Transaction cards with discontinuous metal strata
US12011946B2 · kind B2 · utility
0Cited by
6References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2021 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | May 27, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07769
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A transaction card having a discontinuous metal stratum with a desired degree of electrical eddy current disruption disposed on a surface of a first layer, such as a glass or other transparent layer. A transaction module disposed in the first layer is electrically isolated from the discontinuous metal stratum. The discontinuous metal stratum may include a plurality of isolated metal features that form a halftone pattern, such as a pattern that is visibly opaque to the naked eye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.