| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic coil device capable of improving thermal shock resistance or heat resistance while integrally constituting a coil and yoke. SOLUTION: This magnetic coil device is provided with the annularly wound coil 1, the yoke 4 having a coil storing groove 3 for storing the coil 1, and molding resin 5 filled in the coil storing groove 3 of the yoke 4 and integrally constituting the coil 1 and the yoke 4. The coefficient of linear expansion of the molding resin 5 is within 15 to 32×10<SP>-6</SP>/K. In addition, the thermal conductivity of the molding resin 5 exceeds 0.5 W/(m K). COPYRIGHT: (C)2006,JPO&NCIPI
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