JP7416212B2 - 軟磁性合金粉末、磁心、磁気応用部品およびノイズ抑制シート - Google Patents

軟磁性合金粉末、磁心、磁気応用部品およびノイズ抑制シート Download PDF

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JP7416212B2
JP7416212B2 JP2022512088A JP2022512088A JP7416212B2 JP 7416212 B2 JP7416212 B2 JP 7416212B2 JP 2022512088 A JP2022512088 A JP 2022512088A JP 2022512088 A JP2022512088 A JP 2022512088A JP 7416212 B2 JP7416212 B2 JP 7416212B2
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soft magnetic
magnetic alloy
alloy powder
axis length
alloy particles
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Japanese (ja)
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JPWO2021200600A1 (https=
JPWO2021200600A5 (https=
Inventor
ケン ラン
和宏 逸見
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Murata Manufacturing Co Ltd
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Murata Manufacturing Co Ltd
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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
    • B22F1/08—Metallic powder characterised by particles having an amorphous microstructure
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • H01F1/147—Alloys characterised by their composition
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15358—Making agglomerates therefrom, e.g. by pressing
    • H01F1/15366—Making agglomerates therefrom, e.g. by pressing using a binder
    • 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
    • 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
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/35—Iron
    • 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
    • B22F2304/00—Physical aspects of the powder
    • B22F2304/05—Submicron size particles
    • B22F2304/054—Particle size between 1 and 100 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/255—Magnetic cores made from particles

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
JP2022512088A 2020-03-31 2021-03-25 軟磁性合金粉末、磁心、磁気応用部品およびノイズ抑制シート Active JP7416212B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020064421 2020-03-31
JP2020064421 2020-03-31
PCT/JP2021/012719 WO2021200600A1 (ja) 2020-03-31 2021-03-25 軟磁性合金粉末、磁心、磁気応用部品およびノイズ抑制シート

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JPWO2021200600A1 JPWO2021200600A1 (https=) 2021-10-07
JPWO2021200600A5 JPWO2021200600A5 (https=) 2022-11-22
JP7416212B2 true JP7416212B2 (ja) 2024-01-17

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US (1) US20230025020A1 (https=)
JP (1) JP7416212B2 (https=)
CN (1) CN115362039B (https=)
DE (1) DE112021000677T5 (https=)
WO (1) WO2021200600A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7844891B2 (ja) 2022-01-27 2026-04-14 セイコーエプソン株式会社 アモルファス合金軟磁性粉末の製造方法
EP4638041A1 (en) * 2022-12-20 2025-10-29 Commonwealth Scientific and Industrial Research Organisation A method of producing spheroidal metallic particles
JP2024117951A (ja) * 2023-02-20 2024-08-30 セイコーエプソン株式会社 アモルファス合金軟磁性粉末、圧粉磁心、磁性素子および電子機器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014240516A (ja) 2013-06-12 2014-12-25 日立金属株式会社 ナノ結晶軟磁性合金及びこれを用いた磁性部品
JP2016003366A (ja) 2014-06-17 2016-01-12 Ｎｅｃトーキン株式会社 軟磁性合金粉末並びにそれを用いた圧粉磁芯及びその製造方法

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
DE112010000836T5 (de) * 2009-01-20 2012-12-06 Hitachi Metals, Ltd. Band aus einer weichmagnetischen Legierung und Herstellungsverfahren dafür sowie magnetische Vorrichtung mit dem Band aus einer weichmagnetischen Legierung
KR101805348B1 (ko) 2012-01-18 2017-12-06 히타치 긴조쿠 가부시키가이샤 압분자심, 코일 부품 및 압분자심의 제조 방법
JP6088192B2 (ja) * 2012-10-05 2017-03-01 Ｎｅｃトーキン株式会社 圧粉磁芯の製造方法
WO2017022594A1 (ja) * 2015-07-31 2017-02-09 株式会社村田製作所 軟磁性材料およびその製造方法
JP6651082B2 (ja) * 2015-07-31 2020-02-19 Ｊｆｅスチール株式会社 軟磁性圧粉磁芯の製造方法
JP6867966B2 (ja) * 2018-03-09 2021-05-12 Tdk株式会社 軟磁性合金粉末、圧粉磁心および磁性部品
JP6867965B2 (ja) * 2018-03-09 2021-05-12 Tdk株式会社 軟磁性合金粉末、圧粉磁心および磁性部品
JP6773193B2 (ja) * 2019-10-21 2020-10-21 Tdk株式会社 軟磁性合金粉末、圧粉磁心および磁性部品

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014240516A (ja) 2013-06-12 2014-12-25 日立金属株式会社 ナノ結晶軟磁性合金及びこれを用いた磁性部品
JP2016003366A (ja) 2014-06-17 2016-01-12 Ｎｅｃトーキン株式会社 軟磁性合金粉末並びにそれを用いた圧粉磁芯及びその製造方法

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JPWO2021200600A1 (https=) 2021-10-07
DE112021000677T5 (de) 2022-12-22
US20230025020A1 (en) 2023-01-26
CN115362039B (zh) 2024-09-17
CN115362039A (zh) 2022-11-18
WO2021200600A1 (ja) 2021-10-07

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