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Magnetic Patterning of Permanent-Magnet Rotors for Microscale Motor/Generators
[report]
2005
unpublished
Preserved Fulltext
We present and characterize a process to pattern magnetic poles on small permanent-magnet (PM) rotors used in microscale, axial-flux, PM machines. Unlike other previously reported approaches, this approach uses a ferromagnetic magnetizing head (MH) and an externally applied magnetic field, and it offers the potential for moderate scalability and batch-magnetization of multiple parts. The process is verified using 8-pole annular PM rotors with thicknesses of 500 µm and 9.5 mm outer diameters.
doi:10.21236/ada463729
fatcat:gdnsryeijzbvpb4vsoqwoftlfy