Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1985-12-30
1987-08-25
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
324319, H01F 500
Patent
active
046895914
ABSTRACT:
A magnet assembly, particularly for use in magnetic resonance imaging apparatus, comprises a number of electrical coils (1-6) arranged around and asymmetrically along an axis (8). The relative axial spacing between the coils (1-6) and the fields they generate in use is such that a substantially uniform magnetic field is generated in a homogeneous region (10), the center (11) of the homogeneous region being offset from the geometric center (12) of the assembly.
REFERENCES:
patent: 4374360 (1983-02-01), Sepponen
patent: 4490675 (1984-12-01), Knuettel et al.
patent: 4534358 (1985-08-01), Young
Harris George
Oxford Magnet Technology Limited
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