Abstract: Provided is a flat panel detector which prevents aging deterioration of characteristics of a phosphor layer, protects the phosphor layer from chemical alteration or physical impact, and maintains a stable contact state between a scintillator panel and a flat light receiving element. Disclosed is a flat panel detector comprising a scintillator panel comprising a scintillator provided with a phosphor layer on a substrate and a protective layer covering the phosphor surface of the scintillator, and the scintillator panel being placed on the surface of a flat light receiving element comprising plural picture elements which are two-dimensionally arranged, wherein a re-releasable adhesive layer is provided on the protective layer surface.

Abstract: A scintillator panel comprising: a radiation-transparent substrate; and a phosphor layer provided on the substrate, the phosphor layer emitting light when irradiated with a radiation, wherein at least one edge of the substrate and at least one edge of the phosphor layer are arranged on a same plane.

Abstract: An objective is to provide a flat panel detector exhibiting high durability and less noise, which is fitted with a scintillator for radiation exhibiting high emission efficiency, wherein the scintillator is easy to be manufactured because of the simple structure. Also disclosed is a scintillator panel for radiation possessing a radiotransparent substrate and provided thereon, a phosphor layer from which light is emitted by exposing the substrate to radiation and a reflective film at which light from the phosphor layer is reflected, wherein the reflective film provided between the substrate and the phosphor layer possesses a multilayer film composed of at least two dielectric layers exhibiting a high reflectivity.

Abstract: A scintillator panel exhibiting enhanced emission luminance is disclosed, comprising a phosphor layer containing a phosphor capable of emitting light upon exposure to radiation, a substrate supporting the phosphor layer and a protective film covering the phosphor layer and the substrate, wherein the phosphor layer comprises two or more layers, and satisfying the following expression 1: 1.0?B/A?1000??Expression 1 wherein B is an average activator concentration (mol %) of an uppermost phosphor layer, based on a phosphor and A is an average activator concentration (mol %) of the other phosphor layers, based on a phosphor.

Abstract: A scintillator plate which is excellent in sharpness and luminance is disclosed, comprising sequentially on a substrate a reflection layer and a scintillator layer containing cesium iodide and an activator and having a thickness of L, wherein the following requirement (1) is met: 2?B/A??Requirement (1) wherein A is an average activator concentration of the scintillator layer and B is an activator concentration in a region of the scintillator layer from the reflection layer side to the position of L/5.

Abstract: Provided is a scintillator panel having excellent sharpness and graininess. In the scintillator panel, the scintillator panel and a surface of a planar light receiving element can be brought into uniform contact with each other within the surface, and deterioration of sharpness between the scintillator panel surface and the surface of the planar light receiving element is reduced. Furthermore, a method for manufacturing such scintillator panel is also provided. The scintillator panel is provided by arranging a phosphor layer composed of phosphor columnar crystal on a polymer film substrate. A leading end portion of the phosphor columnar crystal is flattened by pressurized thermal processing.

Abstract: A scintillator panel comprising: (a) a scintillator sheet comprising: (i) a substrate, and (ii) a phosphor layer formed on the substrate; (b) a first protective film provided on a phosphor layer side surface of the scintillator sheet; and (c) a second protective film provided on a substrate side surface of the scintillator sheet, wherein (d) the scintillator sheet is sealed by the first protective film and the second protective film; and (e) the first protective film is not substantially coherent with the phosphor layer.

Abstract: Disclosed is a scintillator plate comprising on a substrate a phosphor layer formed by a process of vapor deposition, wherein a thallium compound having a melting point within ±70° C. of that of CsI and CsI are deposited on a substrate to form a thallium-activated phosphor layer.

Abstract: It is an object to provide a radiation image conversion panel exhibiting excellent properties in luminance and sharpness, and a preparation method thereof. Provided also is a drastically increased amount of stimulated luminescence of a post-manufacture radiation image conversion panel. Disclosed is a method for manufacturing a radiation image conversion panel in which a stimulable phosphor layer having a thickness of not less than 50 ?m is formed on a support vapor deposition and then is heat-treated, wherein a ratio of transmittance T/T0 (T represents transmittance after heat-treating, and T0 before heat-treating) at a stimulated luminescence wavelength of the stimulable phosphor is 0.5?T/T0?10. Also disclosed is a method for manufacturing a radiation image conversion panel via conducting a process of soaking in a halogenated solvent, as well as a process of heating a phosphor panel possessing a stimulable phosphor layer.

