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 vacum evaporation method using a source material comprising CsI and two or more activators.

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

Abstract: A performance of a stimulable phosphor layer is enhanced by filling a filler in spacing of columnar crystals of a stimulable phosphor layer in a radiation image conversion panel having a stimulable phosphor layer in the form of columnar crystals formed by a vapor deposition method. According to the foregoing radiation image conversion panel, entire columnar crystals were able to be evenly surface-treated by penetrating the surface treatment agent into spacing of columnar crystals and by being treated for the surface of columnar crystals with the surface treatment agent in surface tension not more than 25 mN/m, and functions concerning properties such as the prevention of reflection and scattering of a stimulating light, water-repelling, oil-repelling, moisture resistance, antifouling and so forth can also be added.

Abstract: The present invention makes it possible to provide a radiation image conversion panel which can produce radiographic images having an excellent sharpness and having neither image unevenness nor line noise, while having a high scratch resistance property. The radiation image conversion panel is composed of a phosphor sheet having a stimulable phosphor layer coated on a support and a protective film designed to cover the stimulable phosphor layer and its panel having a highly improved scratch resistance property can be obtained by producing mean slope on the surface of a protective film ?a which is 0.014 or more and not more than 0.1. Sharpness of this panel can also be enhanced since a stimulating light which is scattered and reflected at the interface of a protective layer can be absorbed by preparing a stimulating light absorbing layer in the protective layer.

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 method for manufacturing a radiation image conversion panel comprising the steps of: forming a stimulable phosphor layer on a substrate by a vapor deposition method to prepare a phosphor plate; heating the phosphor plate in an organic solvent gas; and sealing the phosphor plate with a moisture-proof protective film to prepare the radiation image conversion panel.

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 housing for accommodating a radiation detecting member, has a first plate member to which radiation is incident from an outside of the housing; a second plate member arranged opposite to the first plate member; a radiation detecting member provided between the first plate member and the second plate member and having a radiation receiving surface to detect the radiation having passed through the first plate member; and a scattering radiation shielding member arranged at a radiation receiving surface side of the radiation detecting member and to eliminate scattering radiation from the radiation before the radiation is detected by the radiation receiving surface.

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 performance of a stimulable phosphor layer is enhanced by filling a filler in spacing of columnar crystals of a stimulable phosphor layer in a radiation image conversion panel having a stimulable phosphor layer in the form of columnar crystals formed by a vapor deposition method. According to the foregoing radiation image conversion panel, entire columnar crystals were able to be evenly surface-treated by penetrating the surface treatment agent into spacing of columnar crystals and by being treated for the surface of columnar crystals with the surface treatment agent in surface tension not more than 25 mN/m, and functions concerning properties such as the prevention of reflection and scattering of a stimulating light, water-repelling, oil-repelling, moisture resistance, antifouling and so forth can also be added.

Abstract: The present invention makes it possible to provide a radiation image conversion panel which can produce radiographic images having an excellent sharpness and having neither image unevenness nor line noise, while having a high scratch resistance property. The radiation image conversion panel is composed of a phosphor sheet having a stimulable phosphor layer coated on a support and a protective film designed to cover the stimulable phosphor layer and its panel having a highly improved scratch resistance property can be obtained by producing mean slope on the surface of a protective film ?a which is 0.014 or more and not more than 0.1. Sharpness of this panel can also be enhanced since a stimulating light which is scattered and reflected at the interface of a protective layer can be absorbed by preparing a stimulating light absorbing layer in the protective layer.

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: A package including: (i) a radiation image conversion panel containing a substrate having thereon a phosphor layer; and (ii) a moisture protective film surrounding the radiation image conversion panel, wherein a space formed by an inner surface of the moisture protective film and a surface of the phosphor layer is filled with a gas selected from the group consisting of N2, He, Ne, Ar, Kr and Xe.

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 the average slant angle ?a of the surface roughness of the 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 phophor 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: A radiographic image conversion panel includes a support; and a photostimulable phosphor layer provided on the support. A photostimulable phosphor is formed on the support by a vapor phase deposition method and then, heat treatment is performed at a temperature of from 80° C. to 300 ° C.

Abstract: A preparation process of a stimulable phosphor which exhibits no deterioration in radiographic performance due to moisture absorption and are usable in a viable state over a long period of time is disclosed, wherein after subjected to calcination, phosphor particles are coated with a fluorine-containing compound and a silane coupling agent. A radiation image conversion panel containing the stimulable phosphor is also disclosed.

Abstract: A method for producing a photostimulable phosphor represented by a following General Formula (1), includes subjecting phosphor particles in the photostimulable phosphor to a surface treatment by using a fluorine-containing compound after calcining the phosphor particles: General Formula (1), (Ba1-x M1) FBryI1-y X:aM2, bLn, cO wherein M1 is at least one alkaline earth metal atom selected from Mg, Ca, Sr, Zn and Cd; M2 is at least one alkaline metal atom selected from Li, Na, K, Rb and Cs; X is at least one halogen atom selected from Cl, Brand I; Ln is at least one rare earth atom selected from Ce, Pr, Sm, Eu, Gd, Tb, Tm, Dy, Ho, Nd, Er and Yb; and x, y, a, b and c are numbers within the range of 0≦x≦0.3, 0≦y≦0.3, 0≦a≦0.05, 0<b≦0.2 and 0<c≦0.1, respectively.

Abstract: A radiographic image conversion panel including: a supporting member; a photostimulable phosphor layer provided on the supporting member, surface energy of the photostimulable phosphor layer being in a range of 10 to 50 erg/cm2; and a protection layer for covering the photostimulable phosphor layer.

Abstract: A radiation image conversion panel comprising a phosphor sheet having a support and a stimulable phosphor layer provided on the support and a protective film covering the stimulable phosphor layer, wherein a transmittance of the protective film for stimulating light is not larger than 97% and a haze ration of the protective film is within the range of 5% to 60%.

Abstract: A radiation image conversion panel comprising, (i) a phosphor sheet which contains a support having thereon an stimulating light absorbing layer(A) being colored to absorb the stimulating light, and a stimulable phosphor layer in the order; and (ii) a protecting layer which covers the stimulable phosphor layer of the phosphor sheet, wherein the protective layer comprises a stimulating light absorbing layer(B) being colored to absorb the stimulating light, and the layers(A) and (B) each have a smaller absorbance at a peak wavelength of a stimulated emission than an absorbance at a peak wavelength of the stimulating light, and a thickness of the layer(A) is larger than a thickness of the layer(B).