公开(公告)号：US20220134713A1

公开(公告)日：2022-05-05

申请号：US17575827

申请日：2022-01-14

Applicant: AGC Inc.

Inventor： Shuhei OGAWA ,  Shuhei NOMURA ,  Norihito NAKAZAWA

IPC: B32B17/10

Abstract: 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.

公开(公告)号：US20220134712A1

公开(公告)日：2022-05-05

申请号：US17575843

申请日：2022-01-14

Applicant: AGC Inc.

Inventor： Shuhei OGAWA ,  Norihito NAKAZAWA ,  Shuhei NOMURA

IPC: B32B17/10 ,  B32B18/00

Abstract: 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.

公开(公告)号：US20200002231A1

公开(公告)日：2020-01-02

申请号：US16567055

申请日：2019-09-11

Applicant: AGC Inc.

Inventor： Shuhei OGAWA ,  Naomichi MIYAKAWA ,  Yasuo SHINOZAKI ,  Haruhiko YOSHINO ,  Kazunari TOHYAMA ,  Kazuto OHKOSHI

IPC: C04B35/117 ,  C04B38/00 ,  C04B38/06

Abstract: The present invention relates to a light-transmitting ceramic sintered body which contains air voids having pore diameters of 1 μm or more but less than 5 μm at a density within the range of from 10 voids/mm3 to 4,000 voids/mm3 (inclusive), while having a closed porosity of from 0.01% by volume to 1.05% by volume (inclusive). With respect to this light-transmitting ceramic sintered body, a test piece having a thickness of 1.90 mm has an average transmittance of 70% or more in the visible spectrum wavelength range of 500-900 nm, and the test piece having a thickness of 1.90 mm has a sharpness of 60% or more at a comb width of 0.5 mm.

公开(公告)号：US20240425979A1

公开(公告)日：2024-12-26

申请号：US18802049

申请日：2024-08-13

Applicant: AGC Inc. ,  TSUBASA SCIENCE CORPORATION

Inventor： Michio ISHIKAWA ,  Michio TANIMURA ,  Shuhei OGAWA ,  Tomonori OGAWA

IPC: C23C16/40 ,  C23C16/448

Abstract: The present invention relates to an yttrium-based protective film having: a peak intensity ratio of Y5O4F7 in an X-ray diffraction pattern of 80% or more; a porosity of less than 1.5 volume %; and a Vickers hardness of 500 MPa or more. The yttrium-based protective film may have a content of fluorine of 35 atom % to 60 atom %.

公开(公告)号：US20240425407A1

公开(公告)日：2024-12-26

申请号：US18825001

申请日：2024-09-05

Applicant: AGC Inc.

Inventor： Shuhei OGAWA ,  Tomonori OGAWA ,  Kazuki KANEHARA

IPC: C03C4/20 ,  C03B19/02 ,  C03B25/02 ,  C03C3/087 ,  C03C3/091 ,  C03C3/093 ,  C03C3/112 ,  C03C3/118 ,  H01J37/32

Abstract: A glass block for a plasma resistant member, including silicon and at least one of magnesium and calcium, in which, in terms of mole percentage based on an oxide, a total content of MgO and CaO is 3.0 mol % or more and less than 29.0 mol %, a content of R2O is 3.0 mol % or more and less than 35.0 mol %, and a content of R12O is 8.0 mol % or less, provided that R1 is an alkali metal element and R2 is an alkaline earth metal element.

公开(公告)号：US20230373863A1

公开(公告)日：2023-11-23

申请号：US18363788

申请日：2023-08-02

Applicant: AGC Inc.

Inventor： Shuhei OGAWA ,  Naomichi MIYAKAWA

IPC: C04B35/195 ,  C04B35/64 ,  C04B35/63 ,  C09K5/14

CPC classification number: C04B35/195 ,  C04B35/64 ,  C04B35/6303 ,  C09K5/14 ,  C04B2235/3481 ,  C04B2235/3463 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/5436 ,  C04B2235/9607

Abstract: The present invention relates to a cordierite sintered body including all elements belonging to an element group M1 consisting of calcium, magnesium, aluminum, and silicon, in which a content of the calcium is 0.06 mass % or more and 3.40 mass % or less in terms of oxide, a content of the magnesium is 12.9 mass % or more in terms of oxide, a content of an element M2, which is a metal element other than the elements belonging to the element group M1, is 1.5 mass % or less in terms of oxide, a porosity is 3.0 vol % or less, a four-point bending strength is 170 MPa or more, and a Weibull coefficient is 9.5 or more.

