Invention Grant
US07825663B2 Gradient coil, magnetic resonance imaging apparatus and gradient coil manufacturing method 有权
梯度线圈,磁共振成像装置和梯度线圈制造方法

Gradient coil, magnetic resonance imaging apparatus and gradient coil manufacturing method
Abstract:
Provided is a gradient coil capable of suppressing generation of an unnecessary magnetic field component while ensuring the readiness of conducting wire winding work. The gradient coil includes a cylindrical bobbin round which the conducting wire is wound; and a winding part formed by winding the conducting wire round the bobbin by a plurality of turns, wherein the winding part has a first winding part in which the conducting wire is wound round the bobbin orthogonal to the axis of the bobbin in a circumferential direction of the bobbin and a second winding part in which the conducting wire is spirally wound round the bobbin, skewing relative to the axis of the bobbin in the circumferential direction of the bobbin.
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