JP2005123531A - 電磁波吸収体用粉末 - Google Patents

電磁波吸収体用粉末 Download PDF

Info

Publication number
JP2005123531A
JP2005123531A JP2003359576A JP2003359576A JP2005123531A JP 2005123531 A JP2005123531 A JP 2005123531A JP 2003359576 A JP2003359576 A JP 2003359576A JP 2003359576 A JP2003359576 A JP 2003359576A JP 2005123531 A JP2005123531 A JP 2005123531A
Authority
JP
Japan
Prior art keywords
powder
electromagnetic wave
wave absorber
raw material
flattening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2003359576A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005123531A5 (enrdf_load_stackoverflow
Inventor
Yoshikazu Aikawa
芳和 相川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Special Steel Co Ltd
Original Assignee
Sanyo Special Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Special Steel Co Ltd filed Critical Sanyo Special Steel Co Ltd
Priority to JP2003359576A priority Critical patent/JP2005123531A/ja
Publication of JP2005123531A publication Critical patent/JP2005123531A/ja
Publication of JP2005123531A5 publication Critical patent/JP2005123531A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
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 true JP2005123531A (ja) 2005-05-12
JP2005123531A5 JP2005123531A5 (enrdf_load_stackoverflow) 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)

Country Link
JP (1) JP2005123531A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2117017A1 (en) 2008-04-23 2009-11-11 TDK Corporation Flat soft magnetic material and process for its production
WO2014156848A1 (ja) 2013-03-29 2014-10-02 パウダーテック株式会社 ノイズ抑制用複合磁性粉
WO2016147943A1 (ja) * 2015-03-17 2016-09-22 山陽特殊製鋼株式会社 扁平状軟磁性粉末及びその製造方法
US9468134B2 (en) 2012-02-21 2016-10-11 Nec Tokin Corporation Soft magnetic powder, method of manufacturing the same, noise suppression sheet using the same, and method of manufacturing the same
JP2020057817A (ja) * 2020-01-06 2020-04-09 山陽特殊製鋼株式会社 軟磁性扁平粉末の製造方法

Citations (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

Patent Citations (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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2117017A1 (en) 2008-04-23 2009-11-11 TDK Corporation Flat soft magnetic material and process for its production
US8038808B2 (en) 2008-04-23 2011-10-18 Tdk Corporation Flat soft magnetic material and process for its production
US9468134B2 (en) 2012-02-21 2016-10-11 Nec Tokin Corporation Soft magnetic powder, method of manufacturing the same, noise suppression sheet using the same, and method of manufacturing the same
WO2014156848A1 (ja) 2013-03-29 2014-10-02 パウダーテック株式会社 ノイズ抑制用複合磁性粉
KR20160114734A (ko) 2013-03-29 2016-10-05 파우더테크 컴퍼니 리미티드 노이즈 억제용 복합 자성 분말
WO2016147943A1 (ja) * 2015-03-17 2016-09-22 山陽特殊製鋼株式会社 扁平状軟磁性粉末及びその製造方法
JP2016174065A (ja) * 2015-03-17 2016-09-29 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
US10576539B2 (en) 2015-03-17 2020-03-03 Sanyo Special Steel Co., Ltd. Flat soft magnetic powder and production method therefor
JP2020057817A (ja) * 2020-01-06 2020-04-09 山陽特殊製鋼株式会社 軟磁性扁平粉末の製造方法
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

Similar Documents

Publication Publication Date Title
JP5780408B2 (ja) 軟磁性樹脂組成物および電磁波吸収体
JP5617173B2 (ja) 扁平状軟磁性粉末の製造方法および電磁波吸収体
JP6738160B2 (ja) 軟磁性扁平粉末及びその製造方法
KR102369149B1 (ko) 자성 편평 분말 및 이것을 함유하는 자성 시트
JP2016072577A (ja) 軟磁性扁平粉末及びその製造方法
JP2008050644A (ja) 電磁波吸収体用扁平粉末および電磁波吸収体
JP2012197474A (ja) Ｆｅ−Ｎｉ系合金粉末
JP6882905B2 (ja) 軟磁性扁平粉末
JP2005123531A (ja) 電磁波吸収体用粉末
KR102393236B1 (ko) 연자성 편평 분말
JPH0294406A (ja) 圧粉コア
JP2005264317A (ja) Ｆｅ−Ｎｉ−Ｍｏ系扁平金属軟磁性粉末およびその軟磁性粉末を含む磁性複合材
JP2003332113A (ja) 偏平状軟磁性粉末およびそれを用いた複合磁性シート
JP2007070718A (ja) 多孔質鉄粉、多孔質鉄粉の製造方法、電波吸収体
JP7574681B2 (ja) 軟磁性粉末、圧粉磁心、磁性素子および電子機器
CA3084316A1 (en) Alloyed steel powder
JP7133666B2 (ja) 軟磁性扁平粉末
JP2001152211A (ja) 電磁波吸収体用扁平金属粉末の製造方法
JP2009114505A (ja) マグネタイト−鉄複合粉末およびその製造方法
JP2002344192A (ja) 電波吸収体用複合粉末
JP2002134309A (ja) 電磁波吸収体用粉末の製造方法
TW495772B (en) Soft magnetic alloy powder for electromagnetic wave absorbing sheet, electromagnetic wave absorbing sheet, and method for manufacturing them
JP7257150B2 (ja) 磁性部材用の難燃性粉末
JP6738502B2 (ja) 軟磁性扁平粉末の製造方法
CN102744398A (zh) 多孔铁粉、其制造方法及电波吸收体

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060308

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070710

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080827

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080909

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090203