bodies harder than the soft elastic bodies. | 09-17-2015 |
Patent application number | Description | Published |
20130029256 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - The electrophotographic photosensitive member includes a surface layer containing (α), (β) and (γ). | 01-31-2013 |
20130029266 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - The present invention provides a method for producing an electrophotographic photosensitive member including a surface layer, the method including the steps of: forming a coat for the surface layer on the support by applying a surface-layer coating solution and forming the surface layer by drying the coat, wherein the surface-layer coating solution includes a resin α, a resin β, a solvent γ and a compound δ. | 01-31-2013 |
20140062155 | VEHICLE SEAT - There is provided a vehicle seat including: a seat cushion on which an occupant sits, and that supports the buttocks and thighs of the occupant; a rotation portion that is provided at a location on the seat cushion that is contacted by the buttocks of the occupant, and that is capable of rising with respect to a seat face of the seat cushion, then rotating with the seat up-down direction as an axial direction, and descending after rotating. | 03-06-2014 |
20140134525 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - A surface layer of an electrophotographic photosensitive member contains (α) a particular siloxane-modified resin, (β) a particular compound, and a charge transporting substance. (β) is at least one compound selected from the group consisting of hexanol, heptanol, cyclohexanol, benzyl alcohol, ethylene glycol, 1,4-butanediol, 1,5-pentanediol, diethylene glycol, diethylene glycol ethyl methyl ether, ethylene carbonate, propylene carbonate, nitrobenzene, pyrrolidone, N-methylpyrrolidone, methyl benzoate, ethyl benzoate, benzyl acetate, ethyl 3-ethoxypropionate, acetophenone, methyl salicylate, dimethyl phthalate, and sulfolane. | 05-15-2014 |
20140154620 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member includes a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer. The undercoat layer is an electron transporting layer and contains a metal salt of organic acid having at least one metal element selected from Fe, Co, Ni, Cu, and Zn. | 06-05-2014 |
20140205940 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - In an electrophotographic photosensitive member including a support, and a photosensitive layer formed on the support, a surface layer of the electrophotographic photosensitive member includes specific resin (α), resin (β) and compound (γ). | 07-24-2014 |
20140205941 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - The charge transporting layer as the surface layer of an electrophotographic photosensitive member includes a charge transporting substances represented by any one of formulae (1) to (5), a specific compound, and a specific resin (binder resin). The specific compound is hexanol, heptanol, cyclohexanol, benzyl alcohol, ethylene glycol, 1,4-butanediol, 1,5-pentanediol, diethylene glycol, diethylene glycol ethyl methyl ether, ethylene carbonate, propylene carbonate, nitrobenzene, pyrrolidone, N-methylpyrrolidone, methyl benzoate, ethyl benzoate, benzyl acetate, ethyl 3-ethoxypropionate, acetophenone, methyl salicylate, dimethyl phthalate, or sulfolane. | 07-24-2014 |
20140205946 | METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - Provided is a method of producing an electrophotographic photosensitive member including a support and a surface layer formed on the support, the method including the steps of forming a coat of a surface-layer coating solution, and drying the coat to form the surface layer, in which the surface-layer coating solution includes resin α, resin β, solvent γ, and compound δ. | 07-24-2014 |
20140212800 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member, wherein a charge transporting layer is a surface layer, the charge transporting layer contains a specified charge transportable compound and a specified binder resin, and the charge transporting layer satisfies the following expression (4-1). | 07-31-2014 |
20140212806 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for producing an electrophotographic photosensitive member including an undercoat layer includes preparing a coating liquid for an undercoat layer containing zinc oxide particles, a polyol, a blocked isocyanate compound whose isocyanate group is blocked with a specific structure, and a solvent mixture, in which the solvent mixture contains a monohydric alcohol in an amount of 1 chemical equivalent or more based on the specific structure and 90% by mass or less based on the total mass of the solvent mixture, and a ketonic solvent and/or a cyclic ether solvent in an amount of 7% by mass or more based on the total mass of the solvent mixture. | 07-31-2014 |
20140212807 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for producing an electrophotographic photosensitive member having a charge transporting layer, the charge transporting layer being a surface layer, the method including drying a coat of a charge-transporting-layer coating liquid to form the charge transporting layer, wherein the charge-transporting-layer coating liquid contains components (α), (β), (γ) and (δ), and when the solubility of the component (α) in 100 g of the component (γ) is defined as X(g) and the solubility of the component (α) in 100 g of the component (δ) is defined as Y(g), solubility X and solubility Y satisfy a relationship of X>Y. | 07-31-2014 |
