| 摘要 |
According to the present invention, a parasitic element is formed on an upper surface of a multilayer dual ceramic dielectric substance, and electricity supplied to a circular ring-shaped radiating element formed between a first ceramic dielectric substance and a second ceramic dielectric substance is induced to the parasitic element through electromagnetic coupling by means of a high dielectric second ceramic dielectric substance formed between the radiating element and the parasitic element, thereby improving broadband properties and gains of an antenna. An electricity supply unit for double probe electricity supply is formed on a lower surface of a dielectric substance substrate, thereby dual polarization of left hand circular polarization (LHCP) and right hand circular polarization (RHCP) are simultaneously generated by the double probe electricity supply. An open stub is formed in one side of the parasitic element, thereby a phase induced by electromagnetic coupling is stabilized by a capacitive reactance. |
