Lenses having chromatic effect
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United States of America Patent
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Jun 14, 2005
Grant Date -
Dec 16, 2004
app pub date -
Jun 30, 2004
filing date -
Jan 10, 2002
priority date (Note) -
Expired
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Abstract
A lens is provided comprising a substrate, a first metal layer comprising a first metal material uniformly covering an outer surface of said substrate, a first dielectric layer comprising a first dielectric material uniformly covering said first metal layer, a second metal layer comprising a second metal material gradiently covering only a portion of said first dielectric layer and a second dielectric layer formed of a second dielectric material gradiently covering said second metal layer.
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