Abstract: An optical sensor includes a support and a thermoelectric-conversion material section including first material layers, second material layers, and a third material layer. Each of the first material layers may have a first region including a first end portion and a second region including a second end portion. Each of the second material layers may have a third region including a third end portion and a fourth region including a fourth end portion. The first region and the second region are electrically connected to the third region and the fourth region, respectively, such that the plurality of first material layers and the plurality of second material layers are alternately connected in series to each other. The third material layer is disposed between the first region and the third region.

Abstract: An information of a network to which a new function unit has been added is easily acquired. A relay device installed in a vehicle includes: a detection unit configured to detect a new function unit being a function unit that is newly added to a network including an existing function unit being one or a plurality of function units; a relay unit configured to relay a frame between the function units; and an acquisition unit configured to acquire, from the frame, relayed by the relay unit, between the new function unit detected by the detection unit and the existing function unit, function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer, the function unit information being of at least one of the new function unit and the existing function unit.

Abstract: A printed wiring board includes a base and a conductor layer. A through hole reaching the second surface from the first surface is formed in the base. A first opening of the through hole is formed in the first surface of the base. A second opening of the through hole is formed in the second surface of the base. A conductor layer is disposed inside the through hole. The base includes a first protrusion. The first protrusion protrudes from an edge portion of the first opening. The first opening has a first opening width in a first cross section passing through the first protrusion and a center of the first opening and taken along a thickness direction of the base. The second opening has a second opening width in the first cross section. The first opening width is smaller than the second opening width.

Abstract: An insulated electric wire includes a flat portion and a low-flatness portion along an axial direction x, having elemental wires constituting a conductor and an insulation coating being continuous with one another. An outer shape of the conductor of the flat portion in a cross-section perpendicular to the axial direction x of the insulated electric wire takes a flat shape, and an outer shape of the conductor of the low-flatness portion takes a shape with flatness lower than the flat portion. In each of the cross-sections of the conductor of the flat portion and the low-flatness portion, deformation ratios of the elemental wires from a circle at width directional end parts, which corresponds to regions facing an outer periphery of the conductor at both ends of the flat shape in a width direction, are lower than the deformation ratios of the elemental wires at a center parts of the conductor.

Abstract: A hinge includes: a base portion extending in a first direction; a protruding portion having a projection projecting in the first direction; a spring portion configured to be elastically deformed in the first direction; and an operation portion. The base portion, the protruding portion, the spring portion, and the operation portion are made of a resin and integrally formed.

Abstract: A silicon carbide substrate includes a first main surface, a second main surface, and an outer peripheral surface. When a defect, in the first main surface, observed using a mirror electron microscope while irradiating the first main surface with an ultraviolet ray is a first defect and a defect, in the first main surface, observed using molten potassium hydroxide is a second defect, a value obtained by dividing an area density of the first defect by an area density of the second defect is more than 0.9 and less than 1.2. The first defect consists of a first blind scratch, a first basal plane dislocation spaced apart from the first blind scratch, a second basal plane dislocation in contact with the first blind scratch, and a second blind scratch spaced apart from each of the first basal plane dislocation and the second basal plane dislocation.

Abstract: An optical connector includes at least one optical fiber, a ferrule, a spacer, and a protective film. The ferrule includes a ferrule end surface. The ferrule holds the optical fiber so as to expose a tip surface of the optical fiber at the ferrule end surface. The spacer is provided on the ferrule end surface. The spacer surrounds an exposed region of the ferrule end surface where the tip surface of the optical fiber is exposed. The protective film is configured to protect the spacer. The protective film covers the tip surface of the optical fiber. The protective film is provided so as to cover at least a part of a boundary between the exposed region of the ferrule end surface and a surface of the spacer when viewed from a direction orthogonal to the ferrule end surface.

Abstract: An insulated electric wire containing a conductor having a flat shape and showing excellent selectivity for bending in the height direction of the flat shape, and a wiring harness containing such an insulated electric wire. An insulated electric wire contains a conductor and an insulation cover covering an outer periphery of the conductor. The conductor contains a flat portion which has a flat shape, in a cross section perpendicular to an axial direction of the conductor, having a larger size in a width direction than in a height direction. In the flat portion, a flexural rigidity in the width direction x of the insulated electric wire is 2.6 times or more than a flexural rigidity in the height direction y. The wiring harness contains the insulated electric wire.

Abstract: A calculation method includes acquiring N matrices corresponding to N sets, each of N matrices being a matrix of a circuit network including first and second terminals, each of N sets being a set of first voltage applied to first terminal and second voltage applied to second terminal, and extracting values of L parameters based on N matrices using a first model of an intrinsic circuit and a second model of a distributed constant circuit. First model is represented by a function of at least one of first voltage and second voltage, each of L/2 impedance elements includes first end connected to one of first to sixth terminals, and second end connected to terminal other than the one of first to sixth terminals, and second model is represented by values of L parameters including two real number parameters related to impedance of each of L/2 impedance elements.

