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At least 469 records · Page 26

Superconducting switch permits measurement of small voltages at cryogenic temperatures

Dual-coil, superconducting, on-off switch measures small, thermoelectrically generated voltages produced by thermocouples in a liquid helium bath. Placed in a shunt configuration between the thermocouple and the measuring device, the measuring device sees the sum of the voltage to be measured and the spurious thermoelectric voltages.

Govednik, R. E.↗

Rectangular configuration improves superconducting cable

Superconducting cable for a cryogenic electromagnet with improved mechanical and thermal properties consists of a rectangular cross-sectioned combination of superconductor and normal conductor. The conductor cable has superconductors embedded in a metallic coating with high electrical and mechanical conductivity at liquid helium temperatures.

Foss, M.↗

Superconductive thin film makes convenient liquid helium level sensor

Sensor consisting of superconductive film mounted on a dipstick measures the level of liquid helium in a Dewar flask. The sensor is made by depositing a thin film of niobium metal to a thickness of 2000 angstroms on a quartz substrate, which is then mounted on a graduated dipstick.

Becker, H. H.↗

Superconduction thin films

Superconduction thin films, and properties and applications of Josephson effect at radio frequencies

Kamper, R. A.↗