855 patents
Page 3 of 43
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
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
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
Utility
(6Z,9Z)-6,9-dodecadien-1-yne and a process for preparing the same
10 Oct 23
Yuki Miyake, Takeshi Kinsho, Ryo Komatsu
Filed: 12 Apr 22
Utility
Pellicle frame and pellicle
10 Oct 23
The present invention is to provide a pellicle frame characterized by including a metal or alloy having a linear expansion coefficient of 10×10−6 (1/K) or less and further a density of 4.6 g/cm3 or less, and a pellicle characterized by including the pellicle frame as an element.
Yu Yanase
Filed: 22 Jun 22
Utility
Resist composition and patterning process
10 Oct 23
A resist composition comprising a quencher containing a nitroxyl radical having an iodized aliphatic hydrocarbyl group is provided.
Jun Hatakeyama, Masahiro Fukushima
Filed: 2 Aug 21
Utility
Composition for forming organic film, patterning process, and polymer
10 Oct 23
Daisuke Kori, Kenta Ishiwata, Yasuyuki Yamamoto, Toshiharu Yano
Filed: 13 Jul 20
Utility
Photomask blank, and manufacturing method thereof
3 Oct 23
In a photomask blank including a transparent substrate and a first inorganic film containing either or both of a transition metal and silicon, and optional a second inorganic film containing either or both of a transition metal and silicon, when an intensity of secondary ions is measured in the thickness direction of the transparent substrate and the inorganic films by TOF-SIMS with using a primary ion source of Bi and a sputtering ion source of Cs, an intensity of secondary ions containing carbon detected at the interface of the transparent substrate and the inorganic film or the inorganic films is higher than both intensities of the secondary ions containing carbon detected, respectively, at the sides remote from the interface.
Kouhei Sasamoto, Hideo Kaneko
Filed: 22 Jun 21
Utility
Pellicle
3 Oct 23
A pellicle characterized by having an amount of released aqueous gas of 1×10−3 Pa·L/s or less per pellicle, an amount of released hydrocarbon-based gas of 1×10−5 Pa·L/s or less per pellicle in a range of measured mass number of 45 to 100 amu, and an amount of released hydrocarbon-based gas of 4×10−7 Pa·L/s or less per pellicle in a range of measured mass number of 101 to 200 amu, under vacuum after the pellicle has been left to stand for 10 minutes in an atmosphere of 23° C. and 1×10−3 Pa or less.
Yu Yanase
Filed: 20 Jul 22
Utility
Resist composition and patterning process
3 Oct 23
A resist composition comprising an iodized base polymer and an iodized benzene ring-containing quencher has a high sensitivity and improved LWR and CDU.
Jun Hatakeyama, Masaki Ohashi, Masahiro Fukushima, Takayuki Fujiwara, Kazuhiro Katayama
Filed: 17 Dec 19
Utility
Onium salt, chemically amplified negative resist composition, and pattern forming process
3 Oct 23
Naoya Inoue, Satoshi Watanabe, Ryosuke Taniguchi, Masahiro Fukushima
Filed: 27 May 21
Utility
Bismaleimide compound and production method thereof
3 Oct 23
Yuki Kudo, Yoshihiro Tsutsumi
Filed: 22 Jan 21