Abstract: The silicon carbide substrate includes a first impurity region, a second impurity region, and a third impurity region. The first impurity region includes: a first region in contact with the second impurity region; a second region that is in contact with the first region, that is located opposite to the second impurity region when viewed from the first region, and that has an impurity concentration higher than an impurity concentration of the first region; and a third region that is in contact with the second region, that is located opposite to the first region when viewed from the second region, and that has an impurity concentration lower than the impurity concentration of the second region. The gate insulating film is in contact with the first region, the second impurity region, and the third impurity region at a side portion of a trench.

Abstract: A wavelength de-multiplexing system that receives a wavelength multiplexed signal and generates electrical signals corresponding to the optical signals is disclosed. The optical receiver module includes a lens, a lens unit, and an optical de-multiplexer (O-DeMux). The lens converts the wavelength multiplexed signal into a quasi-collimated beam. The lens unit narrows a diameter of the quasi-collimated beam. The O-DeMux de-multiplexes the narrowed quasi-collimated beam coming from the lens unit by wavelength selective filters (WSFs) each having optical distances from the lens unit different from each other.

Abstract: A composite polycrystal includes: a polycrystalline diamond phase including a plurality of diamond particles; and non-diamond phases composed of non-diamond carbon. The non-diamond phases are distributed in the polycrystalline diamond phase. An average value of projected area equivalent circle diameters of the non-diamond phases is not more than 1000 nm.

Abstract: Provided is a control apparatus configured to control update of a control program of an on vehicle control device which controls target equipment installed in a vehicle. The control apparatus includes: a memory configured to store an update program for the control program; a determination unit configured to determine priority levels of a plurality of update programs stored in the memory: and a control unit configured to download the plurality of update programs according to the determined priority levels in descending order of the priority levels. The determination unit determines the priority levels on the basis of one or more safety indices that are associated with each of the plurality of update programs stored in the memory.

Abstract: Better thermoelectric characteristics of a thermoelectric material containing nanoparticles are achieved. The thermoelectric material contains a plurality of nanoparticles distributed in a mixture of a first material having a band gap and a second material different from the first material. The first material contains Si and Ge. A concentration of atoms of the second material and a composition ratio of Si to Ge satisfy relational expressions in expressions (1) and (2) below with c representing a concentration of atoms (unit of atomic %) of the second material in the thermoelectric material and r representing the composition ratio of Si to Ge: r?0.62c?0.25??(1) r?0.05c?0.06??(2).

Abstract: A terminal (20) is connected to a core (12) of a wire (13). The terminal (20) includes two wire barrels (25L, 25R) extending from a bottom portion (22) on which the core (12) is placed. The wire barrels (25L, 25R) are crimped to wind around the core (12). The core (12) includes strands (11) made of metal having a larger tensile strength than metal of the female terminal (20). At least first, second and third strands (11J, 11K) and (11L) are disposed side by side in a direction intersecting an extending direction of the core (20) inside the wire barrels (25L, 25R). A tip of the wire barrels (25L, 25R) is inserted between the first and second strands (11J, 11K) and a tip of the other of the pair of wire barrels (25L, 25R) is inserted between the second and third strands (11K, 11L).

Abstract: A variable attenuator operable in a frequency band from at least 10 GHz is disclosed. The variable attenuator includes an input port; an output port; a first transmission line connecting the input port with the output port; an attenuating unit provided between the first transmission line and the ground; and a second transmission line. The attenuating unit includes at least one transistor with two current terminals coupled with the first transmission line and ground, respectively. The second transmission line is coupled between the two current terminals of the transistor. The second transmission line is operable as an inductor in the frequency band. A feature of the variable attenuator is that the transistor and the second transmission line cause a resonance frequency within the frequency band by a capacitor between the two current terminals and the inductance of the second transmission line.

Abstract: An aluminum alloy wire is composed of an aluminum alloy. The aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer crystallization measurement region in a shape of a rectangle having a short side length of 50 ?m and a long side length of 75 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 50 ?m in a depth direction, and an average area of crystallized materials in the surface-layer crystallization measurement region is equal to or more than 0.05 ?m2 and equal to or less than 3 ?m2.

Abstract: A rotary cutting blade material has an attaching structure forming portion that is to serve as an attaching portion to the shank, a cutting structure forming portion that is to serve as a cutting blade, and a joint portion. The cutting structure forming portion has a core portion and a surface portion provided on the attaching structure forming portion with the joint portion being interposed, and the surface portion covers at least a part of a surface of the core portion. The attaching structure forming portion includes a hard material including a hard component and one or two or more types of iron group elements, and the hard material has a Young's modulus of not more than 350 GPa. The core portion includes a cemented carbide material, and the surface portion includes PCD or CBN.

Abstract: A wire harness 10 has a sheathing material 21 that is flexible and covers wires 11, a path-regulating member 31 for regulating a path along which the wires 11 are arranged from outside of the sheathing material 21, the path-regulating member 31 having an axial direction parallel to the path along which the wires 11 are arranged, and an intermediate clamp 41. The intermediate clamp 41 has a support portion 51 for supporting the path-regulating member 31, and an attachment portion 61 with a ring-shaped structure for attaching the sheathing material 21. The attachment portion 61 has an insertion portion 62 that enables the sheathing material 21 to be inserted therefrom in a radial direction of the ring-shaped structure. The attachment portion 61 can be changed between an open orientation that enables the sheathing material to be inserted from the insertion portion 62, and a closed orientation that makes the ring-shaped structure into a continuous ring shape.

