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    ALKALI-FREE GLASS AND ALKALI-FREE GLASS SUBSTRATE, AND METHOD OF PRODUCING THE SAME
    6.
    发明申请
    ALKALI-FREE GLASS AND ALKALI-FREE GLASS SUBSTRATE, AND METHOD OF PRODUCING THE SAME 有权
    无碱玻璃和无碱玻璃基材及其生产方法

    公开(公告)号：US20090226671A1

    公开(公告)日：2009-09-10

    申请号：US11791313

    申请日：2007-05-22

    申请人： Tomoki Yanase ,  Shinkichi Miwa

    发明人： Tomoki Yanase ,  Shinkichi Miwa

    IPC分类号： C03C3/091 ,  C03C3/093 ,  B32B3/00 ,  B32B17/00

    CPC分类号： C03B17/064 ,  C03C3/091 ,  C03C3/093 ,  C03C3/095 ,  G02F2001/133302 ,  G02F2202/09 ,  Y02P40/57 ,  Y10T428/24479 ,  Y10T428/315

    摘要： A technical object of the present invention is to satisfy various properties required in glass for liquid crystal displays and the like, in particular, fusibility, devitrification resistance, and like properties, and then to design a glass composition in which components harmful to the environment are reduced or substantially not contained, thereby obtaining a glass substrate that takes the environment into consideration. An alkali-free glass of the present invention contains the following glass composition in percent by weight based on oxide: 50 to 70% of SiO2, 10 to 20% of Al2O3, 8 to 12% of B2O3, 0 to 3% of MgO, 4 to 15% of CaO, 0 to 10% of SrO, 0 to 1% of BaO, and 0 to 5% of ZnO, and substantially free of alkali metal oxide and As2O3.

    摘要翻译： 本发明的技术目的是满足液晶显示器等的玻璃中所需的各种特性，特别是熔融性，耐失透性等性质，然后设计其中对环境有害的组分为 减少或基本上不含，从而获得考虑环境的玻璃基板。 本发明的无碱玻璃含有以氧化物计的以重量％计的玻璃组合物：SiO2：50〜70％，Al2O3：10〜20％，B2O3：8〜12％，MgO：0〜3％ 4〜15％的CaO，0〜10％的SrO，0〜1％的BaO和0〜5％的ZnO，基本上不含碱金属氧化物和As 2 O 3。

    Alkali-free glass and alkali-free glass substrate
    7.
    发明申请
    Alkali-free glass and alkali-free glass substrate 有权
    无碱玻璃和无碱玻璃基材

    公开(公告)号：US20090270242A1

    公开(公告)日：2009-10-29

    申请号：US12457960

    申请日：2009-06-26

    申请人： Tomoki Yanase ,  Shinkichi Miwa

    发明人： Tomoki Yanase ,  Shinkichi Miwa

    IPC分类号： C03C3/093

    CPC分类号： C03C3/11 ,  C03C3/091 ,  C03C3/093

    摘要： An alkali-free glass characterized by having a glass composition being substantially free of an alkali metal oxide, As2O3 and Sb2O3 and including, in terms of mol %, 55 to 75% of SiO2, 7 to 15% of Al2O3, 7 to 12% of B2O3, 0 to 3% of MgO, 7 to 12% of CaO, 0 to 5% of SrO, 0 to 2% of BaO, 0 to 5% of ZnO and 0.01 to 1% of SnO2 and has a liquidus viscosity of 105.2 dPa·s or higher and a temperature corresponding to a viscosity of 102.5 dPa·s of 1,550° C. or lower.

    摘要翻译： 一种无碱玻璃，其特征在于具有基本上不含碱金属氧化物As 2 O 3和Sb 2 O 3的玻璃组合物，以摩尔％计含有55至75％的SiO 2，7至15％的Al 2 O 3，7至12％ 的B 2 O 3，0〜3％的MgO，7〜12％的CaO，0〜5％的SrO，0〜2％的BaO，0〜5％的ZnO和0.01〜1％的SnO 2， 105.2dPa.s或更高，对应于粘度为102.5dPa.s的温度为1550℃或更低。