Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1994-10-07
1996-08-06
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
H01F 100
Patent
active
055437680
ABSTRACT:
A composite magnet comprising a core of R-Ba-Cu-O type bulk superconductor (R denotes rare-earth elements) made by melt process, enclosed around it with normal conductive or superconductive coil, or a composite magnet including a center of normal conductive or superconductive coil, enclosed around it with ring-shaped R-Ba-Cu-O type bulk superconductor (R denotes rare-earth elements) made by melt process is disclosed, which allows easy control of generating magnetic field and gives a relatively strong magnetic field even at a temperature as high as that of liquid nitrogen.
REFERENCES:
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Patent Abstracts of Japan, vol. 17, No. 322 (N-1432), Jun. 18, 1993, JP-A-05 033827, Feb. 9, 1993.
Patent Abstracts of Japan, vol. 16, No. 172 (C-0933), Apr. 24, 1992, JP-A-04 016510, Jan. 21, 1992.
Cryogenics, vol. 30, Sep. 1990, L. Z. Lin, et al., "High Field Superconducting Magnet Design with High Tc Oxide Superconductors", pp. 951-955.
Japanese Journal of Applied Physics, vol. 27, No. 6, Jun. 1988, pp. L1120-L1122, Takeo Hattori, et al., "Magnetic Shielding Using High-Tc Superconductor".
IEEE Translation Journal of Magnetics in Japan, vol. 6, No. 7, Jul. 1991, T. Uchiyama, et al., "Nonlinear Inductance of High Tc Superconducting Magnetic Core and Its Application to Quick Response Magnetic Sensors", pp. 604-613.
Murakami Masato
Sakai Naomichi
Takaichi Hiroshi
Tanaka Shoji
Barrera Raymond M.
International Superconductivity Technology Center
Picard Leo P.
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