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Ferrite porcelain composition and coil component
The invention provides a ferrite porcelain composition with high bending strength and magnetic permeability. The ferrite porcelain composition contains Fe, Ni, Zn, Cu and Si as main components, and is formed in an amount of 27.0 to 41.0 mol% inclusive in terms of Fe as Fe2O3, in an amount of 16.0 to 24.0 mol% inclusive in terms of Ni as NiO, in an amount of 23.0 to 37.0 mol% inclusive in terms of Zn as ZnO, in an amount of 5.0 to 9.0 mol% inclusive in terms of Cu as CuO, and in an amount of 4.0 to 14.0 mol% inclusive in terms of Si as SiO2. The ferrite porcelain composition contains Bi, Co, Mn, and Cr as auxiliary components, and, with respect to 100 parts by mass of the main component, is formed in an amount of 0.3 to 1.2 parts by mass (inclusive) in terms of Bi as Bi2O3, in an amount of 0.3 to 1.2 parts by mass (inclusive) in terms of Co as Co3O4, in an amount of 0.01 to 0.25 parts by mass (inclusive) in terms of Mn as Mn2O3, and in an amount of 0.003 to 0.030 parts by mass (inclusive) in terms of Cr as Cr2O3.
本发明提供一种具有高抗弯强度和导磁率的铁氧体瓷器组合物。该铁氧体瓷器组合物包含Fe、Ni、Zn、Cu、Si作为主成分，将Fe换算为Fe2O3，形成为27.0mol％以上且41.0mol％以下，将Ni换算为NiO，形成为16.0mol％以上且24.0mol％以下，将Zn换算为ZnO，形成为23.0mol％以上且37.0mol％以下，将Cu换算为CuO，形成为5.0mol％以上且9.0mol％以下，将Si换算为SiO2，形成为4.0mol％以上且14.0mol％以下，该铁氧体瓷器组合物包含Bi、Co、Mn、Cr作为副成分，相对于所述主成分100质量份，将Bi换算为Bi2O3，形成为0.3质量份以上且1.2质量份以下，将Co换算为Co3O4，形成为0.3质量份以上且1.2质量份以下，将Mn换算为Mn2O3，形成为0.01质量份以上且0.25质量份以下，将Cr换算为Cr2O3，形成为0.003质量份以上且0.030质量份以下。
Ferrite porcelain composition and coil component
The invention provides a ferrite porcelain composition with high bending strength and magnetic permeability. The ferrite porcelain composition contains Fe, Ni, Zn, Cu and Si as main components, and is formed in an amount of 27.0 to 41.0 mol% inclusive in terms of Fe as Fe2O3, in an amount of 16.0 to 24.0 mol% inclusive in terms of Ni as NiO, in an amount of 23.0 to 37.0 mol% inclusive in terms of Zn as ZnO, in an amount of 5.0 to 9.0 mol% inclusive in terms of Cu as CuO, and in an amount of 4.0 to 14.0 mol% inclusive in terms of Si as SiO2. The ferrite porcelain composition contains Bi, Co, Mn, and Cr as auxiliary components, and, with respect to 100 parts by mass of the main component, is formed in an amount of 0.3 to 1.2 parts by mass (inclusive) in terms of Bi as Bi2O3, in an amount of 0.3 to 1.2 parts by mass (inclusive) in terms of Co as Co3O4, in an amount of 0.01 to 0.25 parts by mass (inclusive) in terms of Mn as Mn2O3, and in an amount of 0.003 to 0.030 parts by mass (inclusive) in terms of Cr as Cr2O3.
本发明提供一种具有高抗弯强度和导磁率的铁氧体瓷器组合物。该铁氧体瓷器组合物包含Fe、Ni、Zn、Cu、Si作为主成分，将Fe换算为Fe2O3，形成为27.0mol％以上且41.0mol％以下，将Ni换算为NiO，形成为16.0mol％以上且24.0mol％以下，将Zn换算为ZnO，形成为23.0mol％以上且37.0mol％以下，将Cu换算为CuO，形成为5.0mol％以上且9.0mol％以下，将Si换算为SiO2，形成为4.0mol％以上且14.0mol％以下，该铁氧体瓷器组合物包含Bi、Co、Mn、Cr作为副成分，相对于所述主成分100质量份，将Bi换算为Bi2O3，形成为0.3质量份以上且1.2质量份以下，将Co换算为Co3O4，形成为0.3质量份以上且1.2质量份以下，将Mn换算为Mn2O3，形成为0.01质量份以上且0.25质量份以下，将Cr换算为Cr2O3，形成为0.003质量份以上且0.030质量份以下。
Ferrite porcelain composition and coil component
铁氧体瓷器组合物以及线圈部件
SUGII KAZUTOSHI (author) / SAKAI TAKASHI (author)
2022-10-18
Patent
Electronic Resource
Chinese
FERRITE COMPOSITION, FERRITE SINTERED BODY, ELECTRONIC COMPONENT AND CHIP COIL
| European Patent Office | 2018