US 12,265,872 B2
Card body for a chip card and chip card
Michael Baldischweiler, Munich (DE)
Assigned to GIESECKE+DEVRIENT EPAYMENTS GMBH, Munich (DE)
Appl. No. 18/261,370
Filed by GIESECKE+DEVRIENT MOBILE SECURITY GMBH, Munich (DE)
PCT Filed Jan. 19, 2022, PCT No. PCT/EP2022/025018
§ 371(c)(1), (2) Date Jul. 13, 2023,
PCT Pub. No. WO2022/157003, PCT Pub. Date Jul. 28, 2022.
Claims priority of application No. 10 2021 000 335.7 (DE), filed on Jan. 22, 2021.
Prior Publication US 2024/0303457 A1, Sep. 12, 2024
Int. Cl. G06K 19/077 (2006.01); G06K 19/02 (2006.01); G06K 19/04 (2006.01)
CPC G06K 19/07747 (2013.01) [G06K 19/02 (2013.01); G06K 19/042 (2013.01); G06K 19/07779 (2013.01)] 13 Claims
OG exemplary drawing
 
13. A card body for a chip card, comprising a module opening for accommodating a chip module with a coil, having a metallic layer with a slot which extends from an outer edge of the metallic layer to the module opening,
and having a plastics layer which is applied on one side of the metallic layer,
wherein the module opening comprises a blind hole made in the plastics layer and in the metallic layer, and an external region which surrounds the blind hole and which is made in the plastics layer only to the extent of a part of the height of said layer,
wherein in the metallic layer in the external region there are at least two further slots,
wherein at least one of the at least two further slots is a corner slot that is wholly contained within the external region and that extends in a slot region of the external region, starting from a corner region of the blind hole, and wherein at least one of the at least two further slots is a parallel slot in a slot region of the external region extends parallel to a wall of the blind hole.