CA1050862A - Couches de grenat pour dispositifs a bulles magnetiques - Google Patents

Couches de grenat pour dispositifs a bulles magnetiques

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)
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/fr
Expired 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
    • H01F10/24—Garnets
    • 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
    • C30B19/00—Liquid-phase epitaxial-layer growth
    • C30B19/02—Liquid-phase epitaxial-layer growth using molten solvents, e.g. flux
    • 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
    • C30B29/28—Complex oxides with formula A3Me5O12 wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. garnets
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0866—Detecting magnetic domains

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CA210,109A 1973-10-04 1974-09-26 Couches de grenat pour dispositifs a bulles magnetiques Expired CA1050862A (fr)

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 (fr) 1979-03-20

Family

ID=23595605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,109A Expired CA1050862A (fr) 1973-10-04 1974-09-26 Couches de grenat pour dispositifs a bulles magnetiques

Country Status (5)

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

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
EP0044109B1 (fr) * 1980-07-11 1986-05-28 Koninklijke Philips Electronics N.V. Dispositif pour la propagation de domaines magnétiques
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 (fr) * 1973-06-27 1975-03-04

Also Published As

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

Similar Documents

Publication Publication Date Title
Scott et al. Magnetooptic properties and applications of bismuth substituted iron garnets
Robertson et al. Preparation and optical properties of single crystal thin films of bismuth substituted iron garnets for magneto-optic applications
US5245689A (en) Magneto-optical waveguides of aluminum garnet
US4018692A (en) Composition for making garnet films for improved magnetic bubble devices
EP0208476B1 (fr) Capteur de champ magnétique ayant un élément magnéto-optique
CA1050862A (fr) Couches de grenat pour dispositifs a bulles magnetiques
US4698820A (en) Magnetic device and method of manufacture
US5535046A (en) Faraday rotator
JP3198053B2 (ja) 低磁気モーメントを有する磁気光学材からなる製品
US5898516A (en) Faraday rotator having a rectangular shaped hysteresis
JP3458865B2 (ja) 低飽和磁界ビスマス置換希土類鉄ガーネット単結晶、および、その用途
US4698281A (en) Garnet-type magnetic material high faraday rotation magnetic film containing such a material and process for the production thereof
US3654162A (en) Ferrimagnetic iron garnet having large faraday effect
Nielsen Properties and preparation of magnetic materials for bubble domains
Clover et al. Low birefringent orthoferrites for optical devices
Huang et al. Growth and characterization of rare-earth iron garnet single crystals modified by bismuth and ytterbium substituted for yttrium
EP0785454A1 (fr) Rotateur de Faraday pour rapteurs magnéto-optiques
JP4468045B2 (ja) 磁気情報の読取・評価方法及び装置
JPWO2004049039A1 (ja) ファラデー回転子、及びこれを用いた磁気光学デバイス
US3637289A (en) Devices based on induced dichroism
JPH0769797A (ja) 低飽和磁界ビスマス置換鉄ガーネット単結晶
JP4464177B2 (ja) 磁気光学媒体とその製造方法
US3609008A (en) Thallium iron fluoride and devices utilizing same
Gowland Magnetic Bubble Memories
JPH06263597A (ja) 光磁界センサ用ファラデー回転子