Small low profile antennas using high impedance surfaces and high permeability, high permittivity materials
First Claim
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1. A low profile antenna, comprising:
- A fractal pattern antenna being generally planar in configuration and extending in a first direction; and
a ground plane structure operatively associated with the antenna, the ground plane structure comprising;
a generally planar surface that extends in a direction that is generally parallel to the first direction;
at least one protrusion extending from the planar surface; and
a dielectric substrate supported by the planar surface, the dielectric substrate comprising a ferrimagnetic material that has a relative permeability (μ
) of greater than or equal to about one and a relative permittivity (ε
) of greater than or equal to about one.
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Abstract
A low profile antenna includes an antenna and a ground plane structure operatively associated with the antenna. The ground plane structure has a generally planar surface, at least one protrusion extending from the planar surface and a dielectric substrate supported by the planar surface. The dielectric substrate includes a relative permeability (μ) of greater than or equal to about one and a relative permittivity (ε) of greater than or equal to about one.
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Citations
9 Claims
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1. A low profile antenna, comprising:
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A fractal pattern antenna being generally planar in configuration and extending in a first direction; and a ground plane structure operatively associated with the antenna, the ground plane structure comprising; a generally planar surface that extends in a direction that is generally parallel to the first direction; at least one protrusion extending from the planar surface; and a dielectric substrate supported by the planar surface, the dielectric substrate comprising a ferrimagnetic material that has a relative permeability (μ
) of greater than or equal to about one and a relative permittivity (ε
) of greater than or equal to about one. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification