Patents Assigned to AGC Inc.
  • Publication number: 20250055201
    Abstract: An electromagnetic wave reflecting device includes a reflection panel configured to reflect radio waves in a desired band selected from a band of frequencies equal to or higher than 1 GHz and equal to or lower than 170 GHz, and a frame that holds the reflection panel. The reflection panel includes: a dielectric layer; a periodic conductive pattern provided on one surface of the dielectric layer; a ground layer provided on the other surface of the dielectric layer; a first intermediate layer covering the conductive pattern; a first dielectric substrate bonded to the conductive pattern by the first intermediate layer; a second intermediate layer covering the ground layer; and a second dielectric substrate bonded to the ground layer by the second intermediate layer.
    Type: Application
    Filed: October 22, 2024
    Publication date: February 13, 2025
    Applicant: AGC Inc.
    Inventor: Kumiko KAMBARA
  • Publication number: 20250052934
    Abstract: An optical filter, includes: a substrate, a dielectric multilayer film 1 laid on or above one major surface of the substrate, and a dielectric multilayer film 2 laid on or above the other major surface of the substrate, in which the substrate includes a near infrared ray absorbing glass and a resin film, the resin film includes a resin and a pigment (NIR1), and the optical filter satisfies all of spectral characteristics (i-1) to (i-3), (i-6) to (i-8), and (i-10) to (i-13).
    Type: Application
    Filed: October 25, 2024
    Publication date: February 13, 2025
    Applicant: AGC Inc.
    Inventors: Kazuhiko SHIONO, Takashi NAGATA
  • Publication number: 20250052935
    Abstract: An optical filter includes: an absorber including an inorganic material including ytterbium; an absorption layer including a dye and a resin, the dye having a maximum absorption wavelength between 350 nm and 1,200 nm; and a dielectric multilayer film. The absorber may have a flat plate shape, and the absorber may have a thickness of 3 mm or less.
    Type: Application
    Filed: October 22, 2024
    Publication date: February 13, 2025
    Applicant: AGC Inc.
    Inventors: Motoshi NAKAYAMA, Takahiro SAKAGAMI, Takashi NAGATA, Kazuhiko SHIONO
  • Publication number: 20250057048
    Abstract: The present invention relates to a piezoelectric laminated body including: a substrate; and a laminated film provided on at least one surface of the substrate, in which the laminated film includes an electrode layer, a base layer, and a piezoelectric thin film in this order from a substrate side, the base layer and the piezoelectric thin film are in contact with each other, the base layer contains zirconium nitride, and the piezoelectric thin film has a hexagonal wurtzite structure oriented in a c-axis direction.
    Type: Application
    Filed: October 29, 2024
    Publication date: February 13, 2025
    Applicant: AGC Inc.
    Inventors: Kenichi UMEDA, Akiyo NOGAMI, Masafumi AKITA
  • Patent number: 12222640
    Abstract: A reflective mask blank containing a substrate, a multilayer reflective film that reflects EUV light, and a phase shift film that shifts a phase of the EUV light, the substrate, the multilayer reflective film, and the phase shift film being arranged in this order. The phase shift film contains a compound containing Ru and Cr, an element ratio between Cr and Ru (Cr:Ru) in the phase shift film is 5:95 to 42:58, and a melting point MP1 of an oxide of the compound and a melting point MP2 of a fluoride or an oxyfluoride of the compound satisfy the following relation (1): 0.625MP1+MP2?1000??(1).
    Type: Grant
    Filed: October 20, 2023
    Date of Patent: February 11, 2025
    Assignee: AGC Inc.
    Inventors: Shunya Taki, Hiroaki Iwaoka, Daijiro Akagi, Ichiro Ishikawa
  • Patent number: 12222222
    Abstract: A sensor cover, provided in an opening of a housing that houses a sensor, includes a conductor; a dielectric multilayer film; and a heating film, in a desired order from an outside of the housing toward an inside of the housing. The conductor and the heating film are insulated from each other. A shortest distance between the conductor and the heating film is 2.0 ?m or more.
    Type: Grant
    Filed: April 3, 2024
    Date of Patent: February 11, 2025
    Assignee: AGC Inc.
    Inventors: Kazuya Takemoto, Atsushi Koyanagi, Naoto Tatsuoka
  • Patent number: 12222532
    Abstract: An optical element includes a three-dimensional structure having a curved surface; and a retardation plate bent along the curved surface. The retardation plate includes a transparent substrate and a liquid crystal layer formed over the transparent substrate. The retardation plate has a slow axis and a fast axis. A glass-transition temperature, Tgne, in a slow axis direction of the retardation plate is higher than a glass-transition temperature, Tgno, in a fast axis direction of the retardation plate.
