发明授权
- 专利标题: Optical glass
- 专利标题(中): 光学玻璃
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申请号: US12195496申请日: 2008-08-21
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公开(公告)号: US07582580B2公开(公告)日: 2009-09-01
- 发明人: Hiroyuki Ohkawa , Jun Sasai , Naoki Sugimoto
- 申请人: Hiroyuki Ohkawa , Jun Sasai , Naoki Sugimoto
- 申请人地址: JP Tokyo
- 专利权人: Asahi Glass Company, Limited
- 当前专利权人: Asahi Glass Company, Limited
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权: JP2006-044054 20060221
- 主分类号: C03C3/15
- IPC分类号: C03C3/15 ; C03C3/155 ; C03C3/095
摘要:
The present invention provides an optical glass including, by mass %: 46 to 70 of B2O3; 3 to 10 of Li2O; 5 to 15 of Y2O3; 0 to 46 of SiO2: 0 to 20 of Al2O3: 0 to 40 of MgO+CaO+SrO+BaO; 0 to 30 of La2O3; and 0 to 10 of ZrO2+TiO2+Gd2O3.
公开/授权文献
- US20080312063A1 OPTICAL GLASS 公开/授权日:2008-12-18
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