Title :
Improvements of NRLM superconducting magnetic levitation system for absolute determination of /spl Phi//sub 0/
Author :
Shiota, F. ; Miki, Y. ; Fujii, Y. ; Morokuma, T. ; Nezu, Y.
Author_Institution :
Nat. Res. Lab. of Metrol., Ibaraki, Japan
Abstract :
The NRLM superconducting magnetic levitation system is now refining for the determination of Magnetic Flux Quantum /spl Phi//sub 0/ with small 25 g mass floating body. Recent study to investigate error sources and improvements are described in this paper.
Keywords :
constants; magnetic flux; magnetic levitation; superconducting magnets; 25 g; NRLM superconducting magnetic levitation system; absolute measurement; error; floating body; magnetic flux quantum; Current measurement; Displacement measurement; Joining processes; Magnetic confinement; Magnetic flux; Magnetic levitation; Potential energy; SQUIDs; Superconducting coils; Superconducting magnets;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1998 Conference on
Conference_Location :
Washington, DC, USA
Print_ISBN :
0-7803-5018-9
DOI :
10.1109/CPEM.1998.699884