    Type: Grant
    Filed: May 24, 2024
    Date of Patent: February 11, 2025
    Assignee: AGC Inc.
    Inventors: Kenta Sekikawa, Hiromichi Nagayama, So Ishido
  • Publication number: 20250044489
    Abstract: The present invention pertains to an optical filter including: a light-absorbing material Y900-1000 having a maximum absorption wavelength in a wavelength region of 900 nm to 1,000 nm, and a dielectric multilayer film, in which the optical filter satisfies all of spectral characteristics (i-1) to (i-6), and the optical filter may satisfy spectral characteristic (i-7).
    Type: Application
    Filed: October 22, 2024
    Publication date: February 6, 2025
    Applicant: AGC Inc.
    Inventors: Motoshi NAKAYAMA, Takahiro SAKAGAMI, Takashi NAGATA, Kazuhiko SHIONO
  • Publication number: 20250043102
    Abstract: Provided are: a liquid composition containing a thermosetting resin and silica particles, the silica particles (1) having a specific water vapor adsorption amount and a specific moisture retention variation, (2) having a specific charge amount and a specific d50, and (3) having a specific powder friction angle, a specific d50, and a specific aggregation state; a prepreg, a metal substrate with a resin, and a wiring board using the liquid composition; and silica particles used in the liquid composition.
    Type: Application
    Filed: October 23, 2024
    Publication date: February 6, 2025
    Applicants: AGC INC., AGC SI-TECH CO., LTD.
    Inventor: Hiromichi KAMO
  • Publication number: 20250044490
    Abstract: An optical filter includes: a light-absorbing material X800S having a maximum absorption wavelength in a wavelength region shorter than 800 nm; a light-absorbing material Y850L having a maximum absorption wavelength in a wavelength region longer than 850 nm; and a dielectric multilayer film, in which the optical filter satisfies spectral characteristics (i-1) to (i-5).
    Type: Application
    Filed: October 22, 2024
    Publication date: February 6, 2025
    Applicant: AGC Inc.
    Inventors: Motoshi NAKAYAMA, Takahiro SAKAGAMI, Takashi NAGATA, Kazuhiko SHIONO
  • Publication number: 20250043050
    Abstract: A curable polymer containing one or more type(s) of structural units (UX) represented by the following formula and which is for production of a prepreg, a metal clad laminate or a wiring board: in which X is a single bond or an oxygen atom; the benzene ring optionally has a substituent other than the substituent in the above formula; and n is an integer of 0 or more.
    Type: Application
    Filed: October 10, 2024
    Publication date: February 6, 2025
    Applicant: AGC Inc.
    Inventors: Kazumi HASHIMOTO, Tsukasa USUDA, Yusuke YASU, Takafumi IGARASHI
  • Publication number: 20250043043
    Abstract: A curable polymer comprising one or more type(s) of structural units (UX) represented by the following formula and one or more type(s) of other structural units other than the structural units (UX) and a curable polymer comprising only one or more type(s) of structural units (UX) represented by the following formula as structural units, and which is for production of a prepreg, a metal clad laminate or a wiring board. in which R1 and R2 each independently represent a hydrogen atom, a hydroxyl group or an organic group; the benzene ring optionally has a substituent other than the substituent in the above formula; and n is an integer of 0 or more.
    Type: Application
    Filed: October 17, 2024
    Publication date: February 6, 2025
    Applicant: AGC Inc.
    Inventors: Kazumi HASHIMOTO, Tsukasa USUDA, Yoshitaka NOMURA, Asuka MATSUNAMI
  • Publication number: 20250042802
    Abstract: The present invention relates to a photosensitive glass, having a ?-OH value of 0.20/mm or less. The present invention also relates to the photosensitive glass, having a difference between a crystal precipitation temperature after an exposure and a crystal precipitation temperature before the exposure of 10° C. or more, the exposure being performed so that a cumulative amount of a light having a wavelength of 280 nm to 360 nm is 2 J/cm2 or more.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 6, 2025
    Applicant: AGC Inc.
    Inventors: Nobuo INUZUKA, Daichi SHIRAI
  • Publication number: 20250042808
    Abstract: A glass plate includes a first principal surface and a second principal surface facing away from the first principal surface, wherein the first principal surface includes an anti-glare surface, and the anti-glare surface includes a plurality of curvingly-recessed surfaces each of which has a spoon-cut shape.
    Type: Application
    Filed: October 18, 2024
    Publication date: February 6, 2025
    Applicant: AGC Inc.
