| 摘要 |
The superconducting device has a cryogenic system to whose first refrigerant there is thermally coupled a superconducting unit and a superconducting switching path, which is electrically connected to said unit and is to be activated thermally by a heater, of a superconducting switch. A first pipeline to whose end the superconducting switching path is thermally coupled is to be connected to a refrigerant space of the superconducting unit. In order to ensure reliable heating of the switching path upon activation of the heater, the first pipeline is to have a cross sectional constriction impeding the exchange of heat with the refrigerant space. Moreover, the switching path is to be thermally coupled to a comparatively higher temperature level via a further, closed pipeline with a second refrigerant.
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