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US09255028B2 Optical glass, precision press molding preform, and optical element and method of manufacturing the same 有权
光学玻璃，精密压模成型预制件和光学元件及其制造方法

Optical glass, precision press molding preform, and optical element and method of manufacturing the same
Abstract:
The optical glass is described that may be an oxide glass including, denoted as cation %, a total of 5 to 60% of B3+ and Si4+ (with 5 to 50% of B3+), a total of equal to or higher than 5% of Zn2+ and Mg2+, a total of 10 to 50% of La3+, Gd3+, Y3+, and Yb3+, and a total of 6 to 45% of Ti4+, Nb5+, Ta5+, W6+, and Bi3+ (a total content of Ti4+ and Ta5+ being higher than 0% and a content of W6+ being higher than 5%).
Abstract(Chinese):

描述了可以是氧化物玻璃，其包括以阳离子％表示，总共为B3 +和Si4 +的5〜60％（具有5〜50％的B3 +），总计等于或高于5％〜5％的氧化物玻璃 Zn2 +和Mg2 +，总共为10〜50％的La3 +，Gd3 +，Y3 +和Yb3 +，总共为6〜45％的Ti4 +，Nb5 +，Ta5 +，W6 +和Bi3 +（Ti4 +和Ta5 +的总含量较高 0％以上，W6 +含量高于5％）。

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