Patent ID: 8094075
Filing Date: 2012-01-10
Classification: H01Q,Y10T

Abstract:
1. A circular polarization antenna structure with a dual-layer ceramic, comprising: a first hard dielectric body having a through hole; a first metal layer formed on a top surface of the first hard dielectric body; a grounding layer formed on a bottom surface of the first hard dielectric body; an antenna feed pin passing through the through hole of the first hard dielectric body, wherein a top side of the antenna feed pin is fixed above the first hard dielectric body and a bottom side of the antenna feed pin is extended outwards from the bottom surface of the first hard dielectric body, wherein the antenna feed pin has a protrusion formed on its top side; a second hard dielectric body disposed above the first hard dielectric body, wherein the second hard dielectric body has a groove formed on its bottom surface and corresponding to the protrusion, and the protrusion is received in the groove so that the second hard dielectric body is firmly positioned above the first hard dielectric body by matching the protrusion and the groove; a second metal layer formed on a top surface of the second hard dielectric body; and an adhesive element disposed between the first metal layer and the second hard dielectric body so that the first hard dielectric body and the second hard dielectric body are adhered to each other.