Apparatus having mushroom structures
US8779984B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Feb 22, 2011 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Nov 9, 2032 |
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 first patch provided parallel to the ground plate with a separation of a distance to the ground plate; and a second patch provided parallel to the ground plate with a separation of another distance to the ground plate, which another distance being different from the distance from the first patch to the ground plate, wherein the second patch is a passive element which is capacitatively coupled with at least the first patch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.