| 摘要 |
There is provided an antenna device capable of securing waterproof property while suppressing changes of characteristics of the core, and a manufacturing method of an antenna device. An antenna device 10 has: a core body 20 having a core 21 formed of a magnetic material, a bobbin 30 having an insertion through hole 311 in which the core body 20 is inserted, a coil 40 disposed in the vicinity of the bobbin 30, and a case 50 which covers the coil 40 in the vicinity of the bobbin 30 in a state of sealing from an outside, has an insertion hole 511 allowing the core body 20 to be inserted therein in a state of communicating with the insertion through hole 311, and retains the core body 20 inside the insertion hole 511 after the core body 20 is inserted. |
