HK1055287A1 - Ferrite material - Google Patents

Ferrite material

Info

Publication number
HK1055287A1
HK1055287A1 HK03107565A HK03107565A HK1055287A1 HK 1055287 A1 HK1055287 A1 HK 1055287A1 HK 03107565 A HK03107565 A HK 03107565A HK 03107565 A HK03107565 A HK 03107565A HK 1055287 A1 HK1055287 A1 HK 1055287A1
Authority
HK
Hong Kong
Prior art keywords
ferrite material
ferrite
Prior art date
Application number
HK03107565A
Other languages
English (en)
Inventor
Takuya Aoki
Ko Ito
Bungo Sakurai
Yukio Takahashi
Tatsuya Shimazaki
Hidenobu Umeda
Akinori Ohi
Original Assignee
Tdk Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2000249240A external-priority patent/JP3635016B2/ja
Priority claimed from JP2000256797A external-priority patent/JP3487552B2/ja
Application filed by Tdk Corp filed Critical Tdk Corp
Publication of HK1055287A1 publication Critical patent/HK1055287A1/xx

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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped 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
    • C04B35/265Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/10Magnets 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
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    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/0018Mixed oxides or hydroxides
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    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/0018Mixed oxides or hydroxides
    • C01G49/0063Mixed oxides or hydroxides containing zinc
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    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00Compounds of nickel
    • C01G53/006Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped 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
    • C04B35/2666Other ferrites containing nickel, copper or cobalt
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/34Magnets 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
    • H01F1/342Oxides
    • H01F1/344Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
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    • C01P2006/42Magnetic properties
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    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3262Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
    • C04B2235/3265Mn2O3
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3275Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3284Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
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    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3298Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate
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    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/3427Silicates other than clay, e.g. water glass
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    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Compounds Of Iron (AREA)
HK03107565A 2000-08-21 2003-10-17 Ferrite material HK1055287A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000249240A JP3635016B2 (ja) 2000-08-21 2000-08-21 フェライト材料
JP2000256797A JP3487552B2 (ja) 2000-08-28 2000-08-28 フェライト材料
JP2000256798 2000-08-28
PCT/JP2001/006692 WO2002016268A1 (fr) 2000-08-21 2001-08-03 Materiau en ferrite

Publications (1)

Publication Number Publication Date
HK1055287A1 true HK1055287A1 (en) 2004-01-02

Family

ID=27344383

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03107565A HK1055287A1 (en) 2000-08-21 2003-10-17 Ferrite material

Country Status (8)

