Metallic chipcard having a metal label thereon
US12141633B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2023 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Sep 28, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07749
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A chipcard having a card body formed by at least one dielectric layer and one metal layer, the metal layer having a cavity and an outline, the metal layer further having a slit, the card further having an antenna extending in the cavity. The card further includes at least one metal label at least partially covering the cavity and the antenna, the label being fixed onto one of the faces of the card, the metal label having a metal layer comprising a pattern having a first part formed by first etched metal lines delimiting at least one zone that is at least partially of metal, and a second part made of second etched metal lines forming only open loops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.