Patent ID: 11878938
Assignee: CDGM GLASS CO., LTD
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  G | IPC C

Claim 1:
2. The optical glass according to claim 1, further comprising:
8 to 20 wt % of B2O3; and/or
30 to 42 wt % of La2O3; and/or
0 to 8 wt % of Y2O3; and/or
15 to 28 wt % of Gd2O3; and/or
2 to 13 wt % of SiO2; and/or
1 to 10 wt % of ZrO2; and/or
0.1 to 5 wt % of TiO2; and/or
0.1 to 5 wt % of WO3; and/or
0.5 to 10 wt % of Ta2O5; and/or
0 to 5 wt % of ZnO; and/or 0 to 8.5 wt % of Nb2O5.