Powder core and high-frequency reactor using the same
AssigneeNEC Tokin Corporation
InventorsTeruhiko Fujiwara, Masayoshi Ishii, Yoshitaka Saito
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Abstract
A powder core is obtained by compaction-forming magnetic powder. The magnetic powder is an alloy comprising 1-10 wt % Si, 0.1-1.0 wt % O, and balance Fe. An insulator comprising SiO2 and MgO as main components is interposed between powder particles having a particle size of 150 μm or less.
Claims7
A powder core obtained by compaction-forming magnetic powder, wherein said magnetic powder is an alloy comprising 1-10 wt % Si, 0.1-1.0 wt % O, and balance Fe, an insulator comprising SiO2 and MgO as main components being interposed between magnetic powder particles having a particle size of 150 μm or less.
Dependencies are inferred from the claim text.