| 摘要 |
PROBLEM TO BE SOLVED: To suppress deterioration in characteristics of an antenna coil.SOLUTION: An antenna coil 10 comprises: a laminated body 12 in which a plurality of first base material layers 121 having a first magnetic permeability are laminated in a predetermined lamination direction; a coil conductor 14 formed in the laminated body 12 and including a winding axis approximately parallel to the lamination direction, the entire outer peripheral part of the coil conductor 14 contacting one of the plurality of first base material layers in a planar view from the lamination direction; and at least one first magnetic layer 16 provided in the laminated body 12, formed inside the coil conductor in a planar view from the lamination direction, and having a second magnetic permeability greater than the first magnetic permeability. |
