Abstract: A scintillator plate is disclosed comprising on a substrate a metal layer and a phosphor layer capable of emitting light upon exposure to radiation, wherein all of the substrate, the phosphor layer and the metal layer are covered with a moisture-resistant protective film. Also disclosed is a scintillator plate comprising on a metal substrate a phosphor layer capable of emitting light upon exposure to radiation, wherein all of the metal substrate and the phosphor layer are covered with a moisture-resistant protective film.

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 method of manufacturing a scintillator panel comprising the sequential steps of: forming an electroconductive metal reflection layer on a polymer film substrate; forming a protective layer on the electroconductive metal reflection layer; cutting the polymer film substrate having thereon the electroconductive metal reflection layer and the protective layer into a prescribed size; forming a scintillator layer by a vacuum evaporation method on the protective layer of the polymer film substrate cut in the prescribed size to prepare a scintillator sheet; and sealing the scintillator sheet with sealing films provided above and below the scintillator sheet to prepare the scintillator panel, wherein static electricity is removed from the polymer film substrate through a cut surface of the electroconductive metal reflection layer when the scintillator layer is vacuum evaporated.

Abstract: A method of producing a phosphor plate comprising the step of vapor depositing a phosphor raw material on a substrate to form a phosphor layer on the substrate in a vacuum container of a vapor deposition apparatus, wherein the vapor deposition is carried out in an atmosphere of a fluorinated solvent gas having a partial pressure of 5×10?4 to 5×10?1 Pa.

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: A scintillator panel containing a substrate having thereon a reflection layer, and intermediate layer, and a scintillator layer in the sequence set forth, wherein the intermediate layer contains a resin having a glass transition temperature, and the intermediate layer has been subjected to a process of heating to a temperature of equal to or grater than the glass transition temperature of the resin.

Abstract: An object is to provide a scintillator plate exhibiting even sharpness, and further exhibiting enhanced sharpness by use of CsI crystals. Disclosed is a scintillator plate for radiation comprising a support and provided thereon a phosphor layer emitting light caused upon exposure to radiation, wherein the phosphor layer comprises a plurality of phosphor columnar crystals, and any two phosphor columnar crystal diameters represented by a and b (a?b) satisfy the following inequality of 1.0?a/b<1.5. Further disclosed is a scintillator plate for radiation comprising a support and provided thereon a phosphor layer emitting light caused upon exposure to radiation, wherein the phosphor layer comprises a phosphor made from cesium iodide (CsI) as a base material and an activator, and a most dominant growth direction in the phosphor is (n 0 0) plane (where n=1, 2 or 3).

Abstract: A radiation image detector comprising: a scintillator panel comprising a substrate having thereon a phosphor layer; a protective cover provided on a side of the substrate opposite the phosphor layer, wherein a radiation is incident on the side of the substrate opposite the phosphor layer; a light receiving element provided on a side of the scintillator panel opposite the protective cover, the light receiving element having a plurality of two-dimensionally arrayed light receiving pixels which photoelectrically convert light generated by the scintillator panel, wherein distance D satisfies: 0.2 mm?D?2.0 mm wherein D is a distance between following (i) and (ii): (i) a surface of the protective cover facing the scintillator panel; and (ii) a surface of the substrate on which the phosphor layer is provided.

Abstract: A scintillator panel comprising a substrate having thereon a reflective layer and a scintillator layer, wherein a light absorbing layer having a maximum absorption wavelength of 560 to 650 nm is provided between the reflective layer and the scintillator layer.

Abstract: A radiographic image detector which incorporates a scintillator panel provided with a substrate, on which a fluorescent substance layer comprised of a prismatic crystal structure is formed, and a receptor element, on which surface plural receptor pixels, to perform photoelectric conversion of light from the scintillator panel, are two-dimensionally arranged, wherein the scintillator panel is provided with a protective film to enclose and seal the substrate, and thickness h of the protective film and size L of the pixels satisfy the relationship; 0.05 L<h<1.0 L.

Abstract: Provided are a scintillator and a scintillator plate fitted with the scintillator exhibiting high emission luminance even though a heat treatment temperature of CsI columnar crystals is high, and also capable of exhibiting high emission luminance since these crystals can be formed on each of various kinds of evaporation substrates. Also disclosed is a scintillator comprising columnar crystals formed via vapor deposition of cesium iodide and an additive comprising a thallium compound, wherein the thallium compound has a melting point of 400-700° C., and has a molecular weight of 206-300.

Abstract: An objective is to provide a radiation flat panel detector 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. Also disclosed is 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; and the scintillator sheet is sealed at 5-8000 Pa.

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: 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: A radiation image conversion panel containing: a stimulable phosphor plate having a stimulable phosphor layer on a substrate; a first protective film provided on a stimulable phosphor layer of the substrate, the first protective film not being adhered to the surface of the stimulable phosphor layer and having a peripheral area extending outside of substrate; and a second protective film provided on the opposite side of the substrate to the stimulable phosphor layer, the second protective film having a peripheral area extending outside of the substrate, wherein the peripheral area of the first protective film and the peripheral area of the second protective film are heat-sealed with each other; and the radiation image conversion panel has a dehydrating function to dehydrate a space surrounded by the first protective film and the second protective film.

Abstract: A method for producing a radiation image conversion panel containing the steps of: forming a stimulable phosphor layer on a substrate by a vapor deposition method to prepare a phosphor panel; hydrating the phosphor panel under a relative humidity of 30 to 60%; and sealing the phosphor panel with a moisture-proof protective film to prepare the radiation image conversion panel.

Abstract: A radiation image conversion panel comprising a phosphor sheet having a stimulable phosphor layer and a protective layer provided so as to cover the surface of the phosphor layer, wherein mean slope ?a of an outer surface of the protective layer not adjacent with the phosphor layer is from 0.01 to 0.1 and the surface roughness Ra in ?m of the inner side or the phosphor sheet side of the protective layer is 0.05 ?m to 0.45 ?m, and the stimulable phosphor layer is provided by a coating method.

Abstract: An object is to provide a scintillator plate exhibiting even sharpness, and further exhibiting enhanced sharpness by use of CsI crystals. Disclosed is a scintillator plate for radiation comprising a support and provided thereon a phosphor layer emitting light caused upon exposure to radiation, wherein the phosphor layer comprises a plurality of phosphor columnar crystals, and any two phosphor columnar crystal diameters represented by a and b (a?b) satisfy the following inequality of 1.0?a/b<1.5. Further disclosed is a scintillator plate for radiation comprising a support and provided thereon a phosphor layer emitting light caused upon exposure to radiation, wherein the phosphor layer comprises a phosphor made from cesium iodide (CsI) as a base material and an activator, and a most dominant growth direction in the phosphor is (n 0 0) plane (where n=1, 2 or 3).

Abstract: A method of producing a phosphor plate comprising the step of vapor depositing a phosphor raw material on a substrate to form a phosphor layer on the substrate in a vacuum container of a vapor deposition apparatus, wherein the vapor deposition is carried out in an atmosphere of a fluorinated solvent gas having a partial pressure of 5×10?4 to 5×10?1 Pa.

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.