| 摘要 |
PROBLEM TO BE SOLVED: To provide a superconduction magnetic apparatus comprising a reliable current lead, which can be disposed in a limited space and can have necessary functions. SOLUTION: An apparatus includes inner baths 2 and 12 incorporating a superconduction coil 1 wound by a superconduction wire and a coolant for cooling the coil 1 and kept therein at an excessively low temperature, outer baths 5 and 15 housing the inner baths 2 and 12 and kept at normal temperature on their outer peripheral surfaces, and a current lead 11 at least a part of which is provided spirally between the normal temperature part of the outer baths 5 and 15 and the low temperature part of the inner baths 2 and 12. |
