OPTICAL COMPONENT, METHOD OF MANUFACTURING OPTICAL COMPONENT, AND METHOD OF QUANTIFYING GHOST LIGHT

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United States of America Patent

SERIAL NO

14695599

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Abstract

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An optical component is characterized in that: a spectral characteristics curve of a multilayer film provided on a first surface of a plastic base has one local maximum at a first wavelength in a wavelength range of 380 nm to 780 nm and has one local minimum at a second wavelength 200 nm or less longer than the first wavelength; an average reflectivity of the multilayer film provided on the first surface in a wavelength range of the first wavelength ±25 nm is 50% or less; an average reflectivity of a multilayer film provided on a second surface of the plastic base relative to the average reflectivity of the multilayer film provided on the first surface is 40% or less in the wavelength range of the first wavelength ±25 nm; and a spectral characteristics curve of the multilayer film provided on the second surface does not have a local maximum in the wavelength range of the first wavelength ±25 nm.

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Patent Owner(s)

Patent OwnerAddress
NIKON-ESSILOR CO LTDJAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MIYAMOTO, So Kawasaki-shi, JP 4 74
Tomoda, Masaoki Sagamihara-shi, JP 5 140

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