| 摘要 |
A planar antenna device (1) is provided with an upper flat board (12), a ground board (13), a short-circuiting section (14), and a power feed conductor (15). The upper flat board (12) is a conductor formed in a board shape. The ground board (13) is a conductor formed in a board shape, and is disposed to face the upper flat board (12) with a space therebetween. The short-circuiting section (14) is a conductor disposed between the upper flat board (12) and the ground board (13), said short-circuiting section having a through hole (21) formed therein for the purpose of housing an electronic component (41) inside, and being connected to both the upper flat board (12) and the ground board (13). The power feed conductor (15) is a conductor, which extends toward the outside of the short-circuiting section (14)from the electronic component (41) without being electrically connected to the short-circuiting section (14) and the upper flat board (12), said electronic component being disposed inside of the short-circuiting section (14), and which is electrically connected to the ground board (13) by further extending between the upper flat board (12) and the ground board (13) from the outside of the short-circuiting section (14) without being electrically connected to the upper flat board (12). |
