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    NiZn FERRITE

    New search for: KOYUHARA TOKUKAZU
    New search for: NISHIMURA KAZUNORI

    To provide a NiZn ferrite with a large μQ product which is the product of the initial permeability μi and the quality coefficient Q, and a large saturation magnetic flux density.SOLUTION: In a NiZn ferrite, the composition ratio is Fe2O3 equivalent of more than 51.0 mol% and 52.5 mol% or less, ZnO equivalent of 21.0 mol% or more and 24.5 mol% or less of Zn, and NiO equivalent of 23.0 mol% or more and less than 28.0 mol% (where the total of Fe2O3, NiO, and ZnO is 100 mol%), the average crystal grain size is 5 to 15 μm, and the sintered body density ds is 5.2×103 kg/m3 or more.SELECTED DRAWING: Figure 1

    【課題】 初透磁率μｉと品質係数Ｑとの積であるμＱ積が大きく、かつ飽和磁束密度が大きいＮｉＺｎ系フェライトを提供する。【解決手段】組成比が、Ｆｅ２Ｏ３換算で５１．０ｍｏｌ％超５２．５ｍｏｌ％以下のＦｅ、ＺｎＯ 換算で２１．０ｍｏｌ％以上２４．５ｍｏｌ％以下のＺｎ、及びＮｉＯ換算で２３．０ｍｏｌ％以上２８．０ｍｏｌ％未満であり（但し、Ｆｅ２Ｏ３、ＮｉＯ、ＺｎＯの合計は１００ｍｏｌ％）、平均結晶粒径が５～１５μｍであり、焼結体密度ｄｓが５．２×１０３ｋｇ／ｍ３以上であるＮｉＺｎ系フェライト。【選択図】 図１

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    NiZn FERRITE

    New search for: KOYUHARA TOKUKAZU
    New search for: NISHIMURA KAZUNORI

    To provide a NiZn ferrite with a large μQ product which is the product of the initial permeability μi and the quality coefficient Q, and a large saturation magnetic flux density.SOLUTION: In a NiZn ferrite, the composition ratio is Fe2O3 equivalent of more than 51.0 mol% and 52.5 mol% or less, ZnO equivalent of 21.0 mol% or more and 24.5 mol% or less of Zn, and NiO equivalent of 23.0 mol% or more and less than 28.0 mol% (where the total of Fe2O3, NiO, and ZnO is 100 mol%), the average crystal grain size is 5 to 15 μm, and the sintered body density ds is 5.2×103 kg/m3 or more.SELECTED DRAWING: Figure 1

    【課題】 初透磁率μｉと品質係数Ｑとの積であるμＱ積が大きく、かつ飽和磁束密度が大きいＮｉＺｎ系フェライトを提供する。【解決手段】組成比が、Ｆｅ２Ｏ３換算で５１．０ｍｏｌ％超５２．５ｍｏｌ％以下のＦｅ、ＺｎＯ 換算で２１．０ｍｏｌ％以上２４．５ｍｏｌ％以下のＺｎ、及びＮｉＯ換算で２３．０ｍｏｌ％以上２８．０ｍｏｌ％未満であり（但し、Ｆｅ２Ｏ３、ＮｉＯ、ＺｎＯの合計は１００ｍｏｌ％）、平均結晶粒径が５～１５μｍであり、焼結体密度ｄｓが５．２×１０３ｋｇ／ｍ３以上であるＮｉＺｎ系フェライト。【選択図】 図１

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    NiZn FERRITE

    New search for: KOYUHARA TOKUKAZU
    New search for: NISHIMURA KAZUNORI

    To provide a NiZn ferrite with a large μQ product which is the product of the initial permeability μi and the quality coefficient Q, and a large saturation magnetic flux density.SOLUTION: In a NiZn ferrite, the composition ratio is Fe2O3 equivalent of more than 51.0 mol% and 52.5 mol% or less, ZnO equivalent of 21.0 mol% or more and 24.5 mol% or less of Zn, and NiO equivalent of 23.0 mol% or more and less than 28.0 mol% (where the total of Fe2O3, NiO, and ZnO is 100 mol%), the average crystal grain size is 5 to 15 μm, and the sintered body density ds is 5.2×103 kg/m3 or more.SELECTED DRAWING: Figure 1

    【課題】 初透磁率μｉと品質係数Ｑとの積であるμＱ積が大きく、かつ飽和磁束密度が大きいＮｉＺｎ系フェライトを提供する。【解決手段】組成比が、Ｆｅ２Ｏ３換算で５１．０ｍｏｌ％超５２．５ｍｏｌ％以下のＦｅ、ＺｎＯ 換算で２１．０ｍｏｌ％以上２４．５ｍｏｌ％以下のＺｎ、及びＮｉＯ換算で２３．０ｍｏｌ％以上２８．０ｍｏｌ％未満であり（但し、Ｆｅ２Ｏ３、ＮｉＯ、ＺｎＯの合計は１００ｍｏｌ％）、平均結晶粒径が５～１５μｍであり、焼結体密度ｄｓが５．２×１０３ｋｇ／ｍ３以上であるＮｉＺｎ系フェライト。【選択図】 図１

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    Title:

    NiZn FERRITE

    Additional title:

    ＮｉＺｎ系フェライト

    Contributors:

    KOYUHARA TOKUKAZU (author) / NISHIMURA KAZUNORI (author)

    Publication date:

    2022-05-24

    Type of media:

    Patent

    Type of material:

    Electronic Resource

    Language:

    Japanese

    Classification:

    IPC:  H01F MAGNETS , Magnete / C01G Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle , COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F / C04B Kalk , LIME

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