New type of high temperature superconducting magnet.(Toshiba Corporation, Sumitomo Electric Industries Ltd.)(Brief Article)

Japanese High Energy Efficiency & Clean Energy Technologies, December, 2001

Toshiba Corporation, Sumitomo Electric Industries Ltd. and Shinetsu

Semiconductor Co. Ltd. have jointly developed a high temperature superconducting magnet featuring a storage energy of 1,100kJ and coil centre magnetic field of 1 .5T.

This supermagnet is a by-product of a program designed to develop superconducting magnets for use in silicon monocrystal draw-up systems and enables superconducting magnets to be conveniently used in cooling systems without having to employ a cryogenic refrigerator.

Compared with the conventional type of liquefied helium cooling systems, it is now possible to build a high temperature superconducting magnetic system that is workable with a power consumption of just 3 k W, one Third, with respect to what has...

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