Giesecke+devrient Mobile Security Gmbh

Giesecke+devrient Epayments Gmbh

Giesecke+devrient Advance52 Gmbh

Thorsten Sauer

Thomas Tarantino

Michael Baldischweiler

Josef Riedl

Günter Endres

Klaus Kohl

Cristina Fabian

A method is provided for producing a chip card body having a metallic core layer for a contactless or dual-interface chip card. A slot in the metallic core layer for reducing eddy currents is generated not in the metallic multiple-copy sheet itself but instead only in the metallic core layer extracted from the metallic multiple-copy sheet. In this way, there are no short-circuit-forming metal chips left in the slot, since the slot is generated only after the extraction of the metallic core layer from the multiple-copy sheet.

Method for producing a chip card body

The invention relates to a card, in particular a chip card, including a computing unit for managing electronic coin data records, the electronic coin data records being issued by a central entity, and a card body with visible data and at least one visible feature. The central entity is at the same time the issuer or administrator of a series of banknotes and the at least one visible feature identifies the card as part of the series of banknotes to an observer. In addition, a method for producing such a card is also proposed.

Card and method of producing the card

A method for changing a geometry of an edge of a portable data carrier, wherein the geometry of the edge is changed in order to work on the edge and the outer side of the data carrier proceeding from a common side, without a spatial location of the data carrier being changed.

Method for changing an edge of a portable card-shaped data carrier

Growing community of inventors

Erding, Germany

Thorsten Sauer