Abstract: A cutting tool comprising a base material and a coating disposed on the base material, wherein the coating comprises a hard particle layer; the hard particle layer is formed from a plurality of hard particles including titanium, silicon, carbon, and nitrogen; in the hard particles, a concentration of the silicon periodically changes along a first direction set in the hard particles; and an orientation of the hard particle layer is a (311) orientation.

Abstract: A wiring member-equipped adherend includes: a wiring member including a sheet and a wire-like transmission member fixed to the sheet; an adherend provided in a position where the wiring member is disposed in a vehicle and fixed to the sheet via a first fixing member; and a cover covering the wire-like transmission member from a side opposite to the sheet. The cover is fixed to the adherend via a second fixing member on at least one side of the wiring member.

Abstract: A testing device includes a contactless measurement unit configured to measure a thickness of a test object and a probe needle configured to move by a distance in accordance with the thickness measured by the measurement unit to come into contact with an electrode of the test object.

Abstract: An insulated wire including: a linear conductor; and an insulating layer that covers an outer peripheral surface of the conductor, wherein the insulating layer contains, as residual solvents, a first solvent having a relative permittivity of 15 or more and a second solvent having a relative permittivity of less than 15, a first ratio that is a ratio of a content of the second solvent to a total content of the first solvent and the second solvent contained in the insulating layer is 50% by mass or more, and a second ratio that is a ratio of the content of the second solvent to the total content of the first solvent and the second solvent contained in the insulating layer after a heating treatment of heating the insulated wire at 350° C. for 1 minute is higher than the first ratio.

Abstract: An optical fiber according to an embodiment has a structure capable of reducing an increase in transmission loss. The optical fiber includes a glass part extending in a direction of a central axis, and the glass part is comprised of silica-based glass, includes a core and a cladding, and has residual stress approximately uniform throughout a cross section of the glass part orthogonal to the central axis, the core having the central axis and being doped with chlorine with a mass fraction of 1% or more, the cladding surrounding the core and having a refractive index lower than a maximum refractive index of the core.

Abstract: An antenna module is an antenna module attached to a roof in a vehicle and includes a substrate and a plurality of antennas provided on the substrate, wherein the substrate is kept in a curved state.

Abstract: An in-vehicle control apparatus is to be mounted in a vehicle having a self-driving function and a driver's seat that can be turned backward, and includes a direction determination unit configured to determine a direction of the driver's seat, and a control unit configured to control an operation of a device mounted in the vehicle in accordance with the direction that is determined by the direction determination unit. In addition, an in-vehicle control apparatus according to the present embodiment is to be mounted in a vehicle having a self-driving function, and includes a self-driving determination unit configured to determine whether the vehicle is self-driving, and a control unit configured to perform control for restricting an operation of a device mounted in the vehicle in accordance with a determination result of the self-driving determination unit.

Abstract: A superconducting magnet according to one embodiment includes: a coil including a superconducting layer having a first portion and a second portion, and a joining portion; and a cryostat in which the coil is stored. The first portion and the second portion are located in a termination portion. The superconducting layer forms a closed loop by superconducting joining of the first portion and the second portion at the joining portion. The superconducting layer is made of a high-temperature superconductor. A current flows through the joining portion in a superconducting state when a magnetic field equal to or greater than 1.0 tesla and equal to or less than 5.0 tesla is applied to the joining portion at 77 kelvin. The cryostat is configured such that a temperature inside the cryostat is equal to or greater than 2.0 kelvin and equal to or less than 77 kelvin.

Abstract: A lead wire for a nonaqueous electrolyte battery has a conductor, and an insulating film having a plurality of layers and covering at least a part of the outer peripheral surface of the conductor, wherein the insulating film has a conductor-covering layer laminated on a surface of the conductor, a first insulating layer laminated on an outermost surface of the insulating film, and a second insulating layer laminated on an inner surface of the first insulating layer; the conductor-covering layer contains an acid-modified polyolefin; and the ratio (E1/E2) of an elastic modulus E1 of the first insulating layer at any one temperature in the range of 80° C. or more and 125° C. or less to an elastic modulus E2 of the second insulating layer at the same temperature as in the first insulating layer, is 0.10 or more and 10.00 or less.

Abstract: A reactor is provided with a coil including a pair of winding portions arranged in parallel, a magnetic core to be arranged inside and outside the winding portions, a case for accommodating an assembly including the coil and the magnetic core, a leaf spring fitting for pressing the assembly toward an inner bottom surface of the case, and a sealing resin portion to be filled into the case. Each of the winding portions is so arranged that an arrangement direction of the winding portions is along a depth direction of the case. The case includes an opening having a rectangular planar shape. The leaf spring fitting is arranged in a state curved toward the inner bottom surface by having both end parts of the leaf spring fitting directly pressed against parts of inner wall surfaces of the case facing each other in a long side direction.

Abstract: A wire waterproof structure including a water-stopping material, wherein: the water-stopping material is configured to seal at least a partial region of a conductor comprising an assembly of a plurality of strands, the water-stopping material contains a resin material, and a filler dispersed in the resin material, and the filler has an average particle size of 1 ?m or more and 15% or less of an outer diameter of the strands, and a content in the water-stopping material of 1 mass % or more and 20 mass % or less, relative to the resin material.