Superconducting magnet and magnetic resonance imaging apparatus

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type

Reexamination Certificate

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Details

C324S318000, C324S320000, C062S051100

Reexamination Certificate

active

07928820

ABSTRACT:
In a superconducting magnet, including a vacuum vessel, a coil vessel inside the vacuum vessel, and a superconducting coil inside the coil vessel for generating a magnetic field, has a magnetic member, disposed inside the vacuum vessel, supported with thermal insulation, for compensating the magnetic field; a heat exchange device disposed outside the vacuum vessel for supplying to or absorbing heat from the vacuum vessel; and thermal conducting members thermally connecting the heat exchange device via the vacuum vessel to the magnetic member. An MRI including the superconducting magnet is also disclosed.

REFERENCES:
patent: 6100780 (2000-08-01), Dorri et al.
patent: 6864770 (2005-03-01), Nemoto et al.
patent: 7126448 (2006-10-01), Watanabe et al.
patent: 2008/0024254 (2008-01-01), Chiba et al.
patent: 2008/0191697 (2008-08-01), Chiba et al.
patent: 10-097917 (1998-04-01), None
patent: 2001-224571 (2001-08-01), None
patent: 2005-144132 (2005-06-01), None

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