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    Glass for chemical strengthening
    1.
    发明授权
    Glass for chemical strengthening 有权

    公开(公告)号：US11572305B2

    公开(公告)日：2023-02-07

    申请号：US16911878

    申请日：2020-06-25

    申请人： AGC Inc.

    发明人： Suguru Murayama ,  Kazuki Kanehara ,  Eriko Maeda

    IPC分类号： C03C3/095 ,  C03C3/085 ,  C03C21/00 ,  C03C3/078 ,  C03C3/087 ,  C03C3/093 ,  C03C3/097

    摘要： The present invention relates to a glass for chemical strengthening including, in mole percentage on an oxide basis: 45 to 75% of SiO2; 1 to 30% of Al2O3; 1 to 20% of Li2O; 0 to 5% of Y2O3; 0 to 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 20%, having a total content of Na2O and K2O of 0 to 10%, having a total content of B2O3 and P2O5 of 0 to 10%, and having a value M expressed by the following expression of 1,000 or more: M=−5×[SiO2]+121×[Al2O3]+50×[Li2O]−35×[Na2O]+32×[K2O]+85×[MgO]+54×[CaO]−41×[Sr O]−4×[P2O5]+218×[Y2O3]+436×[ZrO2]−1180, in which 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.

    Crystallized glass and chemically strengthened glass
    3.
    发明授权
    Crystallized glass and chemically strengthened glass 有权

    公开(公告)号：US11274058B2

    公开(公告)日：2022-03-15

    申请号：US16747586

    申请日：2020-01-21

    申请人： AGC Inc.

    发明人： Qing Li ,  Akio Koike ,  Kazuki Kanehara

    IPC分类号： C03C10/00 ,  C03C3/097 ,  C03B32/02 ,  C03C3/083 ,  C03C21/00

    摘要： 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%.

    Glass for chemical strengthening
    4.
    发明授权
    Glass for chemical strengthening 有权

    公开(公告)号：US11827560B2

    公开(公告)日：2023-11-28

    申请号：US18068547

    申请日：2022-12-20

    申请人： AGC Inc.

    发明人： Suguru Murayama ,  Kazuki Kanehara ,  Eriko Maeda

    IPC分类号： C03C3/095 ,  C03C3/085 ,  C03C21/00 ,  C03C3/078 ,  C03C3/087 ,  C03C3/093 ,  C03C3/097

    CPC分类号： C03C21/002 ,  C03C3/078 ,  C03C3/087 ,  C03C3/093 ,  C03C3/095 ,  C03C3/097 ,  C03C2201/3411

    摘要： 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.