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:
Aug. 21, 2012
Filed:
Apr. 02, 2007
Stefan Borgsmüller, Heidelberg, DE;
Steffen Noehte, Weinheim, DE;
Kay Schulte-wieking, Heidelberg, DE;
Stefan Borgsmüller, Heidelberg, DE;
Steffen Noehte, Weinheim, DE;
Kay Schulte-Wieking, Heidelberg, DE;
tesa Scribos GmbH, Heidelberg, DE;
Abstract
The invention relates to a storage medium comprising a security feature, having a substrate (), at least one functional layer (), at least one feature which is written into the functional layer () and is visible when reflected and at least one feature which is written into the functional layer () and is visible when transmitted, at least one feature being individualized and at least one feature having a diffractive structure. The invention solves the technical problem of providing a larger variety of combinations of different security features. The invention also relates to a method for producing a storage medium comprising a security feature.