KR100839206B1 - 페라이트 자성재료 - Google Patents

페라이트 자성재료 Download PDF

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KR100839206B1
KR100839206B1 KR1020060129402A KR20060129402A KR100839206B1 KR 100839206 B1 KR100839206 B1 KR 100839206B1 KR 1020060129402 A KR1020060129402 A KR 1020060129402A KR 20060129402 A KR20060129402 A KR 20060129402A KR 100839206 B1 KR100839206 B1 KR 100839206B1
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South Korea
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ferrite
magnetic material
hcj
ferrite magnetic
powder
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Korean (ko)
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KR20070065233A (ko
Inventor
요시히코 미나치
노보루 이토
유우키 아부라카와
요시노리 후지카와
사토코 우에다
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티디케이가부시기가이샤
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    • 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
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    • 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
    • C04B35/2641—Compositions containing one or more ferrites of the group comprising rare earth metals and one or more ferrites of the group comprising alkali metals, alkaline earth metals or lead
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
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    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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    • 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
    • C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
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    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/605—Making or treating the green body or pre-form in a magnetic field
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    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
KR1020060129402A 2005-12-19 2006-12-18 페라이트 자성재료 Ceased KR100839206B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP-P-2005-00364225 2005-12-19
JP2005364225 2005-12-19
JPJP-P-2006-00302328 2006-11-08
JP2006302328 2006-11-08

Publications (2)

Publication Number Publication Date
KR20070065233A KR20070065233A (ko) 2007-06-22
KR100839206B1 true KR100839206B1 (ko) 2008-06-17

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ID=37909357

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KR1020060129402A Ceased KR100839206B1 (ko) 2005-12-19 2006-12-18 페라이트 자성재료

Country Status (6)

Country Link
US (1) US7919007B2 (https=)
EP (1) EP1798211B1 (https=)
JP (1) JP5245249B2 (https=)
KR (1) KR100839206B1 (https=)
AT (1) ATE400536T1 (https=)
DE (1) DE602006001723D1 (https=)

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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
CN102187514A (zh) 2008-10-20 2011-09-14 斯盖沃克斯瑟路申斯公司 磁-介电组件及制造方法
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EP3150567B1 (en) * 2009-07-08 2025-11-19 TDK Corporation Ferrite magnetic material
BR112012022418A2 (pt) * 2010-03-10 2024-03-12 Hitachi Metals Ltd Eletroíma de ferrita sinterizado e seu método de produção
JP5499329B2 (ja) * 2010-06-18 2014-05-21 日立金属株式会社 フェライト焼結磁石及びその製造方法
CN102010194B (zh) * 2010-11-03 2013-01-16 自贡市江阳磁材有限责任公司 一种磁铅石型永磁铁氧体及其制造方法
US8609062B2 (en) 2010-12-07 2013-12-17 Skyworks Solutions, Inc. Specialty materials processing techniques for enhanced resonant frequency hexaferrite materials for antenna applications and other electronic devices
JP5929764B2 (ja) * 2010-12-28 2016-06-08 日立金属株式会社 フェライト焼結磁石及びその製造方法
WO2012103020A2 (en) * 2011-01-24 2012-08-02 Skyworks Solutions, Inc. Specialty materials processing techniques for enhanced resonant frequency hexaferrite materials for antenna applications and other electronic devices
JP5732979B2 (ja) * 2011-03-31 2015-06-10 Tdk株式会社 フェライト焼結磁石及びモータ
JP6160619B2 (ja) * 2012-08-01 2017-07-12 Tdk株式会社 フェライト磁性材料、フェライト焼結磁石及びモータ
CN104584149A (zh) 2012-08-31 2015-04-29 日立金属株式会社 铁氧体煅烧体、铁氧体烧结磁体的制造方法及铁氧体烧结磁体
CN104662621B (zh) * 2012-09-28 2017-03-08 日立金属株式会社 铁氧体烧结磁体及其制造方法
JP6070454B2 (ja) * 2013-07-18 2017-02-01 日立金属株式会社 フェライト化合物
CN109155176B (zh) 2016-05-20 2020-09-01 Tdk株式会社 铁氧体磁铁
WO2017200091A1 (ja) * 2016-05-20 2017-11-23 Tdk株式会社 フェライト磁石
DE112017006521T5 (de) * 2016-12-22 2019-09-26 Tdk Corporation Ferrit-sintermagnet, ferritpartikel, verbundmagnet, motor und generator
FR3066041B1 (fr) * 2017-05-04 2020-02-28 Thales Circulateur hyperfrequence miniature autopolarise
JP7287371B2 (ja) * 2020-09-24 2023-06-06 株式会社プロテリアル フェライト仮焼体、フェライト焼結磁石及びその製造方法
JP7716352B2 (ja) * 2021-03-24 2025-07-31 Tdk株式会社 フェライト焼結磁石、フェライト粒子、ボンド磁石、及び、回転電気機械
CN113277841B (zh) * 2021-05-28 2022-01-07 湖北华磁电子科技有限公司 超高频软磁铁氧体材料及磁芯的制备方法

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EP1798211B1 (en) 2008-07-09
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