Abstract: A Sm—Fe—N-based magnet powder that includes a Sm—Fe—N-based magnetic material powder, wherein an average particle size of the Sm—Fe—N-based magnetic material powder is not larger than 5 ?m, and a full width at half maximum of a diffraction peak of a (220) plane in an X-ray diffraction profile of the Sm—Fe—N-based magnetic material powder is not larger than 0.0033 ?. Also disclosed is a Sm—Fe—N-based sintered magnet that includes a sintered body of a Sm—Fe—N-based magnetic material, wherein an average grain size of crystal grains of the Sm—Fe—N-based magnetic material is not larger than 5 ?m, and a full width at half maximum of a diffraction peak of a (220) plane in an X-ray diffraction profile of the Sm—Fe—N-based magnetic material is not larger than 0.0033 ?.

Abstract: A silver-plated product having a higher hardness and more excellent wear resistance than those of conventional silver-plated products, and a method for producing the same.

Abstract: A negative electrode material for a secondary battery includes a silicon-containing particle, and a coating layer that covers at least a portion of the surface of the silicon containing particle. The silicon-containing particle includes an ion-conducting phase, and silicon phases dispersed in the ion-conducting phase. The coating layer includes a lithium sulfonate compound and a hydrophobic polymer compound.

Abstract: A negative electrode for a secondary battery includes a silicon-containing particle, and a coating layer that covers at least a portion of the surface of the silicon-containing particle. The silicon-containing particle includes an ion-conducting phase, and silicon phases dispersed in the ion-conducting phase. The coating layer includes a lithium sulfonate compound and a linear saturated fatty acid compound having 10 or more carbon atoms.

Abstract: An eccentricity measurement method includes first to eighth steps. In the first step, an eccentricity measurement device for relatively linearly moving an optical image for measurement to an optical unit under test and acquiring an image on an observed surface orthogonal to a reference axis defined by a relative movement trajectory of the optical image is provided. In the second step, a position of a reference point is identified. In the third step, an optical unit under test is arranged. In the fourth step, the optical image is projected onto a projection position on the reference axis and a reflected image reflected on the surface under test is formed at an observation position where a distance from the projection position is a set value L. In the fifth step, a measurement image is acquired. In the sixth step, an image of the reflected image is identified. In the seventh step, an amount of positional deviation of the image of the reflected image is measured.

Abstract: An antenna module includes a dielectric substrate; a first ground electrode and a second ground electrode that are arranged at the dielectric substrate; a plurality of first antenna elements that are arranged in a first direction at the dielectric substrate; and a second antenna element that is arranged at the dielectric substrate. The plurality of first antenna elements face the first ground electrode in a second direction that is different from the first direction. The second antenna element faces the second ground electrode in the second direction. The second antenna element is arranged between first antenna elements that are adjacent to each other, among the plurality of first antenna elements, when seen from a third direction that is orthogonal to the first direction and the second direction.

Abstract: A silver-plated product having a higher hardness and more excellent wear resistance than those of conventional silver-plated products, and a method for producing the same.

Abstract: A method of manufacturing a laminate, the method including: providing a film-form firing material on a support sheet, the film-form firing material containing a sinterable metal particle and a binder component and having an identical or substantially identical shape and an identical size to a shape and size of a semiconductor chip; applying, to a substrate, the film-form firing material on the support sheet; peeling off the support sheet from the substrate and the film-form firing material; applying a back surface side of the semiconductor chip to the film-form firing material on the substrate to face each other; and sinter-bonding the semiconductor chip and the substrate by heating the film-form firing material to 200° C. or higher.

Abstract: A negative electrode active material for nonaqueous electrolyte secondary batteries according to the present invention is characterized by containing composite particles that contain SiC and at least one of Si and an Si alloy, and is also characterized in that the composite particles have a crystallite diameter of 2.0 mm to 5.0 nm as calculated from the half width of the diffraction peak of the (111) plane of SiC in an XRD pattern obtained by an X-ray diffraction method.

Abstract: A negative electrode for a secondary battery includes a negative electrode current collector and a negative electrode mixture layer including a negative electrode active material, wherein the negative electrode active material includes carbon particles and Si-containing particles, and in a distribution in a plane direction of the negative electrode mixture layer of a presence probability of Si element in a thickness direction of the negative electrode mixture layer, a difference of an upper limit value Rmax and a lower limit value Rmin in a 1? region: Rmax?Rmin is 20% or less.

Abstract: Provided is a solid electrolyte which is identified as 3LiOH·Li2SO4 by diffractometry. The solid electrolyte further contains boron.

Abstract: Relating to the field of anode material, an anode material, a preparation method thereof and a lithium ion battery provided. The anode material includes an aggregate, the aggregate comprises a carbon material and a silicon material, there is an anion present in the aggregate, and the anion accounts a mass content of 0.001 wt % to 0.5 wt % in the anode material. The anode material, preparation method thereof, and lithium ion battery provided improve initial Coulombic efficiency of a silicon anode material, and reduce production cost.

