WO2009145522A3 - 고투자율을 갖는 니켈 아연 페라이트 제조 방법 및 이를 이용한 안테나 - Google Patents
고투자율을 갖는 니켈 아연 페라이트 제조 방법 및 이를 이용한 안테나 Download PDFInfo
- Publication number
- WO2009145522A3 WO2009145522A3 PCT/KR2009/002691 KR2009002691W WO2009145522A3 WO 2009145522 A3 WO2009145522 A3 WO 2009145522A3 KR 2009002691 W KR2009002691 W KR 2009002691W WO 2009145522 A3 WO2009145522 A3 WO 2009145522A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ferrite
- preparation
- metal hydroxide
- permeability
- antenna
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0063—Mixed oxides or hydroxides containing zinc
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
-
- 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
-
- 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
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Magnetic Ceramics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
본 발명은 수 MHz의 고주파 대역에서 투자율/유전율의 비가 2 이상의 값을 가지고, 투자손실이 0.2 미만의 값을 가지는 니켈-아연 페라이트의 제조 방법을 제공하는 것을 목적으로 하며, 특히 안테나 기판 소재로 사용이 가능하며, 안테나의 소형화와 동일 수준의 고유전체와 비교하여 높은 이득을 얻을 수 있는 니켈-아연 페라이트의 제조 방법 및 이를 이용한 안테나를 제공하는 것을 목적으로 한다. 이를 달성하기 위한 본 발명은, (A) 염화 코발트물, 염화 아연물, 및 염화 철을 혼합하는 단계; (B) 상기 (A) 단계를 통하여 혼합된 용액을 수산화나트륨을 이용하여 공침시켜 금속수산화물 슬러리를 형성하는 단계; (C) 공침된 상기 금속수산화물 슬러리를 증류수로 세척하는 단계; (D) 세척 후 상기 금속수산화물 슬러리를 건조하는 단계; (E) 건조한 금속수산화물을 1차 열처리하는 단계; 및 (F) 상기 1차 열처리 후 2차 열처리하는 단계를 포함하는 고투자율을 갖는 니켈 아연 페라이트 제조 방법을 제공한다.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0049007 | 2008-05-27 | ||
KR1020080049007A KR20090123101A (ko) | 2008-05-27 | 2008-05-27 | 고투자율을 갖는 니켈 아연 페라이트 제조 방법 및 이를이용한 안테나 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009145522A2 WO2009145522A2 (ko) | 2009-12-03 |
WO2009145522A3 true WO2009145522A3 (ko) | 2010-02-25 |
Family
ID=41377749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2009/002691 WO2009145522A2 (ko) | 2008-05-27 | 2009-05-22 | 고투자율을 갖는 니켈 아연 페라이트 제조 방법 및 이를 이용한 안테나 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR20090123101A (ko) |
WO (1) | WO2009145522A2 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3429881B2 (ja) * | 1995-01-11 | 2003-07-28 | 旭テクノグラス株式会社 | 複合型六方晶系フェライト磁性粉及びその製造方法 |
KR20030064174A (ko) * | 2002-01-26 | 2003-07-31 | 대한민국(충남대학교) | 니켈아연-페라이트 분말을 제조하는 방법 |
WO2004100190A1 (ja) * | 2003-05-07 | 2004-11-18 | Meiji University Legal Person | スピネル型フェリ磁性粉及び磁気記録用媒体 |
-
2008
- 2008-05-27 KR KR1020080049007A patent/KR20090123101A/ko active Application Filing
-
2009
- 2009-05-22 WO PCT/KR2009/002691 patent/WO2009145522A2/ko active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3429881B2 (ja) * | 1995-01-11 | 2003-07-28 | 旭テクノグラス株式会社 | 複合型六方晶系フェライト磁性粉及びその製造方法 |
KR20030064174A (ko) * | 2002-01-26 | 2003-07-31 | 대한민국(충남대학교) | 니켈아연-페라이트 분말을 제조하는 방법 |
WO2004100190A1 (ja) * | 2003-05-07 | 2004-11-18 | Meiji University Legal Person | スピネル型フェリ磁性粉及び磁気記録用媒体 |
Also Published As
Publication number | Publication date |
---|---|
KR20090123101A (ko) | 2009-12-02 |
WO2009145522A2 (ko) | 2009-12-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104193224B (zh) | 一种微带天线有机复合基板材料及其制备方法 | |
CN104558396B (zh) | 一种纳米吸波屏蔽材料及其制备方法 | |
CN102076629A (zh) | 强化的六方晶系铁氧体材料及其制备方法以及用途 | |
EP2327674A4 (en) | PROCESS FOR THE PRODUCTION OF NICKEL MANGANESE COBALT SPINELLE FERRITE WITH LOW LOSSES BY PERMEATION AND NICKEL MANGANESE COBALT SPINELLE FERRITE SO PRODUCED | |
CN104446421A (zh) | 一种高磁导率镍锌软磁铁氧体材料及制备方法 | |
CN109897597B (zh) | 一种用于5g移动通讯频段的耐腐蚀羰基铁/石墨烯复合吸波材料的制备方法 | |
Guo et al. | Synthesis, electromagnetic and microwave absorption properties of Ba3Co2Fe24O41 hexaferrites for GHz application | |
CN107564656A (zh) | 一种微波铁氧体复合材料及其制备工艺 | |
CN112456562B (zh) | 一种铁氧体基复合材料及其制备方法和应用 | |
CN103848989A (zh) | 一种镍锌铁氧体/聚苯胺复合材料的制备方法 | |
KR101105595B1 (ko) | 페라이트 제조방법 | |
CN102020974B (zh) | 羰基铁粉/锰酸锶镧复合材料及其制备方法 | |
WO2009145522A3 (ko) | 고투자율을 갖는 니켈 아연 페라이트 제조 방법 및 이를 이용한 안테나 | |
CN103613373B (zh) | Co-Zn共掺杂铁氧体复合吸波材料及其制备方法 | |
CN103922716B (zh) | 锌掺杂w型钡铁氧体的复合吸波材料及其制备方法 | |
CN104891976A (zh) | 一种低损耗镍锌铁氧体材料及其制备方法 | |
CN106589363B (zh) | 一种聚苯胺/w型锶铁氧体复合材料的制备方法及其应用 | |
CN109943285A (zh) | 一种高性能吸波材料核壳结构CoxFe3-xO4@MoS2纳米复合物及其合成方法 | |
CN104030668B (zh) | 多共振吸收的锆掺杂钡铁氧体宽频吸波材料及其制备方法 | |
Fujii et al. | Co2-Y ferrite modified by CuO addition applied to a terrestrial broadcasting antenna | |
CN108773858A (zh) | 一种p波段表面波吸收材料及其制备方法 | |
Awad et al. | New UWB antenna with inverted F and U shape slots to reject WLAN and X-band applications | |
CN104891979A (zh) | 一种宽温镁铜锌软磁铁氧体磁芯及其制备方法 | |
CN113453524B (zh) | 一种基于竹木材三维孔框架的磁性金属复合材及其制备方法和应用 | |
CN105382252B (zh) | 一种单分散的镍微球粉体电磁波吸收材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09754987 Country of ref document: EP Kind code of ref document: A2 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 09754987 Country of ref document: EP Kind code of ref document: A2 |