DE69704148T2 - Verwendung eines Ferrites auf der Basis von Ni-Zn - Google Patents

Verwendung eines Ferrites auf der Basis von Ni-Zn

Info

Publication number
DE69704148T2
DE69704148T2 DE69704148T DE69704148T DE69704148T2 DE 69704148 T2 DE69704148 T2 DE 69704148T2 DE 69704148 T DE69704148 T DE 69704148T DE 69704148 T DE69704148 T DE 69704148T DE 69704148 T2 DE69704148 T2 DE 69704148T2
Authority
DE
Germany
Prior art keywords
ferrite based
ferrite
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
DE69704148T
Other languages
English (en)
Other versions
DE69704148D1 (de
Inventor
Katsuhisa Ishikawa
Yasuhiro Sasaki
Atsushi Ochi
Yoshitsugu Okada
Mitsuru Furuya
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.)
NEC Corp
Original Assignee
NEC 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 JP8313462A external-priority patent/JP3003601B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69704148D1 publication Critical patent/DE69704148D1/de
Application granted granted Critical
Publication of DE69704148T2 publication Critical patent/DE69704148T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
DE69704148T 1996-11-25 1997-06-02 Verwendung eines Ferrites auf der Basis von Ni-Zn Expired - Fee Related DE69704148T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8313462A JP3003601B2 (ja) 1996-01-31 1996-11-25 Ｎｉ−Ｚｎ系フェライト

Publications (2)

Publication Number Publication Date
DE69704148D1 DE69704148D1 (de) 2001-04-05
DE69704148T2 true DE69704148T2 (de) 2001-07-19

Family

ID=18041601

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69704148T Expired - Fee Related DE69704148T2 (de) 1996-11-25 1997-06-02 Verwendung eines Ferrites auf der Basis von Ni-Zn

Country Status (3)

Country Link
US (1) US5874020A (de)
EP (1) EP0844220B1 (de)
DE (1) DE69704148T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3584438B2 (ja) * 1999-11-19 2004-11-04 ミネベア株式会社 Ｍｎ−Ｚｎフェライトおよびその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159696A (en) * 1978-06-07 1979-12-17 Mitsubishi Electric Corp Lithium-nickel ferrite
JPH0680613B2 (ja) * 1987-04-16 1994-10-12 日立フェライト株式会社 高密度磁性材料
JP3003601B2 (ja) * 1996-01-31 2000-01-31 日本電気株式会社 Ｎｉ−Ｚｎ系フェライト

Also Published As

Publication number Publication date
EP0844220B1 (de) 2001-02-28
EP0844220A1 (de) 1998-05-27
US5874020A (en) 1999-02-23
DE69704148D1 (de) 2001-04-05

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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