Konica Minolta Medical and Graphic, Inc.

Konica Corporation

Konica-Minolta Holdings, Inc.

Noriyuki Mishina

Akihiro Maezawa

Takafumi Yanagita

Kuniaki Nakano

Osamu Morikawa

Katsuya Kishinami

Kouji Miyawaki

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 Dand Dsatisfy 0&#xb0;&#x2266;|D&#x2212;D|&#x2266;40&#xb0;, 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, Dand D.

Radiation image conversion panel and manufacturing method thereof

In a radiographic image conversion panel including a photostimulable phosphor layer on a support, at least one layer of the photostimulable phosphor layer is formed by a deposition method and has a film thickness of 50 &#x3bc;m to 10 mm, and the support includes a plurality of layers of two or more kind.

Radiographic image conversion panel

A radiation image conversion panel exhibiting enhanced luminance and superior sharpness is disclosed, comprising on a support a stimulable phosphor layer, wherein the stimulable phosphor layer which has been formed by gas phase deposition has a thickness of 50 &#x3bc;m to 1 mm, and a protective layer composed of a thermosetting resin or a thermoplastic resin is further provided on the stimulable phosphor layer.

Radiation image conversion panel and preparation method thereof

A radiation image conversion panel is disclosed, comprising on a support at least one stimulable phosphor layer comprising a stimulable phosphor, wherein the stimulable phosphor layer is a layer of vapor-deposited stimulable phosphor having a thickness of 50 &#x3bc;m to 20 mm, and the support exhibits a thermal conductivity of 0.1 to 20 W/mK. A preparation method thereof is also disclosed.

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.

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&#x2033;' of 5&#x2013;25 PPM (X&#x2033;&#x2032; is at least one halogen atom selected from the group including F, Cl, Br, and I.). General Formula (1); MX&#xb7;aMX&#x2032;&#xb7;bMX&#x2033;:eA, provided that X is not X&#x2033;&#x2032; when Mor Mis Na.

A radiation image conversion panel exhibiting superior homogeneity of an activator in a phosphor layer and enhanced luminance and sharpness, and a preparation method of the same. Described is the radiation image conversion panel having a stimulable phosphor layer on a support. The stimulable phosphor layer is formed by a vapor-phase growth process so as to have a layer thickness of 50 &#x3bc;m to 1 mm after a thermoplastic resin film is prepared on the support or the stimulable phosphor layer mentioned above is formed on a support composed of a thermoplastic resin containing a carbon fiber.

A radiation image conversion panel comprising a support and a stimulable phosphor layer provided on the support, in which the stimulable phosphor layer is formed by a gas-phase growing method so that the layer thickness of not less than 50 &#x3bc;m and the surface of the support is composed of polyimide resin.

Radiation image conversion panel and production method thereof

A radiographic image conversion panel including a support; and at least one photostimulable phosphor layer provided on the support. The layer has a film thickness of 50 &#x3bc;m to 1 mm, and has not less than two luminescence wavelength peaks between 350 nm and 450 nm.

Radiographic image conversion panel and method for manufacturing the same

A radiation image conversion panel is disclosed exhibiting superior homogeneity of an activator in a phosphor layer and enhanced luminance and improved sharpness, comprising on a support at least one phosphor layer, wherein the phosphor layer comprises a stimulable phosphor and is formed by a vapor deposition process so that the phosphor layer has a layer thickness of 50 &#x3bc;m to 1 mm, and the phosphor layer exhibits a pH between 0 and 7. There is also disclosed a preparation method of the radiation image conversion panel.

A radiographic image conversion panel includes: a support; and at least one photostimulable phosphor layer provided on the support, wherein at least one layer of the photostimulable phosphor layers is formed by a photostimulable phosphor, and an amount of an activation metal atom at an end of a photostimulable phosphor crystal and an amount of an activation metal atom in the vicinity of the support satisfy a specific formula.

Radiographic image conversion panel, method for manufacturing the same, method for forming phosphor particle, method for forming photostimulable phosphor precursor, phosphor precursor and photostimulable phosphor

A radiation image converging panel comprising a support having thereon a stimulable phosphor layer produced by a vapor phase method so as to have a thickness of 50 &#x3bc;m to 10 mm, wherein the stimulable phosphor layer comprises:(i) a stimulable phosphor; and (ii) an alkaline metal compound or an alkaline earth metal compound each having a different crystal structure from the stimulable phosphor, and an amount of the alkaline metal compound or the alkaline earth metal compound being 10 to 1000 ppm by weight based on the total weight of the stimulable phosphor layer.

Growing community of inventors

Ome, Japan

Noriyuki Mishina