Patents Examined by Peter L. Vajda
  • Patent number: 11906899
    Abstract: Disclosed is a mask defect repair apparatus that is capable of performing defect repair with high accuracy without exposure of a mask to air while being moved between the mask defect repair apparatus and an inspection device. The mask defect repair apparatus emits charged particle beams with an amount of irradiation therewith which is corrected by a correction unit while supplying gas to a defect of the mask, thereby forming a deposition film.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: February 20, 2024
    Assignee: HITACHI HIGH-TECH SCIENCE CORPORATION
    Inventors: Yoshitomo Nakagawa, Mitsuto Aso, Katsumi Suzuki, Mamoru Okabe, Masakatsu Hasuda
  • Patent number: 11906928
    Abstract: An electrostatic charge image developing toner includes: a toner particle containing a binder resin; and an external additive containing alumina particles having a volume average particle diameter of more than 5 nm and 80 nm or less and silica particles having a volume average particle diameter of 10 nm or more and 90 nm or less, and in the toner particle, a Net intensity NA of a total of an alkali metal element and an alkaline earth metal element, measured by fluorescence X-ray analysis, is 0.10 kcps or more and 1.30 kcps or less, and a ratio (Ws/Wa) of a content Ws of the silica particles to a content Wa of the alumina particles is more than 0.5 and less than 35.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: February 20, 2024
    Assignee: FUJIFILM BUSINESS INNOVATION CORP.
    Inventors: Shintaro Anno, Yoshimasa Fujihara, Atsushi Sugawara, Daisuke Noguchi, Satoshi Miura
  • Patent number: 11899397
    Abstract: The peak top molecular weight of the tetrahydrofuran-soluble component of the toner, as measured by gel permeation chromatography, is 4,000 or more and 6,500 or less. The tetrahydrofuran-insoluble component of the toner is 10% by weight or more and 30% by weight or less. When the endothermic peak temperature T1 in the heating process and the exothermic peak temperature T2 during the cooling process originating from the ester wax is measured using a differential scanning calorimeter, the value T1-T2 is 15° C. or more and 30° C. or less.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: February 13, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Osamu Wada, Yoritaka Tsubaki
  • Patent number: 11899396
    Abstract: The invention relates to a toner for development of electrostatic images excellent in fusing property on polypropylene films and excellent in rubfastness of printed images, and a resin composition for a toner for development of electrostatic images.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: February 13, 2024
    Assignee: KAO CORPORATION
    Inventors: Yuka Amaha, Yuki Wakabayashi, Shogo Watanabe
  • Patent number: 11899357
    Abstract: A mask for use in a semiconductor lithography process includes a substrate, a mask pattern disposed on the substrate, and a light absorbing border surrounding the mask pattern. The light absorbing border is inset from at least two edges of the substrate to define a peripheral region outside of the light absorbing border. In some designs, a first peripheral region extends from an outer perimeter of the light absorbing border to a first edge of the substrate, and a second peripheral region that extends from the outer perimeter of the light absorbing border to a second edge of the substrate, where the first edge of the substrate and the second edge of the substrate are on opposite sides of the mask pattern.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: February 13, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chien-Cheng Chen, Huan-Ling Lee, Ta-Cheng Lien, Chia-Jen Chen, Hsin-Chang Lee
  • Patent number: 11899395
    Abstract: A toner comprising a toner particle, wherein the toner particle includes a toner base particle containing a binder resin and includes a protruded portion on a surface of the toner base particle; the protruded portion comprises an organosilicon polymer and a polyhydric acid metal salt; and the polyhydric acid metal salt is present on a surface of the protruded portion.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: February 13, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenta Kamikura, Takashi Kenmoku, Noritaka Toyoizumi, Akane Masumoto, Yuzo Seino, Yu Yoshida
  • Patent number: 11899358
    Abstract: The invention relates to a method for measuring a photomask for semiconductor lithography, including the following steps: recording an aerial image of at least one region of the photomask, defining at least one region of interest, ascertaining structure edges in at least one region of interest, providing desired structures to be produced by the photomask, adapting the ascertained structure edges to the desired structures, and displacing the adapted structure edges by means of the results of a separate registration measurement.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: February 13, 2024
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Dmitry Simakov, Thomas Thaler, Steffen Steinert, Dirk Beyer, Ute Buttgereit
  • Patent number: 11892800
    Abstract: A method for producing a toner for electrostatic charge image development includes: aggregating binder resin particles in a dispersion containing the binder resin particles to form aggregated particles; terminating growth of the aggregated particles by adding an alkaline aqueous solution to a dispersion containing the aggregated particles to increase a pH of the dispersion containing the aggregated particles; and fusing and coalescing the aggregated particles into toner particles by heating the dispersion containing the aggregated particles. Terminating the growth of the aggregated particles includes, while stirring the dispersion containing the aggregated particles, stepwise or continuously reducing a stirring power per unit volume.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: February 6, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yoshimasa Fujihara, Daisuke Noguchi, Kazuhiko Nakamura, Hiroshi Nakazawa, Yuji Isshiki
  • Patent number: 11886144
    Abstract: Provided are a binder resin composition for toner excellent in low-temperature fusing property, storage stability and durability, a toner for developing electrostatic images that contains the binder resin composition for toner, and a method for producing the binder resin composition for toner. The binder resin composition for toner contains a resin composition (C-P) prepared by condensing an acid group-having crystalline resin (C) and a polyalkyleneimine, and an amorphous resin (A).
