JP2005123531A5 - - Google Patents

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Publication number
JP2005123531A5
JP2005123531A5 JP2003359576A JP2003359576A JP2005123531A5 JP 2005123531 A5 JP2005123531 A5 JP 2005123531A5 JP 2003359576 A JP2003359576 A JP 2003359576A JP 2003359576 A JP2003359576 A JP 2003359576A JP 2005123531 A5 JP2005123531 A5 JP 2005123531A5
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JP
Japan
Prior art keywords
powder
electromagnetic wave
wave absorber
alloy
raw material
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Pending
Application number
JP2003359576A
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English (en)
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JP2005123531A (ja
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Priority to JP2003359576A priority Critical patent/JP2005123531A/ja
Priority claimed from JP2003359576A external-priority patent/JP2005123531A/ja
Publication of JP2005123531A publication Critical patent/JP2005123531A/ja
Publication of JP2005123531A5 publication Critical patent/JP2005123531A5/ja
Pending legal-status Critical Current

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Claims (4)

  1. 電磁波吸収体用の合金粉末において、偏平加工する前の原料粉末の酸素濃度が0.001〜0.08mass%である粉末を偏平加工によりアスペクト比10以上、平均粒径20〜50μmにすることを特徴とする電磁波吸収体用粉末。
  2. 請求項1に記載の偏平加工する前の原料粉末の酸素濃度を0.03〜0.06mass%とすることを特徴とする電磁波吸収体用粉末。
  3. 請求項1または2に記載の原料粉末として、Fe−Ni系合金、Fe−Cr系合金、Fe−Si−Al系合金を用いることを特徴とする電磁波吸収体用粉末。
  4. 請求項1〜3のいずれか1項に記載の原料粉末をO 2 混合ガスにてガスアトマイズ法により製造することを特徴とする電磁波吸収体用粉末の製造方法
JP2003359576A 2003-10-20 2003-10-20 電磁波吸収体用粉末 Pending JP2005123531A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003359576A JP2005123531A (ja) 2003-10-20 2003-10-20 電磁波吸収体用粉末

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003359576A JP2005123531A (ja) 2003-10-20 2003-10-20 電磁波吸収体用粉末

Publications (2)

Publication Number Publication Date
JP2005123531A JP2005123531A (ja) 2005-05-12
JP2005123531A5 true JP2005123531A5 (ja) 2007-08-23

Family

ID=34615756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003359576A Pending JP2005123531A (ja) 2003-10-20 2003-10-20 電磁波吸収体用粉末

Country Status (1)

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JP (1) JP2005123531A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4636113B2 (ja) 2008-04-23 2011-02-23 Tdk株式会社 扁平状軟磁性材料及びその製造方法
JP5455258B2 (ja) 2012-02-21 2014-03-26 Necトーキン株式会社 ノイズ抑制シート
JP5822146B2 (ja) 2013-03-29 2015-11-24 パウダーテック株式会社 ノイズ抑制用複合磁性粉
JP6788328B2 (ja) 2015-03-17 2020-11-25 山陽特殊製鋼株式会社 扁平状軟磁性粉末およびその製造方法
JP7165690B2 (ja) * 2020-01-06 2022-11-04 山陽特殊製鋼株式会社 軟磁性扁平粉末の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130207A (ja) * 1985-11-29 1987-06-12 Daido Steel Co Ltd 金属粉末の製造方法
JPH10330806A (ja) * 1997-06-02 1998-12-15 Sanyo Special Steel Co Ltd 擬球状異形金属粉末の製造方法
JP2001152211A (ja) * 1999-11-25 2001-06-05 Daido Steel Co Ltd 電磁波吸収体用扁平金属粉末の製造方法
JP2002158482A (ja) * 2000-11-16 2002-05-31 Kitagawa Ind Co Ltd 電磁波吸収体用金属粉末,電磁波吸収体,及び塗料

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