KR100737826B1 - 비정질분말 코어 및 그 제조방법 - Google Patents
비정질분말 코어 및 그 제조방법 Download PDFInfo
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- KR100737826B1 KR100737826B1 KR1020050132644A KR20050132644A KR100737826B1 KR 100737826 B1 KR100737826 B1 KR 100737826B1 KR 1020050132644 A KR1020050132644 A KR 1020050132644A KR 20050132644 A KR20050132644 A KR 20050132644A KR 100737826 B1 KR100737826 B1 KR 100737826B1
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- amorphous powder
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- copper oxide
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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
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- 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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- H01F1/01—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
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- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
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- 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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- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
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- 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
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- 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
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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Abstract
Description
| 조건 번호 | 산화조건 | 실효투자율 (μeff.) | 투자율비 (μ10㎒ /μ0.1㎒) | 자심손실 (Bm=0.1 T ,50 ㎑) | 코어밀도 (g/㎤) | ||
| 0.1MHz | 1MHz | 10MHz | |||||
| 실시예 1 | 400℃, 40분 | 22.9 | 22.5 | 21.3 | 0.93 | 145 mW/cm3 | 5.8 |
| 실시예 2 | 400℃, 60분 | 16.5 | 16.2 | 15.7 | 0.95 | 138 mW/cm3 | 5.7 |
Claims (9)
- 급속 응고에 의하여 비정질분말을 제조하고,상기 비정질분말 표면에 구리를 코팅하되, 구리의 코팅은 무전해 도금법으로 최대 1 μm 두께의 구리층을 제조하고,구리가 코팅된 상기 비정질분말을 산화시켜 표면에 구리 산화물을 형성시키고,구리 산화물이 표면에 형성된 상기 비정질분말을 성형하여 비정질분말 코어를 얻는 것을 특징으로 하는비정질분말 코어 제조방법.
- 제1항에 있어서, 상기 비정질 분말이 비정질 분말의 구성 성분으로 이루어진 합금의 용융물을 가스 분무, 원심 분무, 수 분무 또는 멜트 스피닝 후 분쇄하는 방법으로 급속 응고시켜 제조되는 것인 비정질분말 코어 제조 방법.
- 삭제
- 제1항에 있어서, 구리가 코팅된 상기 비정질분말의 산화는 대기중, 400 ℃의 온도에서 60분 이하로 하는 것을 특징으로 하는 비정질분말 코어 제조 방법.
- 제1항에 있어서, 상기 비정질분말의 성형은 압축성형을 특징으로 하는 비정질분말 코어 제조 방법.
- 제1항에 있어서, 상기 비정질분말은 Fe-Si-B계 비정질합금인 것을 특징으로 하는 비정질분말 코어 제조 방법.
- 제1항에 있어서, 상기 비정질분말은 Fe계 및 Co계 비정질 또는 나노결정구조 합금인 것을 특징으로 하는 비정질분말 코어 제조 방법.
- 제1항에 있어서, 상기 구리 산화물은 CuO 또는 Cu2O인 것을 특징으로 하는 비정질분말 코어 제조 방법.
- 삭제
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050132644A KR100737826B1 (ko) | 2005-12-28 | 2005-12-28 | 비정질분말 코어 및 그 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050132644A KR100737826B1 (ko) | 2005-12-28 | 2005-12-28 | 비정질분말 코어 및 그 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070069948A KR20070069948A (ko) | 2007-07-03 |
| KR100737826B1 true KR100737826B1 (ko) | 2007-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050132644A Expired - Fee Related KR100737826B1 (ko) | 2005-12-28 | 2005-12-28 | 비정질분말 코어 및 그 제조방법 |
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| Country | Link |
|---|---|
| KR (1) | KR100737826B1 (ko) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6222402A (ja) | 1985-07-23 | 1987-01-30 | Tdk Corp | 非晶質磁性合金粉末とその製造方法 |
| KR20010030093A (ko) * | 1999-08-19 | 2001-04-16 | 사토 히로시 | 산화물 자성재료 및 칩부품 |
| JP2004273582A (ja) | 2003-03-06 | 2004-09-30 | Tdk Corp | 接着性に優れた希土類永久磁石 |
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2005
- 2005-12-28 KR KR1020050132644A patent/KR100737826B1/ko not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6222402A (ja) | 1985-07-23 | 1987-01-30 | Tdk Corp | 非晶質磁性合金粉末とその製造方法 |
| KR20010030093A (ko) * | 1999-08-19 | 2001-04-16 | 사토 히로시 | 산화물 자성재료 및 칩부품 |
| JP2004273582A (ja) | 2003-03-06 | 2004-09-30 | Tdk Corp | 接着性に優れた希土類永久磁石 |
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| Publication number | Publication date |
|---|---|
| KR20070069948A (ko) | 2007-07-03 |
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