Apparatus having mushroom structures
US8952849B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Feb 22, 2011 |
| Grant date | Feb 10, 2015 |
| Priority date | — |
| Expiry date | Feb 7, 2033 |
Classification
- Technology area (CPC —)General
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.