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JP2019174579A |
To provide an inspection device for an electrophotographic photoreceptor in which accuracy and stability of inspection are improved.An inspection device for an electrophotographic photoreceptor comprises: charging means for charging a su...
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JP2019173147A |
To provide a pressure reducing apparatus capable of suppressing reduction in an apparatus utilization rate due to an oil exchange caused by evacuating atmosphere and a cost increase due to a limitation of a manufacturing method, and a pr...
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JP6588731B2 |
An electrophotographic photosensitive member includes a surface layer with a hexagonal boron nitride dispersed therein. The hexagonal boron nitride has a graphitization index (GI) of at least 3.0 and less than 15.0.
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JP2019168617A |
To provide an image forming apparatus that prevents a reduction in cleaning performance even after image formation is repeatedly performed.An image forming apparatus comprises: an image holding body that has, on its surface, irregulariti...
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JP6583579B1 |
To provide a photoconductor for electrophotographic, a method for producing the same, and an electrophotographic apparatus capable of realizing a stable image with less wear even during long-term use and without occurrence of filming. Th...
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JP6582475B2 |
To provide a charge transport film which inhibits variation in charge mobility even after repeated use in a photoelectric conversion device.A charge transport film contains a polymer formed by polymerizing at least one reactive charge tr...
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JP6583563B2 |
An electrophotographic photoreceptor which, even when mounted on a high-image-quality monochrome high-speed printer or tandem color printer including a cleaner-less process of a non-magnetic single-component contact development system us...
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JP6582901B2 |
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JP6583546B2 |
An electrophotographic photoreceptor (1) is provided with a conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single-layer photosensitive layer. The photosensitive layer (3) contains at least a ch...
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JP6583230B2 |
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JP6582712B2 |
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JP6584177B2 |
An image forming method in which a surface layer of an electrophotographic photosensitive member contains a compound having a specific structure in an amount of 0.1% to 10% by mass based on the total mass of the surface layer, and in a c...
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JP6583232B2 |
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JP6583184B2 |
An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer is a single layer. The photosensitive layer contains a charge generating material, a hole transport materia...
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JP6583242B2 |
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JP6583231B2 |
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JP2019164241A |
To provide a method of manufacturing an electrophotographic photoreceptor using application liquid for a charge transport layer, in which coloration on paint hardly occurs even when the application liquid is stored in a long period of ti...
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JP2019164322A |
To provide a photoelectric conversion device that has characteristics hardly changed by external stimuli, such as temperature change, gas exposure, and humidity change, and is low cost and highly durable.A photoelectric conversion device...
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JP2019164234A |
To provide a toner that can prevent the occurrence of image deletion and the occurrence of fogging, while preventing the occurrence of dielectric breakdown of an image carrier, an image forming apparatus, and an image forming method.A to...
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JP6581487B2 |
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JP6579073B2 |
To provide a polyarylate resin exhibiting excellent filming resistance on an electrophotographic photoreceptor.There is provided a polyarylate resin represented by the formula (1), where Rto Rare each independently H or a methyl group, r...
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JP6579824B2 |
To provide an electrophotographic photoreceptor that has suppressed a potential variation, and a process cartridge and an electrophotographic device including the electrophotographic photoreceptor.There is provided an electrophotographic...
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JP2019157257A |
To provide an exhaust piping for a vacuum treatment apparatus, the exhaust piping being capable of consecutively varying exhaust conductance over a wide range, and an exhaust method using the exhaust piping.An exhaust piping has a main p...
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JP2019159218A |
To provide an electrophotographic photoreceptor that, even when inorganic particles are contained in an outermost surface, can prevent spreading of dots and is excellent in dot reproducibility.An electrophotographic photoreceptor 1 is pr...
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JP6575976B2 |
The present invention relates to: a composition for an organic photoelectronic element comprising at least one type of a first chemical compound represented by chemical formula 1 and at least one type of a second chemical compound repres...
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JP6575144B2 |
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JP2019152699A |
To provide an electrophotographic photoreceptor that suppresses an image flow and further reduces an exposure memory after storage under a high temperature and high humidity environment, and provide a process cartridge and an electrophot...
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JP6574673B2 |
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JP6573364B2 |
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JP2019147989A |
To provide a formation method of a deposition film preventing an image failure such as a white dot by suppressing an adhesion of dust on a substrate surface.A formation method of a deposition film includes: a first step where a treatment...
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JP6570223B2 |
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JP6569484B2 |
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JP6569609B2 |
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JP6569394B2 |
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JP6569808B2 |
This electrophotographic photosensitive body (1) is provided with an electrically conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single layer-type photosensitive layer (3c) including a charge g...
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JP6572060B2 |
An elastic deformation rate of a photoconductor, an additive amount of inorganic fine particles, and a rotary member are set to satisfy a relation of 0.6≤(D/(A×B/C))/(1+E/20)≤0.82, where A is a thickness of fibers of a brush, B is a...
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JP6569260B2 |
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JP6569597B2 |
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JP2019144201A |
To provide a method for measuring a film thickness which can be used to measure the thickness of a third deposition film, using a method for measuring the thickness of an optical interference film, of a multilayer film including a first ...
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JP2019143220A |
To provide a deposit film formation method allowing for inexpensive formation of a deposit film.The deposit film formation method is provided that has a deposit film formation step in which the deposit film is formed on a substrate using...
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JP2019144476A |
To solve the problem in which: when dot-like exfoliation occurs near the surface of a photoreceptor layer of an electrophotographic photoreceptor, an image defect, such as black dots occurs in an image forming apparatus.An electrophotogr...
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JP6565824B2 |
The present invention provides an electrophotographic photosensitive member, a process cartridge, and an image forming apparatus. The electrophotographic photosensitive member comprises a conductive matrix and a photosensitive layer, the...
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JP6565862B2 |
To provide an electrophotographic photoreceptor excellent in anti-fogging properties.An electrophotographic photoreceptor 1 comprises a conductive substrate 2 and a photosensitive layer 3. The photosensitive layer is a monolayer type pho...
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JP6565197B2 |
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JP6565861B2 |
To provide an electrophotographic photoreceptor excellent in anti-fogging properties.An electrophotographic photoreceptor 1 comprises a conductive substrate 2 and a photosensitive layer 3. The photosensitive layer is a monolayer type pho...
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JP2019139021A |
To provide a method of producing an electrophotographic photoreceptor that inhibits coating unevenness and eliminates image density unevenness even when an undercoat layer is formed on a conductive layer.The invention provides a method o...
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JP2019139115A |
To sufficiently prevent an increase in temperature of a photoreceptor drum with a simple configuration.A photoreceptor drum 21 has a multilayer structure in the radial direction seen from the central axis X. First, a photoreceptor layer ...
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JP6561488B2 |
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JP6561926B2 |
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JP6561625B2 |
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