JP2013060361A - ニッケル−亜鉛−銅系フェライト組成物、及びそれを利用した積層型チップ素子 - Google Patents
ニッケル−亜鉛−銅系フェライト組成物、及びそれを利用した積層型チップ素子 Download PDFInfo
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Abstract
【解決手段】本発明によるNiZnCu系フェライト組成物及びそれを利用した積層型チップ素子及びトロイダルコアは、Fe2O347.0〜50.0モル%、NiO15.0〜27.0モル%、ZnO18.0〜25.0モル%、CuO7.0〜13.0モル%を含む主成分100重量部に対して、2価金属0.001〜0.3重量部、3価金属0.001〜0.3重量部、及び4価金属0.001〜0.5重量部で含むことを特徴とする。本発明によると、NiZnCuフェライトに2価、3価、及び4価金属を含ませることにより、品質係数Q特性に優れたフェライト組成物を提供することができる。また、前記フェライト組成物を利用して、焼結性、透磁率、及び品質係数Q特性に優れたトロイダルコア及び積層型チップ素子を提供することができる。
Description
また、本発明のさらに他の目的は、前記フェライト組成物を利用して高い品質係数Qを有する多様な積層型チップ素子を提供することにある。
下記表1に示した組成を利用して、実施例と比較例によるNiZnCu系フェライト組成物を製造した。
Claims (9)
- Fe2O347.0〜50.0モル%、NiO15.0〜27.0モル%、ZnO18.0〜25.0モル%、CuO7.0〜13.0モル%を含む主成分100重量部に対して、
2価金属0.001〜0.3重量部、3価金属0.001〜0.3重量部、及び4価金属0.001〜0.5重量部で含むニッケル−亜鉛−銅(NiZnCu)系フェライト組成物。 - 前記2価金属、3価金属、及び4価金属は、各金属の酸化物(oxide)または水酸化物(hydroxide)の形態で含まれる請求項1に記載のニッケル−亜鉛−銅(NiZnCu)系フェライト組成物。
- 前記2価金属は、Co、Mg及びMnからなるグループから選択される1種以上である請求項1に記載のニッケル−亜鉛−銅(NiZnCu)系フェライト組成物。
- 前記3価金属は、Bi、Al、Ga及びInからなるグループから選択される1種以上である請求項1に記載のニッケル−亜鉛−銅(NiZnCu)系フェライト組成物。
- 前記4価金属は、Ce、S、Ti、Si及びZrからなるグループから選択される1種以上である請求項1に記載のニッケル−亜鉛−銅(NiZnCu)系フェライト組成物。
- V、Mo及びWからなるグループから選択される1種以上の5価金属をさらに含む請求項1に記載のニッケル−亜鉛−銅(NiZnCu)系フェライト組成物。
- 請求項1に記載のニッケル−亜鉛−銅(NiZnCu)系フェライト組成物を利用した積層型チップ素子。
- 請求項1に記載のニッケル−亜鉛−銅(NiZnCu)系フェライト組成物を利用したトロイダルコア。
- 250以上の品質係数Qを有する請求項8に記載のトロイダルコア。
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JP2015023275A (ja) * | 2013-07-19 | 2015-02-02 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | フェライト及びこれを適用したインダクタ |
JP2018035027A (ja) * | 2016-08-30 | 2018-03-08 | Tdk株式会社 | フェライト組成物,フェライト焼結体、電子部品およびチップコイル |
US10236104B2 (en) | 2013-07-19 | 2019-03-19 | Samsung Electro-Mechanics Co., Ltd. | Ferrite and inductor including the same |
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CN105777094B (zh) * | 2016-03-03 | 2018-10-16 | 电子科技大学 | 一种nfc手机支付铁氧体磁屏蔽材料及其制备方法 |
JP6540977B1 (ja) * | 2018-01-17 | 2019-07-10 | Tdk株式会社 | フェライト焼結体およびそれを用いた電子部品 |
JP6927184B2 (ja) * | 2018-11-29 | 2021-08-25 | 株式会社村田製作所 | 磁性材料、電子部品及び巻線コア |
CN109678481B (zh) * | 2019-02-15 | 2021-03-16 | 苏州世诺新材料科技有限公司 | 一种复合铁氧体片的制备方法 |
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