发明名称 NARROW BEAM ANTENNAE
摘要 A method for making an antenna and the antenna itself are described. The antenna comprises a first region having a first refractive index and a second region having a negative refractive index, the second region substantially surrounding the first region, such that radiation outside the second region is reproduced in the first region.
申请公布号 US2005099348(A1) 申请公布日期 2005.05.12
申请号 US20030706586 申请日期 2003.11.12
申请人 PENDRY JOHN B. 发明人 PENDRY JOHN B.
分类号 H01Q9/04;H01Q15/00;H01Q15/02;H01Q19/06;(IPC1-7):H01Q19/06 主分类号 H01Q9/04
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