Abstract: A ceramic composite having a phosphor particle and a coating layer on the surface of the phosphor particle, in which a matrix crystal structure of the phosphor particle and the coating layer have identical garnet structures, and the thickness of the coating layer is greater than or equal to 0.001 ?m and smaller than or equal to 0.450 ?m.

Abstract: A phosphor according to the present disclosure has excellent light emission properties in a blue-green region and high color rendering properties. The phosphor is represented by a chemical formula of Lu(3-x-y-z)MgxZnyAl5O12:Cez, in which when z is in a range of 0.01?z?0.03, then 0?x?1.4 and 0?y?1.4, excluding x=0 and y=0; when z is in a range of is 0.03<z?0.06, then y<0.2 and 0.1?x?1.4, or x<0.2 and 0.1?y?1.4, or x=0.2 and y=0.2; when z is in a range of 0.06<z?0.09, then y<0.2 and 0.1?x<1.4, or x<0.2 and 0.1?y<1.4; and when z is in a range of 0.09<z?0.12, then y<0.2 and 0.1?x<0.9, or x<0.2 and 0.1?y<0.9.

Abstract: A phosphor is represented by a chemical formula of Lu(3-x-z)MgxZnyAl(5-y)O12:Cez, in which in a case where z is in a range of 0.01?z?0.03, x and y respectively satisfy 0<x?1.4 and 0<y?1.4, in a case where z is in a range of 0.03<z?0.06, x and y respectively satisfy y<0.2 and 0.1?x?1.4, x<0.2 and 0.1?y?1.4, or x=0.2 and y=0.2, in a case where z is in a range of 0.06<z?0.09, x and y respectively satisfy y<0.2 and 0.1?x<1.4, or x<0.2 and 0.1?y<1.4, and in a case where z is in a range of 0.09<z?0.12, x and y respectively satisfy y<0.2 and 0.1?x<0.9, or x<0.2 and 0.1?y<0.9.

Abstract: A ceramic composite having a phosphor particle and a coating layer on the surface of the phosphor particle, in which a matrix crystal structure of the phosphor particle and the coating layer have identical garnet structures, and the thickness of the coating layer is greater than or equal to 0.001 ?m and smaller than or equal to 0.450 ?m.

Abstract: A phosphor has a plate-shaped phosphor, a joining-member, and a light collecting optical member. The light collecting optical member has at least one convex surface and is fixed to the plate-shaped phosphor by the joining-member. The joining-member forms a fillet shape between a surface of the plate-shaped phosphor to which the light collecting optical member is joined and a convex surface of the light collecting optical member. In a case where a height of the fillet shape from the surface of the plate-shaped phosphor to which the light collecting optical member is joined is set as a height X and a maximum distance of the light collecting optical member from the surface of the plate-shaped phosphor to which the light collecting optical member of is joined is set as a maximum distance Y, the height X is equal to or less than ? of the maximum distance Y.

Abstract: A red phosphor is expressed by a chemical formula of CazO:Cex, Liy, in which a range of x values is 0<x<0.2, a range of y values is 0?y<0.2, and a range of z values is 1?x?y?z?1?x.

Abstract: A phosphor is represented by a chemical formula of Lu(3-x-z)MgxZnyAl(5-y)O12:Cez, in which in a case where z is in a range of 0.01?z?0.03, x and y respectively satisfy 0<x?1.4 and 0<y?1.4, in a case where z is in a range of 0.03<z?0.06, x and y respectively satisfy y<0.2 and 0.1?x?1.4, x<0.2 and 0.1?y?1.4, or x=0.2 and y=0.2, in a case where z is in a range of 0.06<z?0.09, x and y respectively satisfy y<0.2 and 0.1?x<1.4, or x<0.2 and 0.1?y<1.4, and in a case where z is in a range of 0.09<z?0.12, x and y respectively satisfy y<0.2 and 0.1?x<0.9, or x<0.2 and 0.1?y<0.9.

Abstract: A red phosphor is expressed by a chemical formula of CazO:Cex, Liy, in which a range of x values is 0<x<0.2, a range of y values is 0?y<0.2, and a range of z values is 1?x?y?z?1?x.

Abstract: There is provided a solder alloy in which 0.5 mass % or more and 1.25 mass % or less of Sb, In satisfying the following formula (I) or (II) when [Sb] is set as a Sb content percentage (mass %) and [In] is set as an In content percentage (mass %): in a case of 0.5?[Sb]?1.0, 5.5?[In]?5.50+1.06[Sb] . . . (I), in a case of 1.0<[Sb]?1.25, 5.5?[In]?6.35+0.212[Sb] . . . (II) (in the formula, [Sb] indicates a Sb content percentage (mass %) and [In] indicates an In content percentage (mass %)), 0.5 mass % or more and 1.2 mass % or less of Cu, 0.1 mass % or more and 3.0 mass % or less of Bi, 1.0 mass % or more and 4.0 mass % or less of Ag, and 0 mass % or more and 0.025 mass % or less of Co are contained, and has the remainder consisting essentially of Sn.