Abstract: A radiation image detector comprising: a scintillator panel comprising a radiation transmitting substrate having thereon a phosphor layer having a columnar crystal structure produced with a vapor deposition method; a protection cover provided at a side of the radiation transmitting substrate opposite the phosphor layer, provided that incident radiation enters through the protection cover; and a flat light-receiving element provided at a side of the radiation transmitting substrate opposite the protection cover, the flat light-receiving element comprising a plurality of light-receiving pixels arranged in a two-dimensional form and capable of converting light emitted from the scintillator panel to electricity, wherein the radiation image detector satisfies the following Formula (1): W(g)<0.

Abstract: An object is to provide that a moisture resistance property is maintained, and reduction of sharpness is further avoided. Disclosed is a scintillator plate possessing a support and provided thereon a phosphor layer, and further a protective film provided on the phosphor layer to protect the phosphor layer, wherein an arithmetical mean slope angle ?a of surface roughness of the protective film is 0.01-0.4.

Abstract: A radiation flat panel detector is created in which degradation of a phosphor layer property during aging is inhibited, the phosphor layer is protected from chemical alteration and physical impact, and sharpness is excellent. A flat panel detector possessing a light-receiving element and provided thereon, a scintillator panel possessing a scintillator sheet having a phosphor layer provided on a substrate and provided thereon, a first protective film placed on the phosphor layer side and a second protective film placed on the substrate side to seal the scintillator sheet, wherein the light-receiving element is provided on the first protective film side of the scintillator panel; the scintillator sheet is sealed at 5-8000 Pa; and the phosphor layer brought into contact with the first protective film and the light-receiving element plane brought into contact with the first protective film both have a surface roughness Ra of 0.05-0.8 ?m.

Abstract: A scintillator panel comprising: a scintillator sheet comprising a substrate having thereon a phosphor layer produced with a vacuum evaporation method; and a protective film covering the scintillator panel, wherein the protective film comprises a light absorbing layer which is colored so as to absorb a light emitted from the phosphor layer.

Abstract: A scintillator plate which exhibits enhanced emission efficiency upon exposure to radiation and an improved time efficiency in manufacture of the plate is disclosed, comprising on a substrate a phosphor layer containing an activator and having been subjected to a plasma treatment.

Abstract: A method of producing a radiation image conversion panel containing the steps of: forming a stimulable phosphor layer on a substrate via a vapor deposition method to form a phosphor panel; heating the phosphor panel in a gas atmosphere of a halogen-containing solvent; and sealing the phosphor panel heated in the gas atmosphere of the halogen-containing solvent by sandwiching the phosphor panel between two resin films, followed by applying heat to peripheral edges of the two resin films to heat and fuse the resin films each other, wherein a lowest temperature of the heat is 150° C. or more.

Abstract: A scintillator plate for radiation comprising a substrate having thereon a phosphor layer comprising CsI and two or more activators ach having a melting point different from a melting point of CsI, wherein each content of the two or more activators is 0.01% or more based on CsI; and the scintillator plate is produced by forming the phosphor layer on the substrate via a vacuum evaporation method using a source material comprising CsI and two or more activators.

Abstract: An objective is to provide a flat panel detector exhibiting high durability and less noise, which is fitted with a scintillator for radiation exhibiting high emission efficiency, wherein the scintillator is easy to be manufactured because of the simple structure. Also disclosed is a scintillator panel for radiation possessing a radiotransparent substrate and provided thereon, a phosphor layer from which light is emitted by exposing the substrate to radiation and a reflective film at which light from the phosphor layer is reflected, wherein the reflective film provided between the substrate and the phosphor layer possesses a multilayer film composed of at least two dielectric layers exhibiting a high reflectivity.

Abstract: A scintillator plate for radiation containing a substrate having thereon a fluorescent layer, wherein the fluorescent layer contains CsF crystals.

Abstract: A radiation image detector comprising: a scintillator panel comprising a radiation transmitting substrate having thereon a phosphor layer having a columnar crystal structure produced with a vapor deposition method; a protection cover provided at a side of the radiation transmitting substrate opposite the phosphor layer, provided that incident radiation enters through the protection cover; and a flat light-receiving element provided at a side of the radiation transmitting substrate opposite the protection cover, the flat light-receiving element comprising a plurality of light-receiving pixels arranged in a two-dimensional form and capable of converting light emitted from the scintillator panel to electricity, wherein the radiation image detector satisfies the following Formula (1): W(g)<0.

Abstract: A scintillator panel comprising: a scintillator sheet comprising a substrate having thereon a phosphor layer produced with a vacuum evaporation method; and a protective film covering the scintillator panel, wherein the protective film comprises a light absorbing layer which is colored so as to absorb a light emitted from the phosphor layer.