Patents Assigned to Grirem (Rongcheng) Co., Ltd.
  • Patent number: 11802326
    Abstract: An anisotropic bonded magnet and a preparation method thereof are provided. By stacking magnets having different magnetic properties and/or densities, the magnets in the middle have high properties and the magnets at two ends and/or the periphery have low properties, thereby compensating for a property deviation caused by a difference in pressing densities during a pressing process, and improving the property uniformity of the magnets in an axial direction. The method solves the problem of “low in the middle and high at two ends” caused by the phenomenon of non-uniform magnetic field orientation and density along a height direction during orientation and densification.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: October 31, 2023
    Assignees: GRIREM HI-TECH CO., LTD., GRIREM ADVANCED MATERIALS CO., LTD., Grirem (Rongcheng) Co., Ltd.
    Inventors: Yang Luo, Yuanfei Yang, Zilong Wang, Dunbo Yu, Hongbin Zhang, Jiajun Xie, Zhou Hu, Zhongkai Wang