Abstract: A base material for a printed circuit board includes: an insulating base film; a sintered layer that is layered on at least one side surface of the base film and that is formed of a plurality of sintered metal particles; an electroless plating layer that is layered on a surface of the sintered layer that is opposite to the base film; and an electroplating layer that is layered on a surface of the electroless plating layer that is opposite to the sintered layer, wherein an arithmetic mean height Sa of the surface of the electroless plating layer opposite to the sintered layer is greater than or equal to 0.001 ?m and less than or equal to 0.5 ?m.

Abstract: The present invention provides a semiconductor device in which a field effect transistor is prevented from burning caused by an electric current flowing through a parasitic diode. This semiconductor device has a configuration including: a field effect transistor including a parasitic diode; a temperature detector that detects a temperature of the parasitic diode; and a controller that determines whether the temperature detected by the temperature detector is higher than or equal to a first temperature, and turns on the field effect transistor if the detected temperature is higher than or equal to the first temperature.

Abstract: A gallium nitride substrate has a surface with a diameter of not less than 100 mm, a difference being not less than 0.1 cm?1 and not more than 2 cm?1 between maximum and minimum values of wave numbers at a maximum peak of peaks corresponding to an E2H phonon mode in micro-Raman scattering mapping measurement at each of square regions having sides each having a length of 2 mm, the square regions being located at a total of five locations including a central location and four circumferential edge locations on the surface of the gallium nitride substrate, a difference being not more than 2 cm?1 between maximum and minimum values of the wave numbers at the maximum peak of the peaks corresponding to the E2H phonon mode at all of measurement points in the five locations.

Abstract: A surface-emitting laser includes a light-emitting portion provided on a substrate; and two first electrodes and a second electrode provided over the substrate. At least one of the two first electrodes and the second electrode are electrically connected to the light-emitting portion. The at least one of the two first electrodes is one of a cathode electrode and an anode electrode. The second electrode is the other of the cathode electrode and the anode electrode. One of the two first electrodes and the second electrode are arranged in a first direction. The other of the two first electrodes and the second electrode are arranged in a second direction intersecting the first direction.

Abstract: A magnesium alloy containing Al, Sr, Ca, and Mn, with the balance being Mg and inevitable impurities, the magnesium alloy having: a structure having an ?-Mg phase, and a precipitate dispersed in at least one of a grain boundary of the ?-Mg phase and a cell boundary, the precipitate including: at least one phase selected from a group A consisting of an Al2Sr phase, an Al4Sr phase, a (Mg, Al)2Sr phase, and a (Mg, Al)4Sr phase; and at least one phase selected from a group B consisting of an Al2Ca phase and a (Mg, Al)2Ca phase, the magnesium alloy having, in a cross section, a total area rate of a group A precipitate and a group B precipitate of greater than or equal to 2.5% and less than or equal to 30%.

Abstract: To provide a technique for enabling a single exterior member to be easily used for both a region of a wire harness that is disposed in a flat state and a region thereof that is disposed in a bent state. The wire harness includes an exterior member formed in a sheet shape, and a wire disposed overlapping the exterior member in at least a partial region extending along an extension direction of the wire. At least a part of a portion where an insulating covering of the wire and the exterior member overlap is welded. A partial region of the exterior member that extends along the extension direction of the wire is in a flat state, and at least another partial region of the exterior member that extends along the extension direction of the wire is rolled up in a direction intersecting the extension direction of the wire.

Abstract: A relay circuit board includes: a plurality of first pads arranged in parallel in a first direction; a plurality of second pads arranged in parallel in a second direction; and wirings connecting the plurality of first pads and the plurality of second pads, respectively. The second direction is inclined at a predetermined angle with respect to the first direction, and the predetermined angle is greater than 0 degree and smaller than 90 degrees.

Abstract: On an outer circumferential edge of a closing plate, an elastic fitting portion protruding to an outer side of an inner circumferential edge of a the service hole and fitting with the inner circumferential edge projects with a thickness larger than the plate thickness of the closing plate and extends in the circumferential direction of the outer circumferential edge. The elastic fitting portion is provided with an inner circumferential edge accommodating recessed groove that opens in the center of a protruding end surface of the elastic fitting portion and extends in the circumferential direction to accommodate the inner circumferential edge of the service hole, and the inner circumferential edge of the service hole is clamped between a pair of elastic clamping pieces that face each other with the inner circumferential edge accommodating recessed groove interposed between the pair of elastic clamping pieces.

Abstract: A support member includes a fitting part formed to be fitted to a rod-like member and a harness support part. The fitting part includes: a body part including a base part and a rotational part formed to be rotatably connected to the base part via a hinge, a state of which can be changed between a close state where the base part and the rotational part are fitted to the rod-like member and an open state where the rotational part rotates in a direction to be opened from the close state; and a rotational state changing part formed so that the state of the body part is changed from the open state to the close state upon receiving a pressing force from the rod-like member disposed in the body part in a state where the base part and the rotational part are in the open state.

Abstract: Provided is a battery monitoring device for a vehicle-mounted battery that can more accurately detect voltage in each location in the battery module and can protect a circuit if overcurrent and overvoltage occur. In the battery monitoring device for the vehicle-mounted battery, a power source line is electrically connected to a high voltage electrode portion, and is a path through which current flows from a high voltage electrode portion side without passing through a first fuse (first current interruption unit) of the high voltage signal line. The second Zener diode has a cathode that is electrically connected to the power source line and an anode that is electrically connected to another one of the plurality of high voltage signal lines than the high voltage signal line.

