-
公开(公告)号：US20230119617A1
公开(公告)日：2023-04-20
申请号：US18068547
申请日：2022-12-20
Applicant: AGC Inc.
Inventor： Suguru MURAYAMA , Kazuki KANEHARA , Eriko MAEDA
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.
-
公开(公告)号：US20230112685A1
公开(公告)日：2023-04-13
申请号：US18064503
申请日：2022-12-12
Applicant: AGC Inc.
Inventor： Eriko MAEDA , Kazuki KANEHARA , Shusaku AKIBA
Abstract: The present invention relates to a glass including, in terms of mole percentage based on oxides: 52% to 70% of SiO2; 14% to 25% of Al2O3; 10% to 18% of Li2O; 1% to 7% of Na2O; 0.1% to 5% of K2O; 0% to 10% of B2O3; 0% to 5% of P2O5; 0% to 5% of MgO; 0% to 5% of ZnO; 0% to 2% of ZrO2; and 0% to 5% of Y2O3, in which a parameter M is 20 or less, the parameter M being determined by the following formula, M=−1.15×[SiO2]−1.73×[Al2O3]+0.155×[Li2O]+0.74×[Na2O]−4.75×[K2O]−2.1×[B2O3]−2.17×[P2O5]+3.25×[MgO]−2.0×[ZnO]−13.3×[ZrO2]−0.80×[Y2O3]+120.
-
公开(公告)号：US20210323862A1
公开(公告)日：2021-10-21
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.
-
公开(公告)号：US20240360029A1
公开(公告)日：2024-10-31
申请号：US18769560
申请日：2024-07-11
Applicant: AGC Inc.
Inventor： Kazuki KANEHARA , Kazuhiko NIWANO , Nobutaka KIDERA
CPC classification number: C03C10/0045 , C03C4/16 , C03C2214/20 , H01Q1/38
Abstract: The present invention relates to a crystallized glass, having a value calculated according to the following equation (A) of −50 ppm (/° C.) to 50 ppm (/° C.) when a rate of change ΔDk (/° C.) in a relative dielectric constant at 10 GHz due to a temperature is expressed by the following equation (A), and having a total content of an alkali metal oxide R2O of 3.0% or less in terms of molar percentage based on oxides,
[
Math
.
1
]
Δ
Dk
=
(
relative
dielectric
constant
at
10
GHz
and
60
°
C
.
)
-
(
relative
dielectric
constant
at
10
GHz
and
-
20
°
C
.
)
(
relative
dielectric
constant
at
10
GHz
and
20
°
C
.
)
×
(
60
°
C
.
-
(
-
20
°
C
.
)
)
(
A
)-
Patent Agency Ranking
15.发明公开公开(公告)号：US20240150225A1
公开(公告)日：2024-05-09
申请号：US18414585
申请日：2024-01-17
Applicant: AGC Inc.
Inventor： Kazuki KANEHARA , Yutaka KUROIWA , Shusaku AKIBA
CPC classification number: C03C10/0027 , C03B32/02 , C03C21/002
Abstract: The present invention relates to a glass ceramic, in which a crystal contained in the largest amount on a mass basis is a lithium disilicate-based crystal, and a ratio of Li ions in Li ion sites of the lithium disilicate-based crystal is less than 95%. The glass ceramic may have a light transmittance in terms of a thickness of 0.7 mm of 85% or more in a wavelength range of 400 nm to 1,000 nm.
-
公开(公告)号：US20240150224A1
公开(公告)日：2024-05-09
申请号：US18413369
申请日：2024-01-16
Applicant: AGC Inc.
Inventor： Kazuki KANEHARA , Yutaka KUROIWA , Shusaku AKIBA
CPC classification number: C03C10/0009 , C03C4/16 , C03C21/002 , H05K5/03 , C03C2204/00
Abstract: The present invention relates to a glass ceramic including: a lithium disilicate-based crystal; and an SiO2-based crystal, in which a content of the lithium disilicate-based crystal and a content of the SiO2-based crystal are both equal to or greater than a content of crystal other than the lithium disilicate-based crystal and the SiO2-based crystal on a mass basis.
-
17.发明公开公开(公告)号：US20230212062A1
公开(公告)日：2023-07-06
申请号：US18184114
申请日：2023-03-15
Applicant: AGC Inc.
Inventor： Kazuki KANEHARA , Yutaka KUROIWA
CPC classification number: C03C10/0045 , C03C3/097 , G02F1/13 , C03C3/085 , C03C2214/20 , C03C2203/52
Abstract: The present invention relates to a crystallized glass including: at least one crystal of indialite and cordierite, in which the crystallized glass has a total amount of the crystal is 40 mass % or more of the crystallized glass, and the crystal comprises at least one of a vacancy and a different element at an Al site.
-
公开(公告)号：US20220204400A1
公开(公告)日：2022-06-30
申请号：US17692335
申请日：2022-03-11
Applicant: AGC Inc.
Inventor： Kenji IMAKITA , Suguru MURAYAMA , Izuru KASHIMA , Kazuki KANEHARA
Abstract: The present invention relates to a chemically strengthened glass satisfying A1 [MPa] of 600 or more, A2 [MPa] of 50 or more, B1 [μm] of 6 or less, B2 [μm] of 10% or more of t [μm], C [MPa] of −30 or less, and A1/B1 [MPa/μm] of 100 or more when the chemically strengthened glass has a thickness t [μm] and a profile of a stress value [MPa] at a depth x [μm] from a glass surface is approximated by an error least-squares method in a region of 0 A2 and B1
-
公开(公告)号：US20200239354A1
公开(公告)日：2020-07-30
申请号：US16747586
申请日：2020-01-21
Applicant: AGC Inc.
Inventor： Qing LI , Akio KOIKE , Kazuki KANEHARA
Abstract: A crystallized glass that: has a visible light transmittance of at least 85% when the thickness thereof is converted to 0.8 mm; has a haze value of no more than 1.0% when the thickness thereof is converted to 0.8 mm; contains, in terms of mass % on an oxide basis, 58%-70% SiO2, 15%-30% Al2O3, 2%-10% Li2O, 0%-5% Na2O, 0%-2% K2O, 0%-1.8% SrO, 0%-2% BaO, 0.5%-6% SnO2, 0.5%-6% ZrO2, and 0%-6% P2O5; has a total SrO and BaO content of 0.1%-3%; and has a total Na2O and K2O content of 1%-5%.
-
-
-
-
-
-
-
-
Search Results
19
records
(took 0.018 seconds)
