CA1050862A - Magnetic bubble devices and garnet films therefor - Google Patents

Magnetic bubble devices and garnet films therefor

Info

Publication number
CA1050862A
CA1050862A CA210,109A CA210109A CA1050862A CA 1050862 A CA1050862 A CA 1050862A CA 210109 A CA210109 A CA 210109A CA 1050862 A CA1050862 A CA 1050862A
Authority
CA
Canada
Prior art keywords
garnet
film
bubble
gallium
magnetic
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
CA210,109A
Other languages
English (en)
French (fr)
Inventor
Richard E. Novak
Aline Akselrad
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1050862A publication Critical patent/CA1050862A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/08Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20Ferrites
    • H01F10/24Garnets
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B19/00Liquid-phase epitaxial-layer growth
    • C30B19/02Liquid-phase epitaxial-layer growth using molten solvents, e.g. flux
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/16Oxides
    • C30B29/22Complex oxides
    • C30B29/28Complex oxides with formula A3Me5O12 wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. garnets
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0866Detecting magnetic domains

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Thin Magnetic Films (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CA210,109A 1973-10-04 1974-09-26 Magnetic bubble devices and garnet films therefor Expired CA1050862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40339373A 1973-10-04 1973-10-04

Publications (1)

Publication Number Publication Date
CA1050862A true CA1050862A (en) 1979-03-20

Family

ID=23595605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,109A Expired CA1050862A (en) 1973-10-04 1974-09-26 Magnetic bubble devices and garnet films therefor

Country Status (5)

Country Link
JP (1) JPS5427958B2 (ja)
CA (1) CA1050862A (ja)
DE (1) DE2447509A1 (ja)
FR (1) FR2246937A1 (ja)
GB (1) GB1441353A (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2600959C2 (de) * 1976-01-13 1984-06-28 Philips Patentverwaltung Gmbh, 2000 Hamburg Ferrimagnetische Granatschicht für magnetooptische Speicher und deren Herstellung
JPS5459915A (en) * 1977-10-20 1979-05-15 Sony Corp Method and apparatus for reading of magnetic recording signal
JPS56155515A (en) 1980-05-01 1981-12-01 Olympus Optical Co Ltd Magnetic garnet film and manufacture
DE3174704D1 (en) * 1980-07-11 1986-07-03 Philips Nv Device for propagating magnetic domains
US4433034A (en) * 1982-04-12 1984-02-21 Allied Corporation Magnetic bubble layer of thulium-containing garnet
JPS5981570A (ja) * 1982-11-01 1984-05-11 Hitachi Ltd 光方式磁界測定装置
US4520460A (en) * 1983-08-15 1985-05-28 Allied Corporation Temperature stable magnetic bubble compositions
FR2572844B1 (fr) * 1984-11-02 1986-12-26 Commissariat Energie Atomique Materiau magnetique du type grenat, film magnetique a forte rotation faraday comportant un tel materiau et son procede de fabrication
JP2001348297A (ja) 2000-06-06 2001-12-18 Tokin Corp ビスマス置換型ガーネット厚膜材料及びその製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5020300A (ja) * 1973-06-27 1975-03-04

Also Published As

Publication number Publication date
JPS5427958B2 (ja) 1979-09-13
DE2447509A1 (de) 1975-04-17
GB1441353A (en) 1976-06-30
JPS5064797A (ja) 1975-06-02
FR2246937A1 (ja) 1975-05-02

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