COIL ASSEMBLY FOR A MAGNETIC RESONANCE EXAMINATION SYSTEM COMPRISING AN UNSHIELDED GRADIENT COIL

The invention relates to the field of magnet coil assemblies for magnetic resonance examination systems with the objective to minimize a voltage induced in each of the windings of a superconducting magnet 2 surrounding a gradient system. This is achieved by providing a magnet coil assembly (1) with...

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description The invention relates to the field of magnet coil assemblies for magnetic resonance examination systems with the objective to minimize a voltage induced in each of the windings of a superconducting magnet 2 surrounding a gradient system. This is achieved by providing a magnet coil assembly (1) with an unshielded gradient coil (3), wherein the unshielded gradient coil (3) has two separate compartments (4, 5), an imaging compartment (4) around an examination zone of the main magnet and at least an auxiliary compartment (5) that is offset adjacent from the imaging compartment (4) in a radial or axial direction of the main magnet (2), wherein the imaging compartment (4) and the auxiliary compartment (5) comprising coil windings (7, 8), wherein the coil windings (7, 8) are placed over the surface of the imaging compartment (4) and the auxiliary compartment (5) and are placed each at least in part along the boundary (10) between the compartments (4, 5).
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title COIL ASSEMBLY FOR A MAGNETIC RESONANCE EXAMINATION SYSTEM COMPRISING AN UNSHIELDED GRADIENT COIL
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