Optical glass

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United States of America Patent

PATENT NO 8163665
APP PUB NO 20080220961A1
SERIAL NO

11628043

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Abstract

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An optical glass having refractive index (nd) exceeding 1.85, Abbe number (νd) of 36 or over, comprising SiO2, B2O3, La2O3, Gd2O3, Ta2O5 and Li2O as essential components, being free of Pb and As components, and having glass transition temperature (Tg) of 630° C. or below.

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Patent Owner(s)

Patent OwnerAddress
OHARA INC15-30 OYAMA 1-CHOME CHUO-KU SAGAMIHARA-SHI KANAGAWA 2525286

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shimizu, Koji Sagamihara, JP 159 2248
Uehara, Susumu Sagamihara, JP 23 232

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