Kabushiki Kaisha Toshiba

Toshiba Electron Tubes & Devices Co., Ltd.

Katsuhisa Homma

Yoshiaki Ouchi

Masaru Nikaido

Shinetsu Fujieda

Masahiro Kato

Akiko Suzuki

Mutsuki Yamazaki

Takashi Sudo

Kazuo Kobayashi

Naotada Okada

Osamu Nakamura

Shuji Yoshizawa

Kiyomi Koyama

Toshiharu Higuchi

Sadao Matsumoto

Eiichirou Uda

Hiroshi Aida

Tatsuoki Kono

Sakae Kimura

Hiroshi Onihashi

Hiroshi Kubo

Kenichi Ito

Yoshiharu Obata

Hitoshi Chiyoma

Akiko Fujisawa

Kitio Akiyama

Syozo Sato

Ryuichi Togawa

Yasuaki Kawasaki

Tadayoshi Kinoshita

Keiko Sakai

Katumi Yanagibashi

Yoshikazu Uemura

Yoshiko Mikoshiba

Tetsu Sano

Masakuni Ikagawa

Yuichi Shinba

According to the embodiment, a radiation detector includes an array substrate including a photoelectric conversion element, a scintillator layer formed on the photoelectric conversion element and converting radiation to fluorescence, and a moisture-proof layer including a surface-smoothing layer which is a continuous film formed to cover the scintillator layer and including at least an organic resin material as a main component and a moisture-proof layer which is a continuous film formed on a surface of the smoothed layer by direct film formation and consisting from inorganic material.

Radiation detector and method for manufacturing the same

Provided is a composition for reflective film comprising a polyvinyl acetal resin, an epoxidized vegetable oil, a solvent, a coupling agent and titanium oxide.

Composition for reflective film, reflective film, and X-ray detector

According to one embodiment, a radiation detector includes a substrate, a scintillator layer, a moisture-proof body and an adhesive layer. The substrate is partitioned into at least an active area and a bonding area. The substrate includes a photoelectric conversion element located in the active area and configured to convert fluorescence to an electrical signal, an organic resin protective layer located at an outermost layer in the active area, and an inorganic protective film located at an outermost layer of the bonding area. The scintillator layer is formed on the organic resin protective layer so as to cover the photoelectric conversion element and configured to convert radiation to the fluorescence. The moisture-proof body is formed so as to cover the scintillator layer. The adhesive layer is formed on the inorganic protective film and bonds the moisture-proof body to the substrate.

Radiation detector

According to one embodiment, a radiation detector comprises an array substrate having thereon a photoelectric conversion element for converting fluorescence into an electrical signal and having the outermost layer covered with a protective film, a scintillator layer provided on the protective film and converting incident radiation into fluorescence, and a reflective layer filmed by coating and drying paste-like material containing light-scattering particles and a binder provided on the scintillator layer, wherein the protective film is made of a thermoplastic resin having a softening point not higher than the film formation temperature of the scintillator layer and extending on the array substrate over an area of the reflective layer.

Radiation detector and method for manufacturing same

A radiation detector characterized by includes a photoelectric conversion element, a scintillation layer which converts radioactive rays to fluorescence, the scintillation layer being formed on the photoelectric conversion element, and a reflective film formed on the scintillation layer, the reflective film containing light-scattering particles for reflecting the fluorescence from the scintillation layer and a binder material binding the light-scattering particles, and having depletion portions without being filled with the binder material, the depletion portions being formed in a periphery of the light-scattering particles.

According to one embodiment, a radiation detector includes, a substrate, a scintillator layer, a moistureproof body, and an adhesion layer. The substrate comprises a photoelectric conversion element. The scintillator layer is formed on the substrate and converts radiation into fluorescence. The moistureproof body comprises a flange portion in a periphery thereof, the moistureproof body being deep enough to contain at least the scintillator layer. The adhesion layer causes the substrate and the flange portion of the moistureproof body to adhere to each other in a sealed manner.

Radiation detector and method for producing the same

A radiation detector comprises pixel electrodes which collect charges, a photoelectric converting layer which is provided on the pixel electrodes and which converts incident radiation into the charges, and which contains at least one or more kinds of heavy metal halide (AB:A=heavy metal, B=halogen, n=either one of 1, 2, and 3) and at least one or more kinds of halogen (B) respectively, and an electrode layer which is provided on the photoelectric converting layer opposite to the pixel electrodes.

An X-ray detector comprising a scintillator layer () provided for each pixel and adapted for converting X radiation into light, a storage capacitor () for storing, as electric charge, the light converted in the scintillator layer (), and a partition layer () partitioning the adjoining scintillator layers () provided to the respective pixels. The scintillator layer () contains a fluorescent material (I), the partition layer contains a second phosphor (P) having optical characteristics different from those of the fluorescent material (IP). The wavelength of the fluorescent light emitted from the second phosphor (P) includes a component which is equal to or longer than the shortest wavelength of the fluorescent light emitted from the fluorescent material (IP).

X-ray detector and method for producing X-ray detector

There is provided an impregnated-type cathode substrate comprising a large particle diameter low porosity region and a small particle diameter high porosity region which is provided in a side of an electron emission surface of the large particle diameter low porosity region and has an average particle diameter smaller than an average particle diameter of the large particle diameter low pore region and a porosity higher than a porosity of the large particle diameter low porosity region, the impregnated-type cathode being impregnated with an electron emission substance.

Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity region

An outer case has an opening portion and a power generation element is held in the outer case and has a positive electrode and negative electrode with a separator interposed. A cover member is joined to the opening portion and the cover member is welded to the outer case with a laser beam. An injection port is formed in the cover member. After an electrolyte has been injected via the injection port into the outer case, a sealing member is pressed in a hermetical way into the injection port and then blocked by a sealing cover welded to the cover member using the laser beam. Furthermore, a pressing member is provided between the power generation element and the inner surface of the cover member wherein one end of the pressing member is receded a predetermined dimension from the injection port.

Sealed battery and method of manufacturing the same

A metallic outer case has an opening portion. A first corner portion is provided at an outer periphery of the opening portion. A power generating element is stored within the outer case. The power generating element has a positive electrode and a negative electrode opposed to each other, with a separator interposed. An end face of the opening portion is sealed by a metallic cover member. The cover member has a second corner portion corresponding to the first corner portion of the outer case, and welded to the outer case, with a coupled portion between the cover member and the outer case irradiated with a laser beam. Those portions of the first corner portion of the outer case and the second corner portion of the cover member, which are irradiated with the laser beam, are shaped as angular portions of substantially the same shape.

Prismatic sealed battery and method of manufacturing the same

There is a sealed battery including a battery case having a lid hermetically joined to the opening portion of an outer jacket, and having a structure in which an electrolyte injection hole in the battery case is hermetically sealed with a metal sealing lid. This sealed battery includes a battery case having a structure in which a metal lid is welded to the opening portion of a metal outer jacket, an electric-power generating element housed in the battery case and having a positive electrode and a negative electrode with a separator being sandwiched therebetween, an electrolyte injection hole formed in the battery case to allow an electrolyte to be injected, and a sealing lid made of a metal plate material which is seam-welded to the battery case including the electrolyte injection hole by laser welding. The sealing lid has a weld portion formed by the laser welding to have a closed loop surrounding the electrolyte injection hole so as to be seam-welded to the battery case. At least one of start and end points of the weld portion is located outside the closed loop.

Battery and method of manufacturing the same

Impregnated type cathode assembly, cathode substrate for use in the

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Otawara, Japan

Katsuhisa Homma