Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1993-10-19
1997-04-29
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
335300, 335210, 62 511, 505211, H01F 100
Patent
active
056253311
ABSTRACT:
A superconducting deflection electromagnet apparatus for deflecting an electron beam includes a liquid helium reservoir 21 disposed outside of the magnetic shield 11 surrounding the cryostat 4 accommodating the upper and lower liquid helium containers 2 in which coil assemblies 1, 31, 32 are disposed. Preferably, the upper and lower liquid helium containers 2 are supported from the cryostat 4 by means of the thermally insulating support members 5, 6 and 8 whose positions are adjustable by means of the threaded projections 5a, 6a and 8a and the nuts 52, 53, 62, 63, 82, 83 engaging therewith. The nuts secure the respective thermally insulating support members to the cap-shaped fixing members 44, 47, 49 attached to the extensions 43, 45, 49 of the cryostat 4.
REFERENCES:
patent: 4599592 (1986-07-01), Marsing
patent: 4737727 (1988-04-01), Yamada et al.
patent: 4783628 (1988-11-01), Huson
patent: 4783634 (1988-11-01), Yamamoto et al.
patent: 5117212 (1992-05-01), Yamamoto
Physik in unserer zeit, /16. Jahrg. 1985/Nr. 5.
Nuclear Instruments and Methods in Physics Research pp. 105-113.
Abstract zur JP 4-71 199.
Abstract zur JP 3-30 298.
Kawaguchi Takeo
Kodera Ituo
Matuda Tetuya
Nakamura Shirou
Takeuchi Toshie
Donovan Lincoln
Mitsubishi Denki & Kabushiki Kaisha
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