Optical: systems and elements – Light interference – Produced by coating or lamina
Reexamination Certificate
2006-09-12
2006-09-12
Dunn, Drew A. (Department: 2872)
Optical: systems and elements
Light interference
Produced by coating or lamina
Reexamination Certificate
active
07106515
ABSTRACT:
A method for producing an optical element having a multi-layered antireflection film formed on a synthetic resin substrate, in which the antireflection film formed has good heat resistance, and its heat resistance lowers little with time. At least one high-refraction layer of the multi-layered anti-reflection film contains niobium oxide, zirconium oxide, yttrium oxide, and optionally aluminum oxide. High-refraction layers can be formed within a shorter period of time while not detracting from the good physical properties intrinsic to the layers.
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Kamura Hitoshi
Kobayashi Akinori
Mitsuishi Takeshi
Shinde Ken-ichi
Takahashi Yukihiro
Dunn Drew A.
Finnegan Henderson Farabow Garrett & Dunner LLP
Hoya Corporation
Pritchett Joshua L.
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