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Simple apparatus for the liquefaction of neon directly into a research dewar.

Author(s) : FRANCAVILLA T. L., SOULEN R. J. Jr, CLAASSEN J. H.

Type of article: Article

Summary

This apparatus makes use of a closed-cycle refrigerator attached to an insulated cold finger inserted into a conventional stainless steel dewar to liquefy a quantity of neon gas stored previously in a tank. Starting with a dewar holding a small coil that had not been precooled, and using a refrigerator with rated cooling capacity of 15 watt at 26 K, approximately 0.5 litre of liquid neon was condensed into the dewar in about 4 hours. The apparatus has been used to measure the critical currents of high-critical temperature oxide tape coils both with and without the application of an external magnetic field.

Details

  • Original title: Simple apparatus for the liquefaction of neon directly into a research dewar.
  • Record ID : 1994-2061
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 64 - n. 7
  • Publication date: 1993/07
  • Document available for consultation in the library of the IIR headquarters only.

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