公开(公告)号：US20230357091A1

公开(公告)日：2023-11-09

申请号：US18353977

申请日：2023-07-18

Applicant: AGC Inc.

Inventor： Yu HANAWA ,  Shuhei OGAWA ,  Seiji INABA

IPC: C04B37/04 ,  C03C3/091 ,  C03C3/093 ,  C03C3/06 ,  C03C3/087 ,  C03C3/097 ,  B32B17/06 ,  B32B9/00 ,  B32B18/00 ,  B32B7/12 ,  B32B7/027 ,  B32B7/022

CPC classification number: C04B37/047 ,  C03C3/091 ,  C03C3/093 ,  C03C3/06 ,  C03C3/087 ,  C03C3/097 ,  B32B17/06 ,  B32B9/005 ,  B32B18/00 ,  B32B7/12 ,  B32B7/027 ,  B32B7/022 ,  C04B2237/365 ,  B32B2307/54 ,  B32B2307/412 ,  B32B2307/302 ,  B32B2307/7376 ,  B32B2307/306 ,  B32B2307/72 ,  B32B2255/26 ,  B32B2307/558

Abstract: The present invention relates to a laminated member, including: a glass member having a linear transmittance at a wavelength of 850 nm of 80% or more; a bonding layer containing a resin and lying on the glass member; and a Si—SiC member lying on the bonding layer, in which the glass member includes predetermined amounts of SiO2, Al2O3, B2O3, and P2O5, the Si—SiC member has an average linear expansion coefficient α at 20 to 200° C. of 2.85 to 4.00 ppm/° C., and has an average linear expansion coefficient β at 20 to 200° C. of 1.50 to 5.00 ppm/° C., and the laminated member has an absolute value |α−β|, which is a value obtained by subtracting β from α, of 2.00 ppm/° C. or less.

公开(公告)号：US20240400462A1

公开(公告)日：2024-12-05

申请号：US18804292

申请日：2024-08-14

Applicant: AGC Inc.

Inventor： Rui HAYASHI ,  Shuhei OGAWA ,  Koki TANAKA ,  Hiroyuki YAMAMOTO

IPC: C04B35/565 ,  C04B41/45 ,  C04B41/50 ,  C04B41/91

Abstract: Provided is a conventionally unavailable, novel SiSiC component. The SiSiC component has at least one long hole formed therein, wherein the long hole has a diameter of 2 mm or smaller, wherein the long hole has a length of 100 mm or longer, and wherein the content of elemental Si is 10 to 60 vol %.

公开(公告)号：US20240217864A1

公开(公告)日：2024-07-04

申请号：US18600865

申请日：2024-03-11

Applicant: AGC Inc.

Inventor： Kazuki KANEHARA ,  Seiji INABA ,  Shuhei OGAWA

IPC: C03C3/097 ,  C03B5/235 ,  C03B19/02 ,  C03B25/02 ,  C03C3/06 ,  C03C3/078 ,  C03C3/087 ,  C03C3/089 ,  C03C3/091 ,  C03C3/095 ,  C03C3/11 ,  C03C3/12 ,  H01L21/683 ,  H01L21/687

CPC classification number: C03C3/097 ,  C03B5/235 ,  C03B19/02 ,  C03B25/02 ,  C03C3/06 ,  C03C3/078 ,  C03C3/087 ,  C03C3/089 ,  C03C3/091 ,  C03C3/095 ,  C03C3/111 ,  C03C3/125 ,  C03C2201/02 ,  H01L21/6833 ,  H01L21/68757

Abstract: The present invention relates to a glass block including: Si; and at least one of Mg and Ca, and satisfying, in terms of mol %, 49.0% or less of B2O3, 11.5% or less of P2O5, 10.0 to 59.5% of a (=SiO2+B2O3+P2O5+GeO2), 66.5% or less of (a+Al2O3), 7.0% or less of Ga2O3, 0.44 or less of b (=Al2O3+Ga2O3+In2O3)/a, 20.0% or more of R2O (R2: alkaline earth metal), 50.0% or less of MgO, MgO≥BaO, CaO≥BaO, SrO≥BaO, MgO≥SrO, CaO≥SrO, 1.2% or less of R12O (R1: alkali metal), 4.8% or less of TiO2 or ZrO2, 9.5% or less of MnO2, 11.8% or less of ZnO, 0.067 or less of Ta2O5/SiO2, 15.0% or less of an impurity element, and 0.20 or less of F/O.