Abstract: A phosphor has a plate-shaped phosphor, a joining-member, and a light collecting optical member. The light collecting optical member has at least one convex surface and is fixed to the plate-shaped phosphor by the joining-member. The joining-member forms a fillet shape between a surface of the plate-shaped phosphor to which the light collecting optical member is joined and a convex surface of the light collecting optical member. In a case where a height of the fillet shape from the surface of the plate-shaped phosphor to which the light collecting optical member is joined is set as a height X and a maximum distance of the light collecting optical member from the surface of the plate-shaped phosphor to which the light collecting optical member of is joined is set as a maximum distance Y, the height X is equal to or less than ? of the maximum distance Y.

Abstract: A phosphor according to the present disclosure has excellent light emission properties in a blue-green region and high color rendering properties. The phosphor is represented by a chemical formula of Lu(3-x-y-z)MgxZnyAl5O12:Cez, in which when z is in a range of 0.01?z?0.03, then 0?x?1.4 and 0?y?1.4, excluding x=0 and y=0; when z is in a range of is 0.03<z?0.06, then y<0.2 and 0.1?x?1.4, or x<0.2 and 0.1?y?1.4, or x=0.2 and y=0.2; when z is in a range of 0.06<z?0.09, then y<0.2 and 0.1?x<1.4, or x<0.2 and 0.1?y<1.4; and when z is in a range of 0.09<z?0.12, then y<0.2 and 0.1?x<0.9, or x<0.2 and 0.1?y<0.9.

Abstract: A light emitting element includes a light emitting member that is formed of at least two kinds of an oxide material and has a plate shape; and a light transmitting member that collimates a light emitted from the light emitting member and has a plano-convex shape, in which a contact portion between the light transmitting member and the light emitting member is continuous.

Abstract: A wavelength conversion phosphor having a wavelength conversion function, which is high in fluorescence output and excellent in heat resistance. The wavelength conversion phosphor including a first metal oxide phase as a phosphor phase containing activated metal ions which emit fluorescence, and a second metal oxide phase adjacent to the first metal oxide phase through an interface, in which a concentration of the activated metal ions in the interface is higher than a concentration of the activated metal ions contained in the first metal oxide phase.

Abstract: A phosphor wheel capable of suppressing reduction in fluorescence output, which responds to irradiation of laser light with high output density. The phosphor wheel having a plate shape includes a substrate having light transmission properties and a phosphor layer stacked on the substrate and emitting fluorescence by irradiation of excitation light, in which the substrate and the phosphor layer are interlaced with each other at a contact portion between the substrate and the phosphor layer.

Abstract: A solar cell module having an extended lifetime and improved efficiency achieved by improved solar cell efficiency, and reduced UV damage to the photoelectric conversion device. The solar cell module has a structure in which a back sheet, a first encapsulant layer, a photoelectric conversion device electrically connected to an electrode, a second encapsulant layer, and a protective glass are stacked in that order. The second encapsulant layer is a sheet configured from a resin containing a UV absorber, and the sheet contains phosphors that are concentrated on the side of the protective glass, as opposed to the side of the first encapsulant layer.

Abstract: A light emitting element includes a light emitting member that is formed of at least two kinds of an oxide material and has a plate shape; and a light transmitting member that collimates a light emitted from the light emitting member and has a plano-convex shape, in which a contact portion between the light transmitting member and the light emitting member is continuous.

Abstract: There is provided a solder alloy in which 0.5 mass % or more and 1.25 mass % or less of Sb, In satisfying the following formula (I) or (II) when [Sb] is set as a Sb content percentage (mass %) and [In] is set as an In content percentage (mass %): in a case of 0.5?[Sb]?1.0, 5.5?[In]?5.50+1.06[Sb] . . . (I), in a case of 1.0<[Sb]?1.25, 5.5?[In]?6.35+0.212[Sb] . . . (II) (in the formula, [Sb] indicates a Sb content percentage (mass %) and [In] indicates an In content percentage (mass %)), 0.5 mass % or more and 1.2 mass % or less of Cu, 0.1 mass % or more and 3.0 mass % or less of Bi, 1.0 mass % or more and 4.0 mass % or less of Ag, and 0 mass % or more and 0.025 mass % or less of Co are contained, and has the remainder consisting essentially of Sn.

Abstract: Provided is a flux for soldering that can suppress a crack in a flux residue even if the flux for soldering is exposed to a cooling and heating cycle at the highest temperature of 150° C. such as the inside of an engine room of automobiles for a long period of time, and a soldering paste composition including the flux for soldering. The flux for soldering includes a synthetic resin, an activator, an organic solvent, and a thixotropic agent, in which synthetic resin contains a triblock copolymer of methacrylic acid ester with acrylic acid ester configured of a linear alkyl moiety having 3 to 6 carbon atoms. In addition, a soldering paste composition including the flux for soldering is used.