| abstract |
PROBLEM TO BE SOLVED: To suppress deterioration of characteristics due to antenna interference in an antenna device in which a plurality of antennas are installed close to each other. An antenna device 1 includes an antenna substrate 21 including a separator 23 and solid electrolyte layers 24a and 24b formed on both sides of the separator 23, an antenna pattern 22a formed on the solid electrolyte 24a, and a solid electrolyte. And an antenna pattern 22b formed on the layer 24b. The antenna patterns 22a and 22b are made of conductive plastic. When a DC voltage is applied between the antenna patterns 22a and 22b, one of the antenna patterns 22a and 22b can be doped with ions, and the other can be dedoped. That is, one of the antenna patterns 22a and 22b can be a conductor and the other can be an insulator. [Selection] Figure 8 |