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US 11,236,009 B2Granted
Optical glass, optical element including optical glass, and optical apparatus
AssigneesThe University of Tokyo, Nikon Corporation
InventorsHiroyuki Inoue, Atsunobu Masuno, Kohei Yoshimoto, Motoi Ueda, Hiroshi Yamamoto, Tatsunori Kawashima
Life of this patent
Estimating the term…
Abstract
Provided is optical glass containing, in terms of mol % of cations: 10 to 60% of a La3+ component; more than 0% and up to 75% of a Ga3+ component; and 5 to 75% of a Nb5+ component, in which a total amount of the La3+ component, Ga3+ component, and Nb5+ component is 60 to 100%.
Claims23
Optical glass containing, in terms of mol % of cations:
- 10 to 60% of a La3+ component;
- more than 0% and up to 75% of a Ga3+ component;
- and
- 5 to 75% of a Nb5+ component,
- wherein a total amount of the La3+ component, the Ga3+ component, and the Nb5+ component is 60 to 100%.
2 more elements
Dependencies are inferred from the claim text.