Ca—La—F based transparent ceramic, Ca—La—F based transparent ceramic, optical element, optical system, and ceramic-forming composition

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United States of America Patent

PATENT NO 8618008
APP PUB NO 20120257290A1
SERIAL NO

13495826

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Abstract

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A Ca—La—F based transparent ceramic, including: mixing CaF2 particles and LaF3 particles that are prepared separately from the CaF2 particles to form a mixed body of particles, and sintering the mixed body of particles and making the mixed body transparent, thereby producing a transparent ceramic.

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Patent Owner(s)

Patent OwnerAddress
NIKON CORPORATION15-3 KONAN 2-CHOME MINATO-KU TOKYO 108-6290

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishizawa, Hitoshi Kawasaki, JP 28 502

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