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Uneven distribution of magnetic flux in a conventional magnetic core limits improvement of power density of the magnetic component. By making a magnetic core comprising materials with different permeabilities, henceforth called multi-permeability core, a more uniform flux distribution can be achieved without complex configuration and geometry of the core and winding. In this work, we designed a three-ring...
For ease of fabricating and integrating ferrite magnetic components in power electronics circuits to improve the power density and efficiency, we explored a paste-extrusion additive manufacturing method to fabricate ferrite core and conductive winding in a single platform. A UV-sensitive low-temperature (< 950 °C) sinterable NiCuZn ferrite paste formulated by ourselves as well as a commercial nanosilver...
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