DE3581780D1 - Amorphe ferromagnetische oxyde und verfahren zu ihrer herstellung. - Google Patents

Amorphe ferromagnetische oxyde und verfahren zu ihrer herstellung.

Info

Publication number
DE3581780D1
DE3581780D1 DE8585113478T DE3581780T DE3581780D1 DE 3581780 D1 DE3581780 D1 DE 3581780D1 DE 8585113478 T DE8585113478 T DE 8585113478T DE 3581780 T DE3581780 T DE 3581780T DE 3581780 D1 DE3581780 D1 DE 3581780D1
Authority
DE
Germany
Prior art keywords
amorphe
oxydes
ferromagnetic
production
ferromagnetic oxydes
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
DE8585113478T
Other languages
English (en)
Inventor
Kenji Suzuki
Tsuyoshi Masumoto
Nobuhiro Ota
Mika Okubo
Masao Mitera
Akira Matsumoto
Shuji Masuda
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.)
Otsuka Chemical Co Ltd
Nikon Corp
Japan Science and Technology Agency
Original Assignee
Otsuka Chemical Co Ltd
Nikon Corp
Research Development Corp of Japan
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 Otsuka Chemical Co Ltd, Nikon Corp, Research Development Corp of Japan filed Critical Otsuka Chemical Co Ltd
Application granted granted Critical
Publication of DE3581780D1 publication Critical patent/DE3581780D1/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
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites
    • 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
    • H01F1/38—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 amorphous, e.g. amorphous oxides

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Thin Magnetic Films (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Physical Vapour Deposition (AREA)
DE8585113478T 1984-10-24 1985-10-23 Amorphe ferromagnetische oxyde und verfahren zu ihrer herstellung. Expired - Fee Related DE3581780D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59224654A JPS61101450A (ja) 1984-10-24 1984-10-24 非晶質強磁性酸化物

Publications (1)

Publication Number Publication Date
DE3581780D1 true DE3581780D1 (de) 1991-03-28

Family

ID=16817108

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585113478T Expired - Fee Related DE3581780D1 (de) 1984-10-24 1985-10-23 Amorphe ferromagnetische oxyde und verfahren zu ihrer herstellung.

Country Status (4)

Country Link
US (1) US4806265A (de)
EP (1) EP0179466B1 (de)
JP (1) JPS61101450A (de)
DE (1) DE3581780D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5061586A (en) * 1990-04-05 1991-10-29 Eastman Kodak Company Glass composite magnetic carrier particles
US5190842A (en) * 1991-12-19 1993-03-02 Eastman Kodak Company Two phase ferroelectric-ferromagnetic composite carrier
US5190841A (en) * 1991-12-19 1993-03-02 Eastman Kodak Company Two-phase ferroelectric-ferromagnetic composite and carrier therefrom
US5306592A (en) * 1992-10-29 1994-04-26 Eastman Kodak Company Method of preparing electrographic magnetic carrier particles
US5268249A (en) * 1992-10-29 1993-12-07 Eastman Kodak Company Magnetic carrier particles
JP4778300B2 (ja) 2004-12-15 2011-09-21 株式会社リコー 追記型光記録媒体
US20140272684A1 (en) 2013-03-12 2014-09-18 Applied Materials, Inc. Extreme ultraviolet lithography mask blank manufacturing system and method of operation therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL105869C (de) * 1954-12-10
US3053770A (en) * 1958-04-17 1962-09-11 Gen Motors Corp Permanent magnet
JPS6012973B2 (ja) * 1980-05-08 1985-04-04 株式会社東芝 Ｂａ−フエライト粉末の製造方法
JPS5756329A (en) * 1980-09-22 1982-04-03 Toshiba Corp Manufacture of magnetic powder for magnetic recording medium
JPS5864264A (ja) * 1981-10-15 1983-04-16 埼玉大学長 強磁性非質酸化物磁性体およびその製造法
JPS59121806A (ja) * 1982-12-27 1984-07-14 Hitachi Metals Ltd 高周波磁性材料
JPS59182503A (ja) * 1983-04-01 1984-10-17 Tdk Corp 強磁性アモルフアス酸化物磁性体およびその製造法
JPS60210801A (ja) * 1984-04-03 1985-10-23 Hitachi Metals Ltd 磁性微粒子の製造方法

Also Published As

Publication number Publication date
EP0179466B1 (de) 1991-02-20
JPS61101450A (ja) 1986-05-20
EP0179466A3 (en) 1987-08-12
US4806265A (en) 1989-02-21
EP0179466A2 (de) 1986-04-30

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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