Abstract: Provided is a radiographic imaging apparatus that is high in sharpness of a picked up image and excellent in DQE by improving the amount of light that enters a photoelectric conversion element, despite a scintillator layer being formed thick. The radiographic imaging apparatus includes: the photoelectric conversion element; and a wavelength converting layer which has a bottom surface located above the photoelectric conversion element and a top surface for receiving an incident radiation ray, and which contains a scintillator. The wavelength converting layer has light transmitting properties in at least a region positioned to be above the photoelectric conversion element, and contains the scintillator at a density that is lower on the bottom surface side than on the top surface side in the thickness direction of the region.

Abstract: A radiation imaging apparatus comprising a plurality of sensor units each including a plurality of photoelectric converters, a substrate configured to support the plurality of sensor units, and a scintillator, wherein the scintillator comprises scintillator grains configured to convert radiation into light and a binder configured to make the scintillator grains adhere to each other, and the scintillator includes first portions provided between the plurality of sensor units and a second portion provided on the plurality of sensor units and the substrate.

Abstract: A method of manufacturing a radiation detection apparatus is provided. On a sensor substrate on which a pixel array is formed, a scintillator layer that covers the pixel array, a sealing layer that covers a side face of the scintillator layer, and a protection layer that covers an upper face of the scintillator layer and an upper face of the sealing layer are formed. The sensor substrate, the sealing layer, and the protection layer along a side of the pixel array are cut such that a cut surface of the sensor substrate, a cut surface of the sealing layer, and a cut surface of the protection layer are arranged on the same plane.

Abstract: A radiation detection apparatus comprising a sensor panel in which a plurality of sensors for detecting light are arranged, and a scintillator layer containing scintillator particles for converting an incident radiation into light, and an adhesive resin which has an adherence property and bonds the scintillator particles, wherein the scintillator layer is adhered to the sensor panel by the adhesive resin, a modulus of elasticity in tensile of the adhesive resin is higher than 0.7 GPa and lower than 3.5 GPa, and a volume ratio of the adhesive resin to the scintillator particles is not lower than 1% and not higher than 5%.

Abstract: A method of manufacturing a radiation detection apparatus, includes a bonding step of bonding, on a support substrate, a sensor substrate including a photoelectric converter in which a plurality of photoelectric conversion elements are arranged, by using a bonding layer including a passage which exhausts a gas between the support substrate and the sensor substrate, and a formation step of forming a scintillator layer on the photoelectric converter after the bonding step. The bonding layer has a heat resistance by which bonding between the support substrate and the sensor substrate by the bonding layer is maintained in the formation step.

Abstract: A radiation imaging apparatus comprising a plurality of sensor units each including a plurality of photoelectric converters, a substrate configured to support the plurality of sensor units, and a scintillator, wherein the scintillator comprises scintillator grains configured to convert radiation into light and a binder configured to make the scintillator grains adhere to each other, and the scintillator includes first portions provided between the plurality of sensor units and a second portion provided on the plurality of sensor units and the substrate.

Abstract: A radiation detection apparatus includes a sensor panel configured to detect light; and a scintillator layer arranged on the sensor panel. The scintillator layer has a scintillator configured to convert radiation into light of a wavelength that is detectable by the sensor panel. The scintillator layer also has particles that have a property of generating a bubble and expanding so as to weaken adhesive force between the sensor panel and the scintillator layer. The scintillator layer also a resin that holds the scintillator and the particles so as to be mixed together. The scintillator layer is adhered to the sensor panel with use of the resin.

Abstract: A method of manufacturing a radiation detection apparatus is provided. On a sensor substrate on which a pixel array is formed, a scintillator layer that covers the pixel array, a sealing layer that covers a side face of the scintillator layer, and a protection layer that covers an upper face of the scintillator layer and an upper face of the sealing layer are formed. The sensor substrate, the sealing layer, and the protection layer along a side of the pixel array are cut such that a cut surface of the sensor substrate, a cut surface of the sealing layer, and a cut surface of the protection layer are arranged on the same plane.

Abstract: A radiation detection apparatus comprises a sensor panel including a plurality of sensor units which detect radiation and are arrayed, each of the plurality of sensor units comprising a pixel array including a plurality of pixels which detect light and are two-dimensionally arranged, a scintillator layer which converts radiation into light, and a first scintillator protective layer disposed to cover the scintillator layer, and the radiation detection apparatus further comprising a second scintillator protective layer disposed to cover the plurality of sensor units.

Abstract: In order to provide a detecting apparatus which is able to reduce unevenness in image even if an organic material is used for a protective layer covering a plurality of photoeectric conversion elements, the detecting apparatus includes a plurality of photoelectric conversion elements, a protective layer made from an organic material, provided so as to cover the plurality of photoelectric conversion elements, and a conductive member provided between the plurality of photoelectric conversion elements and the protective layer so as to cover the plurality of photoelectric conversion elements and receiving a predetermined potential.

