GB1224495A - Thin film magnetic information stores - Google Patents

Thin film magnetic information stores

Info

Publication number
GB1224495A
GB1224495A GB04072/68A GB1407268A GB1224495A GB 1224495 A GB1224495 A GB 1224495A GB 04072/68 A GB04072/68 A GB 04072/68A GB 1407268 A GB1407268 A GB 1407268A GB 1224495 A GB1224495 A GB 1224495A
Authority
GB
United Kingdom
Prior art keywords
magnetic
ferromagnetic material
layer
storage
conductors
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
GB04072/68A
Other languages
English (en)
Inventor
Jean Valin
Jean Claude Bruyere
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.)
Centre National de la Recherche Scientifique
Compagnie Internationale pour l'Informatique CII-Honeywell Bull SA
Original Assignee
Centre National de la Recherche Scientifique
Compagnie Internationale pour l'Informatique CII-Honeywell Bull SA
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 Centre National de la Recherche Scientifique, Compagnie Internationale pour l'Informatique CII-Honeywell Bull SA filed Critical Centre National de la Recherche Scientifique
Publication of GB1224495A publication Critical patent/GB1224495A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/923—Physical dimension
    • Y10S428/924—Composite
    • Y10S428/926—Thickness of individual layer specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12889—Au-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12896—Ag-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12944—Ni-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Hall/Mr Elements (AREA)
  • Semiconductor Memories (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
GB04072/68A 1967-03-29 1968-03-22 Thin film magnetic information stores Expired GB1224495A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR100738A FR1524309A (fr) 1967-03-29 1967-03-29 Mémoires d'informations binaires à structures magnétiques en couches minces

Publications (1)

Publication Number Publication Date
GB1224495A true GB1224495A (en) 1971-03-10

Family

ID=8627787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB04072/68A Expired GB1224495A (en) 1967-03-29 1968-03-22 Thin film magnetic information stores

Country Status (5)

Country Link
US (1) US3582912A (cg-RX-API-DMAC7.html)
FR (1) FR1524309A (cg-RX-API-DMAC7.html)
GB (1) GB1224495A (cg-RX-API-DMAC7.html)
NL (1) NL141317B (cg-RX-API-DMAC7.html)
SU (2) SU411692A3 (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099564A3 (en) * 1982-07-19 1986-01-15 Hitachi, Ltd. Perpendicular magnetic recording medium and manufacturing method thereof

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT343373B (de) * 1972-10-20 1978-05-26 Basf Ag Magnetogrammtrager zur nicht unbemerkt veranderbaren aufzeichnung magnetischer signale und verfahren zur herstellung solcher aufzeichnungen
DE2710166C2 (de) * 1977-03-09 1984-09-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Mechanisch adressierter optischer Speicher
US4103315A (en) * 1977-06-24 1978-07-25 International Business Machines Corporation Antiferromagnetic-ferromagnetic exchange bias films
DE2912668A1 (de) 1979-03-30 1980-10-02 Agfa Gevaert Ag Vorrichtung zum halten von blattfoermigen filmen
US4277809A (en) * 1979-09-26 1981-07-07 Memorex Corporation Apparatus for recording magnetic impulses perpendicular to the surface of a recording medium
JPS59201224A (ja) * 1983-04-28 1984-11-14 Fuji Photo Film Co Ltd 磁気記録媒体
EP0125535A3 (en) * 1983-05-12 1986-07-09 General Electric Company Rapid thermo-magnetic recording disk printer and master disk for same
FR2550647B1 (fr) * 1983-08-08 1990-10-12 Xerox Corp Milieu de stockage magneto-optique
US5014147A (en) * 1989-10-31 1991-05-07 International Business Machines Corporation Magnetoresistive sensor with improved antiferromagnetic film
US5748737A (en) * 1994-11-14 1998-05-05 Daggar; Robert N. Multimedia electronic wallet with generic card
US6603678B2 (en) * 2001-01-11 2003-08-05 Hewlett-Packard Development Company, L.P. Thermally-assisted switching of magnetic memory elements
US6879512B2 (en) * 2002-05-24 2005-04-12 International Business Machines Corporation Nonvolatile memory device utilizing spin-valve-type designs and current pulses
EP1561220A2 (en) * 2002-10-03 2005-08-10 Koninklijke Philips Electronics N.V. Programmable magnetic memory device
US6873542B2 (en) 2002-10-03 2005-03-29 International Business Machines Corporation Antiferromagnetically coupled bi-layer sensor for magnetic random access memory
US7193889B2 (en) * 2004-02-11 2007-03-20 Hewlett-Packard Development Company, Lp. Switching of MRAM devices having soft magnetic reference layers
EP1662486A1 (en) * 2004-11-29 2006-05-31 EMPA Eidgenössische Materialprüfungs- und Forschungsanstalt Process for storing information in a magnetic multi-layer device
US7397074B2 (en) * 2005-01-12 2008-07-08 Samsung Electronics Co., Ltd. RF field heated diodes for providing thermally assisted switching to magnetic memory elements
TWI394179B (zh) * 2007-11-07 2013-04-21 Nat Univ Chung Cheng Structure and Method of Ultra - thin Ferromagnetic / Antiferromagnetic Coupling Thin Films

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2988466A (en) * 1957-11-29 1961-06-13 Gen Electric Magnetic material
US3139608A (en) * 1959-03-20 1964-06-30 Burroughs Corp Magnetizing means
US3110613A (en) * 1960-09-19 1963-11-12 Charles P Bean Magnetic material
US3141920A (en) * 1960-12-30 1964-07-21 Ibm Thin film color display device
US3423740A (en) * 1962-05-18 1969-01-21 Ibm Information handling device
DE1252739B (de) * 1964-03-17 1967-10-26 Siemens Aktiengesellschaft, Berlin und München, München Speicherelement mit gestapelten magnetischen Schichten
US3399129A (en) * 1965-11-15 1968-08-27 Ibm Sputer deposition of nickel-iron-manganese ferromagnetic films

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099564A3 (en) * 1982-07-19 1986-01-15 Hitachi, Ltd. Perpendicular magnetic recording medium and manufacturing method thereof

Also Published As

Publication number Publication date
DE1774058A1 (de) 1971-11-25
FR1524309A (fr) 1968-05-10
DE1774058B2 (de) 1976-06-24
SU444381A3 (ru) 1974-09-25
NL141317B (nl) 1974-02-15
SU411692A3 (cg-RX-API-DMAC7.html) 1974-01-15
US3582912A (en) 1971-06-01
NL6804350A (cg-RX-API-DMAC7.html) 1968-09-30

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