发明名称 |
FERRITE SINTERED BODY, FERRITE SINTERED PLATE, AND FERRITE SINTERED SHEET |
摘要 |
An object or technical task of the present invention is to provide a ferrite sintered sheet having a dense ferrite microfine structure which has a large µ ' value, a small µ " value, and a small temperature-dependent change of the µ ' value thereof. The present invention relates to a ferrite ceramics having a composition comprising 47.5 to 49.8 mol% of Fe 2 O 3 , 13.5 to 19.5 mol% of NiO, 21 to 27 mol% of ZnO, 7.5 to 12.5 mol% of CuO and 0.2 to 0.8 mol% of CoO, all of the molar amounts being calculated in terms of the respective oxides, the ferrite ceramics further comprising 0.2 to 1.4% by weight of SnO 2 and 0.005 to 0.03% by weight of S and having a density of 5.05 to 5.30 g/cm 3 ; and a ferrite sintered sheet comprising the ferrite sintered plate on a surface of which a groove or grooves are formed, and an adhesive layer and/or a protective layer formed on the ferrite sintered plate. |
申请公布号 |
EP3064481(A1) |
申请公布日期 |
2016.09.07 |
申请号 |
EP20140858963 |
申请日期 |
2014.10.30 |
申请人 |
TODA KOGYO CORPORATION |
发明人 |
OKANO, YOJI;DOTE, TOMOHIRO;SADAI, MAKOTO;HONDA, SHINGO;NAKAI, KATSUMI;FUJII, YASUHIKO |
分类号 |
C04B35/30;H01F1/34 |
主分类号 |
C04B35/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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