Patents Assigned to AGC Inc.
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Patent number: 11969857Abstract: A method of producing a glass article includes holding a carrier having a circular shape, in which a glass substrate having a circular shape is retained, with an upper surface plate and a lower surface plate; and polishing the glass substrate by rotating the carrier with respect to the upper surface plate and the lower surface plate, to obtain the glass article. The glass substrate is disposed in the carrier such that, in a top plan view, a center of the carrier is included in a region of the glass substrate, and a center of the glass substrate is shifted from the center of the carrier.Type: GrantFiled: October 19, 2022Date of Patent: April 30, 2024Assignee: AGC INC.Inventors: Toru Momose, Osamu Sato, Hirofumi Yamamoto, Nobuhiko Takeshita
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Publication number: 20240132718Abstract: The present invention relates to a curable composition that includes an oxyalkylene polymer A having an average of 4 to 8 terminal groups per molecule and having a reactive silicon group represented by: —SiXaR3-a (1) (in which R is a monovalent organic group having 1 to 20 carbon atoms and represents an organic group other than a hydrolyzable group, and X represents a halogen atom, a hydroxyl group, or a hydrolyzable group; a is an integer from 1 to 3; when a is 2 or more, X groups may be the same as or different from each other, and when a is 1, R groups may be the same as or different from each other), wherein the terminal group has the reactive silicon group, an unsaturated group, an isocyanate group or an active hydrogen-containing group, and the oxyalkylene polymer A has a hydroxyl group equivalent molecular weight of 500 to 1,750 per terminal group.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Applicant: AGC Inc.Inventors: Kazuma KONNO, Takashi ITO, Daisuke KAKU, Yoshitaka SUNAYAMA
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Publication number: 20240134267Abstract: A reflective mask blank includes: a substrate; a Mo/Si multilayer reflection layer formed by alternately laminating a molybdenum (Mo) layer and a silicon (Si) layer on or above the substrate; an intermediate layer on or above the Mo/Si multilayer reflection layer; a barrier layer on or above the intermediate layer; a protective layer on or above the barrier layer; and an absorption layer on or above the protective layer.Type: ApplicationFiled: January 4, 2024Publication date: April 25, 2024Applicant: AGC Inc.Inventors: Wataru NISHIDA, Masaru HORI, Takayoshi TSUTSUMI
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Publication number: 20240137075Abstract: A reflect array that sets a reflection angle of a radio wave to an angle that is different from an angle of specular reflection. The reflect array includes a plurality of cells arranged in an array. Each of the plurality of cells includes at least two main resonant elements and a parasitic resonant element coupled to the at least two main resonant elements. The parasitic resonant element is configured to adjust a resonant frequency of the parasitic resonant element and adjust a reflection phase of a surface of the reflect array by adjusting a resonant frequency of the at least two main resonant elements each adjacent to the parasitic resonant element, to which the parasitic resonant element is coupled.Type: ApplicationFiled: January 2, 2024Publication date: April 25, 2024Applicant: AGC Inc.Inventors: Akira KUMAGAI, Kotaro ENOMOTO, Osamu KAGAYA, Yutaka UI
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Patent number: 11967768Abstract: A slot array antenna includes a dielectric layer, a power feeding unit, a first coplanar waveguide formed in a conductor layer provided on one surface of the dielectric layer, and a second coplanar waveguide formed in the conductor layer, wherein each of the first coplanar waveguide and the second coplanar waveguide includes a first end part connected to a point to which the power feeding unit is connected or situated in proximity and at least one second end part connected to at least one slot formed in the conductor layer.Type: GrantFiled: October 6, 2020Date of Patent: April 23, 2024Assignee: AGC INC.Inventors: Qiang Chen, Osamu Kagaya, Toshiki Sayama, Takeshi Motegi
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Patent number: 11964904Abstract: To provide a glass substrate with an antireflection film, which employs glass having high refractive index and which has excellent strength, and an optical member comprising it. A glass substrate with an antireflection film, comprising a glass substrate which consists of glass having refractive index (nd) of from 1.68 to 2.00 and which has plate thickness of from 0.01 to 2 mm, and an antireflection film formed on at least one principal plane of the glass substrate.Type: GrantFiled: July 15, 2020Date of Patent: April 23, 2024Assignee: AGC INC.Inventors: Yasuhiko Akao, Teruo Fujiwara
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Patent number: 11967792Abstract: A coaxial connector includes a base surface; a coaxial structure where a dielectric is between a central conductor and an outer conductor; and a protrusion protruding from the base surface. The central conductor includes a contact portion protruding from the base surface. In response to a substrate being inserted toward the base surface between the contact portion and the protrusion, the contact portion comes into contact with a conductor pattern formed on a surface of the substrate. The outer conductor includes a protruding conductor protruding from the base surface and not in contact with the substrate inserted between the contact portion and the protrusion.Type: GrantFiled: April 19, 2021Date of Patent: April 23, 2024Assignees: AGC Inc., AGC GLASS EUROPE, AGC FLAT GLASS NORTH AMERICA, INC., AGC Vidros do Brasil Ltda.Inventor: Yoshiyuki Ikuma