    Inventors: Yuki AKAMA, Masanobu ISSHIKI, Yusuke MORI
  • Publication number: 20250041491
    Abstract: A medical device where the non-specific absorption amount is reduced, durability is excellent, and eluents from the surface layer are reduced. The medical device includes a device substrate and a surface layer provided on at least part of the surface of the device substrate in contact with water, where the part of the surface of the device substrate is made of an inorganic material, the surface layer is made of a cured product of a compound having a biocompatible group and an alkoxysilyl group, the content of the biocompatible group in the compound is from 25 to 83% by mass, and the content of the alkoxysilyl group is from 2 to 70% by mass.
    Type: Application
    Filed: October 1, 2024
    Publication date: February 6, 2025
    Applicant: AGC Inc.
    Inventors: Ryohei KOGUCHI, Hajime EGUCHI, Kyoko YAMAMOTO
  • Patent number: 12218405
    Abstract: To provide an antenna set capable of forming a communication area which achieves a relatively high throughput. An antenna set comprising a group of antenna units transmitting streams by distributed MIMO, wherein the group of antenna units has a first antenna unit facing a window glass attached to a building, and a second antenna unit disposed at a distance from the first antenna unit.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: February 4, 2025
    Assignee: AGC Inc.
    Inventors: Yoshiyuki Ikuma, Ryuta Sonoda, Yasushi Higashida, Tetsuya Hiramatsu, Kentaro Oka
  • Patent number: 12215182
    Abstract: Provided are a urethane prepolymer from which is obtained an adhesive which has excellent moisture permeability and which attains both low adhesion to skin and high adhesion to a base material, an adhesive, a skin patch material, an adhesive tape, a wearable device, and a wearable device kit. The urethane prepolymer is a hydroxyl-group-terminated urethane prepolymer obtained by reacting an oxyalkylene polymer A having an average number of hydroxyl groups per molecule of 2.1 to 3, an oxyalkylene polymer B in which the number of hydroxyl groups per molecule is 1, and a diisocyanate compound, the number-average molecular weight of the oxyalkylene polymer B being 5000 or greater, and the content of ethylene oxide units in the hydroxyl-group-terminated urethane prepolymer being more than 10 mass %.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: February 4, 2025
    Assignee: AGC Inc.
    Inventors: Makito Nakamura, Haru Kawasaki, Hitoshi Shimoma, Chitoshi Suzuki, Hiroshi Wada
  • Patent number: 12216397
    Abstract: A reflective mask blank for EUV lithography includes: a substrate; a multilayer reflective film for reflecting EUV light; and a phase shift film for shifting a phase of EUV light, the multilayer reflective film and the phase shift film formed on or above the substrate in this order. The phase shift film includes a layer 1 including ruthenium (Ru) and at least one selected from the group consisting of oxygen (O) and nitrogen (N). Among diffraction peaks derived from the phase shift film observed at 2?: from 20° to 50° by out-of-plane XRD method, a peak having the highest intensity has a half value width FWHM of 1.0° or more.
    Type: Grant
    Filed: October 17, 2023
    Date of Patent: February 4, 2025
    Assignee: AGC Inc.
    Inventors: Daijiro Akagi, Hirotomo Kawahara, Toshiyuki Uno, Ichiro Ishikawa, Kenichi Sasaki
  • Patent number: 12216398
    Abstract: A reflective mask blank includes a substrate and, on or above the substrate in order, a reflective layer for reflecting EUV light, a protective layer for protecting the reflective layer, and an absorbent layer for absorbing EUV light. The absorbent layer has a reflectance for a wavelength of 13.53 nm of from 2.5% to 10% and consists of a lower absorption layer and an upper absorption layer. A film thickness dbi of the absorbent layer satisfies a relationship of: dbi MAX?(i×6+1) nm?dbi?dbi MAX?(i×6?1) nm where the integer i is 0 or 1, and dbi MAX is represented by: d bi ? MAX ( nm ) = 13.53 2 ? n ? cos ? 6 ? ° { INT ( 0.58 1 - n 1 ) + 1 2 ? ? ? ( tan - 1 ( - k 2 1 - n 2 ) + 0.
    Type: Grant
    Filed: January 19, 2024
    Date of Patent: February 4, 2025
    Assignee: AGC INC.
    Inventors: Hiroyoshi Tanabe, Hiroshi Hanekawa, Toshiyuki Uno
  • Publication number: 20250034428
    Abstract: A compound containing a linear alkyl group having 19 or more carbon atoms or a linear alkylene group having 19 or more carbon atoms, and a reactive silyl group linked to the linear alkyl group having 19 or more carbon atoms or the linear alkylene group having 19 or more carbon atoms, directly or via a polyvalent linking group, a composition and a surface treatment agent including the compound, and an article and a method of producing an article using the surface treatment agent.
    Type: Application
    Filed: September 23, 2024
    Publication date: January 30, 2025
    Applicant: AGC Inc.
    Inventors: Hiroyuki HARA, Koki WATANABE, Motoshi AOYAMA