2001 patents
Page 7 of 101
Utility
Chemically Amplified Positive Resist Composition and Resist Pattern Forming Process
26 Oct 23
A chemically amplified positive resist composition is provided comprising (A) an acid diffusion-controlling agent in the form of an onium salt compound having a specific phenoxide anion, (B) a polymer comprising specific repeat units and adapted to be decomposed under the action of acid to increase its solubility in alkaline developer, and (C) a photoacid generator.
Masaaki Kotake, Satoshi Watanabe, Keiichi Masunaga, Masahiro Fukushima, Kenji Funatsu, Yuta Matsuzawa
Filed: 20 Apr 23
Utility
Manufacturing method of porous glass base material for optical fiber
24 Oct 23
A manufacturing method of a porous glass base material for optical fiber includes: supplying an organic siloxane raw material supplied from a raw material tank is fed to a vaporizer; mixing and vaporizing the raw material and carrier gas in the vaporizer; and externally depositing SiO2 fine particles through combustion reaction by supplying the mixed gas of raw the material and the carrier gas to the burner in the manufacturing apparatus of porous glass base material for optical fiber.
Naoto Noda
Filed: 2 Mar 21
Utility
Process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate, and intermediates therefor
24 Oct 23
Akihiro Baba, Takeshi Kinsho
Filed: 7 Jul 21
Utility
Pellicle frame, pellicle, and method for peeling pellicle
24 Oct 23
The present invention is to provide a pellicle frame in a frame shape having an upper end face on which a pellicle film is to be arranged and a lower end face to face a photomask, which is characterized by being provided with a notched part from the outer side face toward inner side face of the lower end face; a pellicle including the pellicle frame as an element; and a method for peeling a pellicle from a photomask onto which the pellicle has been attached, which is characterized by inserting a peeling jig into a notched part from a side face of a pellicle frame, and moving the peeling jig in an upper end face direction of the pellicle frame in this state to peel off the pellicle from the photomask.
Yu Yanase
Filed: 20 Sep 22
Utility
Rare earth sintered magnet
24 Oct 23
Provided is a rare earth sintered magnet in which a multi-layer main phase particle having multiple layers including a layer 1 having R2 concentration, represented by at %, higher than that of a center of the particle, a layer 2 which is formed on the outside of the layer 1 and has R2 concentration lower than that of the layer 1, and a layer 3 which is formed on the outside of the layer 2 and has R2 concentration higher than that of the layer 2 is present at least in a portion in the vicinity of a surface of the main phase particle within at least 500 μm from a surface of the sintered magnet body.
Tetsuya Ohashi, Hiroki Iida, Koichi Hirota, Hajime Nakamura, Mikio Yoshida, Kazuya Fukui, Michihiro Oida
Filed: 3 Oct 19
Utility
Composite substrate, surface acoustic wave device, and method for manufacturing composite substrate
24 Oct 23
There are provided a method for manufacturing a substrate excellent in heat dissipation with a small loss in radio frequencies with no need of a high temperature process in which a metal impurity is diffused, and a substrate of high thermal conductivity.
Shoji Akiyama, Masayuki Tanno
Filed: 10 Oct 17
Utility
Phenol Compound, Conductive Paste Composition, Method for Producing Conductive Paste Composition, Conductive Wire, and Method for Producing Conductive Wire
19 Oct 23
Koji HASEGAWA, Shiori NONAKA, Osamu WATANABE
Filed: 14 Oct 21
Utility
Reflective Photomask Blank, Method for Manufacturing Reflective Photomask, and Reflective Photomask
19 Oct 23
A reflective photomask blank includes a substrate, a multilayer reflection film that is formed on the substrate and reflects exposure light being light in extreme ultraviolet range, a protection film that is formed on the multilayer reflection film to protect the multilayer reflection film, a light-absorbing film that is formed on the protection film and absorbs the exposure light, and a hard mask film that is formed on and in contact with the light-absorbing film and functions as a hard mask in pattering the light-absorbing film by dry etching.
Keisuke SAKURAI, Shohei MIMURA, Takeshi ISHII
Filed: 23 Mar 23
Utility
Thermosetting Iodine- and Silicon-containing Material, Composition Containing the Material for Forming Resist Underlayer Film for Euv Lithography, and Patterning Process
19 Oct 23
Tsutomu OGIHARA, Tsukasa WATANABE, Yusuke BIYAJIMA, Masahiro KANAYAMA, Ryo MITSUI
Filed: 23 Jun 23
Utility
Paramagnetic Garnet-based Transparent Ceramic and Method for Producing Same
19 Oct 23
Keita Tanaka, Masanori Ikari, Takuto Matsumoto
Filed: 18 Aug 21
Utility
Bio-electrode composition, bio-electrode, and method for manufacturing bio-electrode
17 Oct 23
The present invention provides a bio-electrode composition comprising a polymer compound having a repeating unit A that contains silver salt of fluorosulfonic acid, silver salt of fluorosulfonimide, or silver salt of fluorosulfonamide.
