Abstract: A sintered R-T-B based magnet containing: R: 26.5 mass % or more and 31.5 mass % or less (R is a rare earth element and contains at least one or two selected from the group consisting of Nd and Pr); M: 0.40 mass % or more and 1.50 mass % or less (M is at least one selected from the group consisting of Ga, Cu, Zn, Al, and Si, and necessarily contains Cu); B: 0.85 mass % or more and 0.94 mass % or less; T: 61.5 mass % or more (T is Fe and Co, and 90% or more of T is Fe in mass ratio); O: 0.05 mass % or more and 0.30 mass % or less; Tb: 0.20 mass % or less; and Dy: 0.30 mass % or less, the sintered R-T-B based magnet satisfying the formula: 26.0 mass %?([Nd]+[Pr]+[Ce]+[La]+[Dy]+[Tb])?12([O]+[C])?27.7 mass %.

Abstract: A cable with molded body includes a conductor wire, a sheath covering the conductor wire, and a molded body made of a resin material and covering an outer circumferential surface of the sheath at a portion in the longitudinal direction, wherein a groove extending in a direction intersecting the longitudinal direction is formed on the outer circumferential surface of the sheath, and the resin material enters and fills the groove.

Abstract: Provided is a method for producing hot work tool steel that has a fine annealed structure even if a cross-sectional size is large. This method for producing hot work tool steel having a cross-sectional area of at least 200,000 mm2 includes: a cogging step for heating a steel ingot to 1100 to 1250° C. and then performing hot forging to obtain a semi-finished product; a first finishing forging step for heating the semi-finished product to 850 to 1020° C., and performing upset forging with an upset forging forming ratio of 1.6 or more to obtain an intermediate forged material; and a second finishing forging step for subjecting the intermediate forged material to solid forging with a solid forging forming ratio of 2.0 to 4.0 to obtain a forged material.

Abstract: Provided is hot work tool steel powder for additive manufacturing with which an additively manufactured hot work tool steel object having excellent crack resistance during manufacturing can be manufactured. The hot work tool steel powder for additive manufacturing and the additively manufactured hot work tool steel object comprise: 0.10% to 0.25% both inclusive of C, 0.01% to 0.5% both inclusive of Si, 1.5% or less of Mn, 3.0% to 6.0% both inclusive of Cr, 2.0% to 3.5% both inclusive of one or two of Mo and W according to a relational expression (Mo+½W), 0.3% to 0.7% both inclusive of V, 0% to 0.5% both inclusive of Ni, 0% to 0.25% both inclusive of Cu by mass, and the balance being Fe and unavoidable impurities; and satisfy an equation (1): C+Si/30+(Mn+Cr+Cu)/20+Ni/60+(Mo+½W)/15+V/10?0.75.

Abstract: An antenna radiating element includes an antenna portion and a reflector. The antenna portion includes two bow-tie antennas arranged in a cross shape. The reflector includes a tubular portion having a cross-sectional shape, which is a regular octagon, in a cross-section orthogonal to an axial direction, a bottom portion closing one end part in the axial direction of the tubular portion, and an opening portion provided at an end part opposite to the one end part of the tubular portion. The antenna portion is positioned in the vicinity of the opening portion.

Abstract: A wire straightening device, including a straightening unit that performs straightening on a wire running in a longitudinal direction, an upstream measuring unit that measures a state of the wire at an upstream position from the straightening unit, and a controller that controls an operation of the straightening unit based on a measurement result of the upstream measuring unit, wherein the straightening unit includes a plurality of straightening rollers that contact the wire and perform straightening on the wire, an actuator that presses the straightening rollers toward the wire, and a load adjustment unit that adjusts a roller load applied from the actuator to the straightening rollers, and wherein the controller determines an open resistance pattern, which is a pattern of change in a roller load when the plurality of straightening rollers is pushed back by the wire, based on the measurement result of the upstream measuring unit.

Abstract: A three-phase coil structure (30) having a two-phase coil set (32) including a plurality of rectangular air-core coils arranged side by side so as to be adjacent to each other in the same plane includes a one-phase coil set (31) including two air-core coils having different sizes and bending angles bent at both ends and disposed to straddle adjacent long sides of the two-phase coil set (32), wherein a number of turns of each of the air-core coils of the one-phase coil set (31) is larger than a number of turns of each of the air-core coils of the two-phase coil set (32).

