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MAGNETIC CORE ARRANGED BY USE OF MANGANESE ZINC-BASED FERRITE
To provide a method for manufacturing MnZn-based ferrite, which enables the achievement of a low magnetic core loss over a wide range of temperatures, and a MnZn-based ferrite.SOLUTION: The iron core is arranged by use of a MnZn-based ferrite which comprises as main components, Fe of 53-54 mol% in terms of Fe2O3, Zn of 8.2-10.2 mol% in terms of ZnO and the balance consisting of Mn in terms of MnO and Si of over 0.001 pt.mass and no more than 0.015 pt.mass in terms of SiO2, Ca of over 0.1 pt.mass and no more than 0.35 pt.mass in terms of CaCO3, Co of no more than 0.4 pt.mass in terms of Co3O4 (excluding 0), Ta of no more than 0.1 pt.mass (including 0) in terms of Ta2O5, Zr of no more than 0.1 pt.mass (including 0) in terms of ZrO2, and Nb of no more than 0.05 pt.mass (including 0) in terms of Nb2O5 as sub-components to 100 pts.mass of the main components in total in terms of oxide (the total quantity of Ta2O5, ZrO2 and Nb2O5 is no more than 0.1 pt.mass (excluding O)).SELECTED DRAWING: None
【課題】広い温度で低磁心損失とすることができるMnZn系フェライトの製造方法及びＭｎＺｎ系フェライトを提供する。【解決手段】鉄心は、主成分が、Ｆｅ2Ｏ３換算で５３〜５４モル％のＦｅ、ＺｎＯ換算で８．２〜１０．２モル％のＺｎ及びＭｎＯ換算で残部Ｍｎからなり、副成分が、酸化物換算での主成分の合計１００質量部に対して、ＳｉＯ２換算で０．００１質量部超０．０１５質量部以下のＳｉ、ＣａＣＯ３換算で０．１質量部超０．３５質量部以下のＣａ、Ｃｏ３Ｏ４換算で０．４質量部以下（０は含まず）のＣｏ、Ｔａ２Ｏ５換算で０．１質量部以下（０を含む）のＴａ、ＺｒＯ２換算で０．１質量部以下（０を含む）のＺｒ、Ｎｂ２Ｏ５換算で０．０５質量部以下（０を含む）のＮｂを含み（ただし、Ｔａ２Ｏ５、ＺｒＯ２及びＮｂ２Ｏ５の合計は０．１質量部以下（０を含まず）である。）、であるＭｎＺｎ系フェライトを用いる。【選択図】なし
MAGNETIC CORE ARRANGED BY USE OF MANGANESE ZINC-BASED FERRITE
To provide a method for manufacturing MnZn-based ferrite, which enables the achievement of a low magnetic core loss over a wide range of temperatures, and a MnZn-based ferrite.SOLUTION: The iron core is arranged by use of a MnZn-based ferrite which comprises as main components, Fe of 53-54 mol% in terms of Fe2O3, Zn of 8.2-10.2 mol% in terms of ZnO and the balance consisting of Mn in terms of MnO and Si of over 0.001 pt.mass and no more than 0.015 pt.mass in terms of SiO2, Ca of over 0.1 pt.mass and no more than 0.35 pt.mass in terms of CaCO3, Co of no more than 0.4 pt.mass in terms of Co3O4 (excluding 0), Ta of no more than 0.1 pt.mass (including 0) in terms of Ta2O5, Zr of no more than 0.1 pt.mass (including 0) in terms of ZrO2, and Nb of no more than 0.05 pt.mass (including 0) in terms of Nb2O5 as sub-components to 100 pts.mass of the main components in total in terms of oxide (the total quantity of Ta2O5, ZrO2 and Nb2O5 is no more than 0.1 pt.mass (excluding O)).SELECTED DRAWING: None
【課題】広い温度で低磁心損失とすることができるMnZn系フェライトの製造方法及びＭｎＺｎ系フェライトを提供する。【解決手段】鉄心は、主成分が、Ｆｅ2Ｏ３換算で５３〜５４モル％のＦｅ、ＺｎＯ換算で８．２〜１０．２モル％のＺｎ及びＭｎＯ換算で残部Ｍｎからなり、副成分が、酸化物換算での主成分の合計１００質量部に対して、ＳｉＯ２換算で０．００１質量部超０．０１５質量部以下のＳｉ、ＣａＣＯ３換算で０．１質量部超０．３５質量部以下のＣａ、Ｃｏ３Ｏ４換算で０．４質量部以下（０は含まず）のＣｏ、Ｔａ２Ｏ５換算で０．１質量部以下（０を含む）のＴａ、ＺｒＯ２換算で０．１質量部以下（０を含む）のＺｒ、Ｎｂ２Ｏ５換算で０．０５質量部以下（０を含む）のＮｂを含み（ただし、Ｔａ２Ｏ５、ＺｒＯ２及びＮｂ２Ｏ５の合計は０．１質量部以下（０を含まず）である。）、であるＭｎＺｎ系フェライトを用いる。【選択図】なし
MAGNETIC CORE ARRANGED BY USE OF MANGANESE ZINC-BASED FERRITE
ＭｎＺｎ系フェライトを用いた磁心
MITSUYOSHI YASUHARU (author) / KOYUHARA TOKUKAZU (author) / TADA TOMOYUKI (author)
2022-01-11
Patent
Electronic Resource
Japanese
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