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Patent number: 11964344Abstract: A glass substrate for a semiconductor package includes a first principal surface, a second principal surface, at least one hollowed-out portion, and at least one through hole formed in a surrounding of the at least one hollowed-out portion, wherein in a section of the at least one hollowed-out portion taken in a direction perpendicular to the first principal surface, a minimum diameter of the at least one hollowed-out portion is smaller than an opening diameter of the at least one hollowed-out portion at each of the first principal surface and the second principal surface.Type: GrantFiled: December 14, 2020Date of Patent: April 23, 2024Assignee: AGC Inc.Inventors: Mamoru Isobe, Kohei Horiuchi
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Patent number: 11964450Abstract: A laminated member includes a glass member of which a linear transmittance at a wavelength of 850 nm is 80% or more, a bonding layer provided on or above the glass member, the bonding layer being constituted by a resin, and a ceramic member provided on or above the bonding layer, the ceramic member being constituted by an SiC member or an AlN member.Type: GrantFiled: January 14, 2022Date of Patent: April 23, 2024Assignee: AGC Inc.Inventors: Shuhei Ogawa, Norihito Nakazawa, Shuhei Nomura
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Patent number: 11967769Abstract: A planar antenna includes a dielectric layer including a first surface and a second surface on a side opposite from the first surface, an antenna conductor provided on the first surface, a ground conductor provided on the first surface or the second surface, or provided on both of the first surface and the second surface, and a transmission line including a signal line that is connected to the antenna conductor or provided in proximity to the antenna conductor, wherein a dielectric portion of the dielectric layer that is in contact with the signal line has a loss tangent of 0.007 or less at 28 GHz.Type: GrantFiled: November 4, 2021Date of Patent: April 23, 2024Assignee: AGC INC.Inventors: Toshiki Sayama, Ryota Okuda, Minami Hagiwara, Yusuke Sato, Takeshi Motegi
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Publication number: 20240124698Abstract: To provide a composition whereby it is possible to obtain a metal-clad laminate having low relative permittivity and dissipation factor and having adhesion of the composition layer to the metal layer improved, as well as the metal-clad laminate comprising a composition layer made of the composition, and a method for its production. A composition comprising a fluorinated polymer A1 containing units based on a fluoroolefin and units based on a monomer having an adhesive functional group, and an inorganic filler having a specific surface area of less than 5.5 m2/g, wherein the content of the inorganic filler in the solid content of the composition is at least 55 vol % to the entire volume of the solid content of the composition.Type: ApplicationFiled: December 4, 2023Publication date: April 18, 2024Applicant: AGC Inc.Inventors: Motoshi ONO, Kanji ARAI
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Publication number: 20240124344Abstract: A UV-transmitting glass formed of a multi-component oxide, and having at least one of characteristics of an internal transmittance ?350-400 (%) with respect to light having a wavelength between 350 nm and 400 nm through a 10 mm-thick glass that satisfies ?350-400?90 . . . (1); an internal transmittance ?300-350 (%) with respect to light having a wavelength between 300 nm and 350 nm through a 10 mm-thick glass that satisfies ?300-350?75 . . . (2); and an internal transmittance ?260-300 (%) with respect to light having a wavelength between 260 nm and 300 nm through a 10 mm-thick glass that satisfies ?260-300?45 . . . (3).Type: ApplicationFiled: December 22, 2023Publication date: April 18, 2024Applicant: AGC Inc.Inventors: Takenori SOMEYA, Naoki KANNO
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Publication number: 20240122818Abstract: The present invention relates to light-scattering silica particles having a light scattering property, the light-scattering silica particles including: a plurality of hollow portions each having a closed pore structure inside the particle, in which the light-scattering silica particles have a volume-based cumulative 50% particle diameter of 1 ?m to 500 ?m and an average circularity of 0.80 or more, and in use of the light-scattering silica particles, a reflectance A of a water cake containing 20 mg/cm2 of silica per measurement cross-sectional area at an ultraviolet wavelength of 310 nm is 30% or more.Type: ApplicationFiled: December 27, 2023Publication date: April 18, 2024Applicants: AGC Inc., AGC SI-TECH CO., LTD.Inventors: Hajime KATAYAMA, Masashi KONDO, Kohta FUKUMOTO, Yuriko TAKANO, Shinnosuke ARIMITSU, Takeshi MURAKAMI, Kenji HIGASHI, Daisuke YAMAZUMI
