Abstract: Disclosed is a method of preparing a radiation image conversion panel comprising a substrate and a phosphor layer, the method comprising heating an evaporation source containing a phosphor raw material to evaporate the raw material and depositing an evaporated material on the substrate to form the phosphor layer, while the substrate being heated, wherein in (ii), a temperature of the substrate increases at a rate of 0 to 5° C./min, and falling within a range of from 60 to 110° C.

Abstract: A reading system for reading information recorded in a radiation image conversion panel containing a flexible substrate having thereon a phosphor layer containing a columnar crystal phosphor, wherein the reading system has a transport section to transport the radiation image conversion panel with curvature when the radiation image conversion panel is transported in the reading system, provided that the radiation image conversion panel has a curvature radius of from 50 to 500 mm during transportation by the transport section in the reading system.

Abstract: A radiation image conversion panel containing a substrate having thereon a phosphor layer, wherein the phosphor layer is formed with a vapor deposition method, and an adhesion force of the phosphor layer with the substrate is greater than a breaking strength of the phosphor layer.

Abstract: An objective is to provide a radiation image conversion panel exhibiting no generation of cracks in a phosphor layer, easy cutting, improved image and excellent productivity, and also to provide a manufacturing method and a cassette thereof. Disclosed is a radiation image conversion panel possessing a support and provided thereon, a phosphor layer possessing phosphor having a columnar crystal structure, wherein a region in which no phosphor layer is provided on a surface of the support is within 0.5 mm from an edge of the support.

Abstract: A radiation image storage panel which is provided with a stimulable phosphor substance layer containing a stimulable phosphor substance formed by a gas phase accumulation method on a support, wherein said stimulable phosphor substance layer is constituted of a columnar crystal structure, and slopes D1 and D2 satisfy 0°?|D1?D2|?40°, when acute angles formed by said radiation image storage panel surface and axial lines passing through the center of said columnar crystals, with respect to columnar crystals at arbitrary two points in the radiation image storage panel plane, are designated as slopes of columnar crystals, D1 and D2.

Abstract: A radiation image conversion panel is disclosed, comprising on a support a stimulable phosphor layer comprising a stimulable phosphor, wherein the stimulable phosphor layer is layer formed of columnar crystals of a parent component of a stimulable phosphor and further thereon a layer formed of columnar crystals of the parent component and an activator component, wherein the second columnar crystals are formed with (200) orientation through vapor deposition. There is also disclosed a preparation method thereof.

Abstract: It is an object to provide a radiation image conversion panel exhibiting excellent X-ray irradiation resistance property and a manufacturing method thereof. Disclosed is a radiation image conversion panel having a stimulable phosphor layer containing a stimulable phosphor provided on a support, wherein the stimulable phosphor is expressed by the following general formula (1), and the stimulable phosphor layer contains NaX?? of 5–25 PPM (X?? is at least one halogen atom selected from the group including F, Cl, Br, and I.). General Formula (1); M1X·aM2X?·bM3X?3:eA, provided that X is not X?? when M1 or M2 is Na.

Abstract: It is an object to provide a radiation image conversion panel exhibiting excellent X-ray irradiation resistance property and a manufacturing method thereof. Disclosed is a radiation image conversion panel having a stimulable phosphor layer containing a stimulable phosphor provided on a support, wherein the stimulable phosphor is expressed by the following general formula (1), and the stimulable phosphor layer contains NaX?? of 5-25 PPM (X?? is at least one halogen atom selected from the group including F, Cl, Br, and I.). General Formula (1); M1X·aM2X?·bM3X?3:eA, provided that X is not X?? when M1 or M2 is Na.

Abstract: A radiographic image conversion panel having stimulable phosphor containing a columnar crystal of stimulable phosphor formed by gas phase deposition method on a support, in which the surface reflectance at a wavelength of 440 nm of the support is from 50 to 100% and waviness of the surface of the support (WCA) is from 0.1 to 1.0.

Abstract: A radiation image conversion panel which is provided with a stimulable fluorescent substance layer containing a stimulable fluorescent substance layer containing a stimulable fluorescent substance formed by a gas phase accumulating method on a support, wherein said stimulable fluorescent substance layer is constituted on a columnar crystal structure, and slopes D1 and D23 satisfy 0°?|D1?D2|?40°, when acute angles formed by said radiation image conversion panel surface and normal lines passing through the center of said columnar crystals, with respect to columnar crystals at arbitrary two points in the radiation image conversion panel plane, are designated as slopes of columnar crystals, D1 and D2.

Abstract: A radiographic image conversion panel includes: a support on which a photostimulable phosphor layer containing a photostimulable phosphor is formed; and a protective layer for covering the photostimulable phosphor layer, wherein the photostimulable phosphor layer comprises a layer having the particle crystal structure containing a particle phosphor provided on a side of the support, and a layer having the column crystal structure containing a column phosphor provided on a side of the protective layer.

Abstract: A radiation image conversion panel is disclosed, comprising on a support a stimulable phosphor layer comprising a stimulable phosphor, wherein the stimulable phosphor layer is layer formed of columnar crystals of a parent component of a stimulable phosphor and further thereon a layer formed of columnar crystals of the parent component and an activator component, wherein the second columnar crystals are formed with (200) orientation through vapor deposition. There is also disclosed a preparation method thereof.

Abstract: A method for preparing a radiation image conversion panel, which comprises the steps of: (a) applying onto a support a stimulable phosphor coating composition comprising a stimulable phosphor and a polymer resin to form a stimulable phosphor layer; (b) drying the stimulable phosphor layer; and (c) subjecting the stimulable phosphor layer on the support to a compression treatment employing a calender roller which comes into contact with the stimulable phosphor layer to form the radiation image conversion panel, wherein the calender roller comprises a resin and the surface of the calendar roller has a Shore D hardness of D80 to D97°.

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).

Abstract: A method for preparing a radiation image conversion panel, which comprises the steps of:

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).

Abstract: A method for preparing a radiographic intensifying screen or a radiation image conversion panel is disclosed, comprising a support having thereon a phosphor layer, the method comprising the steps of (i) mixing a phosphor and a resin exhibiting a glass transition temperature of Tg1 to form a phosphor layer, (ii) subjecting the phosphor layer to compression, and (iii) making a glass transition temperature of the phosphor layer Tg2, wherein the Tg1 and the Tg2 meet the following requirement: Tg1<Tg2. Tg1 is within the range of −50° C. to 25° C., and Tg2 is 30° C. to 130° C.

Abstract: A radiographic intensifying screen and a radiographic image converting panel comprising a support having thereon a fluorescent substance layer containing fluorescent substance particles dispersed in a binder, wherein said binder comprises a resin containing a hydrophilic polar group.

Abstract: A radiation image detective sheet is disclosed, comprising a support having thereon a luminescent substance layer containing particles of a luminescent substance dispersed in a binder, wherein a ratio of the binder to the luminescent substance contained in the luminescent substance layer is 0.1 to 3.0% by weight and a filling ratio of the phosphor in the phosphor layer is not less than 65%. Further disclosed are a radiographic intensifying screen and a radiation image converting panel containing a phosphor and a stimulable phosphor as the luminescent substance, respectively, each having the same structure as the radiation image detective sheet.

Abstract: A magnetic recording medium comprises a support, and provided thereon, a non-magnetic layer and an uppermost magnetic layer in that order, said non-magnetic layer containing an acicular non-magnetic powder, and said uppermost magnetic layer containing a ferromagnetic metal powder comprising Fe and Al.