Apparatus having mushroom structures
US8988287B2 · kind B2 · utility
1Cited by
0References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2011 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Mar 3, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q15/14
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An apparatus having multiple mushroom structures is disclosed. Each of the multiple mushroom structures includes: a ground plate; a patch provided parallel to the ground plate with a separation of a distance to the ground plate, wherein a distance between a ground plate and a patch in a certain mushroom structure is different from a distance between a ground plate and a patch in a different mushroom structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.