DE69508555D1 - Sinterformkörper aus hexagonalem ferrit - Google Patents
Sinterformkörper aus hexagonalem ferritInfo
- Publication number
- DE69508555D1 DE69508555D1 DE69508555T DE69508555T DE69508555D1 DE 69508555 D1 DE69508555 D1 DE 69508555D1 DE 69508555 T DE69508555 T DE 69508555T DE 69508555 T DE69508555 T DE 69508555T DE 69508555 D1 DE69508555 D1 DE 69508555D1
- Authority
- DE
- Germany
- Prior art keywords
- shaped body
- body made
- hexagonal ferrite
- sinter
- sinter shaped
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H01F1/032—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 hard-magnetic materials
- H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
-
- 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
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
-
- 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
- H01F1/34—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 non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
- H01F1/348—Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the microwave (GHz) range, e.g. having a hexagonal crystallographic structure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94203319 | 1994-11-15 | ||
PCT/IB1995/000926 WO1996015078A1 (en) | 1994-11-15 | 1995-10-26 | Moulding of sintered hexagonal ferrite material |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69508555D1 true DE69508555D1 (de) | 1999-04-29 |
DE69508555T2 DE69508555T2 (de) | 1999-09-23 |
Family
ID=8217379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69508555T Expired - Fee Related DE69508555T2 (de) | 1994-11-15 | 1995-10-26 | Sinterformkörper aus hexagonalem ferrit |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0739324B1 (de) |
JP (1) | JPH09507828A (de) |
DE (1) | DE69508555T2 (de) |
WO (1) | WO1996015078A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002068830A (ja) | 2000-09-01 | 2002-03-08 | Murata Mfg Co Ltd | 六方晶y型酸化物磁性材料およびインダクタ素子 |
EP1598835A4 (de) * | 2003-02-25 | 2008-06-25 | Tdk Corp | Ferritmagnetpulver, gesinterter magnet, bond-magnet undmagnetisches aufzeichnungsmedium |
WO2006064839A1 (ja) | 2004-12-17 | 2006-06-22 | Hitachi Metals, Ltd. | 六方晶フェライト並びにそれを用いたアンテナ及び通信機器 |
KR20090040407A (ko) | 2006-06-21 | 2009-04-24 | 히타치 긴조쿠 가부시키가이샤 | 자성체 안테나 및 페라이트 소결체 |
WO2008150013A1 (ja) | 2007-06-07 | 2008-12-11 | Hitachi Metals, Ltd. | チップアンテナ及びその製造方法、並びにかかるチップアンテナを有するアンテナ装置及び通信機器 |
US8524190B2 (en) | 2008-05-30 | 2013-09-03 | Skyworks Solutions, Inc. | Enhanced hexagonal ferrite material and methods of preparation and use thereof |
KR101515680B1 (ko) | 2008-10-20 | 2015-04-27 | 스카이워크스 솔루션즈, 인코포레이티드 | 자성-유전 조립체 및 그 제조방법 |
KR102325622B1 (ko) * | 2020-02-03 | 2021-11-12 | 주식회사 위츠 | 코일 모듈 및 이를 포함하는 전자 기기 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1236391B (de) * | 1956-05-16 | 1967-03-09 | Philips Nv | Verfahren zur Herstellung eines ferromagnetischen Ferritmaterials mit hexogonaler Kristallstruktur |
FR2034119A1 (en) * | 1969-02-07 | 1970-12-11 | Ugine Kuhlmann | Prepn of ferrites |
BE789187A (fr) * | 1971-09-24 | 1973-03-22 | Montedison Spa | Procede de preparation en continu de ferrites durs a partir d'oxydes defer |
-
1995
- 1995-10-26 WO PCT/IB1995/000926 patent/WO1996015078A1/en active IP Right Grant
- 1995-10-26 JP JP8515876A patent/JPH09507828A/ja not_active Abandoned
- 1995-10-26 EP EP95933600A patent/EP0739324B1/de not_active Expired - Lifetime
- 1995-10-26 DE DE69508555T patent/DE69508555T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1996015078A1 (en) | 1996-05-23 |
EP0739324A1 (de) | 1996-10-30 |
DE69508555T2 (de) | 1999-09-23 |
EP0739324B1 (de) | 1999-03-24 |
JPH09507828A (ja) | 1997-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |