CURVED SURFACE FILMS AND METHODS OF MANUFACTURING THE SAME

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United States of America Patent

APP PUB NO 20190346590A1
SERIAL NO

16401703

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Abstract

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An optical element including an optically transparent lens which defines a curved surface having a steepness given by an R/# of from about 0.5 to about 1.0. A film is positioned on the curved surface. The film includes an index layer. A composite layer is positioned on the curved surface having a refractive index greater than the index layer. The composite layer includes HfO2 and Al2O3. The composite layer has a mole fraction X of HfO2, wherein X is from about 0.05 to about 0.95 and a mole fraction of Al2O3 in the composite layer is 1-X.

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Patent Owner(s)

Patent OwnerAddress
CORNING INCORPORATEDPATENT DEPT SP-T1-3-1 CORNING NY 14831
CORNING PRECISION MATERIALS CO LTD30 MANJEONDANG-GIL TANGJEONG-MYEON CHUNGCHEONGNAM-DO 31452

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Ming-Huang Ithaca, US 14 23
Kim, Chang-gyu Cheongju-si, KR 14 192
Kim, Hoon Horseheads, US 425 3367
Park, Soo Ho Cheonan-si, KR 3 1
Wang, Jue Pittsford, US 203 2507

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