| 摘要 |
PURPOSE:To manufacture a compact superconducting magnet device exhibiting excellent performances by a method wherein a superconductive coil is self-contained in a space adiabatically expanding the gas inside the cylinder of a heat regenerating refrigerator while an insulation sealed electrode is taken out so as to directly cool down the superconducting coil using the refrigerator actuating gas. CONSTITUTION:A superconducting coil 21 is self-contained inside a cylinder 26 reciprocating a displacer 25 containing a heat regenerating material 27. Besides, an electrode 23 for conduction is protrusively provided out of the semiconducting coil 21 passing through a part of the cylinder 26 to be led out of the cylinder 26 after it is electrically insulation-sealed. Furthermore, a magnetic field generating space 29 is allotted in the superconducting coil 21. On the other hand, an adiabatic expansion chamber 28 is located on the position held by the displacer 25 and the superconductive coil 21. Through these procedures, the title super conductive magnet device can function as a magnetic field generating device capable of stably sustaining the superconducting state for shorter initial cooling down time at lower attaining temperature. |