Abstract: Relating to the field of anode material, an anode material, a preparation method thereof and a lithium ion battery provided. The anode material includes an aggregate, and the aggregate includes a carbon material and a silicon-based material, where the anode material has a porosity W of ?2.5%, and particles with a pore diameter of >50 nm in the anode material has a quantity proportion P of ?1%. The porosity of the anode material is obtained by the following test method: a pore volume ?V of the anode material is tested by using a micro-pores size distribution method; and a true density P of the anode material is tested, and the porosity W of the anode material is calculated to be W=?V/(?V+1/P). The anode material effectively isolates electrolyte, prevents structure of the anode material from collapsing, and improves cycle performance of the battery.

Abstract: A silver-plated material has excellent abrasion resistance and has such performance that the resistance to peeling of a silver coating layer is maintained high even when the silver-plated material is exposed to a high temperature and high humidity environment. The silver-plated material is obtained by a production method, in which when a silver plating layer is formed on a material by an electroplating method using a cyanide-containing silver plating solution, as the silver plating solution, an aqueous solution, in which a benzothiazole or a derivative thereof, and a selenium-containing substance are dissolved, a selenium concentration is 0.9 to 120 mg/L, and a molar ratio of selenium to the benzothiazole or the derivative thereof is 0.08×10?3 or more, is used. As a substance corresponding to the benzothiazole or the derivative thereof, for example, mercaptobenzothiazole or a derivative thereof can be used.

Abstract: An antenna module includes a first dielectric substrate at which a first radiating electrode with a flat plate shape is disposed and a second dielectric substrate at which a second radiating electrode shape is disposed. The first dielectric substrate has a first surface and a second surface that are opposite each other. The first radiating electrode is disposed on the second surface of the first dielectric substrate or at a position between the first and second surfaces of the first dielectric substrate. The second dielectric substrate includes a region that is arranged so as abut the first dielectric substrate and a region that is in contact with the first surface of the dielectric substrate. A normal direction of the radiating electrode is different from a normal direction of the radiating electrode.

Abstract: There are provided a silver-plated product having a more excellent wear resistance than that of conventional silver-plated products, and a method for producing the same. The method comprises the steps of: preparing a silver-plating solution which is an aqueous solution containing silver potassium cyanide or silver cyanide, potassium cyanide or sodium cyanide, and a benzothiazole or a derivative thereof; and forming a surface layer of silver on a base material by electroplating at a liquid temperature and at a current density in the silver-plating solution so as to satisfy (BC/A)2/D?10 (° C.2·dm2/A) assuming that a concentration of free cyanide in the silver-plating solution is A (g/L), that a concentration of a benzothiazole content of the benzothiazole or derivative thereof in the silver-plating solution is B (g/L), that the liquid temperature of the silver-plating solution is C (° C.) and that the current density during the electroplating is D (A/dm2).

Abstract: A negative electrode of this lithium ion secondary battery comprises a negative electrode collector and a negative electrode mixture layer that is formed on the surface of the negative electrode collector; the thickness of the negative electrode collector is 4 ?m to 12 ?m; the 1% proof stress of the negative electrode collector is 300 MPa to 700 MPa; the negative electrode mixture laver contains a carbon-based material and a silicon-based material, which serve as negative electrode active materials; the discharge capacity of the negative electrode active materials is 400 mAh/g to 750 mAh/g the carbon-based material contains a carbon-based material A and a carbon-based material B, which have different particle fracture strengths from each other; the particle fracture strength of the carbon-based material A is 5 MPa to 15 MPa; and the particle fracture strength of the carbon-based material B is 25 MPa to 40 MPa.

Abstract: Disclosed is a non-aqueous electrolyte secondary battery including: a negative electrode that contains a negative electrode material mixture; a separator, a positive electrode that is provided to oppose the negative electrode via the separator, and a non-aqueous electrolyte. The negative electrode material mixture contains a negative electrode active material. The negative electrode active material contains 3 mass % or more of a silicon-containing material. The silicon-containing material contains carbon composite particles. The carbon composite particles have a carbon phase and a silicon phase dispersed in the carbon phase. The non-aqueous electrolyte contains a 5- or 6-membered cyclic compound component that contains a sulfur element as a ring-constituting element.

Abstract: A silver-plated product which has more excellent minute sliding abrasion resistance property than that of conventional silver-plated products, and a method for producing the same. The silver-plated product is produced by electroplating a base material 10 of copper or a copper alloy to form an underlying plating layer 12 of nickel or a nickel alloy, a first silver-plating layer of silver (lower silver-plating layer) 14, a zinc-plating layer 16 of zinc serving as an intermediate plating layer, and a second silver-plating layer of silver (upper silver-plating layer) 18 serving as a surface layer, in this order from the base material 10.

Abstract: The disclosed negative electrode active material for a secondary battery includes silicate composite particles each including a silicate phase, and silicon particles dispersed in the silicate phase. A peak of an oxygen K-edge energy loss near edge structure (ELNES) at an interface between the silicate phase and the silicon particles is shifted to a lower energy side by 2.0 eV to 3.0 eV relative to a peak of the oxygen K-edge energy loss near edge structure in the silicate phase.