Kabushiki Kaisha Toshiba

Toshiba Materials Co., Ltd.

Niterra Materials Co., Ltd.

Akito Sasaki

Kayo Nakano

Akira Sato

Shinya Kasamatsu

Hideaki Hirabayashi

Daisuke Fukushi

Yasuhiro Shirakawa

Takao Kusaka

Keiichi Fuse

Yoko Tokuno

Atsuya Sasaki

Yoshinori Kataoka

Tomomichi Naka

Kuniyuki Kakushima

Hideyuki Oozu

Yukiko Inui

Miho Nakamura

Hiroshi Iwai

Shuzi Hayase

Hiromasa Kato

Tomoyuki Suzuki

Naoaki Sakurai

Shuichi Saito

Fumiyuki Kawashima

Nobuaki Makino

Kazuo Tsutsui

Wei Li

Yoichiro Mori

Takaki Morooka

Junjun Jia

Yuzo Shigesato

Ryosuke Hiramatsu

According to one embodiment, a tungsten oxide powder is provided. The tungsten oxide has an average particle size along a major axis of 10 μm or less, an average aspect ratio of 10 or less, and 0 to 4 crystal defects per unit area of 9 nmon a surface or sectional surface in a direction of a minor axis of a primary particle.

Tungsten oxide powder and method for producing tungsten oxide powder

According to one embodiment, nano metal compound particles are provided. The nano metal compound particles have an average particle size of 50 nm or less. The nano metal compound particles have a peak ωof 2.8 eV or less. The peak ωcorresponds to a resonant frequency of an oscillator according to a spectroscopic ellipsometry method fitted to a Lorentz model.

Nano metal compound particles, coating material and film using the same, method for producing film, and method of producing nano metal compound particles

A photon counting radiation detector includes a cell structure including a substrate and an epitaxial layer provided on the substrate, radiation being incident on the epitaxial layer; an inclination θ of the substrate being set in a predetermined range, where tis a thickness of the substrate, tis a thickness of the epitaxial layer, L is a length of the substrate, and the inclination θ is an inclination of the substrate with respect to an incident direction of the radiation. The epitaxial layer is preferably one type selected from SiC, GaO, GaAs, GaN, diamond, and CdTe. Such a photon counting radiation detector is preferably a direct converting type.

Photon counting radiation detector and radiographic inspection device using the same

In one embodiment, an antibacterial material includes at least one microparticles selected from tungsten oxide microparticles and tungsten oxide complex microparticles. The microparticles, which have undergone a test to evaluate viable cell count by inoculating in a test piece, to which the microparticles are adhered in a range of 0.02 mg/cmor more and 40 mg/cmor less, at least one bacterium selected from among, methicillin-resistant, and enterohemorrhagic, and storing for 24 hours, have an antibacterial activity value R of 0.1 or more expressed by the following: R=log(B/C) where, Bdenotes an average value (number) of viable cell count after storing an untreated test piece for 24 hours, and Cdenotes an average value (number) of viable cell count after storing the test piece on which the microparticles are coated for 24 hours.

Antibacterial material and antibacterial film and antibacterial member using the same

A semiconductor solid state battery has an insulating layer provided between an N-type semiconductor and a P-type semiconductor. The first insulating layer preferably has a thickness of 3 nm to 30 &#x3bc;m and a dielectric constant of 10 or less. The first insulating layer preferably has a density of 60% or more of a bulk body. The semiconductor layer preferably has a capture level introduced. The semiconductor solid state battery can eliminate leakage of an electrolyte solution.

Semiconductor solid state battery

According to one embodiment, a method for manufacturing a ceramic circuit board is disclosed. The ceramic circuit board includes a copper plate bonded to at least one surface of a ceramic substrate via a brazing material layer including Ag, Cu, and a reactive metal. The method includes: preparing a ceramic circuit board in which a copper plate is bonded on a ceramic substrate via a brazing material layer, and a portion of the brazing material layer is exposed between a pattern shape of the copper plate; a first chemical polishing process of chemically polishing the portion of the brazing material layer; and a first brazing material etching process of etching the chemically polished portion of the brazing material layer by using an etchant having a pH of 6 or less and including one type or two types selected from hydrogen peroxide and ammonium peroxodisulfate.

