The present invention relates to a superconducting magnet for a gyrotron, comprising: an electron gun generating a hollow electron beam performing a turning movement in a magnetic field; a resonator inducing the electron beam for a millimeter wave to be generated; a collector collecting the electron beam passing through the resonator; and a vacuum window transmitting the millimeter wave generated in the resonator to the outside. According to an embodiment of the present invention, the superconducting magnet installed in the gyrotron comprises: a cooling chamber having an accommodating space therein, being composed of a hexahedral shape of an aluminum material; a refrigerator installed in a side of the cooling chamber supplying cool air to the inside of the cooling chamber; a bobbin mounted and fixated on a side of the cooling chamber, composed of an aluminum material wound by a superconducting coil; and a current lead installed in the other side of the cooling chamber, electrically connecting a current supply terminal and the superconducting coil, being accommodated in a state of bending suitable for a space between the current supply terminal and the superconducting coil, and being a flexible type.;COPYRIGHT KIPO 2015
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