Abstract: Provided are a method for manufacturing a positive-electrode active material for a lithium-ion secondary battery that has excellent electrochemical characteristics and makes it possible to reduce the amount of greenhouse gases (GHGs) discharged, a precursor used in the aforementioned method, and a method for manufacturing the precursor. The present invention is a method for manufacturing a precursor of a positive-electrode active material for a lithium-ion secondary battery, the method having an oxidation step for mixing together a metal nickel powder and a lithium-containing compound, and then oxidizing the metal nickel powder after the mixing, the oxidation step resulting in formation of a precursor including nickel oxide having an oxidation rate of 10-70%, the oxidation rate indicating the proportion of the amount of oxidized nickel to the entire amount of Ni contained.

Abstract: A position detection device, configured to detect a position of a shaft that moves forward and backward in an axial direction, is provided with an excitation coil that generates an alternating magnetic field; a target which is fixed to the shaft and in which a magnetic flux of the alternating magnetic field is interlinked; and a detection coil in which the magnetic flux of the alternating magnetic field is interlinked, wherein the detection coil has a first portion and a second portion, where an induced voltage is generated by the magnetic flux of the alternating magnetic field being interlinked, and a connecting path connecting the first portion and the second portion. The first portion and the second portion respectively extend along the axial direction and the coil longitudinal direction parallel to the axial direction and at least a portion of each is aligned in an alignment direction perpendicular to the axial direction.

Abstract: A hot work tool steel or hot work tool contains, in mass %, 0.25 to 0.45% of C, 0.1 to 0.4% of Si, 0.5 to 0.9% of Mn, 0.2 to 0.6% of Ni, 4.9 to 5.5% of Cr, 1.9 to 2.3% of Mo or 1/2W by itself or 1.9 to 2.3% of (Mo+1/2W) in combination, 0.6 to 0.9% of V, and a balance of Fe and impurities, and value A and value B calculated by the following Formula 1 and Formula 2 satisfy that value A is 6.00 or more and value B is 1.00 or less. Value ? A = - 0.7 ? ( % ? Si ) + 1.5 ( % ? Mn ) + 1.3 ( % ? Ni ) + 0.9 ( % ? Cr ) + 0.6 ( % ? ( Mo + 1 / 2 ? W ) ) + 0.3 ( % ? V ) Formula ? 1 Value ? B = 1.9 ( % ? C ) + 0.043 ( % ? Si ) + 0.12 ( % ? Mn ) + 0.09 ( % ? Ni ) + 0.042 ( % ? Cr ) + 0.03 ( % ? ( Mo ) + 1 / 2 ? W ) ) - 0.

Abstract: A new substrate manufacturing method of obtaining a SiC epitaxial substrate having excellent flatness and a SiC epitaxial substrate having excellent flatness are provided. In a Sic epitaxial substrate having an epitaxial film obtained by epitaxially growing silicon carbide on a front surface of a silicon carbide substrate, the SiC epitaxial substrate has a first main surface made of the epitaxial film and a second main surface opposite to the first main surface. A maximum value of SBIR on the second main surface based on a 10 mm square site satisfies a condition of 0.1 ?m or more and 1.5 ?m or less.

Abstract: A wiring component is provided with a plurality of electric wires, and a holding portion that batch holds respective portions of the plurality of electric wires. The holding portion includes a holder that supports the plurality of electric wires in a predetermined positional relationship, and a resin mold portion composed of resin molded to cover the holder and the respective portions of the plurality of electric wires. The holder includes a substrate portion and a plurality of wire-holding portions formed protruding from the substrate portion. The plurality of electric wires are supported by the plurality of wire-holding portions, respectively. A notch or a through-hole is formed in the substrate portion corresponding to a portion into which molten resin is injected when forming the resin mold portion.

