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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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Patent Agency Ranking
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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公开(公告)号：US10246361B2
公开(公告)日：2019-04-02
申请号：US15370424
申请日：2016-12-06
Applicant: AGC Inc.
Inventor： Shingo Urata , Takashi Enomoto , Kazuhiro Suzuki , Kensuke Nagai
Abstract: There is provided a process for producing molten glass, which is capable of easily increasing the H2O content in glass melt with excessive generation of convection of the glass melt being reduced.One mode of the process for producing molten glass according to the present invention is characterized to include a material melting step for melting a raw glass material in a melting furnace to prepare glass melt; a water-molecules supply step for supplying a water-molecules supply gas into the glass melt flowing from an upstream end of the melting furnace toward a downstream end of the melting furnace; and a refining step for degassing, under a reduced pressure atmosphere, the glass melt flowing out of the downstream end; wherein a position where the water-molecules supply gas is supplied in the water-molecules supply step includes a first position and a second position from downstream to upstream in a flowing direction of the glass melt in this order; the first position is a position away from both of the upstream end and the downstream end; and the second position is a position closer to the upstream end than a center of a distance between the upstream end and the first position in the flowing direction of the glass melt.
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公开(公告)号：US11634353B2
公开(公告)日：2023-04-25
申请号：US16590573
申请日：2019-10-02
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：US11548807B2
公开(公告)日：2023-01-10
申请号：US16388208
申请日：2019-04-18
Applicant: AGC Inc.
Inventor： Hiroyuki Hijiya , Kensuke Nagai
Abstract: A soda lime glass plate has, on the basis of oxides, a total sulfur content in terms of SO3 of 0.001 to 0.2% in mass %, a total iron content in terms of Fe2O3 of 0.15 to 0.4% in mass %, and a total tin content in terms of SnO2 of 0.02 to 1% in mass %, and has a mass proportion of a divalent iron in terms of Fe2O3 in the total iron in terms of Fe2O3 of 45 to 70%. The soda lime glass plate has, as a conversion value for a 3.85 mm-thickness glass plate, a visible light transmittance Tv_A of 70% or more, a total solar transmittance Tts of 63.7% or less, and c* in the L*a*b* color space of 4 or less.
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