- 专利标题: Optical glass, optical element, optical instrument, and method for manufacturing optical glass
-
申请号: US16167227申请日: 2018-10-22
-
公开(公告)号: US11254602B2公开(公告)日: 2022-02-22
- 发明人: Michio Endo
- 申请人: CANON KABUSHIKI KAISHA
- 申请人地址: JP Tokyo
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: JP Tokyo
- 代理机构: Canon U.S.A., Inc., IP Division
- 优先权: JPJP2017-206269 20171025
- 主分类号: C03C3/12
- IPC分类号: C03C3/12 ; C03B11/12 ; C03B19/10 ; G02B1/00 ; C03C3/155
摘要:
An optical glass includes La3+, Zn2+, Nb5+, and Ti4+ as a cation configuring glass. La3+, Zn2+, Nb5+, and Ti4+ which satisfy 10 cat %≤La3+≤20 cat %, 10 cat %≤Zn2+≤60 cat %, 20 cat %≤Nb5+≤60 cat %, and 0 cat %≤Ti4+≤40 cat % expressed by cation %.
公开/授权文献
信息查询