Metal antenna insert for smart card and smart card incorporating such an antenna insert
US12277466B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2023 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Aug 25, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D11/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to an antenna inlay for a smart card with a contactless communication interface or a dual contact and contactless communication interface. The antenna inlay does not have a layer of plastic material, and is essentially constituted by a metal sheet comprising conductive turns delimited by zones rendered non-conductive by anodization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.