Progress of the 9.4-T Whole-Body MRI Superconducting Coils Manufacturing

被引：8

作者：

Cheng, Junsheng ^{[1
]}

Li, Lankai ^{[1
]}

Wang, Hui ^{[1
]}

Li, Yi ^{[1
]}

Sun, Wanshuo ^{[1
]}

Chen, Shunzhong ^{[1
]}

Zhao, Baozhi ^{[1
]}

Zhu, Xucheng ^{[1
]}

Wang, Lei ^{[1
]}

Dai, Yinming ^{[1
]}

Yan, Luguang ^{[2
]}

Wang, Qiuliang ^{[2
]}

机构：

[1] Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2018年 / 28卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Magnetic resonance imaging (MRI); niobium titanium alloy; superconducting coil;

D O I：

10.1109/TASC.2018.2817262

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The 9.4-T whole-body MRI superconducting magnet system is under manufacturing in the Institute of Electrical Engineering, Chinese Academy of Sciences (IEE CAS), which is used for the high-resolution imaging on human brain and metabolism. The superconducting magnet system with a warm bore of 800 mm is designed, which has the field homogeneity in a DSV of 400 mm better than 5 ppm after superconducting shimmed. In this paper, the magnet structure and superconducting coils manufacture process are introduced. The progress of wet winding and assembling of the magnet is presented. The optimized superconducting jointing technology is reported. During the coils manufacturing procedure, both the electrical insulation performance and the dimensional precision of the coils are controlled.

引用

页数：5

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