JP7728765B2 - 被覆粒子を含む軟磁性粉末 - Google Patents
被覆粒子を含む軟磁性粉末Info
- Publication number
- JP7728765B2 JP7728765B2 JP2022542373A JP2022542373A JP7728765B2 JP 7728765 B2 JP7728765 B2 JP 7728765B2 JP 2022542373 A JP2022542373 A JP 2022542373A JP 2022542373 A JP2022542373 A JP 2022542373A JP 7728765 B2 JP7728765 B2 JP 7728765B2
- Authority
- JP
- Japan
- Prior art keywords
- solid oxide
- layers
- shell
- soft magnetic
- core
- 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.)
- Active
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0207—Using a mixture of prealloyed powders or a master alloy
- C22C33/0228—Using a mixture of prealloyed powders or a master alloy comprising other non-metallic compounds or more than 5% of graphite
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
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- C23C16/0218—Pretreatment of the material to be coated by heating in a reactive atmosphere
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
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- C23C16/401—Oxides containing silicon
- C23C16/402—Silicon dioxide
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/40—Oxides
- C23C16/405—Oxides of refractory metals or yttrium
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/406—Oxides of iron group metals
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4417—Methods specially adapted for coating powder
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/442—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using fluidised bed process
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/45529—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations specially adapted for making a layer stack of alternating different compositions or gradient compositions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2302/00—Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
- B22F2302/25—Oxide
- B22F2302/253—Aluminum oxide (Al2O3)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2302/00—Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
- B22F2302/25—Oxide
- B22F2302/256—Silicium oxide (SiO2)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Dispersion Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Soft Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20151101.1 | 2020-01-10 | ||
| EP20151101 | 2020-01-10 | ||
| PCT/EP2021/050195 WO2021140156A1 (en) | 2020-01-10 | 2021-01-07 | Soft-magnetic powder comprising coated particles |
Publications (4)
| Publication Number | Publication Date |
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| JP2023509796A JP2023509796A (ja) | 2023-03-09 |
| JP2023509796A5 JP2023509796A5 (https=) | 2023-12-26 |
| JPWO2021140156A5 JPWO2021140156A5 (https=) | 2023-12-26 |
| JP7728765B2 true JP7728765B2 (ja) | 2025-08-25 |
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| EP (1) | EP4087694A1 (https=) |
| JP (1) | JP7728765B2 (https=) |
| KR (1) | KR20220125325A (https=) |
| CN (1) | CN114938638A (https=) |
| IL (1) | IL294378A (https=) |
| TW (1) | TWI907377B (https=) |
| WO (1) | WO2021140156A1 (https=) |
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| JP7413786B2 (ja) * | 2020-01-15 | 2024-01-16 | セイコーエプソン株式会社 | 圧粉磁心の製造方法および圧粉磁心 |
| KR102815906B1 (ko) * | 2020-11-17 | 2025-06-04 | 삼성전기주식회사 | 자성 시트 및 이를 이용한 코일 부품 |
| US12322695B2 (en) | 2020-12-01 | 2025-06-03 | Ferric Inc. | Magnetic core with hard ferromagnetic biasing layers and structures containing same |
| EP4367692A1 (en) * | 2021-07-16 | 2024-05-15 | Ferric Inc. | Ferromagnetic-polymer composite material and structures comprising same |
| US12224091B2 (en) | 2021-07-16 | 2025-02-11 | Ferric Inc. | Ferromagnetic-polymer composite material and structures comprising same |
| US12125713B2 (en) | 2022-03-22 | 2024-10-22 | Ferric Inc. | Method for manufacturing ferromagnetic-dielectric composite material |
| EP4569152A1 (en) * | 2022-08-10 | 2025-06-18 | Basf Se | Process for preparing coated organic particles |
| KR102703464B1 (ko) * | 2022-11-30 | 2024-09-06 | 한국전자기술연구원 | 전자기파 차폐용 복합재 및 이의 제조 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005501176A (ja) | 2001-07-18 | 2005-01-13 | ザ・リージエンツ・オブ・ザ・ユニバーシテイ・オブ・コロラド | コンフォーマル超薄膜を有する金属含有微粒子の絶縁化及び機能化方法 |
| JP2006188727A (ja) | 2005-01-05 | 2006-07-20 | Sony Corp | 金属磁性ナノ粒子群及びその製造方法 |
| JP2006351946A (ja) | 2005-06-17 | 2006-12-28 | Fuji Electric Holdings Co Ltd | 軟磁性成形体の製造方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3428121A1 (de) | 1984-07-31 | 1986-02-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von eisenpulver |
| DE3940347C2 (de) | 1989-12-06 | 1997-02-20 | Basf Ag | Verfahren zur Herstellung von Eisenwhiskers |
| JP3032927B2 (ja) * | 1993-02-05 | 2000-04-17 | 日鉄鉱業株式会社 | 表面に金属酸化物膜を有する金属又は金属化合物粉体 |
| US6713117B1 (en) | 1998-10-02 | 2004-03-30 | Dharma Kodali | Vegetable oil having elevated stearic acid content |
| US6613383B1 (en) | 1999-06-21 | 2003-09-02 | Regents Of The University Of Colorado | Atomic layer controlled deposition on particle surfaces |
| US6713177B2 (en) | 2000-06-21 | 2004-03-30 | Regents Of The University Of Colorado | Insulating and functionalizing fine metal-containing particles with conformal ultra-thin films |
| WO2007148734A1 (ja) * | 2006-06-20 | 2007-12-27 | Hitachi Metals, Ltd. | 金属微粒子及び生体物質抽出用の磁気ビーズ、並びにそれらの製造方法 |
| JP4585493B2 (ja) | 2006-08-07 | 2010-11-24 | 株式会社東芝 | 絶縁性磁性材料の製造方法 |
| CN103046033A (zh) | 2012-12-21 | 2013-04-17 | 中国钢研科技集团有限公司 | 一种包覆型羰基铁粉的制备方法 |
| JP7015647B2 (ja) * | 2016-06-30 | 2022-02-03 | 太陽誘電株式会社 | 磁性材料及び電子部品 |
| JP6930722B2 (ja) * | 2017-06-26 | 2021-09-01 | 太陽誘電株式会社 | 磁性材料、電子部品及び磁性材料の製造方法 |
| CN108183012A (zh) * | 2017-12-25 | 2018-06-19 | 郑州轻工业学院 | 一种提高铁基软磁复合材料压制密度的绝缘包覆处理方法 |
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- 2021-01-07 WO PCT/EP2021/050195 patent/WO2021140156A1/en not_active Ceased
- 2021-01-07 EP EP21700500.8A patent/EP4087694A1/en active Pending
- 2021-01-07 US US17/791,572 patent/US12180568B2/en active Active
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005501176A (ja) | 2001-07-18 | 2005-01-13 | ザ・リージエンツ・オブ・ザ・ユニバーシテイ・オブ・コロラド | コンフォーマル超薄膜を有する金属含有微粒子の絶縁化及び機能化方法 |
| JP2006188727A (ja) | 2005-01-05 | 2006-07-20 | Sony Corp | 金属磁性ナノ粒子群及びその製造方法 |
| JP2006351946A (ja) | 2005-06-17 | 2006-12-28 | Fuji Electric Holdings Co Ltd | 軟磁性成形体の製造方法 |
Also Published As
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| TWI907377B (zh) | 2025-12-11 |
| US12180568B2 (en) | 2024-12-31 |
| KR20220125325A (ko) | 2022-09-14 |
| WO2021140156A1 (en) | 2021-07-15 |
| EP4087694A1 (en) | 2022-11-16 |
| TW202137247A (zh) | 2021-10-01 |
| CN114938638A (zh) | 2022-08-23 |
| JP2023509796A (ja) | 2023-03-09 |
| IL294378A (en) | 2022-08-01 |
| US20220379373A1 (en) | 2022-12-01 |
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