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    MAGNETOPLUMBITE-TYPE HEXAGONAL FERRITE MAGNETIC POWDER AND MANUFACTURING METHOD THEREOF, AND RADIO WAVE ABSORBER AND MANUFACTURING METHOD THEREOF

    Neue Suche nach: YAMAJI HIDENOBU
    Neue Suche nach: SUZUKI HIROMI

    To provide a magnetoplumbite-type hexagonal ferrite magnetic powder that has an ability to absorb radio waves in the 60 to 90 GHz band including the 76 GHz band, and that has a small change in peak frequency over a wide temperature range, a manufacturing method thereof, a radio wave absorber using the magnetic powder, and a manufacturing method thereof.SOLUTION: In a magnetoplumbite-type hexagonal ferrite magnetic powder, a general formula A(1-x)LaxFe(n-y-z)AlyCoz indicates the atomic ratio of a metal element (where A is one or more selected from the group consisting of Sr, Ba and Ca, satisfying 0.01≤x≤0.70, 1.00≤y≤2.20, 11.00≤n≤12.50, 0.00≤z≤1.00).SELECTED DRAWING: Figure 2

    【課題】７６ＧＨｚ帯を含む６０～９０ＧＨｚ帯域の電波吸収能を有し、広い温度域でピーク周波数の変化の小さいマグネトプランバイト型六方晶フェライト磁性粉及びその製造方法並びに当該磁性粉を用いた電波吸収体及びその製造方法を提供する。【解決手段】マグネトプランバイト型六方晶フェライト磁性粉であって、金属元素の原子比を示す一般式：Ａ（１－ｘ）ＬａｘＦｅ（ｎ-ｙ-ｚ）ＡｌｙＣｏｚ（ここで、Ａは、Ｓｒ、Ｂａ及びＣａからなる群より選択される１種以上であり、０．０１≦ｘ≦０．７０、１．００≦ｙ≦２．２０、１１．００≦ｎ≦１２．５０、０．００≦ｚ≦１．００である）を満たす、マグネトプランバイト型六方晶フェライト磁性粉。【選択図】図２

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    MAGNETOPLUMBITE-TYPE HEXAGONAL FERRITE MAGNETIC POWDER AND MANUFACTURING METHOD THEREOF, AND RADIO WAVE ABSORBER AND MANUFACTURING METHOD THEREOF

    Neue Suche nach: YAMAJI HIDENOBU
    Neue Suche nach: SUZUKI HIROMI

    To provide a magnetoplumbite-type hexagonal ferrite magnetic powder that has an ability to absorb radio waves in the 60 to 90 GHz band including the 76 GHz band, and that has a small change in peak frequency over a wide temperature range, a manufacturing method thereof, a radio wave absorber using the magnetic powder, and a manufacturing method thereof.SOLUTION: In a magnetoplumbite-type hexagonal ferrite magnetic powder, a general formula A(1-x)LaxFe(n-y-z)AlyCoz indicates the atomic ratio of a metal element (where A is one or more selected from the group consisting of Sr, Ba and Ca, satisfying 0.01≤x≤0.70, 1.00≤y≤2.20, 11.00≤n≤12.50, 0.00≤z≤1.00).SELECTED DRAWING: Figure 2

    【課題】７６ＧＨｚ帯を含む６０～９０ＧＨｚ帯域の電波吸収能を有し、広い温度域でピーク周波数の変化の小さいマグネトプランバイト型六方晶フェライト磁性粉及びその製造方法並びに当該磁性粉を用いた電波吸収体及びその製造方法を提供する。【解決手段】マグネトプランバイト型六方晶フェライト磁性粉であって、金属元素の原子比を示す一般式：Ａ（１－ｘ）ＬａｘＦｅ（ｎ-ｙ-ｚ）ＡｌｙＣｏｚ（ここで、Ａは、Ｓｒ、Ｂａ及びＣａからなる群より選択される１種以上であり、０．０１≦ｘ≦０．７０、１．００≦ｙ≦２．２０、１１．００≦ｎ≦１２．５０、０．００≦ｚ≦１．００である）を満たす、マグネトプランバイト型六方晶フェライト磁性粉。【選択図】図２

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    MAGNETOPLUMBITE-TYPE HEXAGONAL FERRITE MAGNETIC POWDER AND MANUFACTURING METHOD THEREOF, AND RADIO WAVE ABSORBER AND MANUFACTURING METHOD THEREOF

    Neue Suche nach: YAMAJI HIDENOBU
    Neue Suche nach: SUZUKI HIROMI

    To provide a magnetoplumbite-type hexagonal ferrite magnetic powder that has an ability to absorb radio waves in the 60 to 90 GHz band including the 76 GHz band, and that has a small change in peak frequency over a wide temperature range, a manufacturing method thereof, a radio wave absorber using the magnetic powder, and a manufacturing method thereof.SOLUTION: In a magnetoplumbite-type hexagonal ferrite magnetic powder, a general formula A(1-x)LaxFe(n-y-z)AlyCoz indicates the atomic ratio of a metal element (where A is one or more selected from the group consisting of Sr, Ba and Ca, satisfying 0.01≤x≤0.70, 1.00≤y≤2.20, 11.00≤n≤12.50, 0.00≤z≤1.00).SELECTED DRAWING: Figure 2

    【課題】７６ＧＨｚ帯を含む６０～９０ＧＨｚ帯域の電波吸収能を有し、広い温度域でピーク周波数の変化の小さいマグネトプランバイト型六方晶フェライト磁性粉及びその製造方法並びに当該磁性粉を用いた電波吸収体及びその製造方法を提供する。【解決手段】マグネトプランバイト型六方晶フェライト磁性粉であって、金属元素の原子比を示す一般式：Ａ（１－ｘ）ＬａｘＦｅ（ｎ-ｙ-ｚ）ＡｌｙＣｏｚ（ここで、Ａは、Ｓｒ、Ｂａ及びＣａからなる群より選択される１種以上であり、０．０１≦ｘ≦０．７０、１．００≦ｙ≦２．２０、１１．００≦ｎ≦１２．５０、０．００≦ｚ≦１．００である）を満たす、マグネトプランバイト型六方晶フェライト磁性粉。【選択図】図２

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    Titel:

    MAGNETOPLUMBITE-TYPE HEXAGONAL FERRITE MAGNETIC POWDER AND MANUFACTURING METHOD THEREOF, AND RADIO WAVE ABSORBER AND MANUFACTURING METHOD THEREOF

    Weitere Titelangaben:

    マグネトプランバイト型六方晶フェライト磁性粉及びその製造方法並びに電波吸収体及びその製造方法

    Beteiligte:

    YAMAJI HIDENOBU (Autor:in) / SUZUKI HIROMI (Autor:in)

    Erscheinungsdatum:

    15.09.2022

    Medientyp:

    Patent

    Format:

    Elektronische Ressource

    Sprache:

    Japanisch

    Klassifikation:

    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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