| 摘要 |
An antenna according to the present invention is provided with: a first conductor layer which comprises a first split ring extending in a substantially C-shape to surround a first opening with a first split part formed at a portion in the circumferential direction; a second conductor layer which comprises a second split ring arranged to be opposed to the first split ring and extending in a substantially C-shape to surround a second opening with a second split part formed at a portion in the circumferential direction; a plurality of conductor vias provided on each of the first split ring and the second split ring at intervals in the circumferential direction to electrically connect the first split ring and the second split ring; and a power feed line provided on a conductor layer different from the first conductor layer, and comprising first end electrically connected to at least one of the plurality of conductor vias and a second end extending over the first and second openings to an area opposing to the first split ring. |
