Konica Minolta Medical and Graphic, Inc.

Konica Corporation

Shinji Kudo

Takehiko Shoji

Osamu Morikawa

Yasushi Nagata

Atsushi Nakajima

Akihisa Nakajima

Eiichi Ueda

Ryoji Hattori

Sota Kawakami

Hiroshi Kashiwagi

Kenji Ohnuma

Chiaki Nagaike

Ai Katsuda

Miyuki Teranishi

Hiroshi Otani

Keiko Chigusa

The scintillator plate has a reflective layer, a resinous anti-corrosion layer and a scintillator layer provided sequentially in that order on a heat resistant resin substrate. The scintillator plate is employed as a component for a flat panel radiation detector. The scintillator plate has a protective film between the scintillator layer and the flat light receiving element which makes up the flat panel radiation detector. There is point contact between the surface of the scintillator layer and the protective film and there is point contact between the flat light receiving element and the protective film.

Scintillator plate, scintillator panel and flat panel radiation detector by use thereof

A scintillator panel comprising a scintillator plate containing a substrate having thereon a reflective layer, a sublayer and a scintillator layer in that order, wherein the scintillator plate is sealed with: a first protective film provided on a side of the scintillator layer; and a second protective film provided on a side of the substrate opposite the scintillator layer, wherein the first protective layer is not adhered to the scintillator layer, and the second protective layer contains an aluminum layer.

Scintillator panel and flat-panel radiation detector

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 &#x3bc;m is formed on a support vapor deposition and then is heat-treated, wherein a ratio of transmittance T/T(T represents transmittance after heat-treating, and Tbefore heat-treating) at a stimulated luminescence wavelength of the stimulable phosphor is 0.5&#x2266;T/T&#x2266;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.

Radiation image conversion panel and preparation method thereof

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 &#x394;a of surface roughness of the protective film is 0.01-0.4.

Scintillator plate

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&#xb0; C. or more.

Radiation image conversion panel and manufacturing method thereof

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.

Radiation image conversion panel

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.

Production method of radiation image conversion panel

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 &#x394;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 &#x3bc;m of the inner side or the phosphor sheet side of the protective layer is 0.05 &#x3bc;m to 0.45 &#x3bc;m, and the stimulable phosphor layer is provided by a coating method.

A silver salt photothermographic dry imaging material comprising a support having thereon a photosensitive layer and a polymer layer, wherein the polymer layer comprises a copolymer of: (i) a fluorine containing acrylate or a fluorine containing methacrylate; and (ii) a monomer having a hydrophobic group in the molecule.

Silver salt photothermographic dry imaging material

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 &#x394;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.

A silver salt photothermographic material exhibiting enhanced image quality and superior uniformity without causing uneven density is disclosed, comprising on a support a light-sensitive layer comprising a light-sensitive emulsion containing organic silver salt grains and light-sensitive silver halide grains, a reducing agent and a binder and a conductive layer, wherein the conductive layer contains at least one of compounds represented by the following general formulas:

A photothermographic material is disclosed, comprising a light-sensitive silver halide, an organic silver salt, a reducing agent, a thiuronium salt and a binder, wherein the photothermographic material further contains at least one of compounds represented by formulas such as

Photothermographic material

Disclosed is a light sensitive composition comprising a compound capable of generating an acid on exposure of actinic light, one of a compound having a chemical bond capable of being decomposed by an acid and a compound having a group cross-linking by an acid, an infrared absorber, a polymer obtained by polymerization of a polymerizable composition comprising an ethylenically unsaturated monomer having a solubility parameter (SP value) of 13 or more.

Light sensitive composition and image forming material

A method of manufacturing a light-heat converting heat mode recording material comprises a first support having thereon a cushion layer, an intermediate layer and an image forming layer in that order, the material comprising a light-heat converting substance, the method comprising the steps of a) providing a first unit comprising a first support; b) providing a second unit comprising a second support having thereon the image forming layer; c) superposing the second unit on the first unit so that the image forming layer is in close contact with the first unit; and d) separating the second support from the image forming layer to form the recording material, wherein the second support has a releasing layer containing a cross-linked compound on the image forming layer side, the releasing layer being insoluble in a coating solvent for both the intermediate layer and the image forming layer, and provided between the second support, or has a releasing layer containing a fluorine-containing compound or a long chain alkyl group-containing compound.

Growing community of inventors

Hino, Japan

Shinji Kudo