DE69801552D1 - Ferrit und Induktor - Google Patents

Ferrit und Induktor

Info

Publication number
DE69801552D1
DE69801552D1 DE69801552T DE69801552T DE69801552D1 DE 69801552 D1 DE69801552 D1 DE 69801552D1 DE 69801552 T DE69801552 T DE 69801552T DE 69801552 T DE69801552 T DE 69801552T DE 69801552 D1 DE69801552 D1 DE 69801552D1
Authority
DE
Germany
Prior art keywords
ferrite
inductor
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
Application number
DE69801552T
Other languages
English (en)
Other versions
DE69801552T2 (de
Inventor
Yasushi Enokido
Ryo Yokoyama
Hitoshi Saita
Naoyoshi Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
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
Application filed by TDK Corp filed Critical TDK Corp
Application granted granted Critical
Publication of DE69801552D1 publication Critical patent/DE69801552D1/de
Publication of DE69801552T2 publication Critical patent/DE69801552T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01F1/12—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
    • 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
    • C04B35/265—Compositions 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
    • 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
    • C04B35/2666—Other ferrites containing nickel, copper or cobalt

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Compounds Of Iron (AREA)
DE69801552T 1997-07-16 1998-07-15 Ferrit und Induktor Expired - Fee Related DE69801552T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20723797 1997-07-16
JP16611098A JP3672161B2 (ja) 1997-07-16 1998-05-29 フェライトの製造方法およびインダクタの製造方法

Publications (2)

Publication Number Publication Date
DE69801552D1 true DE69801552D1 (de) 2001-10-11
DE69801552T2 DE69801552T2 (de) 2002-05-29

Family

ID=26490604

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69801552T Expired - Fee Related DE69801552T2 (de) 1997-07-16 1998-07-15 Ferrit und Induktor

Country Status (5)

Country Link
US (1) US6033594A (de)
EP (1) EP0891955B1 (de)
JP (1) JP3672161B2 (de)
CN (1) CN1146924C (de)
DE (1) DE69801552T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105294B (fi) * 1997-12-16 2000-07-14 Nokia Networks Oy Järjestely magneettipiirin toteuttamiseksi piirilevylle
JP3449322B2 (ja) * 1999-10-27 2003-09-22 株式会社村田製作所 複合磁性材料およびインダクタ素子
US6292081B1 (en) * 1999-10-28 2001-09-18 Scientific-Atlanta, Inc. Tunable surface mount toroidal inductor
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
DE60134683D1 (de) * 2000-08-21 2008-08-14 Tdk Corp Ferritmaterial
JP3726017B2 (ja) * 2000-10-31 2005-12-14 Ｔｄｋ株式会社 磁性材料およびインダクタ
JP2002246222A (ja) * 2001-02-13 2002-08-30 Tdk Corp 酸化物磁性材料とそれを用いたコイル部品
US7118728B2 (en) * 2002-05-08 2006-10-10 Steward Advanced Materials, Inc. Method and apparatus for making ferrite material products and products produced thereby
JP3907642B2 (ja) 2004-05-21 2007-04-18 Ｔｄｋ株式会社 フェライト材料及びフェライト材料の製造方法
JP4823531B2 (ja) * 2005-01-25 2011-11-24 太陽誘電株式会社 酸化物磁性材料
EP1925603A4 (de) 2005-09-13 2010-11-24 Hitachi Metals Ltd Ferritmaterial
JP4858035B2 (ja) * 2006-09-19 2012-01-18 トヨタ自動車株式会社 リアクトルのコアおよびリアクトル
WO2009044760A1 (ja) * 2007-10-02 2009-04-09 Murata Manufacturing Co., Ltd. インダクタンス素子およびその製造方法
JP6149386B2 (ja) * 2012-04-13 2017-06-21 株式会社村田製作所 積層型電子部品
CN102674822B (zh) * 2012-04-20 2013-08-21 深圳顺络电子股份有限公司 一种铁氧体磁芯注射成型用的粒料及其制备方法
CN102982948B (zh) * 2012-11-23 2016-08-24 天长市昭田磁电科技有限公司 一种含有b2o3的铁磁芯的制造方法
CN103337324A (zh) * 2013-05-30 2013-10-02 绵阳武盛磁电科技有限公司 一种磁性材料及其制备方法
US10236104B2 (en) * 2013-07-19 2019-03-19 Samsung Electro-Mechanics Co., Ltd. Ferrite and inductor including the same
CN104446408B (zh) * 2013-09-25 2016-12-07 比亚迪股份有限公司 一种吸波材料及其制备方法
KR20170066538A (ko) * 2014-11-06 2017-06-14 가부시키가이샤 무라타 세이사쿠쇼 적층 코일 부품
WO2018048394A1 (en) 2016-09-07 2018-03-15 South Dakota Board Of Regents Thermally stabilized redox materials and applications thereof
JP6142950B1 (ja) * 2016-09-30 2017-06-07 Tdk株式会社 フェライト組成物および電子部品
CN108863333B (zh) * 2018-07-05 2020-10-30 浙江大学 一种制备高性能NiZn铁氧体的Cu、V、Bi、Co离子联合替代方法
CN113603473B (zh) * 2021-08-20 2022-08-16 安徽华林磁电科技有限公司 一种具有高磁导率的Mn-Zn铁氧体滤波材料
CN114156034A (zh) * 2021-11-24 2022-03-08 江西众一华普科技有限公司 低损耗铁镍磁粉芯复合包覆方法
CN116403796B (zh) * 2023-05-09 2024-02-13 清远市佳和磁材有限公司 一种高频电感及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59121806A (ja) * 1982-12-27 1984-07-14 Hitachi Metals Ltd 高周波磁性材料
JP3123605B2 (ja) * 1988-01-07 2001-01-15 ティーディーケイ株式会社 インダクタ用磁心
US4966625A (en) * 1988-03-25 1990-10-30 General Electric Company Ferrite composite containing silver metallization
JPH0391209A (ja) * 1989-09-01 1991-04-16 Hitachi Ferrite Ltd チップインダクタ
JP2898772B2 (ja) * 1991-03-06 1999-06-02 ティーディーケイ株式会社 酸化物磁性材料
JP3147496B2 (ja) * 1992-05-25 2001-03-19 株式会社村田製作所 フェライト材料
US5871662A (en) * 1993-05-11 1999-02-16 U.S. Philips Corporation Sintered transformer or inductor core of nizn ferrite material
JP3405630B2 (ja) * 1994-12-26 2003-05-12 京セラ株式会社 フェライト材料
JP3492802B2 (ja) * 1995-02-28 2004-02-03 京セラ株式会社 低損失フェライト材料

Also Published As

Publication number Publication date
EP0891955A1 (de) 1999-01-20
EP0891955B1 (de) 2001-09-05
DE69801552T2 (de) 2002-05-29
JP3672161B2 (ja) 2005-07-13
US6033594A (en) 2000-03-07
CN1211049A (zh) 1999-03-17
CN1146924C (zh) 2004-04-21
JPH1187126A (ja) 1999-03-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee