WO2002081130A1 - Materiau fritte magnetique doux composite ayant une densite elevee et une permeabilite magnetique elevee, et procede permettant sa preparation - Google Patents

Materiau fritte magnetique doux composite ayant une densite elevee et une permeabilite magnetique elevee, et procede permettant sa preparation Download PDF

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Publication number
WO2002081130A1
WO2002081130A1 PCT/JP2002/003202 JP0203202W WO02081130A1 WO 2002081130 A1 WO2002081130 A1 WO 2002081130A1 JP 0203202 W JP0203202 W JP 0203202W WO 02081130 A1 WO02081130 A1 WO 02081130A1
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WIPO (PCT)
Prior art keywords
soft magnetic
composite soft
sintered material
powder
magnetic sintered
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PCT/JP2002/003202
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English (en)
French (fr)
Inventor
Kazunori Igarashi
Ryoji Nakayama
Koichiro Morimoto
Muneaki Watanabe
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Mitsubishi Materials Corporation
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Publication of WO2002081130A1 publication Critical patent/WO2002081130A1/ja

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing 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
    • 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
    • H01F1/33—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 mixtures of metallic and non-metallic particles; metallic particles having oxide skin
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
    • C04B2235/3274—Ferrites
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3279—Nickel oxides, nickalates, or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3281—Copper oxides, cuprates or oxide-forming salts thereof, e.g. CuO or Cu2O
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
PCT/JP2002/003202 2001-04-02 2002-03-29 Materiau fritte magnetique doux composite ayant une densite elevee et une permeabilite magnetique elevee, et procede permettant sa preparation WO2002081130A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001-103457 2001-04-02
JP2001103457 2001-04-02
JP2001221064 2001-07-23
JP2001-221064 2001-07-23

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PCT/JP2002/003202 WO2002081130A1 (fr) 2001-04-02 2002-03-29 Materiau fritte magnetique doux composite ayant une densite elevee et une permeabilite magnetique elevee, et procede permettant sa preparation
PCT/JP2002/003201 WO2002081129A1 (fr) 2001-04-02 2002-03-29 Materiau fritte magnetique doux composite ayant une densite elevee et une permeabilite magnetique elevee, et procede permettant sa preparation

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Cited By (1)

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CN111316385A (zh) * 2017-10-17 2020-06-19 株式会社电装 压粉磁芯、用于磁芯的粉末及其制造方法

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JP4548795B2 (ja) * 2004-03-29 2010-09-22 日立粉末冶金株式会社 焼結軟磁性部材の製造方法
US9269481B2 (en) * 2005-01-25 2016-02-23 Diamet Corporation Iron powder coated with Mg-containing oxide film
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
JP4327214B2 (ja) * 2007-05-21 2009-09-09 三菱製鋼株式会社 焼結軟磁性粉末成形体
US20100061877A1 (en) * 2008-09-11 2010-03-11 Mariam Sadaka Magnetic materials, and methods of formation
CA2743172A1 (en) * 2008-11-19 2010-05-27 Forest Laboratories Holdings Limited Crystalline form of linaclotide
TWI407462B (zh) 2009-05-15 2013-09-01 Cyntec Co Ltd 電感器及其製作方法
US20120107603A1 (en) * 2010-10-29 2012-05-03 General Electric Company Article formed using nanostructured ferritic alloy
JP5991460B2 (ja) * 2011-03-24 2016-09-14 住友電気工業株式会社 複合材料、リアクトル用コア、及びリアクトル
KR20140003056A (ko) * 2012-06-29 2014-01-09 삼성전기주식회사 파워 인덕터 및 그 제조방법
CN103996479B (zh) * 2014-05-22 2017-01-18 吴娟 一种导磁率μe200的铁硅铝磁粉芯的制造方法
JP6492534B2 (ja) * 2014-10-28 2019-04-03 アイシン精機株式会社 軟磁性体の製造方法
US10875095B2 (en) * 2015-03-19 2020-12-29 Murata Manufacturing Co., Ltd. Electronic component comprising magnetic metal powder
DE102015111527A1 (de) * 2015-07-16 2017-01-19 Lofelt Gmbh Vibrierender Aktor
WO2019031399A1 (ja) * 2017-08-10 2019-02-14 住友電気工業株式会社 圧粉磁心の製造方法、電磁部品の製造方法
CN110619985B (zh) * 2019-09-18 2021-11-09 横店集团东磁股份有限公司 一种鳞片状铁硅铝复合结构磁粉及其制备方法
CN113555178B (zh) * 2020-04-23 2024-03-01 山东精创磁电产业技术研究院有限公司 一种双主相软磁复合材料及其制备方法
JP7298568B2 (ja) * 2020-08-25 2023-06-27 株式会社村田製作所 磁性粉の製造方法および圧粉成形体の製造方法
CN112216504A (zh) * 2020-09-27 2021-01-12 深圳市铂科新材料股份有限公司 一种电感装置的制作方法及电感装置
CN113223843B (zh) * 2021-04-25 2022-12-20 宁波中科毕普拉斯新材料科技有限公司 一种复合软磁粉末的绝缘包覆方法
CN113921220B (zh) * 2021-09-03 2022-07-29 广东省科学院新材料研究所 一种混合软磁粉末及其在软磁粉芯制备中的应用

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JPS5638402A (en) * 1979-09-05 1981-04-13 Tdk Corp High density sintered magnetic body and its manufacture
JPS61255511A (ja) * 1985-05-07 1986-11-13 Alps Electric Co Ltd 磁気ヘツド用スライダ−材料
JPS61256967A (ja) * 1985-05-08 1986-11-14 住友特殊金属株式会社 Ｍｎ−Ｚｎ系フエライトの製造方法
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111316385A (zh) * 2017-10-17 2020-06-19 株式会社电装 压粉磁芯、用于磁芯的粉末及其制造方法

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US7371271B2 (en) 2008-05-13
US20040161600A1 (en) 2004-08-19

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