Sekisui Medical Co., Ltd.

Mitsubishi Electric Corporation

Nippon Steel Corporation

Nihon Medi-physics Company, Limited

Yamanouchi Pharmaceutical Company Ltd.

Other

Shinya Yano

Hideki Kubota

Masato Yasuda

Katsuhisa Ito

Masaru Takahashi

Yoshiyuki Ushigami

Yasushi Nakayama

Shingo Okada

Yoshio Honda

Makoto Takayama

Kenta Saito

Toshiyuki Takemoto

Ko Yasukawa

Kiyoshi Furuichi

Yuji Sugita

Motowo Tomita

Yuki Wakasugi

Yosuke Iwanaga

Noboru Yamaji

Shuichi Nakamura

Toshihiro Mori

Kenichi Murakami

Jun Ichinose

Takashi Kataoka

Tomoaki Ito

Tomoji Kumano

Seiki Hiramatsu

Shinichi Kinouchi

Yoshihiro Arita

Hodaka Rokubuichi

Shota Morisaki

Chihiro Kawahara

Yusuke Kawamura

Takeo Aramaki

Shota Morimoto

Ikuo Kajishiro

Akio Oguri

Miho Sasamata

Masao Katoh

Eriko Matsumura

Hisanori Ezoe

An object of the present invention is to provide a method for purifying efficiently and easily aRa-containing solution obtained whenAc is produced from aRa target, a method for producing aRa target by using the purifiedRa-containing solution obtained by the above purification method, and a method for producingAc including these above methods. The method for purifying aRa-containing solution according to the present invention is characterized by including an adsorption step (R1) of allowingRa ions to adsorb onto a carrier having a function of selectively adsorbing divalent cations by bringing aRa-containing solution (a) into contact with the carrier under an alkaline condition; and an elution step (R2) of eluting theRa ions from the carrier under an acidic condition.

Method for purifyingRa-containing solution, method for producingRa target, and method for producingAc

A grain-oriented electrical steel sheet comprises a base steel sheet and a glass coating that is formed on the surface of the base steel sheet, and is characterized in that: the base steel sheet contains as chemical components, in mass %, 0.010% or less of C, from 2.00% to 4.00% of Si, from 0.05% to 1.00% of Mn, from 0.010% to 0.065% of Al, 0.004% or less of N and 0.010% or less of S, with the balance of Fe and impurities, wherein the oxygen concentration in the glass coating and the base steel sheet is 2,500 ppm or less; and if Iis the first peak intensity of Al and Iis the second peak intensity of Al in the concentration profile of Al, the relationship of mathematical formula (1) I<Iis satisfied.

Grain-oriented electrical steel sheet

One embodiment of the present invention relates to a production method of aRa target, a production method ofAc, or an electrodeposition solution for producing aRa target, and the production method of aRa target includes an electrodeposition step of electrodepositing aRa-containing substance on a substrate by using an electrodeposition solution that containsRa ions and a pH buffer.

Production method of 226Ra target, production method of 225Ac, and electrodeposition solution for producing 226Ra target

A grain oriented electrical steel sheet includes the texture aligned with Goss orientation. In the grain oriented electrical steel sheet, when (αβγ) and (αβγ) represent deviation angles of crystal orientations measured at two measurement points which are adjacent on the sheet surface and which have an interval of 1 mm, the boundary condition BA is defined as |β−β|≥0.5°, and the boundary condition BB is defined as [(α−α)+(β−β)+(γ−γ)]≥2.0°, the boundary which satisfies the boundary condition BA and which does not satisfy the boundary condition BB is included.

Grain oriented electrical steel sheet

A semiconductor device includes: a circuit member including a planar portion; a terminal portion formed above the front surface of the planar portion of the circuit member and parallel to the planar portion; a semiconductor element which has an upper surface located below an upper surface of the terminal portion and is formed on the front surface of the planar portion of the circuit member; a resin layer arranged on the semiconductor element and having first openings through which the semiconductor element is exposed; a conductive layer arranged on the resin layer, including an upper surface located above the upper surface of the terminal portion, and joined to the semiconductor element through the first openings; and a sealing member including an upper surface parallel to the planar portion and integrally sealing the circuit member, the semiconductor element, the resin layer, the conductive layer, and part of the terminal portion.

Semiconductor device and power converter

A semiconductor device includes a substrate having a first surface, a first electrode, a second electrode and a third electrode formed on the first surface, a first semiconductor element and a second semiconductor element disposed in the interior of the substrate, a first wiring group electrically connecting the first electrode to the first semiconductor element, and a fourth wiring group electrically connecting the second semiconductor element to the second electrode. The first wiring group includes a first connection part disposed in the interior of the substrate. The fourth wiring group includes a second connection part disposed in the interior of the substrate. When a voltage is applied between the first electrode and the third electrode to cause current to flow through the second electrode, a direction of current flowing through first connection part is opposite to a direction of current flowing through the second connection part.