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: January 30, 2024
    Assignee: KAO CORPORATION
    Inventors: Motomu Shibata, Shoichi Murata
  • Patent number: 11886145
    Abstract: Provided is an electrostatic charge image developing toner including toner matrix particles containing at least a binder resin, wherein a photosensitizer having a singlet oxygen generating ability is contained inside the toner matrix particles or in an external additive attached to the toner matrix particles.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: January 30, 2024
    Assignee: KONICA MINOLTA, INC.
    Inventor: Akihiko Itami
  • Patent number: 11880163
    Abstract: A toner includes toner particles. The toner particles each include a toner mother particle and an external additive attached to the surface of the toner mother particle. The external additive includes specific external additive particles. The specific external additive particles have a number average primary particle diameter of at least 30 nm and no greater than 305 nm. The specific external additive particles include antimony-doped tin oxide particles or indium tin oxide particles. A ratio (MSb/(MSn+MSb)) of a mass (MSb) of an antimony atom to a total of the mass (MSb) of the antimony atom and a mass (MSn) of a tin atom in the antimony-doped tin oxide particles is at least 0.04 and no greater than 0.46.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: January 23, 2024
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Ryota Kobayashi, Naruo Yabe, Takeshi Arakawa, Takeo Mizobe, Masanori Sugahara
  • Patent number: 11874630
    Abstract: A pale-color toner includes toner particles. The toner particles each include a toner mother particle and an external additive attached to a surface of the toner mother particle. The external additive includes specific external additive particles. The specific external additive particles have a number average primary particle diameter of at least 30 nm and no greater than 305 nm. The specific external additive particles include antimony-doped tin oxide particles. A ratio (MSb/(MSn+MSb)) of a mass (MSb) of an antimony atom to a total of the mass (MSb) of the antimony atom and a mass (MSn) of a tin atom in the antimony-doped tin oxide particles is at least 0.04 and no greater than 0.31.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: January 16, 2024
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Ryota Kobayashi
  • Patent number: 11860533
    Abstract: Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate, a multilayer stack of reflective layers on the substrate, a capping layer on the multilayer stack of reflecting layers, and an absorber on the capping layer. The absorber comprises a first layer selected from the group consisting of Mo, Nb, V, alloys of Mo, Nb and V, oxides of Mo, oxides of Nb, oxides of V, nitrides of Mo, nitrides of Nb and nitrides of V and a second layer selected from the group consisting of TaSb, CSb, SbN, TaNi, TaCu and TaRu.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: January 2, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Shuwei Liu, Shiyu Liu, Azeddine Zerrade, Vibhu Jindal
  • Patent number: 11860570
    Abstract: A toner set includes a plurality of toners, wherein the toner set includes a first toner containing a yellow colorant and a second toner containing a cyan colorant, the first toner and the second toner each contain a binder resin containing a vinyl-based resin and a crystalline resin, and a release agent containing a hydrocarbon wax, a content of the vinyl-based resin with respect to a total mass of the binder resin is 50% by mass or more, the first toner contains the crystalline resin having a moiety having a crystal structure and a crystal nucleating agent moiety having a crystal nucleating agent, and the second toner contains the cyan colorant that is a compound represented by general formula (1).
