FR2452532B1 - Procede pour produire des monocristaux de ferrite - Google Patents

Procede pour produire des monocristaux de ferrite

Info

Publication number
FR2452532B1
FR2452532B1 FR8006833A FR8006833A FR2452532B1 FR 2452532 B1 FR2452532 B1 FR 2452532B1 FR 8006833 A FR8006833 A FR 8006833A FR 8006833 A FR8006833 A FR 8006833A FR 2452532 B1 FR2452532 B1 FR 2452532B1
Authority
FR
France
Prior art keywords
monocrystals
producing ferrite
ferrite
producing
ferrite monocrystals
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
Application number
FR8006833A
Other languages
English (en)
Other versions
FR2452532A1 (fr
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.)
FDK Corp
Original Assignee
FDK 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 FDK Corp filed Critical FDK Corp
Publication of FR2452532A1 publication Critical patent/FR2452532A1/fr
Application granted granted Critical
Publication of FR2452532B1 publication Critical patent/FR2452532B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/22—Complex oxides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C30B11/04—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method adding crystallising materials or reactants forming it in situ to the melt
    • C30B11/08—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method adding crystallising materials or reactants forming it in situ to the melt every component of the crystal composition being added during the crystallisation
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/22—Complex oxides
    • C30B29/24—Complex oxides with formula AMeO3, wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. ortho ferrites
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/22—Complex oxides
    • C30B29/26—Complex oxides with formula BMe2O4, wherein B is Mg, Ni, Co, Al, Zn, or Cd and Me is Fe, Ga, Sc, Cr, Co, or Al

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
FR8006833A 1979-03-28 1980-03-27 Procede pour produire des monocristaux de ferrite Expired FR2452532B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3671079A JPS55128801A (en) 1979-03-28 1979-03-28 Manufacture of large single crystal of ferrite with uniform composition

Publications (2)

Publication Number Publication Date
FR2452532A1 FR2452532A1 (fr) 1980-10-24
FR2452532B1 true FR2452532B1 (fr) 1985-09-20

Family

ID=12477316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006833A Expired FR2452532B1 (fr) 1979-03-28 1980-03-27 Procede pour produire des monocristaux de ferrite

Country Status (5)

Country Link
US (1) US4382839A (fr)
JP (1) JPS55128801A (fr)
DE (1) DE3012180A1 (fr)
FR (1) FR2452532B1 (fr)
NL (1) NL184071C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8005312A (nl) * 1980-09-24 1982-04-16 Philips Nv Werkwijze voor het vervaardigen van ferriet eenkristallen.
JPS6042293A (ja) * 1983-08-18 1985-03-06 Sony Corp 単結晶の製造方法
KR0157323B1 (ko) * 1991-12-31 1999-02-18 황선두 국부 용융역 형성법을 이용한 망간-아연 페라이트 단결정의 제조방법 및 그 장치
CN105671636B (zh) * 2014-11-18 2018-05-08 中国科学院上海硅酸盐研究所 一种大尺寸稀土正铁氧体单晶的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2361382A (en) * 1942-08-18 1944-10-31 Louis Rosen Method of casting
US2990258A (en) * 1958-11-12 1961-06-27 Augustine Frank Crystal growing apparatus
FR1434740A (fr) * 1964-05-23 1966-04-08 Rikagaku Kenkyusho Monocristal de ferrite et son procédé de fabrication
US3265469A (en) * 1964-09-21 1966-08-09 Gen Electric Crystal growing apparatus
DE1244417B (de) * 1964-11-05 1967-07-13 Magnetfab Bonn Gmbh Metallischer Dauermagnetwerkstoff
US3494709A (en) * 1965-05-27 1970-02-10 United Aircraft Corp Single crystal metallic part

Also Published As

Publication number Publication date
FR2452532A1 (fr) 1980-10-24
DE3012180A1 (de) 1980-10-09
JPS55128801A (en) 1980-10-06
US4382839A (en) 1983-05-10
NL184071C (nl) 1989-04-03
NL184071B (nl) 1988-11-01
NL8001822A (nl) 1980-09-30

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Legal Events

Date Code Title Description
ST Notification of lapse