| 摘要 |
A superconducting device including a superconducting coil is suitable for use in a nuclear magnetic resonance computer tomography apparatus which requires a highly-uniform, highly-stable magnetostatic field. However, a serious problem arises when a large-sized superconducting coil is to be installed in a small room of a hospital or the like. A superconducting device capable of solving this problem is disclosed in which a very low temperature vessel having the form of a cylinder contains a superconducting coil in a state that the superconducting coil is immersed in a very low temperature coolant, and very low temperature coolant inlet port communicating the very low temperature vessel for introducing the very low temperature coolant into the very low temperature vessel is provided along a radial direction perpendicular to the horizontal center axis of the superconducting device and inclined at a desired angle with a vertical direction. The above superconducting device can be installed in a small room of a hospital, and makes easy a very low temperature coolant introducing operation. |
