Abstract: A fuel cell includes: a cell structure body including a cathode, an anode, and a solid electrolyte layer interposed between the cathode and the anode; and a current collector in contact with the cathode, wherein an oxidant is supplied to the cathode through the current collector, the current collector includes a porous body made of a metal material, and a chromium adsorbent carried inside pores of the porous body, the metal material includes a first metal and a second metal, the first metal includes nickel, and the second metal includes at least one selected from the group made of tin, aluminum, cobalt, titanium, manganese, tungsten, copper, silver, and gold.

Abstract: A core used in an axial-gap rotating electric device includes an annular back yoke and a plurality of teeth protruding in an axial direction that is perpendicular to a first flat surface of the back yoke. The plurality of teeth are provided on the first flat surface at intervals in a circumferential direction. The back yoke and the teeth are constituted of an integrally-molded powder compact. A first curved section that connects a peripheral surface of each tooth and the first flat surface of the back yoke is provided at a corner between the tooth and the back yoke. The first curved section has a curvature radius ranging between 0.2 mm and 1.5 mm inclusive.

Abstract: A coupling structure in a wiring board including a printed wiring board and a flexible printed wiring board overlaid on the printed wiring board. The printed wiring board includes a first conductive line on a surface adjacent to the flexible printed wiring board. The flexible printed wiring board includes a second conductive line on a surface on an opposite side from the printed wiring board. The flexible printed wiring board includes a conduction-purpose through hole adjacent to the second conductive line and in which a section of the first conductive line is disposed. The first conductive line of the printed wiring board and the second conductive line of the flexible wiring board are electrically connected to each other with a conductive member disposed in the conduction-purpose through hole. The conductive member is covered with a resin having an insulating property.

Abstract: The first connector includes a first inner conductor, a first outer conductor, a first outer conductor cover and a first dielectric. The second connector includes a second inner conductor, a second outer conductor, a second outer conductor cover and a second dielectric. The second outer conductor includes a second outer conductor connecting portion overlapping the first outer conductor in a radial direction. The first outer conductor includes a first outer conductor body portion, a first outer conductor connecting portion for covering the outer periphery of the second outer conductor connecting portion and contacting the second outer conductor connecting portion, and a constricted portion reduced in dimensions from the first outer conductor connecting portion to the first outer conductor body portion. The first outer conductor cover and the second outer conductor cover have the same shape.

Abstract: A fixing structure of a wiring member includes a plate-like member provided in a vehicle, a wiring member disposed on a main surface of the plate-like member, and a fixing member fixing the wiring member to the plate-like member. The fixing member includes a housing part inserted into the plate-like member, a locking protrusion provided to extend outward from the housing part, and a protrusion extension part housed in the housing part and spreading the locking protrusion outside to lock the locking protrusion inside the plate-like member.

Abstract: A control device includes a first series circuit and a second series circuit. In the first series circuit, a first switch and a first resistor are connected in series to each other. In the second series circuit, a second switch and a second resistor are connected in series to each other. A current detection circuit outputs a voltage value that corresponds to a voltage value between two ends of the first resistor. When an instruction to turn on the first switch and the second switch has been given, a control unit senses any occurrence of a failure in at least one of the first switch, the second switch, the first resistor, and the second resistor, based on the voltage value output by the current detection circuit.

Abstract: Provided is a cutting tool that can have a long tool life even when used to cut soft metals in particular. The cutting tool comprises a base body and a hard carbon film arranged on the base body, the hard carbon film includes an amorphous phase and a graphite phase, the density of the hard carbon film is no less than 2.5 g/cm3 and no more than 3.5 g/cm3, the degree of crystallinity of the hard carbon film is no more than 6.5%, and the average coordination number of the amorphous phase is no less than 2.5 and no more than 4.

Abstract: A wiring member includes a flat wiring body and a protection sheet material partially fixed to at least one main surface of the wiring body in a plurality of positions at intervals. For example, it is considered that the wiring body includes a sheet-like base material and a plurality of wire-like transmission members disposed on one main surface of the base material, and the protection sheet material is partially fixed to the other main surface of the base material.

Abstract: A female terminal includes a terminal body and a slider displaced relative to the terminal body. The terminal body includes a connecting tab deformable in a pressing direction crossing an inserting direction in which an electric wire is inserted and contactable with the electric wire. The slider is slidable between separated and overlapping positions. The slider includes a narrow portion that protrudes inward and has a less inner dimension in the pressing direction, and a wide portion in front of the narrow portion with respect to the inserting direction and has a greater inner dimension in the pressing direction than the narrow portion. The connecting tab contacts the electric wire when the narrow portion overlaps the connecting tab at the overlapping position. The slider includes a sloped guide surface that is angled at in front of the wide portion to spread further than the wide portion toward the front.

Abstract: Provided is a method for manufacturing an optical connector. The optical connector includes: an optical fiber including a glass fiber and a resin coating; and a ferrule including a through hole. The method for manufacturing includes: coating an inner wall of the through hole with a thermosetting resin; inserting the glass fiber exposed from the resin coating into the through hole; adjusting a mutual positional relationship between the optical fiber and the ferrule so that a distance between end surfaces of a tip of the glass fiber and a tip of the ferrule is equal to or less than 1 mm; rotationally aligning the glass fiber with respect to the ferrule; curing the thermosetting resin; and polishing the tip of the glass fiber and the tip of the ferrule.

