| 摘要 |
An antenna assembly includes a base board having upper and lower surfaces, each of which defines a grounding domain and a dielectric domain, a first metal layer disposed on the grounding domain of the lower surface and a second metal layer disposed on the grounding domain of the upper surface, an antenna unit fabricated on the dielectric domain of the upper surface of the base board, and having an antenna body; and a plurality of conductive through holes formed through the base board for connecting electrically the first and second metal layers, thereby permitting coupled current flow generated in the second metal layer to flow into the first metal layer. A slot of predetermined length is formed through the first metal layer for enhancing effective coupled current flowing into the first metal layer.
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