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US 2010/0301977 A1Published application
Superconducting Magnet Device
AssigneeMitsubishi Electric Corporation
InventorHajime Tanabe
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Abstract
A superconducting magnet device includes a main coil that generates a static magnetic field in an imaging space and a disturbance magnetic field compensation coil that suppresses influences of a variable magnetic field flowing inside from outside in the imaging space. The main coil is divided to at least two diode circuits. The disturbance magnetic field compensation coil has at least one coil formed of minus turns so that mutual inductances with the respective diode circuits in the main coil are made minimum.
Claims6
A superconducting magnet device, comprising:
- a main coil that generates a static magnetic field in an imaging space;
- and
- a disturbance magnetic field compensation coil that suppresses influences of a variable magnetic field flowing in from outside in the imaging space,
- wherein:
- the main coil is divided to at least two diode circuits;
- and
- the disturbance magnetic field compensation coil has at least one coil formed of minus turns that reduces mutual inductances with the respective diode circuits.
4 more elements
Dependencies are inferred from the claim text.