The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2015
Filed:
Dec. 17, 2008
Michael Rahm, Hemau, DE;
Marius Dichtl, Munich, DE;
Manfred Heim, Bad Tolz, DE;
Hans Lochbihler, Munich, DE;
Thomas Kampfe, Jena, DE;
Thomas Pertsch, Hermsdorf, DE;
Jorg Petschulat, Jena, DE;
Ernst-bernhard Kley, Jena, DE;
Michael Rahm, Hemau, DE;
Marius Dichtl, Munich, DE;
Manfred Heim, Bad Tolz, DE;
Hans Lochbihler, Munich, DE;
Thomas Kampfe, Jena, DE;
Thomas Pertsch, Hermsdorf, DE;
Jorg Petschulat, Jena, DE;
Ernst-Bernhard Kley, Jena, DE;
Giesecke & Devrient GmbH, Munich, DE;
Abstract
The present invention relates to a security element () for security papers, value documents and the like, having a feature region () that selectively influences incident electromagnetic radiation (). According to the present invention, it is provided that the feature region () includes metallic nanopatterns () in which volume or surface plasmons are excited and/or resonance effects are caused by the incident electromagnetic radiation ().