Optical glass and the optical component which is produced from now on

摘要

Mass % in display P₂ O_5:35% - 50%, B₂ O_3:3% - 25%, Al₂ O_3:1% - 12%, Li₂ O: 0% - 10% (zero is included), Na₂ O: 0% - 10% (zero is included), K₂ O: 0% - 12% (zero is included), however, Li₂ O+Na2O+K2O: 5% - 15%, MgO 0% - 30% (zero is included), CaO: 0% - 30% (zero is included), however, MgO+CaO: 18% - 32%, Nb₂ O_5:5% - 20%, ZnO: 0% - 10% (zero is included), the optical glass which contains the glass component.