Semiconductor device and power conversion device

The purpose of the present invention is to provide a protecting group which improves the solubility of a compound having a functional group protected with the protecting group in an organic solvent and which is easily separated and purified after a reaction with avoiding solidification or insolubilization. Provided is a benzyl compound represented by Formula (1) where Xrepresents &#x2014;CHOR(where Rrepresents a hydrogen atom, a halogenocarbonyl group, or an active ester-type protecting group), &#x2014;CHNHR(where Rrepresents a hydrogen atom, a linear or branched alkyl group having 1 to 6 carbon atoms, or an aralkyl group), a halogenomethyl group, a methyl azide group, a formyl group, or an oxime; and at least one of R, R, R, R, and Ris a group represented by Formula (2), and the remainders each represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, where Rrepresents a linear or branched alkylene group having 1 to 16 carbon atoms; Xrepresents O or CONR(where Rrepresents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms); and A represents a group represented by Formula (3), (4), (5), (6), (7), (8), (9), (10), (11), (12), or (13).

Benzyl compound

A method for producing 225including: a method (X) for purifying aRa-containing solution, including an adsorption step of allowing aRa ion to adsorb onto a carrier having a function of selectively adsorbing a divalent cation by bringing aRa-containing solution into contact with the carrier under an alkaline condition, and an elution step of eluting theRa ion from the carrier under an acidic condition; a method for producing aRa target, including an electrodeposition liquid preparation step of preparing an electrodeposition liquid by using a purifiedRa-containing solution obtained by the method (X), and an electrodeposition step of electrodepositing aRa-containing substance on a substrate by using the electrodeposition liquid; and a step of irradiating aRa target produced by the method for producing aRa target with at least one selected from a charged particle, a photon, and a neutron by using an accelerator.

Method for producingAc

Provided is an alkyldiphenylmethane protective agent, which can prevent solidification or insolubilization of a compound by protecting a functional group of the compound to achieve easy separation and purification after a reaction. An alkyldiphenylmethane compound represented by general formula (1):  

Alkyldiphenylmethane protective agent

A grain-oriented electrical steel sheet having a metallographic structure after secondary-recrystallized annealing including matrix grains of Goss-oriented secondary recrystallized grains, wherein an existence frequency of Goss-oriented crystal grains having a major diameter of 5 mm or less in the matrix grains is 1.5 grains/cmor more and 8 grains/cmor less, and the magnetic flux density B8 is 1.88 T or more, and wherein deviation angles from a rolling direction of [001] direction of the Goss-oriented crystal grains having the major diameter of 5 mm or less are 7&#x2033; or less and 5&#xb0; or less, in terms of a simple or arithmetic average of &#x3b1; angle and &#x3b2; angle, respectively, wherein the &#x3b1; angle represents an angle formed by a longitudinal direction and a projection of the [001] on a specimen surface, and the &#x3b2; angle represents a tilt of the [001] out of the specimen surface.

Grain-oriented electrical steel sheet with excellent magnetic characteristics

An object of the present invention is to develop a protecting group, which can prevent solidification or insolubilization of a compound by protecting a functional group to achieve easy separation and purification after a reaction. A diphenylmethane compound represented by general formula (1):  

Diphenylmethane protective agent

A grain oriented electrical steel sheet includes: a base steel sheet; a glass film which is arranged in contact with the base steel sheet; and an insulation coating which is arranged in contact with the glass film and which includes a phosphate and a colloidal silica as main components. The base steel sheet includes the predetermined chemical composition. A BN whose average particle size is 50 to 300 nm is included at a predetermined number density in a region which is from an interface between the glass film and the insulation coating till 5 &#x3bc;m toward the base steel sheet in a depth direction. A B emission intensity obtained inside the glass film is more than a B emission intensity obtained inside the base steel sheet, when a B emission intensity is measured from a surface of the insulation coating by a glow discharge emission spectroscopy.

A grain oriented electrical steel sheet includes: a base steel sheet; a lower layer which is arranged in contact with the base steel sheet; and an insulation coating which is arranged in contact with the lower layer and which includes a phosphate and a colloidal silica as main components. The base steel sheet includes the predetermined chemical composition and includes a B compound whose major axis length is 1 to 20 &#x3bc;m and whose number density is 1&#xd7;10 to 1&#xd7;10pieces/mm. The lower layer is a glass film which includes a forsterite as main component or an intermediate layer includes a silicon oxide as main component.

A semiconductor module includes: an upper arm module including a semiconductor chip; and a lower arm module including a semiconductor chip. The lower arm module is provided with: a facing section in which a lead frame and a lead frame each having a strip shape are disposed such that a main surface of the lead frame and a main surface of the lead frame face each other; and a non-facing section in which the lead frame and the lead frame are disposed such that the main surface of the lead frame and the main surface of the lead frame do not face each other.

Semiconductor module and power conversion device

The invention is to develop a protecting group that does not solidify or insolubilize a compound in which a functional group has been protected, and facilitates separation and purification after a reaction. Disclosed is a trityl compound represented by General Formula (1): wherein Y represents a hydroxy group or a halogen atom; at least one of Rto Rrepresents a group represented by Formula (2):&#x2014;O&#x2014;R&#x2014;X-A&#x2003;&#x2003;(2)while the other groups each represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms; wherein R, R, and R, which may be identical or different, each represent a linear or branched alkyl group having 1 to 6 carbon atoms, or an aryl group which may have a substituent.

Trityl protecting agent

Growing community of inventors

Tokyo, Japan

Shinya Yano