Hitachi Koki Co., Ltd.

Hitachi, Ltd.

Tokyo Electron Limited

Kabushiki Kaisha Topcon

Asahi Glass Company, Limited

Agc Inc.

Nec Corporation

Synaptics Japan Gk

Synaptics Corporation

National Institute of Advanced Industrial Science and Technology

Other

Kabushiki Kaisha Toshiba

Nippon Hoso' Kyokai

Ricoh Company, Ltd.

Nec Tokin Corporation

Susumu Saito

Akira Arimoto

Takeshi Mochizuki

Keiji Kataoka

Takashi Nose

Hirobumi Furihata

Masao Orio

Akio Sugiyama

Shinya Kobayashi

Kimio Tatsuno

Atsushi Watakabe

Takayuki Inoi

Hiroyuki Kawashima

Tetsuji Shimohira

Hiroyuki Watabe

Takeshi Hirai

Fumio Ohtomo

Akitaka Shimizu

Satoru Hommura

Seiji Maruo

Junshin Sakamoto

Kazuo Abe

Yasuyuki Tsuji

Chishio Koshimizu

Hitoshi Suzuki

Shinya Watanabe

Kenichi Saito

Hiroshi Koizumi

Takashi Takahashi

Masayuki Takada

Toru Tojo

Akio Kobayashi

Tsuyoshi Nakagawa

Ryoichi Hirano

Syuji Nozawa

Katsuya Ueno

Shuho Yokokawa

Eiji Endoh

Norihide Sugiyama

Isao Minegishi

Yuki Osada

Seigo Kotera

Shunichi Oohara

Shinji Wada

Shinichi Nakatsuka

Kunitomo Takahashi

Michiko Nakanishi

Chikaya Tamitsuji

Kunio Sato

Daisuke Jomuta

Akira Hashimoto

Kunihiro Okada

Youji Hirose

Takumi Okuyama

Kenji Morita

Hiroshi Yamamoto

Toshiyuki Tanaka

Taro Ikeda

Hiroyuki Nakayama

Shigeru Kasai

Hitoshi Kida

Hideaki Yamamoto

Yoshito Tsunoda

Koichi Murata

Taiki Hoshino

Shigeo Moriyama

Adam Luke Safir

Masahiro Ojima

Michio Suzuki

Isao Nakajima

Kazuaki Utsumi

Eiichi Maruyama

Masaaki Fujinawa

Shinkichi Horigome

Isamu Terashima

Hisashi Isozaki

Takashi Saeki

Kunio Satou

Masahiro Mizuno

Eiki Kamata

Naoto Ota

Kazuhiro Akatsu

Hiroshi Ueno

Masao Iwaya

Hiroyuki Miyashita

Tomohito Komatsu

Makoto Kurosawa

Gyozo Toda

Masahiro Aoki

Ryoji Oritsuki

Shigenobu Katagiri

Kenji Kataoka

Kenichi Kugai

Hiromi Suzuki

Yoshiaki Mori

Mikio Sato

Yoichiro Iwa

Hiromasa Yamamoto

Shinichi Nishino

Shigeo Kato

To provide a method for producing a polymer, whereby it is possible to obtain a sulfonic acid group-containing polymer having a high TQ value and a high ion exchange capacity. A method for producing a fluorosulfonyl group-containing fluorinated polymer, which comprises polymerizing a monomer represented by the following formula m1 and tetrafluoroethylene, at a temperature of at least 110° C. and at most 250° C.: in the above formula, Rand Rare each a Cperfluoroalkylene group.

Method for producing fluorosulfonyl group-containing fluorinated polymer, method for producing salt-type sulfonic acid group- containing fluorinated polymer and method for producing acid-type sulfonic acid group-containing fluorinated polymer

To provide a liquid composition capable of forming a polymer electrolyte membrane which is excellent in the initial power generation characteristics when made into a membrane electrode assembly, and which is excellent in durability and has few defects. This liquid composition comprises a liquid medium, a sulfonic acid group-containing fluorocarbon polymer and a hardly soluble cerium compound, wherein the ion exchange capacity of the sulfonic acid group-containing fluorocarbon polymer is from 1.36 to 2.50 meq/g dry resin, the average particle size of the hardly soluble cerium compound is from 1 nm to 3,000 nm, and the ratio of the total number of moles of cerium atoms in the hardly soluble cerium compound to the total number of moles of sulfonic acid groups in the sulfonic acid group-containing fluorocarbon polymer is from 0.001 to 0.3.

Liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell

To provide a sulfonic acid group-containing polymer which is capable of forming a low hydrogen permeable membrane, which shows a high ion exchange capacity, and which shows a proper softening temperature. The sulfonic acid group-containing polymer has units u1 represented by the following formula u1, units u2 represented by the following formula u2, and units u3 based on tetrafluoroethylene, in the formula u1, Rand Rare each independently a Cperfluoroalkylene group, and Zis a hydrogen ion, a metal ion, or an ammonium ion,—[CF—CF(CFO—R)]—  Formula u2in the formula u2, Ris a perfluoroalkyl group which may contain a SOZgroup and/or an etheric oxygen atom.

Sulfonic acid group-containing polymer, fluorosulfonyl group-containing polymer, and liquid composition

To provide a membrane electrode assembly which can suppress cracking of the catalyst layers. The membrane electrode assembly of the present invention is a membrane electrode assembly comprising an anode having a catalyst layer containing a proton-conductive polymer, a cathode having a catalyst layer containing a proton-conductive polymer, and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the proton-conductive polymer contained in the catalyst layer of at least one of the anode and the cathode is a polymer (H) having units containing a cyclic ether structure and sulfonic acid-type functional groups, and the polymer electrolyte membrane contains a porous material containing a fluorinated polymer, and a fluorinated polymer (S) having sulfonic acid-type functional groups.

Membrane electrode assembly

The present invention provides a fluoropolymer containing fluorosulfonyl groups capable of forming a polymer electrolyte membrane with high conductivity and hot water resistance, a method for its production, a fluoropolymer containing acid-form sulfonic acid groups and a method for its production, a polymer electrolyte membrane, a membrane-electrode assembly and a polymer electrolyte fuel cell. The method for producing a fluoropolymer containing fluorosulfonyl groups of the present invention comprises copolymerizing a monomer m1 (CF═CFCFO-Q-SOF) and TFE in a reactor at a temperature of from 150 to 200° C. in the presence of a radical polymerization initiator, wherein the radical polymerization initiator is continuously or sequentially added into the reactor so that the concentration of the radical polymerization initiator is kept to at most 2.5 mass ppm of the initial feed of the monomer m1 present in the reactor before initiation of the copolymerization during the copolymerization, and the molar ratio of the total feed of the monomer m1 to the total feed of tetrafluoroethylene is from 1.5 to 20.

Fluorosulfonyl group-containing fluoropolymer and method for producing same, sulfonic acid group-containing fluoropolymer and method for producing same, solid polymer electrolyte membrane, membrane electrode assembly, and solid polymer fuel cell

To provide a method for producing a fluorinated polymer, in which it is possible to efficiently and easily control the molecular weight to be proper when polymerizing a perfluoromonomer having a dioxolane ring containing a polymerizable double bond in the ring skeleton, and in which the obtainable fluorinated polymer is less susceptible to a decrease in molecular weight even when contacted with a base. A method for producing a fluorinated polymer, comprising polymerizing a raw-material mixture which contains at least one of a monomer composition M11 which comprises a perfluoromonomer represented by the formula m11 and a fluorinated monomer m11H having at least some of fluorine atoms of said perfluoromonomer substituted by hydrogen atoms, and a monomer composition M12 which comprises a perfluoromonomer represented by formula m12 and a fluorinated monomer m12H having at least some of fluorine atoms of said perfluoromonomer substituted by hydrogen atoms, wherein the total amount of the fluorinated monomer mil H and the fluorinated monomer m12H is from 10 to 1,100 ppm to the total amount of the monomer composition M11 and the monomer composition M12.

Method for producing fluorinated polymer and method for producing fluorinated ion exchange polymer

To provide a liquid composition capable of forming a membrane excellent in durability against hydrogen peroxide or peroxide radicals and excellent in hydrogen gas barrier property; a polymer electrolyte membrane; a membrane electrode assembly; and a polymer electrolyte fuel cell. Liquid composition comprising a liquid medium, an acid-type sulfonic acid group-containing fluorocarbon polymer of which the hydrogen gas permeation coefficient under the conditions of a temperature of 80° C. and a relative humidity of 10% is at most 2.5×10cm·cm/(s·cm·cmHg), and cerium atoms; a polymer electrolyte membranecomprising the acid-type sulfonic acid group-containing fluorocarbon polymer, and cerium atoms; and a membrane electrode assemblycomprising an anodehaving a catalyst layer, a cathodehaving a catalyst layer, and the polymer electrolyte membranedisposed between the anodeand the cathode

