Patent ID: 9169152
Filing Date: 2015-10-27
Classification: C03C

Abstract:
1. An optical glass, comprising: 6 wt % to 10 wt % of B 10 wt % to 15 wt % of B 27 wt % to 32 wt % of La 0 wt % to 5 wt % of Gd more than 19 wt % but less than 25 wt % of TiO more than 8 wt % but less than 15 wt % of Nb 0.5 wt % to 5 wt % of ZnO; 0 wt % to 2 wt % of WO 2 wt % to 10 wt % of ZrO more than 10 wt % but less than 15 wt % of BaO; 0 wt % to 5 wt % of CaO, SrO and MgO, wherein the content of SrO is 0 wt % to 3 wt %; and 0 wt % to 0.1 wt % of Sb