JP4909312B2 - 圧粉磁心用軟磁性材および圧粉磁心 - Google Patents
圧粉磁心用軟磁性材および圧粉磁心 Download PDFInfo
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- JP4909312B2 JP4909312B2 JP2008098332A JP2008098332A JP4909312B2 JP 4909312 B2 JP4909312 B2 JP 4909312B2 JP 2008098332 A JP2008098332 A JP 2008098332A JP 2008098332 A JP2008098332 A JP 2008098332A JP 4909312 B2 JP4909312 B2 JP 4909312B2
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- soft magnetic
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 34
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- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910017082 Fe-Si Inorganic materials 0.000 description 1
- 229910017133 Fe—Si Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
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- 239000004327 boric acid Substances 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LAQFLZHBVPULPL-UHFFFAOYSA-N methyl(phenyl)silicon Chemical compound C[Si]C1=CC=CC=C1 LAQFLZHBVPULPL-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 229910000889 permalloy Inorganic materials 0.000 description 1
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
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- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
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Images
Description
Claims (5)
- 表面に絶縁処理した軟磁性粉末より成る圧粉磁心用軟磁性材であって、
含有される軟磁性粉末は、篩を用いて篩分けされた、粒子径が小さな軟磁性粉末と粒子径が大きな軟磁性粉末とを含み、粒子径が小さな軟磁性粉末は篩分け後に偏平加工されたものであり、
粒子径が小さな軟磁性粉末の平均アスペクト比は3.0以上、粒子径が大きな軟磁性粉末の平均アスペクト比は3.0未満であることを特徴とする圧粉磁心用軟磁性材。 - 前記軟磁性粉末のうち、粒子径が小さな軟磁性粉末の粒子径は75μm未満、粒子径が大きな軟磁性粉末の粒子径は75μm以上である請求項1記載の圧粉磁心用軟磁性材。
- 前記軟磁性粉末のうち、粒子径が小さな軟磁性粉末の粒子径は63μm未満、粒子径が大きな軟磁性粉末の粒子径は63μm以上である請求項1記載の圧粉磁心用軟磁性材。
- 前記軟磁性粉末のうち、粒子径が小さな軟磁性粉末の粒子径は45μm未満、粒子径が大きな軟磁性粉末の粒子径は45μm以上である請求項1記載の圧粉磁心用軟磁性材。
- 請求項1乃至4のいずれかに記載の圧粉磁心用軟磁性材を圧粉成形して作製されたことを特徴とする圧粉磁心。
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JP2008098332A JP4909312B2 (ja) | 2008-04-04 | 2008-04-04 | 圧粉磁心用軟磁性材および圧粉磁心 |
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JP2009252961A JP2009252961A (ja) | 2009-10-29 |
JP4909312B2 true JP4909312B2 (ja) | 2012-04-04 |
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Families Citing this family (5)
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JP6325790B2 (ja) * | 2013-09-30 | 2018-05-16 | 株式会社タムラ製作所 | 圧粉磁心とその製造方法 |
JP6427991B2 (ja) * | 2014-06-27 | 2018-11-28 | 日立金属株式会社 | 圧粉磁心 |
JP2017171947A (ja) * | 2016-03-18 | 2017-09-28 | Ntn株式会社 | 圧粉磁心用混合粉末及びその製造方法 |
JP6902695B2 (ja) * | 2017-05-17 | 2021-07-14 | パナソニックIpマネジメント株式会社 | 圧粉磁心及び混合軟磁性粉末 |
JP7087539B2 (ja) * | 2018-03-26 | 2022-06-21 | Tdk株式会社 | 軟磁性材料および圧粉磁心 |
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JPH11260617A (ja) * | 1998-03-10 | 1999-09-24 | Tokin Corp | 圧粉磁芯、その製造方法、および巻線部品 |
JP2000309801A (ja) * | 1999-04-23 | 2000-11-07 | Tokin Corp | 圧粉磁芯及びコイル |
JP2002105502A (ja) * | 2000-09-26 | 2002-04-10 | Kubota Corp | 軟質磁性金属粉末および粉末集合体並びに圧縮成形体 |
JP2002249802A (ja) * | 2001-02-26 | 2002-09-06 | Alps Electric Co Ltd | 非晶質軟磁性合金圧密体及びそれを用いた圧粉磁心 |
JP4032709B2 (ja) * | 2001-11-19 | 2008-01-16 | 大同特殊鋼株式会社 | フィルター回路 |
JP2006210847A (ja) * | 2005-01-31 | 2006-08-10 | Mitsubishi Materials Pmg Corp | 圧粉磁心及びその製造方法 |
JP2006245055A (ja) * | 2005-02-28 | 2006-09-14 | Mitsubishi Materials Pmg Corp | 圧粉磁心とその製造方法並びにその圧粉磁心を用いたアクチュエータ及び電磁弁 |
JP4808506B2 (ja) * | 2006-02-14 | 2011-11-02 | スミダコーポレーション株式会社 | 複合磁性シート、コイル用複合磁性シートおよびそれらの製造方法 |
JP2008192897A (ja) * | 2007-02-06 | 2008-08-21 | Hitachi Metals Ltd | 圧粉磁心およびリアクトル |
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