Kabushiki Kaisha Toshiba

Dai Nippon Printing Co., Ltd.

Mariko Hayashi

Takeshi Araki

Hiroyuki Fuke

Takeshi Yamaguchi

Takayuki Tsukamoto

Tomoyuki Horio

Kazuhiro Watanabe

Takashi Kuboki

Gen Furui

Yukimitsu Iwata

Takashi Kodama

Kiyoshi Itoh

Kohichi Kubo

Yoshihiro Nishimura

Nao Kobayashi

Yuya Inomata

Mayu Youki

Sanae Yoshida

Hiroshi Nakamura

Koichi Kubo

Hirofumi Inoue

Fumihiko Aiga

Tsukasa Nakai

Chikayoshi Kamata

Ko Yamada

Seiji Shinohara

Kiyotaka Matsui

Tomohiko Shimatsu

An oxide superconductor of an embodiment includes an oxide superconducting layer including at least one superconducting region containing barium (Ba), copper (Cu) and a first rare earth element, having a continuous perovskite structure, and having a size of 100 nm×100 nm×100 nm or more, and a non-superconducting region in contact with the at least one superconducting region, containing praseodymium (Pr), barium (Ba), copper (Cu), and a second rare earth element, having a ratio of a number of atoms of the praseodymium (Pr) to a sum of a number of atoms of the second rare earth element and the number of atoms of the praseodymium (Pr) being 20% or more, having a continuous perovskite structure continuous with the continuous perovskite structure of the superconducting region, and having a size of 100 nm×100 nm×100 nm or more.

Oxide superconductor and method for manufacturing same

A superconducting coil of embodiments includes a substrate having a curved surface, a superconducting wire wound on the curved surface, the superconducting wire having a first region and a second region facing the first region, a first resin layer surrounding the superconducting wire and including a plurality of first particles and first resin surrounding the first particles, and a second resin layer positioned between the first region and the second region, the second resin layer covering the first resin layer and including a plurality of second particles and second resin surrounding the second particles and being made of material different from material of the first resin.

Superconducting coil, superconducting device, and superconducting wire rod for superconducting coil

An oxide superconductor according to an embodiment includes an oxide superconducting layer includes a single crystal having a continuous perovskite structure containing at least one rare earth element selected from the group consisting of yttrium, lanthanum, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium, barium, and copper, containing praseodymium in a part of the site of the rare earth element in the perovskite structure, and having a molar ratio of praseodymium of 0.00000001 or more and 0.2 or less with respect to the sum of the at least one rare earth element and praseodymium; fluorine in an amount of 2.0&#xd7;10atoms/cc or more and 5.0&#xd7;10atoms/cc or less; and carbon in an amount of 1.0&#xd7;10atoms/cc or more and 5.0&#xd7;10atoms/cc or less.

Oxide superconductor and method for manufacturing the same

A superconducting coil of an embodiment includes a winding frame; a superconducting wire wound around the winding frame, the superconducting wire including a first region and a second region facing the first region; and a first layer placed between the first region and the second region, the first layer including a first particle and a thermosetting resin, the first particle including crystal having volume resistivity equal to or higher than 10&#x3a9;&#xb7;m and having cleavage, and the thermosetting resin surrounding the first particle.

Superconducting coil and superconducting device

An oxide superconductor includes: REBaCuO(RE being one element selected from a 'RE element group' of Pr, Nd, Sm, Eu, Gd, Y, Tb, Dy, Ho, Er, Tm, Yb, and Lu). The RE includes at least three types of metallic elements (M, M, and M), and the three types of metallic elements are any element of the RE element group selected in order. In an oxide system satisfying R(M)&#x2264;20 mol % and R(M)&#x2265;60 mol % and R(M)&#x2264;20 mol %, R(M) being an average metallic element ratio of Min M+M+M, SD(Ms)&#x3e;0.15 is satisfied at a position at 50% of an average film thickness of a cross section including the c-axis, Ms being the metallic element of not larger of R(M) and R(M), SD(Ms) being a standard deviation/average value of a concentration of Ms.

