JP2019035140A - Fe系ナノ結晶粒合金及びこれを用いた電子部品 - Google Patents
Fe系ナノ結晶粒合金及びこれを用いた電子部品 Download PDFInfo
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- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C45/02—Amorphous alloys with iron as the major constituent
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- 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
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- 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
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- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
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- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
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- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
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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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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- C—CHEMISTRY; METALLURGY
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- C22C2200/02—Amorphous
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2200/00—Crystalline structure
- C22C2200/04—Nanocrystalline
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder
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Abstract
Description
以下、本発明の一実施形態による電子部品について説明する。代表的な例としてコイル部品を選定したが、後述するFe系ナノ結晶粒合金は、コイル部品以外にも、他の電子部品、例えば、無線充電装置、フィルタなどにも適用されることができるのは明白である。
本発明の発明者らの研究によると、特定の組成のFe系ナノ結晶粒合金では、相対的に大粒径の粒子や厚さの大きい金属リボンの形態に製造する際に、母相の非晶質性が高いことが確認できた。母相の非晶質性能と飽和磁束密度に優れた合金組成の範囲が確認され、特に、Cを添加してその含量を適宜調節することで、従来よりも飽和磁束密度が向上したことが確認された。ここで、相対的に大粒径の粒子とは、D50が約20μmである場合として定義され、例えば、磁性粒子111のD50が約20〜40μmである場合に該当する。また、金属リボンの形態に製造される場合には、約20μm以上の厚さを有する場合に該当するが、直径や厚さの基準は絶対的なものではなく、状況によって変更されることができる。
101 シール材
102 支持部材
103 コイル部
111 磁性粒子
112 絶縁体
120、130 外部電極
C コア領域
Claims (12)
- (Fe(1−a)M1 a)100−b−c−d−e−gM2 bBcPdCueM3 gの組成式で表され、ここで、M1はCo及びNiからなる群から選択される少なくとも1種の元素であり、M2はNb、Mo、Zr、Ta、W、Hf、Ti、V、Cr、及びMnからなる群から選択される少なくとも1種の元素であり、M3はC、Si、Al、Ga、及びGeからなる群から選択される少なくとも2種の元素で、かつCを必須元素として含み、a、b、c、d、e、gは、原子%で、0≦a≦0.5、1.5<b≦3、10≦c≦13、0<d≦4、0<e≦1.5、8.5≦g≦12の含量条件を満たす、Fe系ナノ結晶粒合金。
- C含量/(Fe含量+C含量)は、重量比で、0.1%以上0.7%以下である、請求項1に記載のFe系ナノ結晶粒合金。
- D50は、20μm以上である多数の粒子形態である、請求項1又は2に記載のFe系ナノ結晶粒合金。
- 母相は非晶質単相構造である、請求項1から3のいずれか一項に記載のFe系ナノ結晶粒合金。
- 熱処理後の結晶粒の大きさは、50nm以下である、請求項1から4のいずれか一項に記載のFe系ナノ結晶粒合金。
- 1.4T以上の飽和磁束密度を有する、請求項1に記載のFe系ナノ結晶粒合金。
- コイル部と、
前記コイル部をシールし、絶縁体と該絶縁体に分散された多数の磁性粒子を含むシール材と、を含み、
前記磁性粒子は、(Fe(1−a)M1 a)100−b−c−d−e−gM2 bBcPdCueM3 gの組成式で表され、ここで、M1はCo及びNiからなる群から選択される少なくとも1種の元素であり、M2はNb、Mo、Zr、Ta、W、Hf、Ti、V、Cr、及びMnからなる群から選択される少なくとも1種の元素であり、M3はC、Si、Al、Ga、及びGeからなる群から選択される少なくとも2種の元素で、かつCを必須元素として含み、a、b、c、d、e、gは、原子%で、0≦a≦0.5、1.5<b≦3、10≦c≦13、0<d≦4、0<e≦1.5、8.5≦g≦12の含量条件を満たす、Fe系ナノ結晶粒合金を含む電子部品。 - 前記Fe系ナノ結晶粒合金は、C含量/(Fe含量+C含量)が、重量比で、0.1%以上0.7%以下である、請求項7に記載の電子部品。
- 前記多数の磁性粒子は、D50が20μm以上である、請求項7又は8に記載の電子部品。
- 前記Fe系ナノ結晶粒合金は、母相が非晶質単相構造である、請求項7から9のいずれか一項に記載の電子部品。
- 前記Fe系ナノ結晶粒合金は、結晶粒の大きさが50nm以下である、請求項7から10のいずれか一項に記載の電子部品。
- 前記Fe系ナノ結晶粒合金は、1.4T以上の飽和磁束密度を有する、請求項7から11のいずれか一項に記載の電子部品。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20170105060 | 2017-08-18 | ||
| KR10-2017-0105060 | 2017-08-18 | ||
| KR1020170144474A KR102465581B1 (ko) | 2017-08-18 | 2017-11-01 | Fe계 나노결정립 합금 및 이를 이용한 전자부품 |
| KR10-2017-0144474 | 2017-11-01 |
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| JP2019035140A true JP2019035140A (ja) | 2019-03-07 |
| JP7322350B2 JP7322350B2 (ja) | 2023-08-08 |
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| JP2018117410A Active JP7322350B2 (ja) | 2017-08-18 | 2018-06-20 | Fe系ナノ結晶粒合金及びこれを用いた電子部品 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113025906A (zh) * | 2021-03-05 | 2021-06-25 | 江西大有科技有限公司 | 铁基纳米晶合金材料及其制作方法 |
| JP2022050132A (ja) * | 2020-09-17 | 2022-03-30 | 日本製鉄株式会社 | Fe系合金、Fe系合金薄帯、Fe系非晶質合金及びFe系非晶質合金薄帯 |
| JP2023118192A (ja) * | 2022-02-15 | 2023-08-25 | ダイハツ工業株式会社 | 車両制御装置 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7099482B2 (ja) * | 2020-01-07 | 2022-07-12 | 株式会社村田製作所 | コイル部品 |
| KR102372134B1 (ko) * | 2021-07-23 | 2022-03-08 | 신건일 | 전자파 차폐필터 |
| WO2023043288A1 (ko) * | 2021-09-17 | 2023-03-23 | 주식회사 아모그린텍 | Fe계 연자성 합금 및 이의 제조방법 |
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- 2017-11-01 KR KR1020170144474A patent/KR102465581B1/ko active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2022050132A (ja) * | 2020-09-17 | 2022-03-30 | 日本製鉄株式会社 | Fe系合金、Fe系合金薄帯、Fe系非晶質合金及びFe系非晶質合金薄帯 |
| JP7610097B2 (ja) | 2020-09-17 | 2025-01-08 | 日本製鉄株式会社 | Fe系合金薄帯及びFe系非晶質合金薄帯 |
| CN113025906A (zh) * | 2021-03-05 | 2021-06-25 | 江西大有科技有限公司 | 铁基纳米晶合金材料及其制作方法 |
| JP2023118192A (ja) * | 2022-02-15 | 2023-08-25 | ダイハツ工業株式会社 | 車両制御装置 |
| JP7778587B2 (ja) | 2022-02-15 | 2025-12-02 | ダイハツ工業株式会社 | 車両制御装置 |
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| Publication number | Publication date |
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| JP7322350B2 (ja) | 2023-08-08 |
| US20230160047A1 (en) | 2023-05-25 |
| KR102465581B1 (ko) | 2022-11-11 |
| KR20190019796A (ko) | 2019-02-27 |
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