Superconducting magnet and regenerative refrigerator can be reduced in size of the apparatus and is capable reducing the evaporating amount of liquid helium. A coil portion second thermal shield 17a and a coil portion thermal shield 8a are disposed so as to enclose a coil portion helium tank 2a which contains superconducting coil 1. Further, a helium portion second thermal shield 17b and a helium reservoir portion thermal shield 8b are disposed so as to enclose a helium reservoir tank 2b which stores liquid helium 3. A coil portion second thermal shield ...
A superconducting magnet comprising: a superconducting coil; a coil portion cryogenic refrigerant tank containing said superconducting coil and storing a cryogenic refrigerant; a cryogenic refrigerant reservoir tank provided in communication with said coil portion cryogenic refrigerant tank to supply said cryogenic refrigerant to said coil portion cryogenic refrigerant tank; a refrigerant reservoir portion thermal shield enclosing said cryogenic refrigerant reservoir tank; a coil portion thermal shield enclosing said coil portion cryogenic refrigerant ta...
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