Method for manufacturing ceramic circuit board

According to one embodiment, a photon counting-type radiation detector includes a first cell and a second cell. The first cell transmits radiation. The second cell is stacked with the first cell. The second cell absorbs the radiation passing through the first cell.

Photon counting-type radiation detector and radiological inspection device using same

In one embodiment, an antiviral material includes at least one microparticles selected from tungsten oxide microparticles and tungsten oxide composite microparticles. The microparticles have an inactivation effect R of 1 or more expressed by [R=log C&#x2212;log A], when there is evaluated a virus titer by inoculating on a specimen to which the microparticles are adhered, at least one virus selected from a low pathogenic avian influenza virus (H9N2), a high pathogenic avian influenza virus (H5N1) and a swine influenza virus, and irradiating the specimen with visible light having a wavelength of 380 nm or more and illuminance of 6000 lx. for 24 hours.

Antiviral material, antiviral film, antiviral fiber, and antiviral product

The present invention provides an electrode material comprising at least one of metal compound powder and carbon powder, the powder having an average particle size of 50 &#x3bc;m or less and an activation energy Eof 0.05 eV or less. Further, the powder preferably has hopping conduction characteristics at room temperature of 25&#xb0; C. Furthermore, the powder preferably has an amount of oxygen defects of 1&#xd7;10cmor more. Still further, the powder preferably has a carrier density of 1&#xd7;10cmor more. Due to above structure, there can be provided an electrode material having a high storage capacity and a high charge/discharge efficiency.

Electrode material, and electrode layer, battery, and electrochromic device using the electrode material

A cation adsorbent of an embodiment includes tungsten oxide particles having a BET specific surface area in a range of 0.82 m/g or more and 820 m/g or less. The cation adsorbent is added to a solution to be treated containing cations being recovery objects, and the cation adsorbent adsorbing the cations is precipitated. The generated precipitate is separated from the solution to recover the cations.

Treatment method for solution containing metal ions using cation adsorbent

According to one embodiment, a photocatalyst body satisfies at least one condition described below, (1) a ratio of an absorption intensity at a wave number of 3450 cmto a peak intensity of an absorption at about 1037 cmbeing 2.5 or less in an analysis of a surface of the body, (2) a ratio of a maximum peak intensity of an absorption in a wave number range of not less than 1500 cmand not more than 1700 cmto a peak intensity of an absorption at about 1037 cmbeing 0.7 or less in the analysis and (3) the photocatalyst body having no absorption peak in a wave number range of not less than 5000 cmand not more than 5400 cmor a ratio of a maximum peak intensity of an absorption to an absorption intensity at 5250 cmbeing 1.7 or less in the analysis.

Photocatalyst body, photocatalyst dispersion, and method for manufacturing photocatalyst body

According to one embodiment, an electrode material for a battery includes a tungsten oxide powder or a tungsten oxide composite powder provided with a coating unit containing at least one selected from a metal oxide, silicon oxide, a metal nitride, and silicon nitride.

Electrode material for battery, electrode material paste for battery, and solar cell using same, storage battery, and method for manufacturing solar cell

The present invention provides an electrode material for batteries made from tungsten oxide powder, wherein the tungsten oxide powder has a first peak present within a wavenumber range of 268 to 274 cm, a second peak present within a wavenumber range of 630 to 720 cm, and a third peak present within a wavenumber range of 800 to 810 cm, when a Raman spectroscopic analysis method is performed on the electrode material.

Electrode material for batteries, electrode material paste for batteries, method for manufacturing the electrode material for batteries, dye-sensitized solar cell, and storage battery

In one embodiment, a hydrophilic member includes a substrate having a surface and particles existing at least on the surface of the substrate. The particles are constituted of at least one selected from tungsten oxide particles and tungsten oxide composite particles. The substrate surface on which the particles exist has an arithmetic mean roughness Ra in the range of 1 nm to 1000 nm with a reference length of 100 &#x3bc;m, and exhibits hydrophilicity independently of light.

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Yokohama, Japan

Akito Sasaki