Abstract: An optical fiber cable includes a plurality of optical fibers, a tensile strength member set that is disposed along the plurality of optical fibers in a longitudinal direction of the optical fiber cable, and a sheath that covers the plurality of optical fibers from outside and encloses the tensile strength member set in the sheath. In the optical fiber cable, at least four tensile strength member sets are embedded in the sheath in a state where the four tensile strength member sets are apart from each other in a radial direction of the optical fiber cable, the sheath includes a flame-retardant inorganic substance and a release agent, and a distance from one of the four tensile strength member sets to a surface layer of the sheath is 0.5 mm or more.

Abstract: A wire harness, including: a wire; an outer sheath that covers a portion of an outer circumferential surface of the wire in a circumferential direction; and a fastener that fixes the outer sheath to an outer circumference of the wire, wherein: the outer sheath includes a first section and a second section that each include an opening that opens in a direction orthogonal to an axis line direction of the wire, and the fastener fixes the outer sheath to the outer circumference of the wire with at least one end surface of the first section in the circumferential direction and at least one end surface of the second section in the circumferential direction facing one another and separated from one another.

Abstract: A photonic crystal surface-emitting laser includes a light emitting region from which light is emitted in a direction crossing an in-plane direction, and a current blocking region that is adjacent to the light emitting region in the in-plane direction and in which current is less likely to flow than in the light emitting region. The light emitting region and the current blocking region each include a photonic crystal layer. The photonic crystal layer has a first region and second regions periodically arranged in the first region. A refractive index of each of the second regions is different from that of the first region. The light emitting region includes a first semiconductor layer, an active layer, and a second semiconductor layer. The first semiconductor layer, the active layer, and the second semiconductor layer are sequentially stacked on top of one another in an emission direction of the light.

Abstract: A diamond magneto-optical sensor includes: a diamond including a color center with an electronic spin, a transmission circuit that transmits electromagnetic waves, and an irradiation unit that irradiates the diamond with electromagnetic waves transmitted by the transmission circuit, wherein the transmission circuit includes an impedance converter that reduces or increases, with respect to the irradiation unit, the impedance of an electromagnetic source for outputting electromagnetic waves.

Abstract: An optical waveguide manufacturing method according to one embodiment is an optical waveguide manufacturing method by irradiating glass with femtosecond laser beam to form an optical waveguide. The optical waveguide manufacturing method includes a first process of irradiating the glass with the femtosecond laser beam having a pulse width of 300 (fs) or less and a repetition frequency of 700 (kHz) or less while relatively moving the glass and a focal position of the femtosecond laser beam and a second process of irradiating an increased refractive index portion with a femtosecond laser beam having a pulse width of 300 (fs) or less and a repetition frequency higher than 700 (kHz).

Abstract: A wiring module is attached to a plurality of power storage devices, electrode terminals of the plurality of power storage devices being arranged in two rows continuously in an aligning direction of the plurality of power storage devices, and the two rows of electrode terminals being separated from each other in a separation direction orthogonal to the aligning direction, the wiring module including: a single substrate that is flexible and has a plurality of first voltage detection lines and a plurality of second voltage detection lines on only one surface thereof, and a connector, the substrate includes: a first connection piece that includes ends on one side of the first voltage detection lines, a second connection piece that includes ends on one side of the second voltage detection lines, and a connector connection piece.

Abstract: A wiring module is attached to a plurality of power storage devices, electrode terminals of the plurality of power storage devices being arranged in two rows continuously in an aligning direction of the plurality of power storage devices, and the two rows of electrode terminals being separated from each other in a separation direction orthogonal to the aligning direction, the wiring module including: a first substrate that is flexible and has a plurality of first voltage detection lines on only one surface thereof, a second substrate that is flexible and has a plurality of second voltage detection lines on only one surface thereof, and a connector, the plurality of first voltage detection lines are folded an odd number of times, ends on one side of the first voltage detection lines are electrically connected to electrode terminals that form one row of the two rows of electrode terminals.

Abstract: A wiring module to be attached to multiple power storage elements including electrodes includes an insulation protector made of synthetic resin having insulating properties, a busbar held by the insulation protector and connected to the electrode, a bolt including a shaft portion that extends through the busbar and a head portion that is at an end of the shaft portion, and a nut that is screwed onto the shaft portion of the bolt. The busbar includes an electrode connection portion that is connected to the electrode and extends in an extending direction and an insertion base portion that extends in a first direction crossing the extending direction and through which the shaft portion of the bolt extends. The insulation protector includes a holding portion that holds and positions the electrode connection portion and a receiving portion receiving the nut or the head portion therein.

Abstract: A wiring member includes a sheet member including a first layer and a second layer, a first wire-like transmission member, and a second wire-like transmission member. A constituent material of the first layer and a constituent material of the second layer are different from each other. A material of a surface of the first wire-like transmission member and a material of a surface of the second wire-like transmission member are different from each other. The first wire-like transmission member is welded to the constituent material of the first layer, and the second wire-like transmission member is welded to the constituent material of the second layer.

Abstract: A wiring member with a fixing member includes a flat wiring member, and a fixing member. The fixing member includes an attachment part and a fixing part. The attachment part includes an annular part and an annular shape maintaining part. The annular part is capable of changing a state between an annular state and a non-annular state. The annular shape maintaining part is provided at one end portion of the annular part, fastens another end portion of the annular part, and maintains the annular part in the annular state. In a state in which the annular part is in the annular state and the attachment part is attached to the flat wiring member, a part of the flat wiring member to which the attachment part is attached is in a spread state.