Procedure and thermometer to measure low temperatures (Machine-translation by Google Translate, not legally binding)

Procedure and thermometer to measure low temperatures. The invention describes a method for measuring low temperatures using a nis junction comprising a superconducting electrode and a normal electrode separated by an insulating layer, where the superconducting electrode follows the bcs theory, comp...

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Bibliographische Detailangaben
Hauptverfasser: VIEIRA DIAZ, SEBASTIAN, MALDONADO CID, ANA ISABEL, SUDEROW RODRIGUEZ, HERMANN
Format: Patent
Sprache:eng ; spa
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Zusammenfassung:Procedure and thermometer to measure low temperatures. The invention describes a method for measuring low temperatures using a nis junction comprising a superconducting electrode and a normal electrode separated by an insulating layer, where the superconducting electrode follows the bcs theory, comprising the following operations: applying between the superconducting electrode and the normal electrode a voltage between 0.95 δ and 1.05 δ; measuring the intensity that passes through the nis junction, the temperature being substantially proportional to said intensity; and use the polynomial function: ** image **, according to which it is possible to obtain the temperature from the measured intensity value. In addition, a thermometer that works according to this procedure is described. (Machine-translation by Google Translate, not legally binding) Procedimiento y termómetro para medir bajas temperaturas.La invención describe un procedimiento para medir bajas temperaturas empleando una unión NIS que comprende un electrodo superconductor y un electrodo normal separados por una capa aislante, donde el electrodo superconductor sigue la teoría BCS, que comprende las siguientes operaciones: aplicar entre el electrodo superconductor y el electrodo normal una tensión comprendida entre 0,95{dl} y 1,05{dl}; medir la intensidad que atraviesa la unión NIS, siendo la temperatura sustancialmente proporcional a dicha intensidad; y emplear la función polinómica:**IMAGEN**, según la cual es posible obtener la temperatura a partir del valor de intensidad medido. Además, se describe un termómetro que funciona de acuerdo con este procedimiento.