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JP2019202266A |
To provide a dispersion method that disperses dispersed fluid containing a dispersive medium and a filler by using a ball mill to preferably disperse the filler, thereby obtaining dispersed fluid that is excellent in temporal storage sta...
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JP6610564B2 |
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JP6611472B2 |
The present invention provides: an electrophotographic photosensitive member which reduces image defects due to ghosting not only under a normal temperature and normal humidity environment but also even under a low temperature and low hu...
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JP6610332B2 |
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JP6611479B2 |
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JP6609951B2 |
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JP6610190B2 |
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JP6610306B2 |
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JP6613090B2 |
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JP2019199635A |
To provide a deposition film forming apparatus capable forming a high-quality deposition film excellent in uniformity of film thickness and film characteristics and at the same time increasing the productivity.The deposition film forming...
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JP6609116B2 |
The present invention provides: an electrophotographic photosensitive member which reduces image defects due to ghosting not only under a normal temperature and normal humidity environment but also even under a low temperature and low hu...
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JP2019197092A |
To provide an electrophotographic photoreceptor which excellently suppresses image deletion.An electrophotographic photoreceptor having a substrate and a photosensitive layer formed on the substrate has a surface layer containing: a poly...
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JP2019197188A |
To provide an electrophotographic photoreceptor that can reduce the occurrence of dents in an inorganic protective layer.An electrophotographic photoreceptor comprises: a conductive substrate; an undercoat layer provided on the conductiv...
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JP6604429B2 |
Provided is a quinone derivative represented by general formula (1). In general formula (1), R1 represents a group selected from the group consisting of an optionally substituted alkyl group having 1-8 carbon atoms, an aryl group that ha...
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JPWO2018116960A1 |
A polycarbonate copolymer having a repeating unit A containing a group represented by the following general formula (1A). In general formula (1A), Ar1And Ar2Independently indicate a 1-2 valent aromatic group or a 1-2 valent aliphatic gro...
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JP2019194684A |
To provide an electrophotographic device excellent in leak resistance.An electrophotographic device includes an electrophotographic photoreceptor, a charging roller arranged in contact with the electrophotographic photoreceptor, and char...
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JP6601557B2 |
An electrophotographic photosensitive member (1) includes a conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single-layer photosensitive layer containing at least a charge generating material, an...
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JP6601239B2 |
wherein A represents a linking group having a molecular weight of 100 or more and 400 or less, B represents a radically polymerizable functional group, l represents an integer of 2 or more, and m and n each represent an integer of 0 or m...
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JP6603555B2 |
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JP2019189555A |
To provide a compound that improves sensitivity properties of an electrophotographic photoreceptor and inhibits crystallization.A compound is represented by general formula (1). In general formula (1), Rand Rindependently represent a hyd...
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JP2019189892A |
To provide a deposition film formation method capable of improving productivity, while reducing characteristic dispersion of a product, even at a re-utilization time after performing device maintenance.In a deposition film formation meth...
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JP2019189911A |
To provide a substrate treatment apparatus capable of supplying a low-cost product, by suppressing decline of an operation rate of the device, and increase of production cost caused by replacement of a component.In a substrate treatment ...
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JP2019191366A |
To provide an electrophotographic photoreceptor that prevents the occurrence of density unevenness and ghost.An electrophotographic photoreceptor comprises: a conductive substrate; and a photosensitive layer that is provided on the condu...
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JP2019191414A |
To provide a compound that can improve the sensitivity characteristics of an electrophotographic photoreceptor.A compound is represented by the general formula (1). In the general formula (1), Reach independently represents an alkyl grou...
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JP2019191506A |
To provide an electrophotographic photoreceptor capable of sufficiently suppressing occurrence of an interference fringe in an output image.An electrophotographic photoreceptor having a support, an undercoat layer formed on the support a...
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JP2019191357A |
To solve the problem in which: when a substrate is installed inside a reaction vessel by using a mechanical conveying mechanism, the substrate may not be installed at a normal position, and a desired film may not be formed.A conveying st...
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JP2019191398A |
To provide an electrophotographic photoreceptor that can stably maintain a high print quality, and an image forming apparatus using the same.An electrophotographic photoreceptor 10 of the present disclosure comprises: a cylindrical subst...
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JP2019189915A |
To prevent unexpected mixing of a raw material gas due to outflow at a valve.The present invention relates to a deposition film forming method that uses a raw material gas mixing device where raw material gas lines connected to a raw mat...
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JP6597572B2 |
To provide a polyarylate resin that allows an electrophotographic photosensitive member to exhibit excellent abrasion resistance.A polyarylate resin is represented by general formula (1) in the figure, where X and Y each independently re...
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JP6598634B2 |
An electrophotographic photosensitive member includes a support and a photosensitive layer in this order. The photosensitive layer contains a chlorogallium phthalocyanine crystal obtained by mixing a hydroxygallium phthalocyanine crystal...
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JP6600137B2 |
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JP6597658B2 |
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JP2019184700A |
To provide an electrophotographic photoreceptor that prevents the occurrence of an image defect caused by a positive ghost.An electrophotographic photoreceptor comprises: a conductive substrate; a charge generating layer that is provided...
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JP2019184775A |
To provide an electrophotographic photoreceptor, a manufacturing method of the electrophotographic photoreceptor, an electrophotographic image formation device, an electrophotographic image formation method, and a process cartridge that ...
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JP2019184879A |
To provide an electrophotographic photoreceptor and a manufacturing method therefor with which no black spots occur in a hot and humid environment and a sensitivity change is small when continuously printed, and with which it is possible...
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JP2019183233A |
To provide a deposition film formation device that has superior film thickness uniformity and can stably manufacture an electrophotographic photoreceptor.A deposition film formation device has: a pressure-reducible reaction container; a ...
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JP6593063B2 |
To provide an electrophotographic photoreceptor that has suppressed the generation of cracks in an inorganic surface layer and an outermost surface layer of a photosensitive layer.There is provided an electrophotographic photoreceptor co...
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JP6593532B2 |
A photosensitive layer (3) of an electrophotographic photosensitive body (1) is a single layer-type photosensitive layer (3c) including a charge generating agent and an electron transport agent. The electron transport agent includes a co...
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JP6592908B2 |
To provide an image forming apparatus that suppresses the occurrence of unevenness in image density and wear and chipping of a cleaning blade even after a single image is repeatedly formed.An image forming apparatus comprises: a photorec...
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JP6592943B2 |
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JP6593534B2 |
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JP6593295B2 |
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JP2019179077A |
To provide an electrophotographic photoreceptor capable of suppressing both black spots and fogging after prolonged use even at low contrast.An electrophotographic photoreceptor is provided, comprising a support material, an intermediate...
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JP2019179220A |
To provide a method for manufacturing an electrophotographic photoreceptor with which high-quality products can be stably supplied.A method for manufacturing an electrophotographic photoreceptor has: a pressurizing step of installing one...
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JP6589839B2 |
The invention provides a triphenylamine derivative and an electronic photographic photoreceptor. The triphenylamine derivative is represented by the following general formula (1) or (2). In the general formula (1) and (2), each of R <1>,...
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JP6591878B2 |
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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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