Abstract: A method for manufacturing a silicon carbide substrate includes steps of preparing a silicon carbide substrate having a main surface, polishing the main surface of the silicon carbide substrate using a polishing agent containing a metal catalyst, and cleaning the silicon carbide substrate after the step of polishing. The step of cleaning includes a step of cleaning the silicon carbide substrate with aqua regia.

Abstract: A flexible printed circuit board according to one aspect of the present invention includes a base film having an insulating property and a conductive pattern laminated on one surface of the base film, and has a terminal connecting area toward one end edge of the conductive pattern, the flexible printed circuit board including a reinforcement member laminated on another surface of the base film and situated at least at a position opposite the terminal connecting area, wherein a shape of an end edge of the reinforcement member on the same side as an opposite end edge of the conductive pattern includes a periodic form constituted by curved lines.

Abstract: An insulated electric wire includes a conductor and an insulating layer covering an outer periphery of the conductor. The insulating layer is formed of a crosslinked polymer of an insulating resin composition that contains a resin component containing a first copolymer which is a copolymer of ethylene and an unsaturated hydrocarbon having 4 or more carbon atoms and which has a density of less than 0.88 g/cm3, a second copolymer which is a copolymer of ethylene and an unsaturated hydrocarbon having 4 or more carbon atoms and which has a density of 0.88 g/cm3 or more and less than 0.

Abstract: There is provided a technique for producing a superconducting wire material in which the yield in a process of joining superconducting wire materials is improved over the related art. A method for producing a superconducting wire material lengthened by joining end portions of superconducting wire materials each having an oxide superconducting film, the end portions serving as joining surfaces, includes a step of disposing a micro-crystal of an oxide superconducting material on each of the joining surfaces of the oxide superconducting films, a pasting step of overlapping and pasting together the joining surfaces on which the micro-crystal is disposed, and a heat joining step of heating the overlapped joining surfaces to grow the micro-crystal, thereby forming, as a joining layer, a superconducting layer of the oxide superconducting material to join the joining surfaces to each other.

Abstract: A protective member for a wire harness, the wire harness including a wire, an exterior material that has flexibility and covers the wire, a route regulator that has an axis extending along a wiring route of the wire and regulates the wiring route of the wire from outside the exterior material, a fixing member for fixing the route regulator to a vehicle, and at least one connector that connects the route regulator to the exterior material, the protective member being configured to protect the exterior material of the wire harness, the protective member including: a cover for covering the exterior material; an attachment that is to be attached to the exterior material or the route regulator; and a protective member connector that connects the cover and the attachment to each other.

Abstract: This detection device is configured to detect an unauthorized message in an on-vehicle network mounted in a vehicle, and includes: a message acquisition unit configured to acquire one or a plurality of transmission messages in the on-vehicle network; a data acquisition unit configured to acquire a set of a plurality of types of data that are included in the transmission messages acquired by the message acquisition unit and that correspond to the same time; a storage unit configured to store a detection condition, the detection condition being created in advance and based on a plurality of the sets that respectively correspond to a plurality of times; and a detection unit configured to detect the unauthorized message on the basis of the set acquired by the data acquisition unit and the detection condition.

Abstract: A proton-conductive solid electrolyte member has an electrolyte layer and an anode layer. The electrolyte layer contains a metal oxide having a perovskite crystal structure. The anode layer contains Fe2O3 and the metal oxide. The metal oxide is a metal oxide expressed by the following formula [1], or a mixture or a solid solution of a metal oxide expressed by the following formula [1]: AaBbMcO3-?, where A denotes one element selected from the group consisting of Ba and Ca; B denotes one element selected from the group consisting of Ce and Zr; M denotes one element selected from the group consisting of Y, Yb, Er, Ho, Tm, Gd, In, and Sc; a is a number satisfying 0.85?a?1; b is a number satisfying 0.50?b?1; c is a number satisfying c=1?b; and ? is an oxygen deficiency amount.

Abstract: A control apparatus that includes an in-vehicle communication unit configured to communicate with an on-vehicle control device, a storage unit configured to store a plurality of types of communication paths from the in-vehicle communication unit to the on-vehicle control device, and a selection unit configured to select a transmission path for transmitting an update program to the on-vehicle control device, among the plurality of types of stored communication paths.

Abstract: A method includes steps of: acquiring a target wavelength; acquiring a drive condition of a wavelength tunable laser diode; driving the wavelength tunable laser diode based on the drive condition; acquiring a measured value of the first current measured by a first photodetector, a measured value of a second current measured by a second photodetector and a measured value of the drive condition; determining the measured value of the first current as a first target value; calculating a second target value of the second current from the measured value of the drive condition and the target value of the first current; and coinciding a ratio of the measured value of the first current with respect to the measured value of the second current, to a ratio of the first target of the first current with respect to the second target of the second current, by changing the drive condition.

Abstract: A preferential control cancel unit includes: a determination unit configured to determine whether or not a vehicle approaching an intersection is an execution target of preferential control for preferential passage through the intersection; and a control unit configured to cause execution of the preferential control to be canceled in a case where the vehicle is determined to be the execution target and a predetermined condition is satisfied.