Anti-copy optical materials and methods
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United States of America Patent
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May 23, 2017
Grant Date -
Jul 30, 2015
app pub date -
Jan 28, 2015
filing date -
Jan 28, 2014
priority date (Note) -
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Abstract
An anti-copy optical material and methods of using the material to passively frustrate scanner-based reproduction processes are disclosed. More particularly, embodiments of the anti-copy optical material include a fluorescent material to absorb visible incident light from a scan lamp and to emit a visible fluorescence. The anti-copy optical material may also include one or more optical absorbers to absorb one or more peak wavelengths of the visible incident light from the scan lamp.
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