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:
Feb. 19, 2019
Filed:
Dec. 03, 2010
Hans Lochbihler, Munich, DE;
Hans Lochbihler, Munich, DE;
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH, Munich, DE;
Abstract
A security element () for security papers, documents of value or the like, having a substrate () the upper face () of which is height-modulated, and has a multilayer structure () which acts as a color filter. The structure is formed on the height-modulated upper face () and is likewise height-modulated as a result, and includes a first layer (), a second layer () of dielectric material formed thereon and a third layer () formed on the second layer (), wherein the first and third layer () are each formed from a dielectric material having a higher refractive index than that of the second layer (), or in each case from a metal or semi-metal material.