| 摘要 |
PURPOSE: A broadband antenna is provided to use a ferrite magnetic substance or mixture having a high ratio of relative permeability to relative dielectric permittivity, thereby miniaturizing an antenna and improving a bandwidth feature. CONSTITUTION: A radiation patch(130) is formed on a substrate(110). The substrate is made of a ferrite magnetic substance or mixtures of a ferrite magnetic substance and a dielectric substance. The substrate has high relative permeability and relatively low relative dielectric permittivity. A radiating patch is made by conductive metal.
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