PRINTED SECURITY MARK
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Accused Products
Abstract
Embodiments of a printed security mark and a process are disclosed.
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Citations
37 Claims
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1-20. -20. (canceled)
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21. A method of reading a security mark, comprising:
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emitting a light in a non-visible wavelength range onto a security mark to activate a light activated component of the security mark, the light activated component defining a spectral property that is a wavelength specific feature chosen from an absorptive feature and a Raman feature; detecting a light-activated response from the light activated component; and comparing the light-activated response with a security pattern stored in a memory. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. An ink including a light-activated component utilized for printing a security mark, comprising:
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an ink component that defines a spectral property having a wavelength specific feature chosen from an absorptive feature and a Raman feature, the ink component being chosen from a nanocrystal, a quantum dot, and a carbon nanotube; and a solvent in which the ink component is dispersed. - View Dependent Claims (29, 30)
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31. A system for reading a security mark, comprising:
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the security mark including a light activated component defining a spectral property that is a wavelength specific feature; a light source to emit a light in a non-visible wavelength range onto the security mark to activate the light activated component of the security mark; a detector to detect a light-activated response from the light activated component, and to compare the light-activated response with a security pattern; and a computer including a memory system within which the security pattern is stored. - View Dependent Claims (32, 33, 34, 35, 36, 37)
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Specification