Country Link
US (1) US6736990B2 (xx)
EP (3) EP1314697B1 (xx)
KR (1) KR100455510B1 (xx)
CN (2) CN1196651C (xx)
DE (3) DE60134683D1 (xx)
HK (1) HK1055287A1 (xx)
TW (1) TW538018B (xx)
WO (1) WO2002016268A1 (xx)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4204329B2 (ja) * 2002-01-21 2009-01-07 三洋電機株式会社 酸化物磁性材料の製造方法
JP4736311B2 (ja) * 2003-07-14 2011-07-27 パナソニック株式会社 磁性フェライトおよびそれを用いた磁性素子
TWI303073B (en) * 2003-09-03 2008-11-11 Tdk Corp Ferrite material, ferrite sintered body, and inductor
CN1326805C (zh) * 2004-03-11 2007-07-18 横店集团东磁有限公司 一种低温共烧NiCuZn铁氧体材料及其制备方法
JP5196704B2 (ja) * 2004-03-12 2013-05-15 京セラ株式会社 フェライト焼結体の製造方法
CN100353468C (zh) * 2004-08-05 2007-12-05 秦会斌 抗干扰镁锌铁氧体及制造方法
JP3971766B2 (ja) * 2004-11-29 2007-09-05 Tdk株式会社 フェライト材料およびそれを用いた電子部品
CN100415653C (zh) * 2005-03-24 2008-09-03 上海大学 纳米尖晶石型ZnFe2O4的制备方法
CN100340525C (zh) * 2005-09-06 2007-10-03 横店集团东磁有限公司 高初始磁导率、低损耗NiZn铁氧体材料及其制备方法
FR2899579B1 (fr) * 2006-04-05 2008-07-04 Thales Sa Materiau ferrite a faibles pertes et a basse temperature de frittage, procede de fabrication et composant magnetique comportant ledit materiau ferrite
JP4640377B2 (ja) * 2007-05-30 2011-03-02 Tdk株式会社 積層インダクタ部品
CN101286397B (zh) * 2008-02-01 2010-11-03 桐乡特丽优电子科技有限公司 初始磁导率为40-8+8的镍锌铁氧体材料及制备方法
TWI416550B (zh) * 2008-06-24 2013-11-21 Chilisin Electronics Corp Composition and method of ferrite material with stable permeability
KR101045781B1 (ko) * 2008-08-12 2011-07-04 주식회사 이엠따블유 저투자손실을 가지는 니켈 망간 코발트 스피넬 페라이트 제조 방법 및 이에 의해 제조된 니켈 망간 코발트 스피넬 페라이트
CN101968983B (zh) * 2010-09-01 2012-06-13 四川省德阳博益磁性材料有限公司 高阻抗宽频软磁铁氧体材料、磁环及其制备工艺
JP5713931B2 (ja) * 2012-02-06 2015-05-07 Jfeケミカル株式会社 マイクロ波吸収発熱体用NiMgCuZnフェライト粉およびその粉末を用いたマイクロ波吸収発熱体
CN102807361B (zh) * 2012-07-03 2014-10-22 天通控股股份有限公司 一种无线信号感应用镍锌铁氧体材料、薄片磁心及其制备方法
JP6147638B2 (ja) * 2013-10-07 2017-06-14 Tdk株式会社 フェライト組成物および電子部品
CN103803963A (zh) * 2013-12-27 2014-05-21 电子科技大学 一种NiCuZn铁氧体材料及其制备方法
CN108141994B (zh) * 2015-09-30 2020-02-07 阿莫善斯有限公司 磁场屏蔽单元、包括其的模块及包括其的便携式设备
CN106431378A (zh) * 2016-08-31 2017-02-22 中山市华佑磁芯材料有限公司 一种高频无铅铁氧体材料的配方
CN106431376A (zh) * 2016-08-31 2017-02-22 中山市华佑磁芯材料有限公司 一种高频无铅铁氧体材料的配方
CN106851941B (zh) * 2017-03-02 2019-04-23 深圳市明宇达智能设备有限公司 一种带有自我保护功能的智能照明系统及其控制方法
CN108947544A (zh) * 2018-06-28 2018-12-07 宁波高新区兆丰微晶新材料有限公司 Ni-Zn-Cu系铁氧体颗粒及其制备方法
CN109516794A (zh) * 2018-10-29 2019-03-26 山东同方鲁颖电子有限公司 一种磁导率为300的软磁铁氧体材料及其制备方法
US11682509B2 (en) 2018-11-15 2023-06-20 Rogers Corporation High frequency magnetic films, method of manufacture, and uses thereof
JP6927184B2 (ja) * 2018-11-29 2021-08-25 株式会社村田製作所 磁性材料、電子部品及び巻線コア
CN109665832A (zh) * 2018-12-10 2019-04-23 安徽精磁电子有限公司 一种低功耗、高叠加特性的磁芯及其制备方法
CN109734432B (zh) * 2019-01-23 2021-06-25 深圳顺络电子股份有限公司 一种车载用宽温抗应力铁氧体材料和磁芯、及其制造方法
CN110128124B (zh) * 2019-05-13 2021-12-07 海宁联丰磁业股份有限公司 一种宽温超低损耗软磁铁氧体材料及其制备方法
US11679991B2 (en) 2019-07-30 2023-06-20 Rogers Corporation Multiphase ferrites and composites comprising the same
TW202116700A (zh) 2019-09-24 2021-05-01 美商羅傑斯公司 鉍釕m型六方晶系鐵氧體、包含彼之組合物及複合物、及製造方法
US11783975B2 (en) 2019-10-17 2023-10-10 Rogers Corporation Nanocrystalline cobalt doped nickel ferrite particles, method of manufacture, and uses thereof
WO2021167785A1 (en) 2020-02-21 2021-08-26 Rogers Corporation Z-type hexaferrite having a nanocrystalline structure
CN112390639B (zh) * 2020-11-30 2022-08-26 横店集团东磁股份有限公司 一种电磁吸收与屏蔽的铁氧体材料、电磁波吸收体及其制备方法
CN114195497A (zh) * 2021-10-18 2022-03-18 江西瑞吉磁电子科技有限公司 一种高频、高居里温度磁芯材料及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2617301B2 (ja) 1987-01-06 1997-06-04 ティーディーケイ株式会社 酸化物磁性材料
JPH01228108A (ja) 1988-03-09 1989-09-12 Tokin Corp Ni−Cu−Zn系酸化物磁性材料とその製造方法
JP2679716B2 (ja) * 1990-01-25 1997-11-19 株式会社村田製作所 フェライトコア焼成用材料
JP3405630B2 (ja) * 1994-12-26 2003-05-12 京セラ株式会社 フェライト材料
KR0131840B1 (ko) * 1995-05-31 1998-04-13 김익명 Ni-Cu-Zn계 산화물 자성재료
JP3672161B2 (ja) * 1997-07-16 2005-07-13 Tdk株式会社 フェライトの製造方法およびインダクタの製造方法
TW422826B (en) * 1997-09-25 2001-02-21 Tdk Corp Radio wave absorbent
JP3181560B2 (ja) 1998-10-23 2001-07-03 ティーディーケイ株式会社 フェライト酸化物磁性材料
JP3698248B2 (ja) * 2000-01-21 2005-09-21 Tdk株式会社 コイル部品用酸化物磁性材料の製造方法
JP4255044B2 (ja) * 2000-03-13 2009-04-15 Tdk株式会社 酸化物磁性材料及び酸化物磁性材料の製造方法

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DE60137550D1 (de) 2009-03-12
WO2002016268A1 (fr) 2002-02-28
CN1196651C (zh) 2005-04-13
TW538018B (en) 2003-06-21
CN1269766C (zh) 2006-08-16
DE60129568T2 (de) 2008-04-17
CN1388794A (zh) 2003-01-01
DE60134683D1 (de) 2008-08-14
US6736990B2 (en) 2004-05-18
CN1537824A (zh) 2004-10-20
KR100455510B1 (ko) 2004-11-06
EP1314697A1 (en) 2003-05-28
EP1314697A4 (en) 2005-07-20
US20020175311A1 (en) 2002-11-28
EP1314697B1 (en) 2007-07-25
EP1666422B1 (en) 2008-07-02
EP1666421B1 (en) 2009-01-21
DE60129568D1 (de) 2007-09-06
EP1666421A1 (en) 2006-06-07
EP1666422A1 (en) 2006-06-07
KR20020064653A (ko) 2002-08-09

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