发明名称 |
Optical glass and optical element |
摘要 |
An optical glass contains as glass ingredients, by weight: 0-8% SiO2; 34.5-46% B2O3; 2.6-6% Li2O; 21-38% ZnO; 0-40% La2O3; 0-35% Gd2O3; and 0-15% Y2O3, with the total content of La2O3+Gd2O3+Y2O3 accounting for 10-40%. The optical glass also has a predetermined index of refraction and a predetermined dispersion.
|
申请公布号 |
US7704904(B2) |
申请公布日期 |
2010.04.27 |
申请号 |
US20080009814 |
申请日期 |
2008.01.22 |
申请人 |
KONICA MINOLTA OPTO, INC. |
发明人 |
OOGAKI AKIO |
分类号 |
C03C3/15;C03C3/066;C03C3/068;C03C3/155 |
主分类号 |
C03C3/15 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|