Abstract: A communication cable terminal connection structure to connect a terminal of a communication cable to a substrate, wherein the communication cable includes a pair of conductors arranged in parallel and an insulator covering a periphery of the pair of conductors collectively, wherein the substrate has signal electrodes to which the conductors are electrically connected, wherein the communication cable has conductor exposed portions exposing the pair of conductors to a predetermined length from an end of the insulator, wherein the conductors at the conductor exposed portions have connection portions, each connection portion being shaped to have a width in an arrangement direction of the pair of conductors smaller than a height in a direction perpendicular to both the arrangement direction and a longitudinal direction of the conductors, wherein a spacing between the connection portions is greater than a spacing between the pair of conductors in a covered portion where the conductors are covered by the insulator,

Abstract: A cable connection structure is provided with a cable having a plurality of electric wires including core wires made of metal conductors coated with insulators, respectively, and a sheath covering the plurality of electric wires, and an electronic component including a plurality of electrodes. In the cable, the core wires and the insulators of the plurality of electric wires and the sheath are collectively cut perpendicularly to a longitudinal direction at an end of the cable, and tip portions of the core wires including cutting edges of the core wires of the plurality of electric wires are soldered to the plurality of electrodes, respectively.

Abstract: A method for manufacturing Fe—Co based alloy substrate includes: a cold rolling step of performing cold rolling on a cold rolling material of an Fe—Co based alloy to obtain a cold rolled material having a thickness of 0.5 mm or less, and a step of performing magnetic annealing on the cold rolled material under conditions of a vacuum degree of 0.001 to 0.05 Pa, a heating temperature of 750 to 900° C., and a heating and holding time of 1 to 5 h.

Abstract: An alloy member and a product using the same are provided. The alloy member includes elements Co, Cr, Fe, Ni, and Ti each in a range of 5 atom % or more to 35 atom % or less, Mo in a range exceeding 0 atom % and 8 atom % or less, and unavoidable impurities as a remainder. The alloy member includes a microcell structure with an average particle diameter of 10 ?m or less at least in crystal grains of a surface layer part. A boundary part of the microcell structure has a dislocation having a surface density higher than that inside the microcell structure. Ultrafine particles having an average particle diameter of 50 nm or less are dispersed and precipitate at least inside the microcell structure.

Abstract: Provided are: steel for knives, having a higher hardness and better corrosion resistance than conventional steel for knives; a knife; steel for martensitic knives; and a production method for same. The steel for knives comprises a component composition containing, in mass %, 0.55 to 0.95% C, 0.1 to 0.49% Si, 0.1%-1.5% Mn, 9.0 to 10.2% Cr, and 0.5%-3.0% of either Mo or W or a complex of both (Mo+W/2), with the remainder being Fe and unavoidable impurities.

Abstract: A cable life prediction method, includes: acquiring resistance value data indicating chronological change in a resistance value of a cable based on an operation of a managed device and an operating data, by a cable status management device, from a device user-side data management device, thereby, in the cable status management device, estimating wire-break progress in the cable based on at least one of the acquired resistance value data and the acquired operating data; and in the cable status management device, predicting a life of the cable based on a wire-break progress data and the operating data, and storing the predicted life of the cable as cable life prediction data. At least a device manufacturer terminal of a device manufacturer that manufactures the managed device or a cable manufacturer terminal of a cable manufacturer that manufactures the cable is configured to be accessible with the stored cable life prediction data.

Abstract: A high frequency module includes a first board including a connection portion protruding from an end portion thereof, and a second board including a board through-hole penetrating the second board in a thickness direction thereof. The first board includes a connection pattern connecting a terminal pad formed on a leading end of the connection portion penetrating the board through-hole and a first line pattern forming a tri-plate line. The connection pattern has a line width increasing stepwise from the terminal pad toward the first line pattern. The second board includes a connection pad electrically connected to the terminal pad penetrating the board through-hole.

Abstract: A method for manufacturing Fe—Co-based alloy substrate includes: a coating step of forming a liquid film by coating a magnesium hydroxide solution on a surface of an Fe—Co-based alloy substrate, and a heat treatment step of performing a heat treatment by setting a heating retention time such that the substrate after coating satisfies a temperature of 300° C. or higher and 480° C. or lower and a conditional expression (1): T×H/1000?12.5 (where T is the heating retention time [min], and H is heating temperature [° C.]), thereby forming a magnesium oxide film having a thickness of 0.4 ?m to 2.0 ?m on the surface of the Fe—Co-based alloy substrate.