GB1510444A - Magnetic structures comprising ferrimagnetic garnet layers for magneto-optical memories - Google Patents

Magnetic structures comprising ferrimagnetic garnet layers for magneto-optical memories

Info

Publication number
GB1510444A
GB1510444A GB72877A GB72877A GB1510444A GB 1510444 A GB1510444 A GB 1510444A GB 72877 A GB72877 A GB 72877A GB 72877 A GB72877 A GB 72877A GB 1510444 A GB1510444 A GB 1510444A
Authority
GB
United Kingdom
Prior art keywords
layer
ions
magneto
magnetic structures
optical memories
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
GB72877A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1510444A publication Critical patent/GB1510444A/en
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
    • H01F10/245—Modifications for enhancing interaction with electromagnetic wave energy
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Thin Magnetic Films (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
GB72877A 1976-01-13 1977-01-10 Magnetic structures comprising ferrimagnetic garnet layers for magneto-optical memories Expired GB1510444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762600959 DE2600959C2 (de) 1976-01-13 1976-01-13 Ferrimagnetische Granatschicht für magnetooptische Speicher und deren Herstellung

Publications (1)

Publication Number Publication Date
GB1510444A true GB1510444A (en) 1978-05-10

Family

ID=5967331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB72877A Expired GB1510444A (en) 1976-01-13 1977-01-10 Magnetic structures comprising ferrimagnetic garnet layers for magneto-optical memories

Country Status (4)

Country Link
JP (1) JPS5853497B2 (no)
DE (1) DE2600959C2 (no)
FR (1) FR2338547A1 (no)
GB (1) GB1510444A (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129605A4 (en) * 1982-12-23 1987-01-22 Sony Corp THERMOMAGNETIC OPTICAL RECORDING PROCESS.
US4625390A (en) * 1983-03-16 1986-12-02 Litton Systems, Inc. Two-step method of manufacturing compressed bismuth-containing garnet films of replicable low anisotropy field value

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447851A (en) * 1965-11-08 1969-06-03 Bell Telephone Labor Inc Ferrimagnetic light transmission garnets
DE2252715C3 (de) * 1972-10-27 1980-04-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Optisch transparente Einkristallscheibe aus substituiertem Eisen-Granat und Verfahren zu ihrer Herstellung
US3886533A (en) * 1973-07-20 1975-05-27 Bell Telephone Labor Inc Magnetic devices utilizing garnet epitaxial material
CA1050862A (en) * 1973-10-04 1979-03-20 Richard E. Novak Magnetic bubble devices and garnet films therefor
US3949386A (en) * 1973-11-12 1976-04-06 International Business Machines Corporation Bubble domain devices using garnet materials with single rare earth ion on all dodecahedral sites

Also Published As

Publication number Publication date
DE2600959A1 (de) 1977-07-14
JPS5286197A (en) 1977-07-18
JPS5853497B2 (ja) 1983-11-29
DE2600959C2 (de) 1984-06-28
FR2338547B1 (no) 1983-11-18
FR2338547A1 (fr) 1977-08-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee