Optical glass, and optical element, cemented lens, optical system, interchangeable lens for camera and optical device using same

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United States of America

PATENT NO 12234183
APP PUB NO 20230348316A1
SERIAL NO

18213534

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical glass contains: a P2O5 component of 30 to 60 mass % (exclusive of 30); an Al2O3 component of 2 to 10 mass % (exclusive of 2); a TiO2 component of 10 to 36 mass % (exclusive of 36); an Nb2O5 component of 0 to 5 mass %; a Ta2O5 component of 0 to 15 mass %; a Bi2O3 component of 0 to 5 mass % (exclusive of 5); and an Sb2O3 component of 0 to 1 mass %; and a BaO component of 1 to 20 mass %.

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Patent Owner(s)

  • NIKON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koide, Tetsuya Yokohama, JP 10 45

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