Abstract: Used is an electro-conductive member for electrophotography including: a support having an electro-conductive outer surface; and an electro-conductive layer on the outer surface of the support, wherein the electro-conductive layer includes: a matrix containing a first crosslinked rubber product and having a volume resistivity greater than 1.0×1012 ?cm; and domains dispersed in the matrix, wherein the domain includes a second crosslinked rubber product and an electron conductive agent; and the electro-conductive layer includes a region T in which the volume resistivity of the matrix decreases in a depth direction from the outer surface of the electro-conductive member.

Abstract: A multilayer ceramic electronic component includes an element body formed by alternately stacked internal electrode layers and dielectric layers. The abundance ratio of crystals of the cubic crystal system in grains that form the dielectric layers sandwiched by the internal electrode layers is 25% by mass or higher but no higher than 75% by mass, and the average grain size of the grains that form the dielectric layers sandwiched by the internal electrode layers is 30 nm or larger but no larger than 70 nm. The multilayer ceramic component is intended to maintain a high dielectric constant while offering good DC bias properties.

Abstract: Provided is an electrophotographic electroconductive member, including: an electroconductive support; an electroconductive layer; and a surface layer in order, wherein an impedance is 1.0×103? to 1.0×108? at an outer surface of the electroconductive member, in the surface layer, an electronic electroconductive agent is dispersed, the electroconductive layer has a matrix containing a cross-linked product of a first rubber and domains each containing a cross-linked product of a second rubber and electroconductive particles, and wherein, and wherein among the domains observed in specified observation regions, 80% by number or more of the domains satisfy (1) and (2): (1) a proportion of sectional areas of the electroconductive particles with respect to the domain is 20% or more; (2) A/B is 1.00 to 1.10 when A is a perimeter of the domain and B is an envelope perimeter.

Abstract: According to one embodiment, a sheet conveying device includes a tray, a pickup roller, a movement mechanism, a holder, a biasing unit, and a detecting mechanism. The movement mechanism moves the tray between a raised position and a lowered position. The raised position is a position where sheets come into contact with the pickup roller. The holder holds the pickup roller so that the pickup roller is displaceable when pushed up by the sheets. The biasing unit applies a biasing force to the holder pushing down the pickup roller. The detecting mechanism detects when the sheets push up the pickup roller. The detecting mechanism includes a detection unit and a sensor. The detection unit is switchable between a reference position and a detection position according to displacement of the holder accompanying the movement of the tray. The sensor detects when the detection unit reaches the detection position.

Abstract: According to one embodiment, a sheet conveying device includes a tray, a pickup roller, a movement mechanism, a holder, a biasing unit, and a detecting mechanism. The movement mechanism moves the tray between a raised position and a lowered position. The raised position is a position where sheets come into contact with the pickup roller. The holder holds the pickup roller so that the pickup roller is displaceable when pushed up by the sheets. The biasing unit applies a biasing force to the holder pushing down the pickup roller. The detecting mechanism detects when the sheets push up the pickup roller. The detecting mechanism includes a detection unit and a sensor. The detection unit is switchable between a reference position and a detection position according to displacement of the holder accompanying the movement of the tray. The sensor detects when the detection unit reaches the detection position.

Abstract: This active oxygen supply device is provided with a plasma actuator and an ozone decomposition device both arranged in a housing having at least one opening, in which the plasma actuator includes a first electrode, a dielectric body and a second electrode which are stacked in this order, the first electrode is an exposed electrode and blows out an ozone-containing induction flow in a first direction, the ozone decomposition device decomposes the ozone contained in the induction flow to generate active oxygen, the induction flow is converted to an induction flow containing the active oxygen, the edge part of the first electrode has a notched part having a shape enabling the increase in the flow rate of the induction flow, and the ozone decomposition device is at least one device selected from the group consisting of an ultraviolet light source and a heating device.