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Patent number: 11958950Abstract: An ion exchange membrane containing a fluorinated polymer, wherein in a case where by Raman spectroscopy, polarized light orthogonal to the thickness direction of the ion exchange membrane is irradiated to obtain a spectrum chart, whereby the ratio of the peak area a2 of Raman shift 680 to 760 cm?1 to the peak area al of Raman shift 1,025 to 1,095 cm?1 is taken as A1, and by Raman spectroscopy, to a cross section in the thickness direction of the ion exchange membrane, polarized light parallel with the thickness direction is irradiated to obtain a spectrum chart, whereby the ratio of the peak area b2 of Raman shift 920 to 1,025 cm?1 to the peak area b1 of Raman shift 1,025 to 1,095 cm?1 is taken as B1, B1/A1 is at least 1.05.Type: GrantFiled: October 5, 2020Date of Patent: April 16, 2024Assignee: AGC Inc.Inventors: Shintaro Hayabe, Osamu Homma, Yasushi Yamaki, Tatsuya Miyajima, Takuo Nishio
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Patent number: 11958269Abstract: A laminated member includes a glass member of which a linear transmittance at a wavelength of 850 nm is 80% or more, a bonding layer provided on or above the glass member, the bonding layer being constituted by a resin, and a Si—SiC member provided on or above the bonding layer.Type: GrantFiled: January 14, 2022Date of Patent: April 16, 2024Assignee: AGC Inc.Inventors: Shuhei Ogawa, Shuhei Nomura, Norihito Nakazawa
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Patent number: 11958768Abstract: An improved a glazing unit including a glass panel which is low in reflectance for RF radiation, a coating system which is high in reflectance for RF radiation disposed on the said glass panel and creating onto the glazing unit a dual band bandpass filter. The glazing unit further includes at least one frequencies selective decoated portion of the coating system extending along a plane, P, defined by a longitudinal axis, X, and a vertical axis, Z; having a width, DW, measured along the longitudinal axis, X, and a length, DL, measured along the vertical axis, Z. The at least one frequencies selective decoated portion includes a first decoated element that includes a plurality of unit cells forming a regular grid of n rows by m columns unit cells and a plurality of second decoated elements.Type: GrantFiled: April 30, 2020Date of Patent: April 16, 2024Assignees: AGC GLASS EUROPE, AGC INC., AGC FLAT GLASS NORTH AMERICA, INC., AGC VIDROS DO BRASIL LTDAInventor: Xavier Radu
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Publication number: 20240117152Abstract: An organosilicon compound is represented by the following formula (1TQ): in which M is a single bond or an optionally substituted alkylene group having 1 to 20 carbon atoms; the benzene ring optionally has a substituent; the vinyl group is attached to the benzene ring at any position; n is an integer of 3 or 4; and R is a hydrogen atom, a hydroxy group or an organic group, and an atom attached to Si is C in a case where R is an organic group.Type: ApplicationFiled: November 16, 2023Publication date: April 11, 2024Applicant: AGC Inc.Inventors: Tsukasa USUDA, Yoshitomi MORIZAWA, Kazumi HASHIMOTO, Ryosuke KAMITANI
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Publication number: 20240120664Abstract: An antenna device includes an array antenna configured to radiate a radio wave. The array antenna includes at least four radiating elements arranged substantially parallel to a beam scanning plane of the radio wave. The at least four radiating elements are arranged substantially parallel to a first principal surface of window glass for a building, with the antenna device arranged such that the array antenna is arranged at the first principal surface of the window glass in a non-contact manner and such that the radio wave is radiated toward a second principal surface of the window glass opposite from the first principal surface.Type: ApplicationFiled: December 13, 2023Publication date: April 11, 2024Applicant: AGC Inc.Inventors: Yasuo MORIMOTO, Fuminori WATANABE, Shimpei NAGAE, Ryuta SONODA, Tetsuya HIRAMATSU
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Publication number: 20240116800Abstract: A glass plate includes, in terms of molar percentage based on oxides: 70%?SiO2?85%; 0.0%?Al2O3?10%; 0.0%?B2O3?15%; 1.5%?MgO?20%; 0.0%?CaO?20%; 0.0% 0 SrO?5.0%; 0.0%?BaO?1.0%; 0.0% 0 ZnO?5.0%; 1.0%?Li2O?11%; 0.0%?Na2O?10%; 0.0% K2O?10%; 3.0%?R2O 11%; 0.01% Fe2O3?1.00%; and 2.0%?RO?20%, in which a temperature T2 at which a glass viscosity is 102 dPa·s is 1,650° C. or lower, a temperature T12 at which a glass viscosity is 1012 dPa·s is 730° C. or lower, a relative dielectric constant (Fr) at a frequency of 10 GHz is 6.5 or less, and a loss tangent (tan ?) at a frequency of 10 GHz is 0.0090 or less.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Applicant: AGC Inc.Inventors: Takato KAJIHARA, Shigeki SAWAMURA, Yutaka KUROIWA
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Publication number: 20240116806Abstract: The present invention relates to a chemically strengthened glass having a K-DOL defined as below of 5 ?m or less, and having a value CS50/(K-DOL×t) obtained by dividing a compressive stress CS50 (MPa) at a depth of 50 ?m from a surface of the chemically strengthened glass by a product of the K-DOL (?m) and a sheet thickness t (mm) of 45 (MPa/(?m·mm)) or more, K-DOL being a depth value (?m) from a glass surface of a compressive stress layer caused by K ions.Type: ApplicationFiled: September 22, 2023Publication date: April 11, 2024Applicant: AGC Inc.Inventor: Kaname SEKIYA