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公开(公告)号：US11731901B2
公开(公告)日：2023-08-22
申请号：US16747593
申请日：2020-01-21
Applicant: AGC Inc.
Inventor： Qing Li , Kenji Imakita , Akio Koike , Eriko Maeda
CPC classification number: C03C21/002 , B32B17/10 , C03B32/02 , C03C4/0028 , C03C4/18 , C03C10/0027 , C03C10/0054 , C03C2204/00
Abstract: The purpose of the present invention is to provide a chemically strengthened glass having excellent transparency and strength and being scratch resistant. The present invention pertains to a chemically strengthened glass that: has a compressive stress layer on the surface thereof; has a visible light transmittance of at least 70% when the thickness thereof is converted to 0.8 mm; has a surface compressive stress of at least 600 MPa; has a compressive stress depth of at least 80 μm; and contains a β-spodumene.
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公开(公告)号：US12168626B2
公开(公告)日：2024-12-17
申请号：US17305169
申请日：2021-07-01
Applicant: AGC Inc.
Inventor： Kazuki Kanehara , Eriko Maeda , Takumi Umada , Kenji Imakita
Abstract: The present invention relates to a chemically strengthened glass having a sheet shape, having a compressive stress layer on a glass surface, having a compressive stress value on the glass surface of 800 MPa or more, having a sheet thickness (t) of 100 μm or more, having a depth of the compressive stress layer (DOL) of (t×0.1) μm or more, and satisfying: CSB>CSA>0, where DB is a depth in a range of 10 μm or more and not more than DOL from the glass surface, at which a compressive stress value is maximum; CSB is the compressive stress value at the depth DB; DΛ is a depth in a range of equal to or less than DB from the glass surface, at which a compressive stress value is minimum; and CSA is the compressive stress value at the depth DA.
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公开(公告)号：US20230331620A1
公开(公告)日：2023-10-19
申请号：US18182734
申请日：2023-03-13
Applicant: AGC Inc.
Inventor： Eriko Maeda , Takato Kajihara , Kensuke Nagai , Yutaka Kuroiwa , Osamu Kagaya , Ryuta Sonoda , Hiroyuki Hijiya
CPC classification number: C03C3/083 , C03C3/087 , C03C3/093 , C03C3/085 , C03C3/091 , C03C3/095 , H01Q1/1271 , B60J1/00
Abstract: To provide a glass plate for a window material and a window comprising the glass plate, which are less likely to be a barrier to radio transmitting/receiving in use of a radio-utilizing apparatus, and a radio communication apparatus comprising the glass plate.
A glass plate having a radio transmittance of at least 20% at a frequency of 100 GHz as calculated as 18 mm thickness, a window comprising the glass plate, and a radio communication apparatus comprising the glass plate.-
4.发明授权公开(公告)号：US10766806B2
公开(公告)日：2020-09-08
申请号：US15945144
申请日：2018-04-04
Applicant: AGC Inc.
Inventor： Eriko Maeda , Hiroyuki Hijiya , Kensuke Nagai , Tetsuya Nakashima , Yutaka Kuroiwa
Abstract: The present invention pertains to a glass for a data storage medium substrate which contains a specific amount of each of SiO2, Al2O3, MgO, CaO, SrO, BaO, Li2O, Na2O, and K2O, in molar percentage based on the oxides, and does not substantially contain B2O3 or ZrO2, wherein the sum of the Li2O, Na2O, and K2O contents (R2O), the molar ratio of the SiO2 content to the Al2O3 content (SiO2/Al2O3), and the molar ratio of the sum of the SiO2 and Al2O3 contents (SiO2+Al2O3) to R2O[(SiO2+Al2O3)/R2O] fall within their specific ranges, formula (1): 90
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5.发明申请公开(公告)号：US20200156994A1
公开(公告)日：2020-05-21
申请号：US16747584
申请日：2020-01-21
Applicant: AGC Inc.
Inventor： Qing Li , Akio Koike , Eriko Maeda
Abstract: The present invention pertains to a glass for strengthening, that: has an average transmittance of at least 70% when converted to a thickness of 0.8 mm at a wavelength of 380-780 nm; has a haze value of no more than 0.7% when converted to a thickness of 0.8 mm in a C light source; has a Young's modulus of at least 85 GPa; has a fracture toughness value of at least 0.90 MPa·m1/2; a thermal conductivity at 20° C. of at least 1.3 W/m·K; and comprises a lithium aluminosilicate crystallized glass.
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Patent Agency Ranking
公开(公告)号：US12240779B2
公开(公告)日：2025-03-04
申请号：US17525554
申请日：2021-11-12
Applicant: AGC Inc.