An oxide superconductor according to an embodiment includes an oxide superconducting layer includes a single crystal having a continuous perovskite structure containing at least one rare earth element selected from the group consisting of yttrium, lanthanum, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium, barium, and copper, containing praseodymium is a part of the site of the rare earth element in the perovskite structure, and having a molar ratio of praseodymium of 0.00000001 or more and 0.2 or less with respect to the sum of the at least one rare earth element and praseodymium; fluorine in an amount of 2.0&#xd7;10atoms/cc or more and 5.0&#xd7;10atoms/cc or less; and carbon in an amount of 1.0&#xd7;10atoms/cc or more and 5.0&#xd7;10atoms/cc or less.

The claimed invention provides an antistatic hard coat film that is extremely excellent in white muddiness resistance and antistatic properties and sufficiently prevents an interference fringe pattern. The claimed invention provides an antistatic hard coat film including a triacetyl cellulose substrate and a hard coat layer formed on the triacetyl cellulose substrate, the hard coat layer including an antistatic agent, a (meth)acrylate resin, and a polymer of a (meth)acrylate monomer, the triacetyl cellulose substrate including a permeation layer formed by permeation of the (meth)acrylate monomer from the hard coat layer side of the interface toward the opposite side of the hard coat layer, the antistatic hard coat film satisfying Formulas (1), (2), and (3):3 &#x3bc;m&#x2264;&#x2264;18 &#x3bc;m&#x2003;&#x2003;Formula (1)0.3&#x2264;0.9&#x2003;&#x2003;Formula (2)2 &#x3bc;m&#x2264;&#x2264;11 &#x3bc;m&#x2003;&#x2003;Formula (3)where T denotes the total thickness (&#x3bc;m) of the permeation layer and the hard coat layer, and t denotes the thickness (&#x3bc;m) of the permeation layer.

Antistatic hardcoat film, process for producing same, polarizer, and image display device

An oxide superconductor includes: REBaCuO(RE being one element selected from a 'RE element group' of Pr, Nd, Sm, Eu, Gd, Y, Tb, Dy, Ho, Er, Tm, Yb, and Lu). The RE includes at least three, types of metallic elements (M1, M2, and M3), and the three types of metallic elements are any element of the RE element group selected in order. In an oxide system satisfying R(1)&#x2264;20 mol % and R(M2)&#x2265;60 mol % and R(M3)&#x2264;20 mol %, R(M1) being an average metallic element ratio of M1 in M1+M2+M3, SD(Ms)&#x3e;0.15 is satisfied at a position at 50% of an average film thickness of a cross section including the c-axis, Ms being the metallic element of not larger of R(M1) and R(M3), SD(Ms) being a standard deviation/average value of a concentration of Ms.

To provide an antireflection film that is excellent in color uniformity while suppressing the reflectance. An antireflection film containing a transparent substrate having thereon a high refractive index layer and a low refractive index layer, the antireflection film having a luminous reflectance Y value, which is measured with a specimen containing the antireflection film and a black board adhered on a side of the transparent substrate opposite to the high refractive index layer through a transparent adhesive, that satisfies the following condition (1), and an a* value and a b* value of the Lab color coordinate system, which are measured with the specimen, that satisfy the particular condition: &#x3c;Condition (1)&#x3e; assuming that an incident angle of light incident perpendicularly on a surface of the specimen on a side of the low refractive index layer is 0 degree, when light is made incident on the specimen at an incident angle of 5 degrees, specularly reflected light of the incident light has a luminous reflectance Y value of 0.50% or less.

