Method of checking authenticity of a data carrier
US6343743B1 · kind B1 · utility
81Cited by
20References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 17, 1998 |
| Grant date | Feb 5, 2002 |
| Priority date | — |
| Expiry date | Jun 17, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F7/086
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The invention relates to a method for testing the authenticity of a data carrier with an integrated circuit and is characterized in that a material is provided in an area of the integrated circuit which is excited to luminesce for example by an electromagnetic radiation or by an electric field, the electromagnetic radiation emitted by the material being measured and evaluated for determining the authenticity of the data carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.