| 摘要 |
PROBLEM TO BE SOLVED: To reduce loss even if loop coils of a multi-coil module are overlapped with each other.SOLUTION: A multi-coil module comprises: a first coil module 2 including a first magnetic sheet 4 and a first loop coil 5 provided on the first magnetic sheet 4 and wound in the form of a sheet; and a second coil module 3 including a second magnetic sheet 6 and a second loop coil 7 provided on the second magnetic sheet 6 and wound in the from of a sheet. The first coil module 2 and the second coil module 3 are stacked, and at least a coil pattern of the first loop coil 5 at the innermost track and the second loop coil 7 are overlapped with each other. The line width of the coil pattern of the first loop coil at the innermost track, which is overlapped with the second loop coil, is 1 mm or less. |