An acid-type sulfonic acid group-containing polymer containing perfluoromonomer units, no monomer units having a halogen atom other than a fluorine atom, and acid type sulfonic acid groups, whose hydrogen gas permeability coefficient under the conditions of a temperature of 80° C. and a relative humidity of 10% is at most 2.5×10cm·cm/(s·cm·cmHg), and whose mass reduction rate when immersed in hot water at 120° C. for 24 hours is at most 15 mass %. Liquid composition, membrane electrode assembly, polymer electrolyte fuel cell, and ion exchange membrane utilizing the acid-type sulfonic acid group-containing polymer.

Acid-type sulfonic acid group-containing polymer, liquid composition, polymer electrolyte membrane, membrane electrode assembly, polymer electrolyte fuel cell and ion exchange membrane for water electrolysis

An inspection apparatus for inspecting a backside irradiation type imaging device formed on an inspection object includes: a stage on which the inspection object is mounted such that the stage faces a rear surface of the backside irradiation type imaging device, wherein the stage includes: a transmitter including a flat plate formed of a light transmitting material, and configured to mount the inspection object on the transmitter; and a light emitter disposed at a location facing the inspection object with the transmitter interposed between the light emitter and the inspection object, and configured to emit light toward the transmitter, and wherein the transmitter transmits the light from the light emitter while diffusing the light.

Inspection apparatus and inspection method

A display driver comprises gamma processing circuitry, compensation circuitry, and driver circuitry. The gamma processing circuitry is configured to process the image data to generate gamma processed image data. The compensation circuitry is configured to process the gamma-processed image data, based on a ratio of a number of display elements that emit light to a total number of display elements of a display panel, to generate compensated image data. The driver circuitry is configured to drive the display panel based on the compensated image data.

Device and method for driving a self-luminous display panel

A display driver comprises: digital gamma circuitry configured to generate a voltage data based on an image data for a pixel of interest; compensating circuitry configured to calculate a total current of the display panel; and correction circuitry. The correction circuitry is configured to correct the voltage data, based on the calculated total current.

Compensation technology for display panel

A plasma probe device includes an antenna unit installed at an opening formed in a wall of a processing chamber or a mounting table through a sealing member configured to seal between a vacuum space and an atmospheric space, an electrode connected to the antenna unit, and a dielectric support portion made of a dielectric material and configured to support the antenna unit from an outer peripheral side. A surface of the antenna unit which is exposed through the opening and separated from a facing surface of the wall or the mounting table facing the antenna unit by a width is depressed from a surface of the wall or the mounting table where the opening is formed, which faces a plasma generation space.

Plasma probe device and plasma processing apparatus

Disclosed is a MIMO system including a transmitter and a receiver, in which an overall BER characteristic is improved. The transmitter () maps data, distributed among transmit antennas, onto an IQ plane to generate carrier symbols, and then, applies an inter-polarization interleave processing in a time direction to the carrier symbols between the transmit antennas, to generate OFDM signals. Receiving the OFDM signals, the receiver () demodulates the OFDM signals to generate complex baseband signals, and after that, applies a first deinterleave processing in a time direction to the complex baseband signals to generate time deinterleaved data. Further, the receiver () applies a MIMO separation processing to the time deinterleaved data to generate a plurality of sets of MIMO separated data and applies a second deinterleave processing between the receive antennas to the plurality of sets of MIMO separated data, so as to generate carrier symbols.

Transmitter, receiver, and semiconductor chip

An image processing apparatus includes: a first circuit which calculates values f(R), f(G) and f(B) by applying a function f(x) to an R grayscale value R, a G grayscale value Gand a B grayscale value Bof each pixel i of a first image; a second circuit which calculates values f(R), f(G) and f(B) by applying the function f(x) to an R grayscale value R, a G grayscale value Gand a B grayscale value Bof each pixel i of a second image; and a similarity calculation circuit which calculates a degree of similarity between the first and second images depending on |f(R)&#x2212;f(R)|, |f(G)&#x2212;f(G)| and |f(B)&#x2212;f(B)| associated with each pixel i of the first and second images. The function f(x) is a convex function monotonically non-decreasing in the domain of definition.

Calculation of degree of similarity between two images

Growing community of inventors

Tokyo, Japan

Susumu Saito