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A platform for research: civil engineering, architecture and urbanism
GRANULATED POWDER FOR NiCuZn-BASED FERRITE AND NiCuZn-BASED FERRITE
To provide a NiCuZn-based ferrite that has a μof 500 or more near at 10 kHz and a small change in initial magnetic permeability with respect to temperature.SOLUTION: Provided is a NiCuZn-based ferrite, in which the fundamental components of NiCuZn-based ferrite consist of Fe oxide, Zn oxide, Ni oxide and Cu oxide, and, in terms of composition ratio in the fundamental components, Fe oxide: 48.2 to 50.0 mol% in terms of FeOconversion, Zn oxide: 23.0 to 34.0 mol% in terms of ZnO conversion, Ni oxide: 11.0 to 22.0 mol% in terms of NiO conversion, and Cu oxide: 3.0 to 7.0 mol% in terms of CuO conversion, and the accessory component of NiCuZn-based ferrite consists of Li oxide, and Li oxide: in terms of LiO conversion, 150 to 1250 mass ppm for the total mass of NiCuZn-based ferrite.SELECTED DRAWING: Figure 1
【課題】１０ｋＨｚ付近でμiが５００以上で、かつ温度に対する初透磁率の変化が小さいＮｉＣｕＺｎ系フェライトを提案する。【解決手段】ＮｉＣｕＺｎ系フェライトの基本成分がＦｅ酸化物、Ｚｎ酸化物、Ｎｉ酸化物およびＣｕ酸化物からなり、基本成分中の組成比で、Ｆｅ酸化物：Ｆｅ2Ｏ3換算で４８．２〜５０．０ｍｏｌ％、Ｚｎ酸化物：ＺｎＯ換算で２３．０〜３４．０ｍｏｌ％、Ｎｉ酸化物：ＮｉＯ換算で１１．０〜２２．０ｍｏｌ％、およびＣｕ酸化物：ＣｕＯ換算で３．０〜７．０ｍｏｌ％とし、ＮｉＣｕＺｎ系フェライトの副成分がＬｉ酸化物からなり、Ｌｉ酸化物：Ｌｉ2Ｏ換算で、ＮｉＣｕＺｎ系フェライトの総質量に対して１５０〜１２５０質量ｐｐｍとする。【選択図】図１
GRANULATED POWDER FOR NiCuZn-BASED FERRITE AND NiCuZn-BASED FERRITE
To provide a NiCuZn-based ferrite that has a μof 500 or more near at 10 kHz and a small change in initial magnetic permeability with respect to temperature.SOLUTION: Provided is a NiCuZn-based ferrite, in which the fundamental components of NiCuZn-based ferrite consist of Fe oxide, Zn oxide, Ni oxide and Cu oxide, and, in terms of composition ratio in the fundamental components, Fe oxide: 48.2 to 50.0 mol% in terms of FeOconversion, Zn oxide: 23.0 to 34.0 mol% in terms of ZnO conversion, Ni oxide: 11.0 to 22.0 mol% in terms of NiO conversion, and Cu oxide: 3.0 to 7.0 mol% in terms of CuO conversion, and the accessory component of NiCuZn-based ferrite consists of Li oxide, and Li oxide: in terms of LiO conversion, 150 to 1250 mass ppm for the total mass of NiCuZn-based ferrite.SELECTED DRAWING: Figure 1
【課題】１０ｋＨｚ付近でμiが５００以上で、かつ温度に対する初透磁率の変化が小さいＮｉＣｕＺｎ系フェライトを提案する。【解決手段】ＮｉＣｕＺｎ系フェライトの基本成分がＦｅ酸化物、Ｚｎ酸化物、Ｎｉ酸化物およびＣｕ酸化物からなり、基本成分中の組成比で、Ｆｅ酸化物：Ｆｅ2Ｏ3換算で４８．２〜５０．０ｍｏｌ％、Ｚｎ酸化物：ＺｎＯ換算で２３．０〜３４．０ｍｏｌ％、Ｎｉ酸化物：ＮｉＯ換算で１１．０〜２２．０ｍｏｌ％、およびＣｕ酸化物：ＣｕＯ換算で３．０〜７．０ｍｏｌ％とし、ＮｉＣｕＺｎ系フェライトの副成分がＬｉ酸化物からなり、Ｌｉ酸化物：Ｌｉ2Ｏ換算で、ＮｉＣｕＺｎ系フェライトの総質量に対して１５０〜１２５０質量ｐｐｍとする。【選択図】図１
GRANULATED POWDER FOR NiCuZn-BASED FERRITE AND NiCuZn-BASED FERRITE
ＮｉＣｕＺｎ系フェライトおよびＮｉＣｕＺｎ系フェライト用造粒粉
KIKUCHI TAKAHIRO (author)
2020-06-04
Patent
Electronic Resource
Japanese
NiCuZn ferrite material and manufacturing method thereof
| European Patent Office | 2015