Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Vladimir P. Raksha0
Charles T. Markantes0
Dishuan Chu0
Jay M. Holman0
Paul G. Coombs0
Date of Patent
May 23, 2006
0Patent Application Number
103868940
Date Filed
March 11, 2003
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
Apparatus and related methods align magnetic flakes in a carrier, such as an ink vehicle or a paint vehicle to create optically variable images in a high-speed, linear printing operation. Images can provide security features on high-value documents, such as bank notes. Magnetic flakes in the ink are aligned using magnets in a linear printing operation. Selected orientation of the magnetic pigment flakes can achieve a variety of illusive optical effects that are useful for decorative or security applications.
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