Abstract: A driving safety support system according to one aspect of the present disclosure includes a server, and a safety driving assistant device. The server performs operations including: acquiring, from probe vehicles, probe information including information of a time within a predetermined time period and a position of the corresponding probe vehicle at the time; calculating, based on the probe information, a traffic congestion tail position located upstream of a branch point at which a road branches into a plurality of lanes; and calculating a lane-change recommendation section in which a lane change is recommended based on the traffic congestion tail position. The safety driving assistant device performs operations including executing a driving safety support process for a target vehicle based on the lane-change recommendation section.

Abstract: An insulated electric wire includes a linear conductor and one or a plurality of insulating layers formed on an outer peripheral surface of the conductor. At least one of the one or plurality of insulating layers contains a plurality of pores, outer shells are disposed on peripheries of the pores, and the outer shells are derived from shells of hollow-forming particles having a core-shell structure. A varnish for forming an insulating layer contains a resin composition forming a matrix and hollow-forming particles having a core-shell structure and dispersed in the resin composition. In the varnish, cores of the hollow-forming particles contain a thermally decomposable resin as a main component, and shells of the hollow-forming particles contain a main component having a higher thermal decomposition temperature than the thermally decomposable resin.

Abstract: A reactor is provided that can reduce or alleviate stress that can be applied to a magnetic core, and also has excellent manufacturability, and a reactor manufacturing method is also provided. The reactor includes a coil and a magnetic core that includes a plurality of core pieces and a gap member that is interposed between at least one set of core pieces, the magnetic core forming a closed magnetic circuit when the coil becomes excited. At least one gap member is a resin foam gap member that includes, in a contact region that comes into contact with the core pieces, a resin foam portion constituted by resin foam.

Abstract: An optical fiber array includes a support, a single-mode optical fiber and a plurality of multimode optical fibers, the single-mode optical fiber and the multimode optical fibers being arranged on the support, and a polarizing plate provided on an end face of the support, wherein the single-mode optical fiber has polarization maintaining characteristics, an end face of the single-mode optical fiber and end faces of the multimode optical fibers face the end face of the support, and the polarizing plate covers the end faces of the multimode optical fibers.

Abstract: A method for producing an aluminum wire that has high strength and high conductivity even when reduced in diameter while having excellent elongation and improved in productivity. A method for producing an aluminum wire includes a solution step of subjecting a heat-treatable aluminum alloy material to a solution treatment, a wire-drawing step of subjecting the solution-treated aluminum alloy material to wire-drawing processing, a softening step of subjecting the wire-drawing processed aluminum alloy material to a softening treatment in a short time within 10 seconds, and an aging step of subjecting the softening-treated aluminum alloy material to an aging treatment.

Abstract: An optical connector according to an embodiment includes: an optical fiber extending along a connecting direction; a front housing in a tubular shape including a first opening and a second opening; a ferrule configured to retain the optical fibers and having a light incidence-emission part optically connected to a corresponding connector; a pin keeper configured to retain a guide pin inserted into the ferrule; and a rear housing fixed with the second opening covered and configured to support the coil spring in the inside of the front housing. The rear housing has an insertion hole into which the optical fiber is insertable from a direction intersecting with the connecting direction.

Abstract: A low pressure chemical vapor deposition (LPCVD) technique for nitride semiconductor materials includes steps of: setting a temperature in a furnace to be 750 to 900° C.; substituting an atmosphere in the furnace to ammonia (NH3); depositing a SiN film at an initial pressure by supplying di-chloro-silane (SiH2Cl2); and subsequently depositing the SiN film at a deposition pressure that is higher than the initial pressure. The invention has a feature that the initial pressure is at least higher than 60% of the deposition pressure.

Abstract: A method to manufacture an electrical connection assembly includes: preparing a wiring material (10) that has conductors and an insulation coating, and preparing a connector (CN) including terminals (20) each having an outward projecting portion (24) with a conductor connection surface (27a) and an insulating housing (30). The method proceeds by setting solder on the conductor connection surfaces (27a) and then removing the insulation coating covering parts to be connected from surfaces of the conductors by melting or dissolving the insulation coating. The method also electrically connects the conductors of the parts to be connected to the conductor connection surfaces (27a) by the solder by heating the parts of the respective conductors to be connected together with the solder while holding a state where the conductors of the wiring material (10) are arrayed at intervals from each other in an array direction.

Abstract: An optical connector manufacturing method includes inserting a protrusion of a fixing jig into a positioning hole in an end face of a cladding of an optical fiber and restraining rotation of the optical fiber, the positioning hole extending in an optical axis direction, the optical fiber being inserted in a through hole in a connector ferrule and protruding from an end face of the connector ferrule; and securing the optical fiber to the connector ferrule, with the protrusion of the fixing jig inserted in the positioning hole.

Abstract: Nano polycrystalline diamond is composed of carbon, an element of different type which is an element other than carbon and is added to be dispersed in carbon at an atomic level, and an inevitable impurity. The polycrystalline diamond has a crystal grain size not greater than 500 nm. The polycrystalline diamond can be fabricated by subjecting graphite in which the element of different type which is an element other than carbon has been added to be dispersed in carbon at an atomic level to heat treatment within high-pressure press equipment.