Inventor： Qing Li , Kenji Imakita , Akio Koike , Eriko Maeda
IPC: C03C10/00 , C03B23/025 , C03B32/02 , C03C4/00 , C03C21/00
Abstract: The present invention provides crystallized glass of three-dimensional shape for easily producing chemically strengthened glass of three-dimensional shape that resists damage and has exceptional transparency. This crystallized glass of three-dimensional shape: contains crystals; has light transmittance in terms of a thickness of 0.8 mm of 80% or higher; and contains 45-74% SiO2, 1-30% Al2O3, 1-25% Li2O, 0-10% Na2O, 0-5% K2O, a total of 0-15% of SnO2 and/or ZrO2, and 0-12% P2O5, these amounts expressing the oxide-based mass percentage.
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公开(公告)号：US11827560B2
公开(公告)日：2023-11-28
申请号：US18068547
申请日：2022-12-20
Applicant: AGC Inc.
Inventor： Suguru Murayama , Kazuki Kanehara , Eriko Maeda
CPC classification number: C03C21/002 , C03C3/078 , C03C3/087 , C03C3/093 , C03C3/095 , C03C3/097 , C03C2201/3411
Abstract: The present invention relates to a glass for chemical strengthening including, in mole percentage on an oxide basis: 60 to 72% of SiO2; 9 to 20% of Al2O3; 1 to 15% of Li2O; 0.1 to 5% of Y2O3; 0 to 1.5% of ZrO2; and 0 to 1% of TiO2, having a total content of one or more kinds of MgO, CaO, SrO, BaO and ZnO of 1 to 10%, having a total content of Na2O and K2O of 1.5 to 10%, having a total content of B2O3 and P2O5 of 0 to 10%, wherein a ratio ([Al2O3]+[Li2O])/([Na2O]+[K2O]+[MgO]+[CaO]+[SrO]+[BaO]+[ZnO]+[ZrO2]+[Y2O3]) is from 0.7 to 3, wherein a ratio [MgO])/([CaO]+[SrO]+[BaO]+[ZnO]) is from 10 to 45, and having a value M expressed by the following expression of 1,100 or more:
M=−5×[SiO2]+121×[Al2O3]+50×[Li2O]−35×[Na2O]+32×[K2O]+85×[MgO]+54×[CaO]−41×[SrO]−4×[P2O5]+218×[Y2O3]+436×[ZrO2]−1180,
wherein each of [SiO2], [Al2O3], [Li2O], [Na2O], [K2O], [MgO], [CaO], [SrO], [P2O5], [Y2O3], and [ZrO2] designates a content of each component in mole percentage on an oxide basis.-
8.发明授权公开(公告)号：US11718556B2
公开(公告)日：2023-08-08
申请号：US16747584
申请日：2020-01-21
Applicant: AGC Inc.
Inventor： Qing Li , Akio Koike , Eriko Maeda
CPC classification number: C03C21/002 , C03C3/083 , C03C4/0028 , C03C10/0027
Abstract: The present invention pertains to a glass for strengthening, that: has an average transmittance of at least 70% when converted to a thickness of 0.8 mm at a wavelength of 380-780 nm; has a haze value of no more than 0.7% when converted to a thickness of 0.8 mm in a C light source; has a Young's modulus of at least 85 GPa; has a fracture toughness value of at least 0.90 MPa·m1/2; a thermal conductivity at 20° C. of at least 1.3 W/m·K; and comprises a lithium aluminosilicate crystallized glass.
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公开(公告)号：US20230212059A1
公开(公告)日：2023-07-06
申请号：US18182759
申请日：2023-03-13
Applicant: AGC Inc.
Inventor： Eriko Maeda , Takato Kajihara , Kensuke Nagai , Yutaka Kuroiwa , Osamu Kagaya , Ryuta Sonoda , Hiroyuki Hijiya
Abstract: To provide a glass plate for a window material and a window comprising the glass plate, which are less likely to be a barrier to radio transmitting/receiving in use of a radio-utilizing apparatus, and a radio communication apparatus comprising the glass plate.
A glass plate having a radio transmittance of at least 20% at a frequency of 100 GHz as calculated as 18 mm thickness, a window comprising the glass plate, and a radio communication apparatus comprising the glass plate.-
公开(公告)号：US10773991B2
公开(公告)日：2020-09-15
申请号：US15958032
申请日：2018-04-20
Applicant: AGC Inc.
Inventor： Hiroyuki Hijiya , Kensuke Nagai , Eriko Maeda
Abstract: In a soda lime glass, a content of total iron calculated as Fe2O3, expressed in mass % on an oxide basis, is 0.25 to 1%, a mass proportion of divalent iron calculated as Fe2O3 in the total iron calculated as Fe2O3 is 30 to 50%, a content of total sulfur calculated as SO3, expressed in mass % on an oxide basis, is 0.003 to 0.1%, and a content of Se is 3 mass ppm or more. In the soda lime glass, visible light transmittance Tv_D65 is 30 to 55% calculated as 6 mm thickness of a glass sheet, solar direct transmittance Te is 20 to 40% calculate as 6 mm thickness of a glass sheet, and excitation purity Pe is 8.0% or less calculated as 6 mm thickness of a glass sheet.
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