Abstract: A core used in an axial gap type rotating electrical machine includes an annular yoke having a plurality of through-holes disposed in a circumferential direction, and a plurality of columnar teeth disposed in the circumferential direction of the yoke, each of the plurality of columnar teeth including one end inserted into each of the plurality of through-holes. The yoke and each of the teeth are composed of a powder compact separate from each other, and the one end of each of the teeth is off-center in the through-hole.

Abstract: A circuit apparatus includes: a stacked body; and a plurality of terminals. The stacked body includes a plurality of layers. A plurality of holes that extend through the plurality of layers are formed in the stacked body. Each of the plurality of layers includes a connection member that is formed of a conductor. The connection member includes: a plurality of connection portions that are provided at positions corresponding to the plurality of holes; and a joining portion that connects the plurality of connection portions to each other. The plurality of terminals include a plurality of types of terminals that correspond to the plurality of layers. Each of the plurality of types of terminals can be selectively connected to the connection portion of a corresponding one of the plurality of layers by being inserted into a predetermined one of the plurality of holes.

Abstract: A gallium arsenide single crystal substrate having a main surface, in which a ratio of the number of As atoms existing as diarenic trioxide to the number of As atoms existing as diarsenic pentoxide is greater than or equal to 2 when the main surface is measured by X-ray photoelectron spectroscopy, in which an X-ray having energy of 150 eV is used and a take-off angle of a photoelectron is set to 5°. Arithmetic average roughness (Ra) of the main surface is less than or equal to 0.3 nm.

Abstract: Provided is a power source system that can more easily realize a configuration that can support a plurality of charging methods and supply a relatively high voltage and a relatively low voltage based on power from a battery. A power source system is a system that is to be installed in a vehicle including a travel motor, and into which a charging current flows via a charging path when receiving supply of power from an external apparatus provided external to the vehicle. The power source system includes a first conductive path and a second conductive path that are electrically connected to the charging path and branch from the charging path, a first relay that is provided on the first conductive path, and a first DC/DC converter that performs voltage conversion.

Abstract: An optical fiber unit includes: an optical fiber ribbon in which a plurality of optical fibers are arranged in parallel and connected to each other; a colored bundle tape longitudinally wrapped around an optical fiber ribbon bundle in which a plurality of the optical fiber ribbons are stranded together; and a colored bundle yarn spirally wound around the optical fiber ribbon bundle and the bundle tape.

Abstract: This photovoltaic module includes: a power generating element configured to receive sunlight to generate power; and a housing which is closed, the housing having: a concentrating portion provided with a lens configured to concentrate sunlight; a bottom portion in which the power generating element is disposed; and a side wall serving as an outer frame for the bottom portion and supporting the concentrating portion. The side wall is a resin molded body including a resin and glass fibers dispersed in the resin, the resin is one of PET (Polyethylene terephthalate), PBT (Polybutylene Terephthalate), and PP (Polypropylene), and the glass fibers are orientated, in the resin, along a crossing direction that crosses a direction of an optical axis of the lens.

Abstract: An optical fiber includes a core made of silica glass, and a cladding surrounding the core and made of silica glass. A product of a center wavenumber k?4 and a half width at half maximum kH4 of a peak of Raman scattered light ?4(T0) obtained by irradiating the core with excitation light having a wavelength of 532 nm is 38000 cm?2 or less.

Abstract: A terminal block that includes: a first terminal electrically connected to an electrical component; and a second terminal electrically connected to the first terminal, wherein a current sensor for detecting a current that flows through the first terminal or the second terminal is integrated with the first terminal or the second terminal.

Abstract: A method for manufacturing an optical fiber splicing component includes preparing a plurality of optical fibers each including a glass fiber including a core and a cladding covering the core, and a resin coating covering the glass fiber, an end portion of the glass fiber being exposed from the resin coating, mounting the plurality of glass fibers on an optical fiber holding member so that the plurality of glass fibers exposed from the resin coating are arranged in a first direction and protrude outward from the optical fiber holding member, adjusting and fixing postures of the plurality of glass fibers around respective central axes, and collectively bonding two or more glass fibers among the plurality of glass fibers and the optical fiber holding member with an adhesive.

Abstract: An optical fiber bundle connector includes a plurality of optical fibers, a plastic tube, a ferrule, an intermediate member, a frame member, and a pressing member. A portion of each of the plurality of optical fibers is inserted in the plastic tube. The ferrule extends in a first direction and holds tip portions of the plurality of optical fibers. The intermediate member has a cylindrical shape. The plurality of optical fibers are inserted in the intermediate member. The intermediate member connects the plastic tube and the ferrule. The frame member accommodates at least a portion of the ferrule, the intermediate member, and at least a portion of the plastic tube. The pressing member is disposed around the intermediate member and configured to press the ferrule toward a tip side of each of the plurality of optical fibers against the frame member.

