Electricity: measuring and testing – Magnetic – Magnetic test structure elements
Patent
1990-03-16
1991-10-01
Wieder, Kenneth A.
Electricity: measuring and testing
Magnetic
Magnetic test structure elements
324248, 324 716, 505843, G01R 3312
Patent
active
050537075
ABSTRACT:
A head with a pick-up coil is attached to a supporter so that the head is freely movable along the direction perpendicular to the surface of a superconductor. Fluid spouted from the spout hole of the head maintains the height (gap space) of the head from the surface. The head is firmly fixed to the supporter in the direction along the surface. Since the relative position of the head in the direction along the surface of the superconductor is changable by drive means for moving the superconductor or the head, the distribution of the magnetic flux which is trapped in the superconductor is measured by scanning the surface of the superconductor with pick-up coil.
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Superconductivity Electronics, Inc., Irie, "Flux Trapping In Electrodes of Josephson Tunnel Junctions", Feb. 2, 1989, pp. 98-101.
Physical Review Letters, Matsuda, "Magnetic Field of a Single Flux Quantum by Electron-Holographic Interferometry", May 22, 1989, vol. 62, No. 21, pp. 2519-2522.
Goto Eiichi
Minami Hirofumi
Naruse Humio
Yuyama Junpei
Edmonds Warren S.
Naruse Humio
Research Development Corporation of Japan
Wieder Kenneth A.
Yuyama Junpei
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