Abstract: Provided is a gas treatment apparatus comprising an active oxygen supply device and a gas flow path, wherein the gas treatment apparatus is characterized in that the active oxygen supply device includes a housing having at least one opening, and a predetermined plasma actuator and a predetermined ozone decomposition device inside the housing, the plasma actuator and the ozone decomposition device are disposed so that an induced flow containing active oxygen flows out of the housing through the opening, and the active oxygen supply device is disposed so as to allow the induced flow containing the active oxygen flowing out through the opening to be introduced into the gas flow path.

Abstract: Provided is an active oxygen supply device capable of more efficiently supplying active oxygen to the surface of an object to be treated. An active oxygen supply device comprises a plasma actuator and a heater in a housing having at least one opening. The plasma actuator comprises a first electrode, a dielectric material and a second electrode, the first electrode is an exposed electrode provided on a first surface that is one of the surfaces of the dielectric material, when a voltage is applied between the first electrode and the second electrode, the plasma actuator generates the dielectric-barrier discharge oriented from the first electrode to the second electrode and induces a flow. The plasm actuator and the heater are disposed so that the induced flow containing active oxygen flows out of the housing through the opening.

Abstract: An active oxygen supply device comprising: a housing; a plasma actuator disposed inside the housing; and an ozone decomposing device, wherein the plasma actuator comprises a first electrode, a dielectric material, and a second electrode, the first electrode is an exposed electrode provided on a first surface, which is one surface of the dielectric material, the plasma actuator generates an induced flow containing ozone to be blown out from the first electrode in a first direction, which is one direction along the surface of the dielectric material, the ozone decomposing device decomposes the ozone contained in the induced flow to generate active oxygen, an edge portion of the second electrode leading in a second direction reverse to the first direction is provided with a protruded portion, and overlap the first electrode only in the protruded portion, and the protruded portion has a width constant in the second direction.

Abstract: This reactive oxygen supply apparatus is characterized by comprising a humidification device, a housing having at least one opening, and a predetermined plasma actuator in the opening, and is characterized in that the humidification device humidifies the inside of the housing and generates reactive oxygen in the induced flow, so that the induced flow contains the reactive oxygen, and the plasma actuator and the humidification device are disposed such that the induced flow containing the reactive oxygen flows out of the housing through the opening.

Abstract: A treatment device using active oxygen, the treatment device comprising: an ultraviolet transmission member; and a first chamber and a second chamber adjacent to each other separated by the ultraviolet transmission member, wherein the first chamber is capable of accommodating a treatment target and comprises an ozone generator, the second chamber comprises an ultraviolet light source, the ultraviolet light source is capable of irradiating a surface of the treatment target, which is accommodated in the first chamber, with ultraviolet light, and a distance between the ultraviolet transmission member and the surface of the treatment target can be adjusted to 10 mm or less.

Abstract: An active oxygen supply device comprising: a housing having at least one opening; an ozone generator located inside the housing; a means for generating an airflow comprising ozone generated inside the housing by the ozone generator, flowing toward the opening and flowing out of the housing through the opening; and an ultraviolet light source arranged so that the airflow comprising the ozone and flowing out of the housing through the opening can be irradiated with ultraviolet rays, wherein the ultraviolet light source decomposes the ozone in the airflow to generate active oxygen, and the airflow comprising the active oxygen generated by irradiating the airflow comprising the ozone with the ultraviolet rays is supplied to an object to be treated outside the housing.

Abstract: Provided an electrophotographic electro-conductive member that can stably suppress an occurrence of fogging in an electrophotographic image. The member comprises a support having an electro-conductive outer surface, and an electro-conductive layer on the outer surface of the support, the electro-conductive layer having a matrix including a cross-linked product of a first rubber, and domains dispersed in the matrix, the domains each includes a cross-linked product of a second rubber and an electro-conductive particle, at least some of the domains is exposed to the outer surface of the electro-conductive member to constitute protrusions on an outer surface of the member, the outer surface of the electro-conductive member is constituted by the matrix and the domains exposed to the outer surface of the electrophotographic electro-conductive member, the electrophotographic electro-conductive member has an impedance of 1.0×103? or more and 1.0×108? or less, and some of the domains satisfy two specific requirements.

