DE2600959C2 - Ferrimagnetische Granatschicht für magnetooptische Speicher und deren Herstellung - Google Patents

Ferrimagnetische Granatschicht für magnetooptische Speicher und deren Herstellung

Info

Publication number
DE2600959C2
DE2600959C2 DE19762600959 DE2600959A DE2600959C2 DE 2600959 C2 DE2600959 C2 DE 2600959C2 DE 19762600959 DE19762600959 DE 19762600959 DE 2600959 A DE2600959 A DE 2600959A DE 2600959 C2 DE2600959 C2 DE 2600959C2
Authority
DE
Germany
Prior art keywords
layer
garnet
garnet layer
conductivity type
sample
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
DE19762600959
Other languages
German (de)
English (en)
Other versions
DE2600959A1 (de
Inventor
Günter Ing.(grad.) 2080 Pinneberg Bartels
Piet Frans Dr. Geldrop Bongers
Jens-Peter Dr.-Ing. 2000 Hamburg Krumme
John M. Dr. Eindhoven Robertson
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 Intellectual Property and Standards GmbH
Original Assignee
Philips Patentverwaltung GmbH
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 Patentverwaltung GmbH filed Critical Philips Patentverwaltung GmbH
Priority to DE19762600959 priority Critical patent/DE2600959C2/de
Priority to GB72877A priority patent/GB1510444A/en
Priority to JP52000899A priority patent/JPS5853497B2/ja
Priority to FR7700743A priority patent/FR2338547A1/fr
Publication of DE2600959A1 publication Critical patent/DE2600959A1/de
Application granted granted Critical
Publication of DE2600959C2 publication Critical patent/DE2600959C2/de
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)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
DE19762600959 1976-01-13 1976-01-13 Ferrimagnetische Granatschicht für magnetooptische Speicher und deren Herstellung Expired DE2600959C2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19762600959 DE2600959C2 (de) 1976-01-13 1976-01-13 Ferrimagnetische Granatschicht für magnetooptische Speicher und deren Herstellung
GB72877A GB1510444A (en) 1976-01-13 1977-01-10 Magnetic structures comprising ferrimagnetic garnet layers for magneto-optical memories
JP52000899A JPS5853497B2 (ja) 1976-01-13 1977-01-10 フエリ磁性ガ−ネツト層の製造方法
FR7700743A FR2338547A1 (fr) 1976-01-13 1977-01-12 Couche en grenat ferrimagnetique, utilisee dans les memoires magnetiques optiques

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 (2)

Publication Number Publication Date
DE2600959A1 DE2600959A1 (de) 1977-07-14
DE2600959C2 true DE2600959C2 (de) 1984-06-28

Family

ID=5967331

Family Applications (1)

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

Country Status (4)

Country Link
JP (1) JPS5853497B2 (sl)
DE (1) DE2600959C2 (sl)
FR (1) FR2338547A1 (sl)
GB (1) GB1510444A (sl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002602A1 (en) * 1982-12-23 1984-07-05 Sony Corp Thermomagnetic optical recording method
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
DE2600959A1 (de) 1977-07-14
JPS5853497B2 (ja) 1983-11-29
FR2338547B1 (sl) 1983-11-18
JPS5286197A (en) 1977-07-18
FR2338547A1 (fr) 1977-08-12
GB1510444A (en) 1978-05-10

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8181 Inventor (new situation)

Free format text: BARTELS, GUENTER, ING.(GRAD.), 2080 PINNEBERG, DE BONGERS, PIET FRANS, DR., GELDROP, NL KRUMME, JENS-PETER, DR.-ING., 2000 HAMBURG, DE ROBERTSON, JOHN M., DR., EINDHOVEN, NL

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee