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Calibration of Germanium Resistors at Low Temperatures (2–20° Kelvin)

Authors
  • Cataland, G.
  • Plumb, H. H.
Type
Published Article
Journal
Journal of Research of the National Bureau of Standards. Section A, Physics and Chemistry
Publisher
National Institute of Standards and Technology
Publication Date
Jan 01, 1966
Volume
70A
Issue
3
Pages
243–252
Identifiers
DOI: 10.6028/jres.070A.021
PMID: 31823994
PMCID: PMC6687596
Source
PubMed Central
Keywords
License
Unknown

Abstract

Two germanium resistors, C and D, have been referenced to values of temperature determined by the NBS acoustical thermometer. The resistance-temperature calibration data for these resistors have been fitted to a function of the form R = ∑ n = 0 m A n ( log 10 T ) n and the results are presented. The resistors C and D that are used as secondary standards maintain the scale, NBS Provisional Scale 2 – 20 (1965), to which public calibrations of germanium thermometers are referenced. The calibration apparatus and measurement techniques that are employed in calibrating submitted resistors are described in detail. Additionally, data of three typical calibrations and their treatment by polynomial fitting are included to demonstrate the characteristics of some commercially available germanium resistors.

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