Design, Fabrication and Measurement of a 3 T Cryogen-Free Animal MRI Superconducting Magnet

Yaohui Wang; Hui Liu; Shunzhong Chen; Weimin Wang; Feng Liu; Qiuliang Wang

doi:10.1109/TASC.2023.3346843

Design, Fabrication and Measurement of a 3 T Cryogen-Free Animal MRI Superconducting Magnet

Yaohui Wang
, Hui Liu
, Shunzhong Chen
, Weimin Wang
, Feng Liu
, Qiuliang Wang

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

As an essential system component of a magnetic resonance imaging (MRI) instrument, the magnet offers strong and uniform magnetic field intensity, which is critical for achieving the desired image resolution. This work presents the design, fabrication, and measurement of a 3 T cryogen-free superconducting magnet for animal MRI applications. The magnet presented excellent stability, maintaining a field variation of just 0.01 ppm per hour at full strength. After passive shimming, the magnetic field homogeneity achieved around 32 ppm over an imaging sphere with a diameter of 160 mm. The success of this reliable magnet technology paves the way for its adoption in future whole-body human MRI systems.

Original language	English
Article number	4401404
Pages (from-to)	1-4
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	34
Issue number	5
DOIs	https://doi.org/10.1109/TASC.2023.3346843
State	Published - 1 Aug 2024

Keywords

Cryogen-free
magnetic field stability
MRI
passive shimming
superconducting magnet

Access to Document

10.1109/TASC.2023.3346843

Cite this

@article{58d326ab7bac4c4fbb838176dc1172b4,

title = "Design, Fabrication and Measurement of a 3 T Cryogen-Free Animal MRI Superconducting Magnet",

abstract = "As an essential system component of a magnetic resonance imaging (MRI) instrument, the magnet offers strong and uniform magnetic field intensity, which is critical for achieving the desired image resolution. This work presents the design, fabrication, and measurement of a 3 T cryogen-free superconducting magnet for animal MRI applications. The magnet presented excellent stability, maintaining a field variation of just 0.01 ppm per hour at full strength. After passive shimming, the magnetic field homogeneity achieved around 32 ppm over an imaging sphere with a diameter of 160 mm. The success of this reliable magnet technology paves the way for its adoption in future whole-body human MRI systems.",

keywords = "Cryogen-free, magnetic field stability, MRI, passive shimming, superconducting magnet",

author = "Yaohui Wang and Hui Liu and Shunzhong Chen and Weimin Wang and Feng Liu and Qiuliang Wang",

note = "Publisher Copyright: {\textcopyright} 2002-2011 IEEE.",

year = "2024",

month = aug,

day = "1",

doi = "10.1109/TASC.2023.3346843",

language = "英语",

volume = "34",

pages = "1--4",

journal = "IEEE Transactions on Applied Superconductivity",

issn = "1051-8223",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

number = "5",

}

TY - JOUR

T1 - Design, Fabrication and Measurement of a 3 T Cryogen-Free Animal MRI Superconducting Magnet

AU - Wang, Yaohui

AU - Liu, Hui

AU - Chen, Shunzhong

AU - Wang, Weimin

AU - Liu, Feng

AU - Wang, Qiuliang

PY - 2024/8/1

Y1 - 2024/8/1

N2 - As an essential system component of a magnetic resonance imaging (MRI) instrument, the magnet offers strong and uniform magnetic field intensity, which is critical for achieving the desired image resolution. This work presents the design, fabrication, and measurement of a 3 T cryogen-free superconducting magnet for animal MRI applications. The magnet presented excellent stability, maintaining a field variation of just 0.01 ppm per hour at full strength. After passive shimming, the magnetic field homogeneity achieved around 32 ppm over an imaging sphere with a diameter of 160 mm. The success of this reliable magnet technology paves the way for its adoption in future whole-body human MRI systems.

AB - As an essential system component of a magnetic resonance imaging (MRI) instrument, the magnet offers strong and uniform magnetic field intensity, which is critical for achieving the desired image resolution. This work presents the design, fabrication, and measurement of a 3 T cryogen-free superconducting magnet for animal MRI applications. The magnet presented excellent stability, maintaining a field variation of just 0.01 ppm per hour at full strength. After passive shimming, the magnetic field homogeneity achieved around 32 ppm over an imaging sphere with a diameter of 160 mm. The success of this reliable magnet technology paves the way for its adoption in future whole-body human MRI systems.

KW - Cryogen-free

KW - magnetic field stability

KW - MRI

KW - passive shimming

KW - superconducting magnet

UR - https://www.scopus.com/pages/publications/85181559929

U2 - 10.1109/TASC.2023.3346843

DO - 10.1109/TASC.2023.3346843

M3 - 文章

AN - SCOPUS:85181559929

SN - 1051-8223

VL - 34

SP - 1

EP - 4

JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

IS - 5

M1 - 4401404

ER -

Design, Fabrication and Measurement of a 3 T Cryogen-Free Animal MRI Superconducting Magnet

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this