Optical evaluation of lenses and lens molds

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United States of America Patent

PATENT NO 9599534
APP PUB NO 20160047711A1
SERIAL NO

14825317

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Abstract

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A method for determining information about an object including a curved portion and a planar portion, the curved portion having a first curved surface having an apex and defining an axis of the object, includes: directing measurement light to the object; detecting measurement light reflected from the first curved surface of the curved portion; detecting measurement light reflected from at least one other surface of the object; and determining, based on the detected light, information about the apex of the first curved surface of the curved portion.

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Patent Owner(s)

Patent OwnerAddress
ZYGO CORPORATION21 LAUREL BROOK ROAD MIDDLEFIELD CT 06455

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Colonna, de Lega Xavier Middlefield, US 19 318
de, Groot Peter J Middletown, US 62 1649
Fay, Martin F Middletown, US 14 163

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