| 摘要 |
With the object of reducing the size, without degrading the electric characteristics, a first coil 21 and a second coil 23 that are helically wound are provided, and a connection member 22 is provided which is obtained by bending the upper end portion of the first coil 21 downward and passing it inside the first coil 21 substantially along the central axis of the first coil 21. The lower end portion of the connection member 22 is connected to the upper end of the second coil 23, and power is supplied from a feeder 24 to the lower end portion of the second coil 23.
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