Chip card with optimised coupling antennas and method for the production thereof

Abstract

The invention relates to a contactless or a non-contactless/contactless chip card, the chip card comprising a chip card body (5) and an antenna insert (21) provided between outer layers (2) of the chip card body (5), the antenna insert (21) comprising a substrate and, on at least one face of the substrate, coils of a concentrator (3, 4) intended to be electromagnetically coupled to the coils of an antenna (14) of an electronic module (9) arranged in a cavity (6) of the card body (5), which electronic module is characterised in that the concentrator (3, 4) comprises at least one inner coil (3a, 4a) that opens out into the cavity (6) and is flush with the inner side walls (17) of the cavity (6) in the chip card body (5).

Dependencies are inferred from the claim text.