| 摘要 |
PROBLEM TO BE SOLVED: To improve long-time reliability of a superconducting device by preventing droplets or frost from adhering to the surface of current leads of the superconducting device. SOLUTION: The superconducting device has: a superconducting element (coil) 11 to be cooled to an extreme low temperature environment; a low-temperature container 40 for housing the superconducting element 11; a freezer 16 for cooling the interior of the low-temperature container 40; current leads 18a, 18b connected to the superconducting element 11 through the wall of the low-temperature container 40; and an insulating terminal 19 disposed so as to intervene between the wall of the low-temperature container 40 and the current leads 18a, 18b. The freezer 16 has an air cooling heat sink 22 arranged outside the low-temperature container 40, and is arranged so that the air heated by the air cooling heat sink 22 can heat the current lead room temperature ends 118a, 118b of the current leads 18a, 18b which are provided outside the low-temperature container 40. COPYRIGHT: (C)2010,JPO&INPIT |
