| 摘要 |
A gradient coil system for a magnetic resonance imaging apparatus is described which has a capability of high-speed switching and high intensity for a certain pulse sequence, for example, a rapid imaging or an angiographic imaging. The gradient coil system comprises multiple coil elements which reduce a load of a gradient amplifier. Each of the coil patterns of the coil elements is formed on an individual substrate and the coil elements are radially superposed. This enables each coil turn to be wide and thin.
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