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Helbeck Array Permanent Magnet
Halbach Array is a kind of magnet structure, which is an approximate ideal structure in engineering. The goal is to generate the strongest magnetic field with the smallest number of magnets. In 1979, American scholar Klaus Halbach discovered this special permanent magnet structure when doing electron acceleration experiments, and gradually perfected this structure, eventually forming the so-called "Halbach" magnet.
Halbach magnetic ring
Halbach magnetic ring combines the radial and parallel arrangement of magnets. If the end effect is ignored and the magnetic permeability of the surrounding magnetic conductive material is regarded as infinity, then the permanent magnet structure will eventually form a one-sided field, which is an obvious characteristic of Halbach.
Different array modes can form different combined magnetic rings:
Type b magnetic ring H201
Overall dimension φ 60 * 50 mm inner diameter φ Φ20mm weight 1(Kg) 12 sector magnetic blocks, each with different magnetizing directions, arranged in Halbch annular array;The central magnetic field strength is 1.04 (t);The uniformity is 0.5% in the axial direction and 0.5% in the radial direction within the range of φ 6 * 6mm in the magnetic field center.