| 摘要 |
PROBLEM TO BE SOLVED: To provide a primary radiator, antenna, and manufacturing method for the antenna, capable of reducing cost while keeping its radio wave transmission characteristics.SOLUTION: A primary radiator, used in an antenna including a reflection part having a curved reflection surface and a first waveguide, includes a radiation part, and a second waveguide connected between the radiation part and the first waveguide. A connection part of the first waveguide and the second wave guide locates at a reflection surface side of the reflection part, and the first waveguide penetrates the reflection part.SELECTED DRAWING: Figure 1 |
