Anti-intrusion smart card
AssigneeOberthur Card Systems SA
InventorFrançois Launay
Life of this patent
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Abstract
A smart card includes: a plastic body, a module integral with the body and including a support bearing external electric connection pads, at least one electronic chip borne by the support and having one side called active surface bearing internal electric connection pads, and runs electrically connecting the external and internal electric connection pads, respectively. The invention is characterized in that at least one of the runs includes a conductor strip which is configured and arranged so as to project above the active surface while concealing at least a substantial part with at least one large-sized portion and has at least one small-sized portion adapted to involve easy disconnection by rupture upon displacement of the strip or elimination of all or part of the strip relative to the active surface.
Claims18
Smart card including:
- a plastics material body,
- a module attached to that body and comprising a support carrying external electrical connection areas,
- at least one electronic microchip carried by said support and having an active face carrying internal electrical connection areas, and
- respective electrical connections between said external electrical connection areas and said internal electrical connection areas,
- characterized in that at least one of said connections includes a conductive track that is conformed and disposed so as to overlie the active face, visually concealing a significant portion thereof with at least one wide portion, and has at least one narrow portion adapted to bring about easy disconnection by breakage thereof in the event of moving that track or eliminating the whole or a portion of that track facing the active face.
Dependencies are inferred from the claim text.