DUST CORE |
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| 申请号 | US15913964 | 申请日 | 2018-03-07 | 公开(公告)号 | US20180261364A1 | 公开(公告)日 | 2018-09-13 |
| 申请人 | TDK CORPORATION; | 发明人 | Yousuke FUTAMATA; Ryoma NAKAZAWA; Takeshi TAKAHASHI; Junichi SHIMAMURA; | ||||
| 摘要 | A dust core includes a metal magnetic material, a resin, an insulation film, and an intermediate layer. The insulation film covers the metal magnetic material. The intermediate layer exists between the insulation film and the metal magnetic material and contacts therebetween. The metal magnetic material includes 85 to 99.5 wt % of Fe, 0.5 to 10 wt % of Si, and 0 to 5 wt % of other elements, with respect to 100 wt % of the entire metal magnetic material. The intermediate layer includes a Fe—Si—O based oxide. The insulation film includes a Si—O based oxide. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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