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Crafting Halbach Arrays for Peak Performance Magnetic Systems

Discover our exceptional manufacturing capabilities as we delve into the intricacies of crafting Halbach Arrays, ensuring optimal performance and efficiency in a variety of advanced magnetic systems applications.

Introduction of Halbach Array

Halbach array is a special arrangement of permanent magnets which enhances the magnetic field on one side while weakening on the other side. The principle was first invented by James (Jim) M. Winey at Magnepan in 1970. 

However, it was Klaus Halbach (a German) who designed the Halbach while he was at Berkeley Lab. Although Mr Halbach is very successful as a particle accelerator designer, he is best known for his work on magnetic systems for particle accelerators. During the 1980s, he invented this special magnet arrangement which was used to focus electron beams of accelerators.

Klaus Halbach image

Applications of Halbach Array Assemblies

Halbach assemblies have found extensive use in a wide range of industries, thanks to their unique magnetic field properties that enhance their performance capabilities. Examples include:

  • Magnetic levitation systems
  • Magnetic resonance imaging (MRI) machines
  • Particle accelerators
  • Electric motors and generators
  • Aerospace and defense technologies

Ensuring Compliance: Halbach Assemblies with Hitachi Licensed Magnets

To circumvent potential legal disputes, companies selling products containing NdFeB magnets in North America or Japan typically mandate the use of Hitachi licensed neodymium magnets in their assemblies. In China, there are a total of Hitachi authorized NdFeB manufacturers. Thanks to our strategic partnerships with some of these authorized manufacturers, we can efficiently source licensed magnets, even in low volumes, and provide Halbach assemblies that comply with local regulations.

Customized Halbach Assemblies Crafted at Tengye Magnetic

Customers frequently require more intricate designs for circular Halbach assemblies, resulting in the majority of Halbach arrays being custom-made according to the client’s specifications. At Tengye, we have extensive experience in designing and manufacturing Halbach assemblies with aluminum or copper casings using NdFeB or Samarium-Cobalt. With two decades of expertise under our belt, we possess the knowledge and skills to assemble magnets with precision and efficiency, ensuring optimal performance and customer satisfaction.

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Jonah Jin

Jonah Jin
Managing Director

Every customer deserves to be treated professionally and responsively.