Abstract: To provide an X-ray ceramic scintillator array as well as a radiation detector and a radiation inspection apparatus using the same, which prevents a resin used for a reflective layer of the scintillator array from being colored due to X-ray irradiation so as to realize a significant improvement against the output drop of the scintillator array. The resin used for the reflective layer of the X-ray ceramic scintillator array has a feature wherein a ratio of absorption intensity in a wavenumber range of 1490 cm?1 to 1750 cm?1 to absorption intensity in a wavenumber range of 2500 cm?1 to 2990 cm?1 has a value that falls within a specific range in an absorption spectrum based on Fourier transform infrared spectrometry (FT-IR).

Abstract: A scintillator array includes: a structure having scintillator segments and a first reflective layer, the first reflective layer being provided between the scintillator segments and being configured to reflect light, and the scintillator segments having a sintered compact containing a rare earth oxysulfide phosphor; and a layer having a second reflective layer provided above the structure, the second reflective layer being configured to reflect light. The first reflective layer has a portion extending into the layer.

Abstract: A scintillator array includes: a structure having at least one scintillator segment and a first reflective layer, the at least one scintillator segment and the first reflective layer having a first surface and a second surface, the at least one scintillator segment having a sintered compact containing a rare earth oxysulfide phosphor, and the first reflective layer being configured to reflect light; and a second reflective layer provided above the first surface via an adhesive layer, the adhesive layer having a thickness of 2 ?m or more and 40 ?m or less, and the second reflective layer having a film configured to reflect light.

Abstract: A scintillator array includes: a structure having scintillator segments and a first reflective layer, the first reflective layer being provided between the scintillator segments and being configured to reflect light, and the scintillator segments having a sintered compact containing a rare earth oxysulfide phosphor; and a layer having a second reflective layer provided above the structure, the second reflective layer being configured to reflect light. The first reflective layer has a portion extending into the layer.

Abstract: A cold storage material of an embodiment includes a rare earth oxysulfide containing at least one rare earth element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and a first group element of 0.001 atom % or more and 10 atom % or less, in which a maximum value of volume specific heat in a temperature range of 2 K or more and 10 K or less is 0.5 J/(cm3·K) or more.

Abstract: A scintillator array includes: a structure having at least one scintillator segment and a first reflective layer, the at least one scintillator segment and the first reflective layer having a first surface and a second surface, the at least one scintillator segment having a sintered compact containing a rare earth oxysulfide phosphor, and the first reflective layer being configured to reflect light; and a second reflective layer provided above the first surface via an adhesive layer, the adhesive layer having a thickness of 2 ?m or more and 40 ?m or less, and the second reflective layer having a film configured to reflect light.

Abstract: An abnormal irregularity cause identifying device includes a process data acquisition unit that reads, from a storage device storing process data, the pieces of process data, an abnormality determination unit that calculates an abnormality degree representing an extent of an irregularity of process data of the pieces of process data read by the process data acquisition unit, and a cause diagnosis unit that determines, for each of the pieces of process data output by the corresponding one of the plurality of sensors, whether the abnormality degree calculated by the abnormality determination unit satisfies a predetermined criterion by using causal relation information defining a combination of a causal relation between a cause and the irregularity, which appears as an influence resulting from the cause, of the process data output by each of the plurality of sensors in a hierarchical manner along time series.

Abstract: An abnormal irregularity cause display device includes a process data acquisition unit that reads, from a storage device, the pieces of process data, an abnormality determination unit that calculates an abnormality degree representing an extent of an irregularity of process data of the pieces of process data read by the process data acquisition unit, a cause diagnosis unit that determines, for each of the pieces of process data, whether the abnormality degree calculated by the abnormality determination unit satisfies a predetermined criterion by using causal relation information defining a combination between a cause and the irregularity, which appears as an influence resulting from the cause, of the process data output by each of the plurality of sensors, and an output control unit that reads, from the storage device, the information indicating the handling and makes an output device output the information.

Abstract: A scintillator array includes: a structure having scintillator segments and a first reflective layer, the first reflective layer being provided between the scintillator segments and being configured to reflect light, and the scintillator segments having a sintered compact containing a rare earth oxysulfide phosphor; and a layer having a second reflective layer provided above the structure, the second reflective layer being configured to reflect light. The first reflective layer has a portion extending into the layer.

Abstract: A scintillator array includes: a structure having at least one scintillator segment and a first reflective layer, the at least one scintillator segment and the first reflective layer having a first surface and a second surface, the at least one scintillator segment having a sintered compact containing a rare earth oxysulfide phosphor, and the first reflective layer being configured to reflect light; and a second reflective layer provided above the first surface via an adhesive layer, the adhesive layer having a thickness of 2 ?m or more and 40 ?m or less, and the second reflective layer having a film configured to reflect light.