Antireflection film, display device in which said antireflection film is used, and method for selecting antireflection film

The claimed invention provides an antireflection film including a light-transmitting substrate, a hard coat layer, and a low-refractive-index layer, the hard coat layer and the low-refractive-index layer being formed on the light-transmitting substrate, the low-refractive-index layer including a (meth)acrylic resin, hollow silica particles, reactive silica particles, and two kinds of antifouling agents, the hollow silica particles having an average particle size of 40 to 80 nm and a blending ratio to the (meth)acrylic resin, represented by a ratio: Amount of hollow silica particles/Amount of (meth)acrylic resin, of 0.9 to 1.4, the amount of the reactive silica particles being 5 to 60 parts by mass based on 100 parts by mass of the (meth) acrylic resin, the antifouling agents including an antifouling agent that contains a fluorine compound and an antifouling agent that contains a fluoro-silicone compound.

Antireflection film, method for producing antireflection film, polarizer and image display device

According to one embodiment, an oxide superconductor includes an oriented superconductor layer and an oxide layer. The oriented superconductor layer contains fluorine at 2.0&#xd7;10-5.0&#xd7;10atoms/cc and carbon at 1.0&#xd7;10-5.0&#xd7;10atoms/cc. The superconductor layer contains in 90% or more a portion oriented along c-axis with an in-plane orientation degree (&#x394;&#x3c6;) of 10 degrees or less, and contains a LnBaCuOsuperconductor material (Ln being yttrium or a lanthanoid except cerium, praseodymium, promethium, and lutetium). The oxide layer is provided in contact with a lower surface of the superconductor layer and oriented with an in-plane orientation degree (&#x394;&#x3c6;) of 10 degrees or less with respect to one crystal axis of the superconductor layer. Area of a portion of the lower surface of the superconductor layer in contact with the oxide layer is 0.3 or less of area of a region directly below the superconductor layer.

Oxide superconductor, oriented oxide thin film, and method for manufacturing oxide superconductor

The present invention has its object to provide an optical layered body having sufficient hardness and an even surface, including a low refractive index layer having a sufficiently low refractive index, and having excellent antireflection properties. optical layered body of the present invention comprises: at least a low refractive index layer on a light-transmitting substrate, wherein said low refractive index layer is formed by using a composition for a low refractive index layer, said composition comprising a hollow silica fine particle and an organic binder, said organic binder containing: a fluorine atom-free polyfunctional monomer having three or more reactive functional groups in one molecule; a fluorine atom-containing monomer; and a fluorine atom-containing polymer.

Optical layered body, polarizer and image display device

According to one embodiment, a non-volatile memory device includes a stacked structure and a voltage application portion. The stacked structure includes a memory portion, and an electrode stacked with the memory portion and having a surface having a portion facing the memory portion. The voltage application portion applies a voltage to the memory portion to cause a change in a resistance in the memory portion to store information. The surface includes a first region and a second region. The first region contains at least one of a metallic element, Si, Ga, and As. The first region is conductive. The second region contains at least one of the metallic element, Si, Ga, and As, and has a content ratio of nonmetallic element higher than a content ratio of nonmetallic element in the first region. At least one of the first region and the second region has an anisotropic shape on the surface.

Non-volatile memory device and method for manufacturing the same

In view of the above state of the art, it is an object of the present invention to provide an optical layered body which can prevent the agglomeration of silica particles and form the desired surface roughness on the surface. An optical layered body comprising a light-transmitting substrate and an antiglare layer having a surface roughness on its surface,

Optical layered body including an antiglare layer containing organic particles and nonspherical silica particles

According to one embodiment, an information recording and reproducing device includes a recording layer and a driving unit. The recording layer includes a first layer containing a first compound. The first compound includes a first positive ion element. The first positive ion element is made of a transition metal element and serves as a first positive ion. The second positive ion element serves as a second positive ion. The driving unit is configured to generate a phase change in the recording layer and to record information by at least one of application of a voltage and application of a current to the recording layer. The coordination number of the first positive ion element at a position of a second coordination of the second positive ion element is 80% or more and less than 100% of the coordination number when the first compound is assumed to be a perfect crystal.

Growing community of inventors

Tokyo, Japan

Mariko Hayashi