KR100746533B1 - 압분자심 - Google Patents
압분자심 Download PDFInfo
- Publication number
- KR100746533B1 KR100746533B1 KR1020010039382A KR20010039382A KR100746533B1 KR 100746533 B1 KR100746533 B1 KR 100746533B1 KR 1020010039382 A KR1020010039382 A KR 1020010039382A KR 20010039382 A KR20010039382 A KR 20010039382A KR 100746533 B1 KR100746533 B1 KR 100746533B1
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- South Korea
- Prior art keywords
- permeability
- powder
- magnetic field
- magnetic
- soft magnetic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/08—Cores, Yokes, or armatures made from powder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
- H01F1/26—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
본 발명의 압분자심에 있어서, 이와 같은 형상 특성을 보유하는 분말의 점유율은, 60 내지 75체적%의 범위 내로 규제되어 있다.
Claims (2)
- Fe기 연자성 합금의 분말을 주체로 하고, 또한, 초기 투자율을 (μ0), 인가자계가 24kA/m일 때의 투자율을 μ로 하였을 때, μ0와 μ의 사이에는, μ/μ0 ≥0.5의 관계가 성립되어 이루어지는 것을 특징으로 하는 압분자심.
- 제 1항에 있어서, 애스팩트 비가 1 내지 1.5인 상기 분말: 60 내지 75체적%와, 나머지가 절연 바인더를 주체로 하는 성분으로 이루어지고, 또한, 상기 절연 바인더의 함유량이, 상기 분말 100중량부에 대해서 5 내지 20중량부인 것을 특징으로 하는 압분자심.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000255441 | 2000-08-25 | ||
JP2000-255441 | 2000-08-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020016501A KR20020016501A (ko) | 2002-03-04 |
KR100746533B1 true KR100746533B1 (ko) | 2007-08-06 |
Family
ID=18744224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010039382A KR100746533B1 (ko) | 2000-08-25 | 2001-07-03 | 압분자심 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6419760B1 (ko) |
KR (1) | KR100746533B1 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4336810B2 (ja) * | 2001-08-15 | 2009-09-30 | 大同特殊鋼株式会社 | 圧粉磁心 |
JP3969363B2 (ja) * | 2003-07-30 | 2007-09-05 | カシオ計算機株式会社 | プロジェクタ及びプロジェクタの投影像補正方法 |
KR20060054372A (ko) * | 2003-07-30 | 2006-05-22 | 스미토모 덴키 고교 가부시키가이샤 | 연자성 재료, 압분자심, 트랜스 코어, 모터 코어 및압분자심의 제조방법 |
US20050069707A1 (en) * | 2003-09-26 | 2005-03-31 | General Electric Company | Soft magnetic particles methods of making and articles formed therefrom |
US8154372B2 (en) * | 2007-12-06 | 2012-04-10 | Hamilton Sundstrand Corporation | Light-weight, conduction-cooled inductor |
JP5082002B1 (ja) * | 2011-08-26 | 2012-11-28 | 太陽誘電株式会社 | 磁性材料およびコイル部品 |
JP6353642B2 (ja) * | 2013-02-04 | 2018-07-04 | 株式会社トーキン | 磁芯、インダクタ、及びインダクタを備えたモジュール |
DE112015004097T5 (de) | 2014-09-08 | 2017-05-24 | Toyota Jidosha Kabushiki Kaisha | Magnetischer pulverkern, pulver für magnetische kerne und verfahren zu deren herstellung |
JP6378156B2 (ja) | 2015-10-14 | 2018-08-22 | トヨタ自動車株式会社 | 圧粉磁心、圧粉磁心用粉末、および圧粉磁心の製造方法 |
JP6973234B2 (ja) * | 2018-03-28 | 2021-11-24 | Tdk株式会社 | 複合磁性体 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900019068A (ko) * | 1988-05-17 | 1990-12-24 | 아오이 죠이찌 | Fe기(基) 연자성합금 및 이로 만든 압분철심 |
KR910013317A (ko) * | 1989-12-28 | 1991-08-08 | 아오이 죠이찌 | Fe기 연자성 합금, 그 제조방법 및 이를 이용한 자성코어 |
KR960005636A (ko) * | 1994-07-22 | 1996-02-23 | 사토 히로시 | 압연코어 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2611994B2 (ja) * | 1987-07-23 | 1997-05-21 | 日立金属株式会社 | Fe基合金粉末およびその製造方法 |
US5178689A (en) * | 1988-05-17 | 1993-01-12 | Kabushiki Kaisha Toshiba | Fe-based soft magnetic alloy, method of treating same and dust core made therefrom |
US5252148A (en) * | 1989-05-27 | 1993-10-12 | Tdk Corporation | Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same |
DE19716882A1 (de) * | 1997-04-22 | 1998-10-29 | Basf Ag | Siliziumhaltige Eisenpulver |
-
2001
- 2001-06-04 US US09/873,556 patent/US6419760B1/en not_active Expired - Lifetime
- 2001-07-03 KR KR1020010039382A patent/KR100746533B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900019068A (ko) * | 1988-05-17 | 1990-12-24 | 아오이 죠이찌 | Fe기(基) 연자성합금 및 이로 만든 압분철심 |
KR910013317A (ko) * | 1989-12-28 | 1991-08-08 | 아오이 죠이찌 | Fe기 연자성 합금, 그 제조방법 및 이를 이용한 자성코어 |
KR960005636A (ko) * | 1994-07-22 | 1996-02-23 | 사토 히로시 | 압연코어 |
Also Published As
Publication number | Publication date |
---|---|
US20020043303A1 (en) | 2002-04-18 |
US6419760B1 (en) | 2002-07-16 |
KR20020016501A (ko) | 2002-03-04 |
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