Jun Hatakeyama, Osamu Watanabe, Motoaki Iwabuchi, Shiori Nonaka, Koji Hasegawa
Filed: 11 Feb 19
Utility
Manufacturing method for glass particulate deposit and burner
17 Oct 23
Provided is a glass particulate deposit manufacturing method for manufacturing a glass particulate deposit comprising mounting a fixing jig on an outer periphery of an outermost pipe of a burner; inserting a burner cover from a tip end of the outermost pipe of the burner; and sandwiching and compressing a part of the fixing jig between the burner cover and the outermost pipe of the burner to fix the burner cover to the burner, wherein an outer diameter of a part of the fixing jig that is not compressed is greater than an inner diameter of a part of the burner cover inserted to the tip end of the outermost pipe of the burner.
Ryo Mitta
Filed: 2 Sep 20
Utility
Sintering method of porous glass base material for optical fiber
17 Oct 23
A sintering apparatus comprising: a furnace core tube containing a porous glass base material for optical fiber whose longitudinal direction is along the axial direction; and a multi-stage heater in which two or more heaters surround the furnace core tube and are arranged in the axial direction of the furnace core tube to form a heating area in the furnace core tube, is used.
Yusuke Kashiwagi
Filed: 21 Jan 22
Utility
Diterminally silanol-modified perfluoropolyether compound and preparation thereof
17 Oct 23
Masato Kawakami
Filed: 30 Jul 21
Utility
Rare earth permanent magnets and their preparation
17 Oct 23
A sintered magnet body (RaT1bMcBd) coated with a powder mixture of an intermetallic compound (R1iM1j, R1xT2yM1z, R1iM1jHk), alloy (M1dM2e) or metal (M1) powder and a rare earth (R2) oxide is diffusion treated.
Hiroaki Nagata, Tadao Nomura, Takehisa Minowa
Filed: 26 Feb 20
Utility
Method of manufacturing reflective mask blank, and reflective mask blank
17 Oct 23
A reflective mask blank including a substrate, a multilayer reflection film consisting of at least two first layers and at least two second layers that are laminated alternatively and having different optical properties each other, and an absorber film are manufactured by a sputtering method.
Yukio Inazuki, Takuro Kosaka, Tsuneo Terasawa
Filed: 22 Feb 21
Utility
Hydraulic Composition
12 Oct 23
In a hydraulic composition for additive manufacturing which includes (A) at least one water-soluble hydroxyalkyl alkyl cellulose selected from hydroxypropyl methyl cellulose and hydroxyethyl methyl cellulose, (B) a defoamer, (C) cement, (D) water, (E) polyvinyl alcohol and (F) borax, the water-soluble hydroxyalkyl alkyl cellulose has an alkoxy group degree of substitution of from 1.6 to 2.0 and a 2 wt % aqueous-solution viscosity at 20° C. of from 50 to 1,000 mPa·s, the polyvinyl alcohol has a degree of saponification of from 70 to 90 mol % and a 4 wt % aqueous-solution viscosity at 20° C. of from 20 to 80 mPa·s, and the water is added in an amount of from 25 to 70 parts by weight per 100 parts by weight of the cement.
Hidekazu KONISHI
Filed: 20 Mar 23
Utility
Hydraulic Composition
12 Oct 23
In a hydraulic composition for additive manufacturing which includes (A) at least one water-soluble hydroxyalkyl alkyl cellulose selected from hydroxypropyl methyl cellulose and hydroxyethyl methyl cellulose, (B) a defoamer, (C) cement, (D) water and (E) diutan gum, the water-soluble hydroxyalkyl alkyl cellulose has an alkoxy group degree of substitution of from 1.6 to 2.0 and a 2 wt % aqueous-solution viscosity at 20° C. of from 50 to 1,000 mPa·s and the water is added in an amount of from 25 to 70 parts by weight per 100 parts by weight of the cement.
Hidekazu KONISHI
Filed: 23 Mar 23
Utility
Resist Composition and Pattern Forming Process
12 Oct 23
A resist composition comprising a base polymer comprising repeat units having a salt structure consisting of a sulfonic acid anion bonded to a polymer backbone and a sulfonium cation having an acid labile group of triple bond-bearing tertiary ester type as the acid generator exhibits a high sensitivity and reduced LWR or improved CDU.
Jun Hatakeyama, Masahiro Fukushima
Filed: 31 Jan 23
Utility
Conductive wiring material composition, conductive wiring substrate and method for producing conductive wiring substrate
10 Oct 23
The conductive wiring material composition includes (A) a polymer compound having a repeating unit “a” which has a structure selected from an ammonium salt, a lithium salt, a sodium salt, a potassium salt and a silver salt of any of fluorosulfonic acid, fluorosulfonimide and fluorosulfonamide and (B) metal powder, wherein the component (B) is contained with an amount exceeding 50 parts by mass based on 100 parts by mass of a solid content of the conductive wiring material composition excluding the component (B).
Jun Hatakeyama, Koji Hasegawa, Osamu Watanabe
Filed: 1 Jul 20