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    • 70. 发明公开
    • FINING OF BOROALUMINO SILICATE GLASSES
    • 硼铝硅酸盐玻璃的发现
    • EP3296274A2
    • 2018-03-21
    • EP17196092.5
    • 2006-06-28
    • Corning Incorporated
    • ELLISON, Adam James
    • C03C1/00C03C3/091C03B17/06
    • C03C3/091C03B17/06C03C1/004
    • Glasses are disclosed which can be used to produce substrates for flat panel display devices, e.g., active matrix liquid crystal displays (AMLCDs). The glasses have MgO concentrations in the range from 1.0 mole percent to 3.0 mole percent and ∑[RO]/[Al 2 O 3 ] ratios greater than or equal to 1.00, where [Al 2 O 3 ] is the mole percent of Al 2 O 3 and ∑[RO] equals the sum of the mole percents of MgO, CaO, SrO, and BaO. These compositional characteristics have been found to improve the melting properties of batch materials used to produce the glass, which, in turn, allows the glasses to be fined (refined) with more environmentally friendly fining agents, e.g., tin as opposed to arsenic and/or antimony.
    • 公开了可用于制造用于平板显示装置的基板的玻璃,例如有源矩阵液晶显示器(AMLCD)。 该玻璃具有1.0摩尔%至3.0摩尔%的MgO浓度和大于或等于1.00的Σ[RO] / [Al 2 O 3]比,其中[Al 2 O 3]是Al 2 O 3的摩尔百分比并且Σ[RO]等于 MgO,CaO,SrO和BaO的摩尔百分比之和。 已经发现这些组成特性改善了用于生产玻璃的批料材料的熔融性能,这又使玻璃能够用更环境友好的澄清剂例如锡(与砷相反)和/ 或锑。