Northwestern Institute of Superconducting Wire Manufacturing Technology Breaks Foreign Monopoly



On May 31, a special report of Xi'an TV Station, the Northwest Institute of Nonferrous Metals recently won the Shaanxi Provincial Science and Technology Award for the topic "High-performance superconducting magnetic wire for superconducting magnetic resonance imaging instruments." The project was completed by the project team of Zhang Pingxiang, the president of Northwestern University. The research technology has filled the domestic gap and reached the international leading level, breaking the monopoly of developed countries in this field.
Superconducting magnetic resonance imaging is one of the most important means of modern medical imaging diagnosis. However, the manufacturing technology of high dimensional accuracy and high stability of superconducting wire has long been monopolized by developed countries, which seriously restricts the popularization and industrialization of our country. After more than ten years of hard work, the Northwestern Hospital broke through the core technology of superconducting wire rod for superconducting nuclear magnetic resonance imager, solved the problems of high-uniform alloy melting, conductor structure design, high dimensional precision wire processing, and developed the first in the country. Root has a completely independent intellectual property rights for nuclear magnetic resonance imager with superconducting wire.
On this basis, the Northwestern Superconductor of the Northwest Institute of Science and Technology further developed its technological research and realized the mass production of yttrium-titanium-titanium superconducting wires for superconducting nuclear magnetic resonance imaging instruments. It has built China's first nuclear magnetic resonance imager with an annual production capacity of 400 tons. Superconducting wire production line, related products have been supplied to the world's major medical imaging equipment suppliers such as GE, Siemens Germany, and applied to the research and development of domestic superconducting nuclear magnetic resonance imager systems such as Institute of Electrical Engineering of the Chinese Academy of Sciences and Ningbo Jianxin.

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