Metamaterials
US7538946B2 · kind B2 · utility
94Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2005 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Dec 15, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q15/0086
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
One exemplary metamaterial is formed from a plurality of individual unit cells, at least a portion of which have a different permeability than others. The plurality of individual unit cells are arranged to provide a metamaterial having a gradient index along at least one axis. Such metamaterials can be used to form lenses, for example.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.