Abstract: A superconducting coil device according to one embodiment of the present invention includes: A superconducting coil device including: a bobbin having a tubular body; superconducting wires, a part of which constitutes a wound portion where the superconducting wires are wound on the bobbin; a bobbin-side guide portion holding the superconducting wires extending from the bobbin, the bobbin-side guide portion being provided to extend in a bobbin axial direction, which is an axial direction of the body of the bobbin; a first guide portion holding the superconducting wires extending from the bobbin-side guide portion, the first guide portion being arranged on an outer side of the bobbin-side guide portion in a direction intersecting the bobbin axial direction and provided to extend in the direction intersecting the bobbin axial direction; and a second guide portion capable of holding the superconducting wires extending from the first guide portion, the second guide portion being provided to extend in a direction in

Abstract: A semiconductor laser device includes a first semiconductor layer and an active layer provided above the first semiconductor layer. The first semiconductor layer is a superlattice layer and includes a plurality of first layers and a plurality of second layers. The plurality first layers and the plurality of second layers are alternately stacked upon each other. Thicknesses of the plurality of first layers are equal to each other, and thicknesses of the plurality of second layers are equal to each other.

Abstract: A core that is used in an axial-gap rotary electric machine and that includes a body, and frame-shaped flange portions. The body includes an annular yoke and columnar teeth that are arranged in a circumferential direction of the yoke. The flange portions are fixed to end portions of the respective teeth. The yoke and the teeth are composed of a single powder compact. Each of the flange portions is composed of a powder compact that has a through-hole. The end portion of each of the teeth is inserted in the through-hole, and an end surface of each of the teeth is exposed from the through-hole. A ratio of an area of the end surface of each of the teeth to an area within an outer circumferential edge of each of the flange portions is 7.5% or more in a plan view in an axial direction of the yoke.

Abstract: An insulated electric wire that has a superior water-stopping performance and has a configuration in which, even if water enters the insulated electric wire, the water is unlikely to stay inside the insulated electric wire, and a wire harness containing such an insulated electric wire. An insulated electric wire contains: an exposed portion in which an insulation covering is removed from the outer circumference of a conductor; in which the insulation covering covers the outer circumference of the conductor, and a water-stopping portion that is provided in an area extending from a part of the exposed portion to a part of the first covered portion, and in which gaps between the elemental wires constituting the conductor are filled with a water-stopping agent. A region of the second covered portion is a non-waterproof end that has a void between the elemental wires and/or between the conductor and the insulation covering.

Abstract: An optical fiber ribbon that includes 16-48 parallel optical fiber core wires and a connecting resin that connects adjacent optical fiber core wires. The outer diameter D of the optical fiber core wires is 160-220 ?m, and when N is the number of optical fiber core wires and S is the bending strain of the optical fiber core wires, S=0.167×N/2(%) or less.

Abstract: A processing apparatus is a processing apparatus for a vehicle provided with a control processing unit that executes control processing for controlling an operation of an electronic device by executing a first program, and includes: an update determination unit that determines whether or not to update the first program; and a stop determination unit that determines whether or not running of the vehicle is stopped if the update determination unit makes a determination to update the first program, and, if the stop determination unit determines that running of the vehicle is stopped, the control processing unit executes the control processing by executing a second program, and a data amount of the second program is smaller than a data amount of the first program.

Abstract: A flexible printed circuit board includes a base film having an insulating property, and one or more interconnects laminated to at least one surface side of the base film. At least one of the one or more interconnects includes, in a longitudinal direction, a first portion and a second portion that is a portion other than the first portion, an average thickness of the second portion being greater than an average thickness of the first portion. A ratio of the average thickness of the second portion to the average thickness of the first portion is greater than or equal to 1.5 and less than or equal to 50.

Abstract: An electric wire for use in an electric vehicle with a large current of 100 A or more and a high voltage of 30 V or more includes a conductor and an electrically insulating layer covering an outer surface of the conductor, wherein the conductor includes first twisted wires in each of which a plurality of element wires are twisted together, and the first twisted wires are twisted together to form one or more second twisted wires, wherein an element-wire diameter of each of the element wires is 0.18 mm to 0.35 mm, and wherein a secant modulus of the electrically insulating layer is 15 MPa to 41 MPa.

Abstract: A storage case including a fusion splicer accommodating portion, an optical fiber cutter accommodating portion, an optical fiber cutter holder, and a support portion. The fusion splicer accommodating portion includes a first placement surface. The optical fiber cutter holder has a second placement surface configured to fix a bottom surface of an optical fiber cutter, and is supported to be rotatable around a rotating shaft separated from a plane including the first placement surface. The support portion is disposed between the fusion splicer accommodating portion and the optical fiber cutter accommodating portion. The support portion is in contact with the optical fiber cutter holder which has rotated such that an angle formed by a line normal to the first placement surface and a line normal to the second placement surface is an acute angle, to support the optical fiber cutter holder.

Abstract: A core for use in an axial-gap rotary electric machine is annular and includes a plurality of core pieces into which the core is divided in a circumferential direction. Each core piece includes a yoke portion and a tooth portion that is formed integrally with the yoke portion and that projects from the yoke portion in an axial direction. Each yoke portion includes a plurality of protrusions provided on one side surface connected to the yoke portion of an adjacent one of the core pieces, and a plurality of recesses provided on other side surface connected to the yoke portion of another adjacent one of the core pieces, the recesses corresponding to the protrusions. An interval between the protrusions is 80% or less of a length of the one side surface of the yoke portion, the length being a direct distance between inner and outer peripheries of the yoke portion.