Micro Magnets

Definition of micro magnets

Micro magnets are also known as miniature magnets. Typically, permanent magnets with dimensions below one millimeter are referred to as micro permanent magnets. In may cases, a dimension below 0.50mm is required. They can be made from neodymium magnets, samarium cobalt magnets, Alnico magnets and ceramic magnets.

Among these permanent magnet materials, neodymium magnets are most preferred due to its superior magnetic performance. However, neodymium magnets are prone to corrosion and therefore surface coating is needed. One of the challenges of manufacturing micro neodymium magnets lies in surface coating. In medical applications, special coatings such as TiN, Au, Parylene, etc. are required. Samarium Cobalt magnets are characterized by its high temperature resistance and stability. AlNiCo magnets are often chosen for its temperature stability.

micro ring magnets
micro magnets
gold-plated micro magnets
micro magnets
micro smco magnets

Applications of micro magnets

  • Medical (Implants, Catheter Navigation, etc.)
  • Sensors
  • Optical
  • Motors
  • Couplers
  • Connectors
  • Electroacoustic

About Tengye: Tengye Magnetic supplies finest permanent magnet materials and custom magnetic assemblies to world industry. We work closely with our customer from designing stage to mass production.

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