Authentication structure/apparatus and method
US9903815B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2015 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Feb 11, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/7743
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
According to an aspect of an exemplary embodiment, an authentication apparatus for authenticating an object includes an input coupler configured to receive incident light and generate surface plasmons from the incident light; and an output coupler configured to output a speckle pattern based on the surface plasmons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.