Patent Number: 6,332,324

Title: Cryostat and magnetism measurement apparatus using the cryostat

Abstract: Coolant (3) whose boiling point is higher than the temperature of cooled SQUID elements (2) as cooled objects is poured into an inner container (37) for containing SQUID elements. The SQUID elements (2) are soaked in the coolant (3). Before the inner container (37) for containing SQUID elements is used, the coolant (3) is cooled and solidified by a refrigerator (7).

Inventors: Saho; Norihide (Tsuchiura, JP), Isogami; Hisashi (Ushiku, JP), Morita; Minoru (Chiyoda-machi, JP)

Assignee: Hitachi, Ltd.

International Classification: F17C 13/00 (20060101); F17C 3/00 (20060101); F17C 3/02 (20060101); F25B 25/00 (20060101); G01R 33/035 (20060101); F25B 9/14 (20060101); F25D 16/00 (20060101); F25B 019/00 ()

Expiration Date: 12/25/2018