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US 2008/0176733 A1Published application
Optical glass and optical element
AssigneeKonica Minolta Opto, Inc.
InventorAkio Oogaki
Life of this patent
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Abstract
An optical glass contains as glass ingredients, by weight: 10-35% SiO2; 8-30% B2O3; 4-9% Li2O; 26-40% ZnO; 1-25% La2O3; and 6-22% Nb2O5.
Claims12
An optical glass comprising as glass ingredients, by weight:
- 10-35% SiO2;
- 8-30% B2O3;
- 4-9% Li2O;
- 26-40% ZnO;
- 1-25% La2O3;
- and
- 6-22% Nb2O5.
4 more elements
Dependencies are inferred from the claim text.