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US06933253B2 Alkali-free glass and method for producing the same 失效
无碱玻璃及其制造方法

Alkali-free glass and method for producing the same
摘要：
An alkali-free glass applicable to a light transparent glass substrate in a liquid crystal display essentially consists, by weight, of basic elements of 40-70% SiO2, 6-25% Al2O3, 5-20% B2O3, 0-10% MgO, 0-15% CaO, 0-30% BaO, 0-10% SrO, and 0-10% ZnO, and a fining agent of a combination of 0.05-3% Sb2O3 and at least one of 0.05-2% SnO2 and 0.005-1% Cl2, which fining agent makes the resultant glass free from bubbles without the use of toxic As2O3 which has been known as the fining agent in the art.
摘要（中）：

适用于液晶显示器中的透明玻璃基板的无碱玻璃基本上由40-70％SiO 2 2，6-25％Al 2的基本元素组成 O 3，5〜20％B 2 O 3，0〜10％MgO，0〜15％CaO，0 -30％BaO，0-10％SrO和0-10％ZnO，以及0.05-3％Sb 2 O 3 3 N 3的组合的澄清剂和 0.05-2％的SnO 2和0.005-1％的Cl 2 2中的至少一种，该澄清剂使得所得的玻璃体不含气泡，而不使用有毒的As < 2 O 3，其已知为本领域的澄清剂。

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