20140255838 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - A process cartridge that can suppress production of a banding image attributed to contact rotation of an electrophotographic photosensitive member and a charging member and output a high-quality image is provided. The charging member includes an electro-conductive substrate and an electroconductive resin layer, the resin layer contains a binder, a conductive fine particle, and a bowl-shaped resin particle having an opening, and the surface of the charging member has a concavity derived from the opening of the bowl-shaped resin particle and a protrusion derived from the edge of the opening thereof. The electrophotographic photosensitive member includes a support and a photosensitive layer, and the surface layer in the photosensitive member contains a specific resin (α), a specific resin (β), and a specific compound (γ). | 09-11-2014 |
20140295336 | ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - Uneven charging is improved, and production of a banding image attributed to a slip between the charging member and the electrophotographic photosensitive member is suppressed. An electrophotographic process cartridge including a charging member and an electrophotographic photosensitive member which is electrically charged upon being brought into contact with the charging member, wherein the charging member includes a electro-conductive substrate and a surface layer formed on the electro-conductive substrate; the surface layer contains at least a binder resin, an electron conductive agent, and a resin particle having a plurality of pores inside thereof; the surface of the surface layer has a protrusion derived from the resin particle; the electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support; and the surface layer of the electrophotographic photosensitive member contains a specific component. | 10-02-2014 |
20140308607 | CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - The present invention relates to a charging member. The charging member comprises an electro-conductive substrate and an electro-conductive surface layer, wherein the surface layer includes a binder resin, an electro-conductive particle dispersed in the binder resin, and a resin particle that roughens the surface of the surface layer; the surface layer has a plurality of protrusions each derived from the resin particle in the surface thereof; the resin particle that forms the protrusion has a pore inside thereof; has a porosity Vt of porosity is 2.5% by volume or less as a whole; and has a region whose porosity V11 is from 5% by volume to 20% by volume, wherein the region is farthest away from the electro-conductive substrate in the resin particle, and assuming that the resin particle is a solid particle having no pores, the region corresponds to a 11% by volume-occupying region of the solid particle. | 10-16-2014 |
20150084390 | VEHICLE SEAT - A vehicle seat comprising a seat cushion having a seat cushion main body portion and seat cushion side portions that are disposed on both sides in a seat width direction of the seat cushion main body portion; a seat back having a seat back main body portion and seat back side portions that are disposed on both sides in the seat width direction of the seat back main body portion; and a varying mechanism supporting at least one of the seat cushion main body portion and the seat back main body portion, and varying the position of the seat cushion main body portion in a seat upward and downward direction relative to the seat cushion side portions, and/or varying the position of the seat back main body portion in a seat frontward and rearward direction relative to the seat back side portions. | 03-26-2015 |
20150185639 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND METHOD OF PRODUCING THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS EACH INCLUDING THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - Provided is an electrophotographic photosensitive member capable of suppressing a voltage fluctuation and occurrence of a black spot under a high-temperature/high-humidity environment. The electrophotographic photosensitive member includes: a support; a first intermediate layer formed on the support; a second intermediate layer formed on the first intermediate layer; and a photosensitive layer formed on the second intermediate layer, in which the first intermediate layer contains metal oxide particles having a number-average primary particle diameter of from 30 to 450 nm; and the second intermediate layer contains a cured product of a composition containing an electron transport substance having a polymerizable functional group represented by the formula (1) or (2), and having a molecular weight of from 100 to 1,000, and a crosslinking agent having 3 to 6 groups reactive with the polymerizable functional group represented by the formula (1) or (2), and having a molecular weight of from 200 to 1,300. | 07-02-2015 |
20150241803 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photoconductor has a support medium, an undercoat layer formed immediately on the support medium, and a photosensitive layer formed immediately on the undercoat layer, in which the undercoat layer contains a binding resin and composite particles each containing a core material particle covered with tin oxide doped with a predetermined amount of aluminum. | 08-27-2015 |
20150316865 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - The present invention relates to an electrophotographic photosensitive member including an undercoat layer containing metal oxide particles, a binder resin, and an organic acid metal salt having at least one metal element selected from the group consisting of bismuth, zinc, cobalt, iron, nickel, and copper. | 11-05-2015 |
20160026098 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - Provided is a method for producing an electrophotographic photosensitive member including an undercoat layer, the method including preparing a coating liquid for an undercoat layer containing: a titanium oxide particle; a polyol resin; a blocked isocyanate compound in which a structure represented by the formula (1) or the formula (2) is bonded to an isocyanate group; and a monohydric alcohol represented by the formula (3): | 01-28-2016 |