Abstract: A sheet conveying device includes a sheet tray on which one or more sheets are placed, a pickup roller by which a sheet is picked up from the sheet tray, and an elevating mechanism. The elevating mechanism includes a shaft rotated by a motor, and a cam attached to the shaft and rotated together with the shaft to raise and lower the sheet tray with respect to the pickup roller. The sheet conveying device further includes a load applying mechanism contacting the shaft to apply a load thereto.

Abstract: According to one embodiment, a sheet conveying device includes a tray, a pickup roller, a movement mechanism, a holder, a biasing unit, and a detecting mechanism. The movement mechanism moves the tray between a raised position and a lowered position. The raised position is a position where sheets come into contact with the pickup roller. The holder holds the pickup roller so that the pickup roller is displaceable when pushed up by the sheets. The biasing unit applies a biasing force to the holder pushing down the pickup roller. The detecting mechanism detects when the sheets push up the pickup roller. The detecting mechanism includes a detection unit and a sensor. The detection unit is switchable between a reference position and a detection position according to displacement of the holder accompanying the movement of the tray. The sensor detects when the detection unit reaches the detection position.

Abstract: An active oxygen supply device that is a plasma actuator equipped with a plasma generator and an ultraviolet light source in a housing having at least one opening, the plasma generator being provided with a first electrode and a second electrode with a dielectric in-between and creating an induced flow that contains ozone by applying a voltage between the two electrodes, in which the plasma actuator is positioned so that the induced flow flows outside the housing from an opening, and the ultraviolet light source irradiates the induced flow with ultraviolet rays and generates active oxygen in the induced flow; a device for conducting treatment by active oxygen; and a method for conducting treatment by active oxygen.

Abstract: A sterilization device or the like is equipped with a plasma generator and an ultraviolet light source, wherein the plasma generator is a plasma actuator provided with a first electrode and a second electrode with a dielectric in-between, and in which an induced flow including ozone is generated by application of a voltage between the two electrodes, the ultraviolet light source is arranged so as to be able to irradiate the surface of an object to be sterilized, and the plasma actuator is arranged so that the induced flow is supplied to said surface.

Abstract: Provided is an electrophotographic electroconductive member including an electroconductive support and an electroconductive layer on the support, an electroconductive member is used, in which an electroconductive layer has a matrix comprising a first rubber, and domains dispersed in the matrix, the domains each comprising a second rubber and an electronic electroconductive agent, and for impedance measured by applying an AC voltage with an amplitude of 1 V to the electroconductive layer while varying frequencies between 1.0×10?2 Hz to 1.0×107 Hz under a specific environment, when a double logarithmic plot with a frequency on an abscissa and an impedance on an ordinate is obtained, a slope on a high frequency side is ?0.8 or more and —0.3 or less, and the impedance a low frequency side is from 1.0×103 to 1.0×107?.

Abstract: A photodynamic therapy treatment support device is provided with a light source and a distribution information output unit. The light source irradiates a photosensitive substance administered to a body of a subject with light of a specific wavelength bandwidth having energy capable of generating fluorescence from the photosensitive substance without advancing necroses of tumor cells. The distribution information output unit outputs information on a distribution state of the fluorescence generated from the photosensitive substance, based on the fluorescence generated from the photosensitive substance.

Abstract: Provided is an electrophotographic electro-conductive member including a support having an electro-conductive outer surface, and an electro-conductive layer. The electro-conductive layer has a matrix containing a crosslinked product of a first rubber and domains containing a crosslinked product of a second rubber and an electron conductive agent. When measuring an impedance by applying alternating voltage between the outer surface of the support and a platinum electrode on an outer surface of the electro-conductive layer while changing a frequency, a slope at specific frequencies is ?0.8 to ?0.3 in a double logarithmic plot, and an impedance at specific frequency range is 1.0×104? to 1.0×1011?. When measuring an impedance by applying alternating voltage between the outer surface of the support and a platinum electrode on an outer surface of the electrophotographic electro-conductive member while changing a frequency, an impedance at specific frequency range is 1.0×105? to 1.0×1011?.