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PREPARATION AND CALIBRATION OF THE NBS SRM 767: A SUPERCONDUCTIVE TEMPERATURE FIXED POINT DEVICE.

Author(s) : SCHOOLEY J. F., EVANS G. A. Jr

Type of article: Article

Summary

MORE THAN 100 CRYOGENIC-TEMPERATURE REFERENCE-POINT DEVICES BASED UPON THE REPRODUCIBLE SUPERCONDUCTIVE TRANSITION TEMPERATURES OF FIVE ELEMENTS HAVE BEEN DISTRIBUTED THROUGH THE OFFICE OF STANDARD REFERENCE MATERIALS AS SRM 767. THE FIXED-POINT TEMPERATURES OF THE DEVICE HAVE BEEN NOTED AS REFERENCE TEMPERATURES OF THE PROVISIONAL TEMPERATURE SCALE 0.5 TO 30 K. THE METHODS OF PREPARATION OF THE DEVICE, THE PROCEDURES FOR ITS CALIBRATION, AND A SUMMARY OF THE RESULTS OF THE CALIBRATION EXPERIMENTS ARE BRIEFLY PRESENTED. SUGGESTIONS ARE OFFERED FOR VERIFICATION OF THE DEVICE TEMPERATURES AND FOR IMPROVEMENTS IN THE DEVICE PERFORMANCE.

Details

  • Original title: PREPARATION AND CALIBRATION OF THE NBS SRM 767: A SUPERCONDUCTIVE TEMPERATURE FIXED POINT DEVICE.
  • Record ID : 1981-0027
  • Languages: English
  • Source: Cryogenics - vol. 20 - n. 4
  • Publication date: 1980/04

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