Abstract: A radiography device includes a sensor panel that generates image information from incident radiation, an antenna that wirelessly transmits the image information generated by the sensor panel, and a housing that houses the sensor panel and the antenna, wherein the housing has a recessed portion recessed toward an inside, the recessed portion having a transmission portion configured to transmit an electromagnetic wave, and the antenna is disposed to face the transmission portion.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer disposed on the conductive substrate, and a photosensitive layer disposed on the undercoat layer, in which an integrated value of an intensity in a period range of 0.01 mm or greater and 0.1 mm or less in a power spectrum obtained by performing fast Fourier transform on a roughness curve of an outer peripheral surface of the conductive substrate in an axial direction is 0.02 or greater and 0.10 or less, and the undercoat layer has a layer thickness of 10 ?m or greater.

Abstract: An optical connection element includes a first waveguide core and a second waveguide core above a substrate or a cladding and in which signal light and resin curing light propagate through the first waveguide core and the second waveguide core, the optical connection element including: an inter-core light coupling section in which a part of the first waveguide core and a part of the second waveguide core overlap in a perpendicular direction; and a resin curing light coupling section that couples resin curing light to the second waveguide core.

Abstract: A radiation imaging system comprising a control apparatus that controls a radiation generating apparatus which exposes a radiation and a radiation imaging apparatus that detects the exposed radiation and generates a radiation image, wherein the radiation imaging apparatus has a first communication mode in which a signal related to a stop of exposure of the radiation is wirelessly transmitted and a second communication mode in which at least one signal not related to the stop of exposure of the radiation is wirelessly transmitted, and wherein communication in the first communication mode includes communication at power lower than communication in the second communication mode.

Abstract: A first optical waveguide, a second optical waveguide, a connection optical waveguide including a resin core that optically connects the first optical waveguide and the second optical waveguide are included. The resin core is covered with cladding. The second optical waveguide has a core with a diameter that is different from a diameter of a core of the first optical waveguide. The resin core is disposed between an end surface of the first optical waveguide and an end surface of the second optical waveguide and optically connects the first optical waveguide and the second optical waveguide. Moreover, the resin core is configured with a cured photo-curable resin.

Abstract: An image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate, a photosensitive layer, and an inorganic surface layer containing a group 13 element and oxygen in this order, a charging device that charges a surface of the electrophotographic photoreceptor, an electrostatic charge image forming device that forms an electrostatic charge image on the charged surface of the electrophotographic photoreceptor, a developing device that accommodates an electrostatic charge image developer containing a toner and a carrier with a volume resistance value of 1×109? or greater and 1×1016? or less, supplies the electrostatic charge image developer, and develops the electrostatic charge image formed on the surface of the electrophotographic photoreceptor as a toner image, and a transfer device that transfers the toner image formed on the surface of the electrophotographic photoreceptor to a surface of a recording medium.

Abstract: A wireless communication apparatus includes a first antenna, a second antenna, a control unit configured to output a signal to the first antenna and the second antenna, a first wiring configured to connect the control unit and the first antenna, a second wiring configured to connect the control unit and the second antenna, a casing formed of a conductor, the casing being configured to accommodate the first antenna, the second antenna, the control unit, the first wiring, and the second wiring, and including a first opening disposed in opposition to the first antenna and a second opening disposed in opposition to the second antenna, and a partition portion formed of a conductor and configured to partition the first antenna and the first opening from the second antenna and the second opening.

Abstract: A radiation imaging apparatus comprises a housing which encases an image conversion unit for converting radiation into an electrical signal relating to a radiation image, and has at least one opening formed thereon and a housing conductive portion at least a part of which is a conductive portion, a cover member arranged to cover the opening, which is detachably attached to the housing and comprises a cover conductive portion at least a part of which is a conductive portion; and an elastic member provided between the cover member and the housing, wherein the housing conductive portion and the cover conductive portion are pressed into contact by a reaction force of the elastic member.

Abstract: An optical connection structure includes a first focus lens arranged between a first light incidence/emission end and an optical element, and a second focus lens arranged between a second light incidence/emission end and the optical element. The first focus lens and the second focus lens are arranged on an optical axis connecting the first light incidence/emission end and the second light incidence/emission end.

