Vacuum coating machine Vacuum coating machine

Industry Application

magnetic material
Due to its excellent magnetic properties and high cost performance, Nd-Fe-B permanent magnet materials have rapidly become the leader in the market of rare earth permanent magnet since its inception. Its output value accounts for 90% of the world's output value of rare earth permanent magnet materials. With the continuous improvement of preparation process and production technology, its various properties are constantly improved, and its application fields are gradually expanding.
The application amount of NdFeB permanent magnet material has become a symbol of the level of modernization, and NdFeB permanent magnet material is still a sunrise industry in rare earth material industry.
Nd-Fe-B permanent magnet is based on intermetallic compound re2fe14b. The main components are nd, Fe and B. The main rare earth element is neodymium (nd). In order to obtain different properties, it can be partially replaced by dysprosium (Dy), praseodymium (PR) and other rare earth metals. Iron can also be partially replaced by cobalt (CO), aluminum (AL) and other metals. The content of boron is small, but it plays an important role in the formation of tetragonal crystal structure intermetallic compounds, which makes the compounds have high saturation magnetization, high uniaxial anisotropy and high permeability The Curie temperature of.
Huicheng vacuum has developed equipment for deposition of TB, Dy and their alloys by magnetron sputtering. The coating thickness can reach 3-18um, which significantly improves the coercivity of NdFeB magnet and reduces the production cost.
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