| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a coil device which achieves thickness reduction and downsizing, has sufficient electromagnetic characteristics, and is excellent in heat radiation performance.SOLUTION: A coil device 10 has a core 40 and a core presser tool 100 which presses the core 40 to the lower side in a Z axis direction. Multiple contact parts 104, which contact with an upper surface of the core 40 when viewed in the X axis direction to press the upper surface, are formed in the core presser tool 100.</p> |
