DocumentCode
2181556
Title
Progress in absolute determination of /spl Phi//sub 0/ using superconducting magnetic levitation
Author
Shiota, F. ; Miki, Y. ; Namba, A. ; Nezu, Y. ; Sakamoto, Y. ; Morokuma, T. ; Hara, K.
Author_Institution
Nat. Res. Lab. of Metrol., Ibaraki, Japan
fYear
1994
fDate
June 27 1994-July 1 1994
Firstpage
532
Lastpage
533
Abstract
Superconducting magnetic levitation system for the determination of magnetic flux quantum has been improved significantly in flux-up system using Josephson voltage. Studies are also in progress to improve mechanical measurement relevant to the floating body toward sub-ppm level uncertainty.<>
Keywords
Josephson effect; constants; magnetic flux; magnetic levitation; magnetic variables measurement; Josephson voltage; floating body; magnetic flux quantum; mechanical measurement; quantised Hall resistance; sub-ppm level uncertainty; superconducting magnetic levitation; vertical displacement; Coils; Electric resistance; Immune system; Laboratories; Magnetic flux; Magnetic levitation; Potential energy; Resistors; Uncertainty; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements, 1994. Digest., 1994 Conference on
Conference_Location
Boulder, CO, USA
Print_ISBN
0-7803-1984-2
Type
conf
DOI
10.1109/CPEM.1994.333179
Filename
333179
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