CN115837469A - 合金粉末、纳米晶体粉末和磁芯 - Google Patents
合金粉末、纳米晶体粉末和磁芯 Download PDFInfo
- Publication number
- CN115837469A CN115837469A CN202211151276.0A CN202211151276A CN115837469A CN 115837469 A CN115837469 A CN 115837469A CN 202211151276 A CN202211151276 A CN 202211151276A CN 115837469 A CN115837469 A CN 115837469A
- Authority
- CN
- China
- Prior art keywords
- alloy powder
- less
- powder according
- equal
- particles
- 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
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 124
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 124
- 239000000843 powder Substances 0.000 title claims abstract description 117
- 239000002159 nanocrystal Substances 0.000 title claims description 10
- 239000002245 particle Substances 0.000 claims abstract description 121
- 239000002344 surface layer Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 20
- 239000007788 liquid Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000002425 crystallisation Methods 0.000 description 8
- 230000008025 crystallization Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000001788 irregular Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 239000000110 cooling liquid Substances 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000009689 gas atomisation Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000009692 water atomization Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000007709 nanocrystallization Methods 0.000 description 4
- 239000012798 spherical particle Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 101000993059 Homo sapiens Hereditary hemochromatosis protein Proteins 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B22F1/054—Nanosized particles
-
- 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
- B22F1/06—Metallic powder characterised by the shape of the particles
-
- 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
- B22F1/07—Metallic powder characterised by particles having a nanoscale 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
- 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
- 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
-
- 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
- B22F9/002—Making metallic powder or suspensions thereof amorphous or microcrystalline
- B22F9/008—Rapid solidification processing
-
- 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
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
-
- 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
- H01F1/15333—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
-
- 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
-
- 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
-
- 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
- B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
-
- 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
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Electromagnetism (AREA)
- Dispersion Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021-154591 | 2021-09-22 | ||
| JP2021154591A JP7715589B2 (ja) | 2021-09-22 | 2021-09-22 | 合金粉末 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115837469A true CN115837469A (zh) | 2023-03-24 |
Family
ID=85572908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211151276.0A Pending CN115837469A (zh) | 2021-09-22 | 2022-09-21 | 合金粉末、纳米晶体粉末和磁芯 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US11866810B2 (https=) |
| JP (2) | JP7715589B2 (https=) |
| CN (1) | CN115837469A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7715589B2 (ja) * | 2021-09-22 | 2025-07-30 | 株式会社トーキン | 合金粉末 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4849545B2 (ja) | 2006-02-02 | 2012-01-11 | Necトーキン株式会社 | 非晶質軟磁性合金、非晶質軟磁性合金部材、非晶質軟磁性合金薄帯、非晶質軟磁性合金粉末、及びそれを用いた磁芯ならびにインダクタンス部品 |
| JP4514828B2 (ja) | 2008-08-22 | 2010-07-28 | 彰宏 牧野 | 合金組成物、Fe基ナノ結晶合金及びその製造方法、並びに磁性部品 |
| JP5110660B2 (ja) | 2009-07-21 | 2012-12-26 | Necトーキン株式会社 | 非晶質軟磁性粉末、トロイダルコア、インダクタおよびチョークコイル |
| EP3118868B1 (en) * | 2014-03-13 | 2020-10-07 | Hitachi Metals, Ltd. | Powder magnetic core manufacturing method |
| WO2017022595A1 (ja) * | 2015-07-31 | 2017-02-09 | 株式会社村田製作所 | 軟磁性粉末 |
| US11270821B2 (en) * | 2017-07-05 | 2022-03-08 | Panasonic Intellectual Property Management Co., Ltd. | Soft magnetic powder, method for producing same, and dust core using soft magnetic powder |
| JP6998549B2 (ja) * | 2017-07-05 | 2022-02-04 | パナソニックIpマネジメント株式会社 | 軟磁性粉末とその製造方法、および、それを用いた圧粉磁心 |
| EP3831975B1 (en) * | 2018-07-31 | 2022-07-06 | JFE Steel Corporation | Soft magnetic powder |
| JP7715589B2 (ja) * | 2021-09-22 | 2025-07-30 | 株式会社トーキン | 合金粉末 |
-
2021
- 2021-09-22 JP JP2021154591A patent/JP7715589B2/ja active Active
-
2022
- 2022-09-16 US US17/946,161 patent/US11866810B2/en active Active
- 2022-09-21 CN CN202211151276.0A patent/CN115837469A/zh active Pending
-
2023
- 2023-09-19 US US18/369,988 patent/US12338514B2/en active Active
-
2025
- 2025-07-17 JP JP2025120713A patent/JP2025138909A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US11866810B2 (en) | 2024-01-09 |
| JP2025138909A (ja) | 2025-09-25 |
| JP7715589B2 (ja) | 2025-07-30 |
| US20240011134A1 (en) | 2024-01-11 |
| US12338514B2 (en) | 2025-06-24 |
| US20230085762A1 (en) | 2023-03-23 |
| JP2023045961A (ja) | 2023-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110225801B (zh) | 软磁性粉末、Fe基纳米晶合金粉末、磁性部件及压粉磁芯 | |
| JP6741108B1 (ja) | 軟磁性合金および磁性部品 | |
| CN111128504B (zh) | 软磁性合金粉末、压粉磁芯、磁性部件及电子设备 | |
| US20230395292A1 (en) | Iron-based amorphous alloy powder, preparation method therefor and application thereof | |
| US20220208423A1 (en) | Soft magnetic alloy powder, dust core, magnetic component and electronic device | |
| CN114496439B (zh) | 软磁性合金、磁芯及磁性部件 | |
| JPWO2019031463A1 (ja) | Fe基合金、結晶質Fe基合金アトマイズ粉末、及び磁心 | |
| CN112837888B (zh) | 软磁性合金薄带及磁性部件 | |
| CN115837469A (zh) | 合金粉末、纳米晶体粉末和磁芯 | |
| CN112176246A (zh) | 纳米晶软磁性材料及其制造方法、用于其的Fe基合金 | |
| CN111681846B (zh) | 软磁性合金和磁性零件 | |
| US20210020341A1 (en) | Nanocrystalline soft magnetic alloy material and magnetic component | |
| CN112837879A (zh) | 软磁性合金薄带及磁性部件 | |
| CN113451013B (zh) | 磁芯、磁性部件和电子设备 | |
| JPWO2019189614A1 (ja) | 鉄基軟磁性粉末及びその製造方法、並びに鉄基軟磁性合金粉末を含む物品及びその製造方法 | |
| WO1999050857A1 (fr) | Poudre magnetique, son procede de preparation et aimant agglomere contenant cette poudre | |
| JP2003328092A (ja) | ボンド磁石用希土類合金粉末およびボンド磁石用コンパウンドならびにそれを用いたボンド磁石 | |
| JP2018137306A (ja) | 軟磁性粉末、磁性部品及び圧粉磁芯 | |
| CN113470917A (zh) | 软磁性合金、磁芯、磁性部件及电子设备 | |
| JP2022047439A (ja) | 圧粉磁心の製造方法 | |
| US11990272B2 (en) | Magnetic core, magnetic component, and electronic device | |
| WO2026088727A1 (ja) | 希土類ボンド磁石用材料および磁石 | |
| CN116190035A (zh) | 软磁性金属粉末、磁芯、磁性部件及电子设备 | |
| JP2023079827A (ja) | 軟磁性金属粉末、圧粉磁心、磁性部品および電子機器 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |