Patent · US Active

Security thread for data carriers, data carriers, and production of said data carriers

US10850492B2 · kind B2 · utility

0Cited by

9References

22Claims

0Family size

Assignee

GIESECKE+DEVRIENT MOBILE SECURITY GMBH · DE

Inventors

Günter Endres · Birkenfeld, DE
Jurgen Stahl · Frankfurt am Main, DE
Lars Hoffmann · Birkenfeld, DE

Key dates

Filing date	Jul 20, 2011
Grant date	Dec 1, 2020
Priority date	—
Expiry date	Jul 20, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T156/1039
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Into a plastic card (1) of polycarbonate layers (10; 11; 12) there is laminated a security thread (3) by applying pressure and temperature, the security thread itself having a carrier foil (5) of polycarbonate and a coating (6) that is borne by the carrier foil and conveys holographic information. The connection of the polycarbonate carrier foil (5) of the security thread with the polycarbonate layer (10; 11; 12) of the data carrier adjoining said carrier foil takes place without using an adhesive or primer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.