Abstract: A lubricant solid contains, in a content of 92 mass % or more and 100 mass % or less, a lubricant having a polygonal network bond structure.

Abstract: An optical connection structure includes an optical waveguide device that includes a substrate, a BOX layer, a first waveguide, and an overcladding in this order, an optical fiber disposed in a V-groove formed in the substrate, a self-forming waveguide disposed between an end face of the optical waveguide device and an end face of the optical fiber, and a cladding disposed around the self-forming waveguide. The optical fiber is positioned so that the end face of the optical fiber faces the end face of the optical waveguide device to cause signal light emitted from the optical fiber to enter the waveguide. The self-forming waveguide is formed with a portion cured by irradiation with resin curing light.

Abstract: A lubricant solid contains, in a content of 92 mass% or more and 100 mass% or less, a lubricant having a polygonal network bond structure.

Abstract: An X-ray imaging apparatus includes a sensor panel that converts incident radiation to an electric signal, a tabular metallic base plate including a front surface where the sensor panel is supported and a region where the tabular metallic base plate has a basic thickness, a circuit board disposed on a rear surface of the tabular metallic base plate, the rear surface being opposite to the front surface, wherein a thickness of the tabular metallic base plate in a region where the circuit board is disposed is larger than the basic thickness.

Abstract: An optical connection element includes a first waveguide core and a second waveguide core above a substrate or a cladding and in which signal light and resin curing light propagate through the first waveguide core and the second waveguide core, the optical connection element including: an inter-core light coupling section in which a part of the first waveguide core and a part of the second waveguide core overlap in a perpendicular direction; and a resin curing light coupling section that couples resin curing light to the second waveguide core.

Abstract: An embodiment is an optical connection element including a first waveguide core and a second waveguide core on a substrate, the first waveguide core and the second waveguide core configured to propagate a signal light and a resin-curing light, and a mode field conversion portion provided at one end of the first waveguide core, wherein the second waveguide core covers at least the mode field conversion portion on the substrate, and a refractive index of the first waveguide core is higher than a refractive index of the second waveguide core.

Abstract: A radiation imaging apparatus comprises a housing which encases an image conversion unit for converting radiation into an electrical signal relating to a radiation image, and has at least one opening formed thereon and a housing conductive portion at least a part of which is a conductive portion, a cover member arranged to cover the opening, which is detachably attached to the housing and comprises a cover conductive portion at least a part of which is a conductive portion; and an elastic member provided between the cover member and the housing, wherein the housing conductive portion and the cover conductive portion are pressed into contact by a reaction force of the elastic member.

Abstract: A first optical waveguide, a second optical waveguide, a connection optical waveguide including a resin core that optically connects the first optical waveguide and the second optical waveguide are included. The resin core is covered with cladding. The second optical waveguide has a core with a diameter that is different from a diameter of a core of the first optical waveguide. The resin core is disposed between an end surface of the first optical waveguide and an end surface of the second optical waveguide and optically connects the first optical waveguide and the second optical waveguide. Moreover, the resin core is configured with a cured photo-curable resin.

Abstract: An optical connection structure includes a first optical waveguide, a second optical waveguide, and an optical element. The first optical waveguide includes a first light incidence/emission end face (104) formed on one end side. In addition, the second optical waveguide includes a second light incidence/emission end face formed on one end side. One end side of the first optical waveguide and one end side of the second optical waveguide are arranged facing each other. The optical element is arranged in contact with the first light incidence/emission end face and the second light incidence/emission end face between the first optical waveguide and the second optical waveguide.

Abstract: An optical connection structure includes a first focus lens arranged between a first light incidence/emission end and an optical element, and a second focus lens arranged between a second light incidence/emission end and the optical element. The first focus lens and the second focus lens are arranged on an optical axis connecting the first light incidence/emission end and the second light incidence/emission end.

Abstract: A radiographic apparatus includes a radiation detection panel configured to detect radiation, and a housing that covers the radiation detection panel. The housing includes an incident surface receiving the radiation, a side surface adjacent to the incident surface, a rear surface opposing the incident surface, and an inclined surface adjacent to each of the side surface and the rear surface. A recessed handle portion is provided on the inclined surface.