Abstract: A radiation detection apparatus comprising a sensor panel in which a plurality of sensors for detecting light are arranged, and a scintillator layer containing scintillator particles for converting an incident radiation into light, and an adhesive resin which has an adherence property and bonds the scintillator particles, wherein the scintillator layer is adhered to the sensor panel by the adhesive resin, a modulus of elasticity in tensile of the adhesive resin is higher than 0.7 GPa and lower than 3.5 GPa, and a volume ratio of the adhesive resin to the scintillator particles is not lower than 1% and not higher than 5%.

Abstract: Degradation of a fluorescent material used in an image display device provided with an electron emitting device that is caused by heating in the process of manufacturing the device is prevented. A coating layer 44b composed of SiO2 is formed on the surface of fluorescent material particles 44a, and any metal 49 from among Bi, Pb, Sn, and Sb is added to the coating layer 44b so that the metal concentration at the surface of the coating layer is equal to or greater than 0.05 ppm.

Abstract: An image display apparatus includes a rear plate having a plurality of electron-emitting devices, a face plate having a plurality of pixels, each pixel having one or more phosphors that emit fluorescence in response to electrons emitted from the electron-emitting devices, and a drive circuit for driving the electron-emitting devices. At least one of the phosphors is CaAlSiN3:Eu2+; and the electrons are supplied to the pixels for 2 ?s to 70 ?s from the electron-emitting devices on a scan basis, each of which devices supplies current to one or more of the phosphors.

Abstract: Degradation of a fluorescent material used in an image display device provided with an electron emitting device that is caused by heating in the process of manufacturing the device is prevented. A coating layer 44b composed of SiO2 is formed on the surface of fluorescent material particles 44a, and any metal 49 from among Bi, Pb, Sn, and Sb is added to the coating layer 44b so that the metal concentration at the surface of the coating layer is equal to or greater than 0.05 ppm.

Abstract: Provided is an electron beam-excited blue phosphor, which is a rare earth-activated alkaline earth thiosilicate represented by a general formula M1xM22-xSi2OyS6-yRaz where M1 and M2 each represent an alkaline earth metal, Ra represents a rare earth ion Ce3+ or Eu2+, and x, y, and z satisfy relationships of 0?x?2, 0<y<6, and z?0.005, respectively.

Abstract: The method for manufacturing a fluorescent paste includes a process of applying a fluorescent paste including a sulfide fluorescent material and a binder resin onto a substrate, a first baking process of baking the substrate for a predetermined time at a first temperature that is equal to or lower than a temperature at which a generated amount of water has a maximum in a case where the fluorescent paste is measured by a TDP-MS method, and a second baking process of baking the substrate for a predetermined time at a second temperature that is equal to or higher than a temperature at which a generated amount of carbon dioxide has a minimum in a case where the fluorescent paste is measured by a TDP-MS method after the first baking process.

Abstract: A device that carries a panel comprising a back panel with wirings and electron emitting devices provided in intersection portions of the wirings and a face plate with formed therein cells comprising a fluorescent material that emits light, and in which gradation control is performed by varying an application time of a drive voltage that is applied to the electron emitting devices, wherein a line selection time is longer than 1 ?s and the fluorescent material comprises a substance represented by a general formula Me2Si5N8:Eu2+ (Me is Ca or Sr).

Abstract: A substrate having a fluorescent member arranged on a pixel area in a plane of a surface of the substrate, wherein the fluorescent member emits light by an irradiation with an electron and comprises a first fluorescent member having a larger gamma value and arranged in the pixel area, and a second fluorescent member having a smaller gamma value and arranged at a peripheral of the first fluorescent member within the pixel area.

Abstract: A phosphor represented by a general formula: M1xM22?xSi2O6Raz . . . (1) wherein, M1 and M2 are alkaline earth metals, x<2, Ra is Ce or Eu and 0.005?z?0.05), and wherein a variation of y-value of CIE chromaticity relative to the quantity of charge applied per unit area is dy/dQ?0.0001 and the y-value of CIE chromaticity is y?0.080.

Abstract: An image display apparatus includes a rear plate having a plurality of electron-emitting devices, a face plate having a plurality of pixels, each pixel having one or more phosphors that emit fluorescence in response to electrons emitted from the electron-emitting devices, and a drive circuit for driving the electron-emitting devices. At least one of the phosphors is CaAlSiN3:Eu2+; and the electrons are supplied to the pixels for 2 ?s to 70 ?s from the electron-emitting devices on a scan basis, each of which devices supplies current to one or more of the phosphors.