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: January 2, 2024
    Assignee: KONICA MINOLTA, INC.
    Inventors: Hiroshi Nagasawa, Yusuke Takigaura, Takaki Kawamura, Ami Motohashi, Natsuki Ito, Shiro Hirano
  • Patent number: 11853004
    Abstract: An electrophotographic photoconductor includes: a conductive substrate; and a single-layer-type photoconductive layer that is provided on the conductive substrate, contains a binder resin, a charge generating material, a hole transporting material, and an electron transporting material, and has an index A represented by the following equation (1) in a range of ?7.98 or more and ?7.28 or less, Equation (1): A=(0.057×M)?(0.002×F)?(0.252×?), in which, in the equation (1), M represents a Martens hardness of the single-layer-type photoconductive layer, F represents a Young's modulus of the single-layer-type photoconductive layer, and ? represents an elastic deformation ratio of the single-layer-type photoconductive layer.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: December 26, 2023
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yukimi Kawabata, Keisuke Kusano, Hideya Katsuhara, Natsumi Kaneko
  • Patent number: 11841615
    Abstract: A mask includes a first light-transmitting portion. The first light-transmitting portion includes a target region and at least one compensation region connected to the target region. A planar pattern of the target region includes a plurality of corners, and a planar pattern of each compensation region extends from one of the plurality of corners. An area of the planar pattern of each compensation region is less than an area of the planar pattern of the target region.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: December 12, 2023
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shouqiang Zhang, Wenlin Mei, Zhuo Xu, Pengcheng Fu, Zhifu Dong
  • Patent number: 11841680
    Abstract: A toner comprising: a toner particle containing a resin component and a wax; and an inorganic fine particle on the surface of the toner particle, wherein, in a cross section of the toner particle, domains containing the wax are observed, and when among the domains, domains having a major diameter of 10-300 nm are defined as domains S, an occupation area percentage of which a ratio of a total sum of areas occupied by the domains S in a region from a surface of the toner particle to a depth of 600 nm in the cross section with respect to an area of the region, is 3.0-15.0%, and wherein the inorganic fine particle contains a fine particle A having a volume resistivity of 1.0×103 to 3.0×105 ?·cm, and having a relative permittivity ?r of 100 or more.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: December 12, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takaaki Furui, Atsuhiko Ohmori, Yasuhiro Hashimoto
  • Patent number: 11841677
    Abstract: An electrophotographic photosensitive member including a support, an intermediate layer, and a photosensitive layer in this order, wherein the intermediate layer comprises a tungsten oxide particle, and the tungsten oxide particle contains a tungsten atom, an oxygen atom, and a cesium atom.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: December 12, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taichi Sato, Atsushi Fujii, Hisato Yabuta
  • Patent number: 11841679
    Abstract: A cyan toner is provided. The cyan toner comprises toner particles each comprising a binder resin and a colorant. From 1.0% to 20.0% by number of the toner particles have a CH rate of 7.0% or more in absolute value. The CH rate is calculated from the following formula (1): CH rate (%)=[(In?Iave)/Iave]×100??Formula (1) where, in a Raman spectrum of each toner particle, In represents an integrated intensity within a wavenumber region of from 2,600 to 3,180 cm?1 when an intensity at a wavenumber ? within a wavenumber region of from 2,600 to 2,800 cm?1 is s normalized to 1, where a total intensity of all the toner particles is maximum at the wavenumber ?; and Iave represents an average of the In.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: December 12, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiyori Fujino, Keisuke Tada, Shoki Matsuda, Fumihiko Chimoto, Ayumi Satoh
  • Patent number: 11841681
    Abstract: A toner comprising a toner particle and an external additive, wherein the external additive comprises a composite particle comprising an organosilicon polymer fine particle covering a surface of an alumina particle, a coverage ratio of the surface of the alumina particle with the organosilicon polymer fine particle is 1 to 50 area %, and given A (nm) as a number-average particle diameter of primary particles of the organosilicon polymer fine particle and B (nm) as a number-average particle diameter of primary particles of the alumina particle, following formulae (I) and (II) are satisfied: A?90??(I) 100?B?1000??(II).
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: December 12, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Taiji Katsura, Hidekazu Fumita, Kentaro Yamawaki, Sara Yoshida, Yusuke Kosaki, Takayoshi Ootsuka