发明公开
- 专利标题: GLASS COMPOSITION FOR ULTRAVIOLET LIGHT AND OPTICAL DEVICE USING THE SAME
- 专利标题(中): 玻璃复合物的紫外线和光学设备
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申请号: EP08847126.3申请日: 2008-11-05
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公开(公告)号: EP2099720A1公开(公告)日: 2009-09-16
- 发明人: WATANABE, Tomohiro , MUKAIDE, Taihei
- 申请人: Canon Kabushiki Kaisha
- 申请人地址: 30-2 Shimomaruko 3-chome Ohta-ku Tokyo 146-8501 JP
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: 30-2 Shimomaruko 3-chome Ohta-ku Tokyo 146-8501 JP
- 代理机构: Weser, Thilo
- 优先权: JP2007292527 20071109
- 国际公布: WO2009060984 20090514
- 主分类号: C03C3/095
- IPC分类号: C03C3/095 ; C03C3/062 ; C03C4/00 ; G02B1/00
摘要:
A glass composition for ultraviolet light is provided. The glass composition for ultraviolet light contains Lu, Si, and O in an amount of 99.99 weight % or more in total. The glass composition contains Lu in an amount of 26 % or more and 39 % or less in cation percent and Si in an amount of 61 % or more and 74 % or less in cation percent.
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