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US08661853B2 Method for producing glass, optical glass, glass material for press molding, optical element and methods for producing same 有权
玻璃制造方法，光学玻璃，压制成形用玻璃材料，光学元件及其制造方法

Method for producing glass, optical glass, glass material for press molding, optical element and methods for producing same
Abstract:
A process for producing a glass in the production of a glass molded article formed of an optical glass by melting and clarifying a glass raw material to prepare a molten glass and molding said molten glass, the process comprising preparing a glass raw material that gives an oxide glass comprising, by cationic %, 12 to 65% of B3+, 0 to 20% of Si4+, 0 to 6% of Ge4+, 15 to 50% of total of La3+, Gd3+, Y3+, Yb3+, Sc3+ and Lu3+, 4 to 54% of total of Ta5+, Zr4+, Ti4+, Nb5+, W6+ and Bi3+, 0 to 35% of Zn2+, 0 to 9% of total of Li+, Na+ and K+, and 0 to 15% of total of Mg2+, Ca2+, Sr2+ and Ba2+, a total content of said cationic components in the oxide glass being 99 to 100%, and said glass raw material comprising carbonate and sulfate.
Abstract(Chinese):

一种玻璃制造方法，其特征在于，在玻璃成型体的制造中，通过熔融澄清玻璃原料制备玻璃原料，制备熔融玻璃，并对所述熔融玻璃进行成型，制备玻璃原料， 包含阳离子％的12％〜65％的B3 +，0〜20％的Si4 +，0〜6％的Ge4 +，15〜50％的La3 +，Gd3 +，Y3 +，Yb3 +，Sc3 +和Lu3 +，4〜54 Ta5 +，Zr4 +，Ti4 +，Nb5 +，W6 +和Bi3 +，0〜35％的Zn2 +，0〜9％的Li +，Na +和K +，0〜15％的总Mg2 +，Ca2 +，Sr2 +和 Ba2 +，氧化物玻璃中所述阳离子成分的总含量为99〜100％，所述玻璃原料含有碳酸盐和硫酸盐。

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