Low index metamaterial
US8466370B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 22, 2009 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Jan 18, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q15/0086
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Various aspects of the disclosure provide low index metamaterials. The low index metamaterials may be used to form soft and/or hard electromagnetic (EM) boundaries to facilitate desired EM performance or propagation in applications including feed horns, spatial feed/combiners, isolation barriers between antennas or RF modules, and reduced radar cross-section applications. In one aspect, a low index metamaterial comprises a dielectric layer and a plurality of conductors on a surface of the dielectric layer, embedded in the dielectric layer or both, wherein the low index metamaterial appears as a medium having a dielectric constant less than one with respect to electromagnetic waves at predetermined frequencies and propagating at grazing angles with respect to a surface of the low index metamaterial.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.