Optical glass, optical element using optical glass, and optical device

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United States of America Patent

PATENT NO 9988300
SERIAL NO

15428691

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Abstract

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An optical glass which is suitable for mold press molding. The optical glass contains, in weight %, 10-25% of B2O3, 30-60% of P2O5, 0-5% of Al2O3, 0.1-10% of Li2O, 0-15% of SrO, 10-50% of BaO, 0-12% of ZnO, 0-5% of Y2O3 and 0-5% of Gd2O3, while not containing La2O3.

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Patent Owner(s)

Patent OwnerAddress
NIKON CORPORATION1-5-20 NISHIOI SHINAGAWA-KU TOKYO 140-8601

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamamoto, Hiroshi Yamato, JP 1032 14677
Yoshimoto, Kohei Kawasaki, JP 11 2

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