Abstract: A scintillator array includes a first scintillator element, a second scintillator element, and a reflector provided between the first and second scintillator elements and having a width of 80 ?m or less therebetween. Each scintillator element includes a polycrystal containing a rare earth oxysulfide phosphor, the polycrystal having a radiation incident surface of 1 mm or less×1 mm or less in area. An average crystal grain diameter of the polycrystal is not less than 5 ?m nor more than 30 ?m, the average crystal grain diameter being defined by an average intercept length of crystal grains in an observation image of the polycrystal with a scanning electron microscope. A maximum length or a maximum diameter of defects on the polycrystal is 40 ?m or less.

Abstract: The present invention provides a ceramic circuit board comprising: a ceramic substrate; and at least one of a recess and a through-hole formed in the ceramic substrate, wherein a conductive portion filled with a conductor is provided in the recess or the through-hole, the surface roughness Ra is 1.0 ?m or less, and the maximum height Rz is 100 ?m or less. It is preferable that the maximum height Rz is 10 ?m or less. Further, it is preferable that the surface roughness Ra is 0.5 ?m or less. According to the above-described configuration, it is possible to provide a ceramic circuit board having an excellent positionability of the conductive portion for mounting a semiconductor element.

Abstract: A scintillator array comprises: a first scintillator element; a second scintillator element; and a reflector provided between the first and second scintillator elements and having a width of 80 gm or less therebetween. Each scintillator element includes a polycrystal containing a rare earth oxysulfide phosphor, the polycrystal having a radiation incident surface of 1 mm or less×1 mm or less in area. An average crystal grain diameter of the polycrystal is not less than 5 ?m nor more than 30 ?m, the average crystal grain diameter being defined by an average intercept length of crystal grains in an observation image of the polycrystal with a scanning electron microscope. A maximum length or a maximum diameter of defects on the polycrystal is 40 ?m or less.

Abstract: A ceramic scintillator array of an embodiment includes: a plurality of scintillator segments each composed of a sintered compact of a rare earth oxysulfide phosphor; and a reflective layer interposed between the scintillator segments adjacent to each other. The reflective layer contains a transparent resin and reflective particles dispersed in the transparent resin. The reflective particles contain titanium oxide and at least one inorganic substance selected from the group consisting of alumina, zirconia, and silica. A glass transition point of the transparent resin is 50° C. or higher, and a thermal expansion coefficient of the transparent resin at a temperature higher than the glass transition point is 3.5×10?5/° C. or less.

Abstract: A light emitting device includes: a first white light source which includes N pieces of first white light emitting diodes and emits a first white light; and a second white light source which includes M pieces of second white light emitting diodes and a first resistance element electrically connected in series to the second white light emitting diodes and having a first resistance value, is electrically connected in parallel to the first white light source, and emits a second white light, the light emitting device emitting a mixed white light of the first white light and the second white light. The drive voltage of the first white light source is higher than a drive voltage of the second white light source, and a color temperature of the mixed white light is higher as a total luminous flux of the mixed white light is higher.

Abstract: A light emitting device includes: a first white light source which includes N pieces of first white light emitting diodes and emits a first white light; and a second white light source which includes M pieces of second white light emitting diodes and a first resistance element electrically connected in series to the second white light emitting diodes and having a first resistance value, is electrically connected in parallel to the first white light source, and emits a second white light, the light emitting device emitting a mixed white light of the first white light and the second white light. The drive voltage of the first white light source is higher than a drive voltage of the second white light source, and a color temperature of the mixed white light is higher as a total luminous flux of the mixed white light is higher.

Abstract: A ceramic scintillator array of an embodiment includes: a plurality of scintillator segments each composed of a sintered compact of a rare earth oxysulfide phosphor; a first reflective layer interposed between the scintillator segments adjacent to each other; and a second reflective layer arranged on a side of surfaces, on which an X-ray is incident, of the plurality of scintillator segments. A difference in dimension between an end portion of a surface of the second reflective layer and a most convex portion of the surface of the second reflective layer is 30 ?m or less.

Abstract: According to one embodiment, a lighting device includes a hollow globe having an opening at an end thereof, a light source housed in the globe and including at least an LED, a pillar portion housed in the globe and supporting the light source, a cap connector directly connected to the pillar portion, or indirectly connected to the pillar portion via another member, and a cap attached to the cap connector and electrically connected to the light source. A thermally conductive layer is provided between the inner surface of the globe and the lateral surface of the pillar portion.

Abstract: The present invention provides a ceramic circuit board comprising: a ceramic substrate; and at least one of a recess and a through-hole formed in the ceramic substrate, wherein a conductive portion filled with a conductor is provided in the recess or the through-hole, the surface roughness Ra is 1.0 ?m or less, and the maximum height Rz is 100 ?m or less. It is preferable that the maximum height Rz is 10 ?m or less. Further, it is preferable that the surface roughness Ra is 0.5 ?m or less. According to the above-described configuration, it is possible to provide a ceramic circuit board having an excellent positionability of the conductive portion for mounting a semiconductor element.

Abstract: A lighting apparatus according to an embodiment includes a globe, an optical element including a scattering portion inside and transparent to visible light, and a light source disposed to be opposed to a light incident surface of the optical element. The scattering portion is disposed inside the globe.