KR101026951B1 - 페라이트 구조체 및 페라이트의 투자율 조정 방법 - Google Patents
페라이트 구조체 및 페라이트의 투자율 조정 방법 Download PDFInfo
- Publication number
- KR101026951B1 KR101026951B1 KR1020080032965A KR20080032965A KR101026951B1 KR 101026951 B1 KR101026951 B1 KR 101026951B1 KR 1020080032965 A KR1020080032965 A KR 1020080032965A KR 20080032965 A KR20080032965 A KR 20080032965A KR 101026951 B1 KR101026951 B1 KR 101026951B1
- Authority
- KR
- South Korea
- Prior art keywords
- ferrite
- soft
- hard
- permeability
- soft ferrite
- Prior art date
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Classifications
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- 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
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H01F1/0311—Compounds
- H01F1/0313—Oxidic compounds
- H01F1/0315—Ferrites
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- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
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- 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
- C04B2235/327—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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (7)
- 소프트 페라이트(Soft Ferrite), 및상기 소프트 페라이트의 측방에 소정 거리 이격되어 배치되며, 잔류 자화를 갖는 하드 페라이트(Hard Ferrite)를 포함하고,상기 하드 페라이트의 잔류 자화에 의해 상기 소프트 페라이트의 자기모멘트의 정렬 정도가 높아져서 상기 소프트 페라이트의 투자율이 증가하되,상기 소프트 페라이트의 투자율은 상기 하드 페라이트의 잔류 자화 크기, 상기 소정 거리, 및 상기 소프트 페라이트에 대한 상기 하드 페라이트의 배치 위치에 의해 정해지는 페라이트 구조체.
- 제1항에 있어서,상기 하드 페라이트는 상기 소프트 페라이트의 양측에 한쌍으로 배치되는, 페라이트 구조체.
- 삭제
- 제1항에 있어서,상기 하드 페라이트는 상기 소프트 페라이트의 상하부에 한쌍으로 배치되는, 페라이트 구조체.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
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KR1020080032965A KR101026951B1 (ko) | 2008-04-10 | 2008-04-10 | 페라이트 구조체 및 페라이트의 투자율 조정 방법 |
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KR1020080032965A KR101026951B1 (ko) | 2008-04-10 | 2008-04-10 | 페라이트 구조체 및 페라이트의 투자율 조정 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20090107612A KR20090107612A (ko) | 2009-10-14 |
KR101026951B1 true KR101026951B1 (ko) | 2011-04-11 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020080032965A KR101026951B1 (ko) | 2008-04-10 | 2008-04-10 | 페라이트 구조체 및 페라이트의 투자율 조정 방법 |
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KR (1) | KR101026951B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4388131A (en) | 1977-05-02 | 1983-06-14 | Burroughs Corporation | Method of fabricating magnets |
JPH0529129A (ja) * | 1991-07-22 | 1993-02-05 | Somitsuku Ishikawa:Kk | 磁石装置 |
JP2007067994A (ja) * | 2005-09-01 | 2007-03-15 | Sony Corp | アンテナ |
-
2008
- 2008-04-10 KR KR1020080032965A patent/KR101026951B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4388131A (en) | 1977-05-02 | 1983-06-14 | Burroughs Corporation | Method of fabricating magnets |
JPH0529129A (ja) * | 1991-07-22 | 1993-02-05 | Somitsuku Ishikawa:Kk | 磁石装置 |
JP2007067994A (ja) * | 2005-09-01 | 2007-03-15 | Sony Corp | アンテナ |
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KR20090107612A (ko) | 2009-10-14 |
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