SUPERCONDUCTING MAGNET DEVICE FOR SINGLE CRYSTAL PULLING APPARATUS

A superconducting magnet device for a single crystal pulling apparatus is arranged outside a pulling furnace containing a crucible for melting a single crystal material therein so as to apply a magnetic field to the melted single crystal material. The superconducting magnet device for a single cryst...

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Bibliographic Details
Main Authors USHIJIMA MAKOTO, OTA TOMOKO, TAKAMI SHOHEI, NAGAMOTO YOSHIFUMI, SHIMONOSONO TSUTOMU, MINEMOTO YUUJI
Format Patent
LanguageEnglish
Published 31.03.2011
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:A superconducting magnet device for a single crystal pulling apparatus is arranged outside a pulling furnace containing a crucible for melting a single crystal material therein so as to apply a magnetic field to the melted single crystal material. The superconducting magnet device for a single crystal pulling apparatus includes a cryostat containing a superconducting coil therein, and a refrigerator port arranged on the outer circumferential surface of the cryostat and provided with a cryogenic refrigerator that cools the superconducting coil. The cryogenic refrigerator is provided in a region of the outer surface region of the cryostat at which the intensity of the magnetic field generated by the superconducting coil is weak.
Bibliography:Application Number: US20090994838