CH483691A - Couche mince à fort champ coercitif pour mémoire magnétique et procédé de fabrication de ladite couche - Google Patents

Couche mince à fort champ coercitif pour mémoire magnétique et procédé de fabrication de ladite couche

Info

Publication number
CH483691A
CH483691A CH1706867A CH1706867A CH483691A CH 483691 A CH483691 A CH 483691A CH 1706867 A CH1706867 A CH 1706867A CH 1706867 A CH1706867 A CH 1706867A CH 483691 A CH483691 A CH 483691A
Authority
CH
Switzerland
Prior art keywords
layer
manufacturing
magnetic memory
coercive field
thin layer
Prior art date
Application number
CH1706867A
Other languages
English (en)
Inventor
Grunberg Georges
Lazzari Jean-Pierre
Melnick Igor
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Publication of CH483691A publication Critical patent/CH483691A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • 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
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/13—Amorphous metallic alloys, e.g. glassy metals
    • H01F10/132—Amorphous metallic alloys, e.g. glassy metals containing cobalt
    • 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
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/16—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing cobalt
    • 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
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/20—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates by evaporation
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • 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
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-base component
    • Y10T428/12854—Next to Co-, Fe-, or Ni-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Thin Magnetic Films (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Physical Vapour Deposition (AREA)
CH1706867A 1966-12-23 1967-12-06 Couche mince à fort champ coercitif pour mémoire magnétique et procédé de fabrication de ladite couche CH483691A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR88714A FR1511664A (fr) 1966-12-23 1966-12-23 Couches minces à fort champ coercitif

Publications (1)

Publication Number Publication Date
CH483691A true CH483691A (fr) 1969-12-31

Family

ID=8622897

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1706867A CH483691A (fr) 1966-12-23 1967-12-06 Couche mince à fort champ coercitif pour mémoire magnétique et procédé de fabrication de ladite couche

Country Status (11)

Country Link
US (1) US3787237A (fr)
JP (1) JPS5218396B1 (fr)
BE (1) BE707541A (fr)
CH (1) CH483691A (fr)
ES (1) ES348482A1 (fr)
FR (1) FR1511664A (fr)
GB (1) GB1201957A (fr)
IL (1) IL29095A (fr)
LU (1) LU55097A1 (fr)
NL (1) NL6717553A (fr)
SE (1) SE348070B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2250480C3 (de) * 1972-10-14 1975-07-17 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Monovinylacetylen
US4202932A (en) * 1978-07-21 1980-05-13 Xerox Corporation Magnetic recording medium
EP0036717A1 (fr) * 1980-03-07 1981-09-30 Matsushita Electric Industrial Co., Ltd. Milieu d'enregistrement magnétique
JPS57143728A (en) * 1981-02-27 1982-09-06 Fuji Photo Film Co Ltd Magnetic recording medium
JPS57143727A (en) * 1981-02-27 1982-09-06 Fuji Photo Film Co Ltd Magnetic recording medium
JPS57143729A (en) * 1981-02-27 1982-09-06 Fuji Photo Film Co Ltd Magnetic recording medium
US4675240A (en) * 1982-11-22 1987-06-23 International Business Machines Corporation Magnetic recording disk using silicon substrate
US4610911A (en) * 1983-11-03 1986-09-09 Hewlett-Packard Company Thin film magnetic recording media
US4687712A (en) * 1983-12-12 1987-08-18 Matsushita Electric Industrial Co., Ltd. Vertical magnetic recording medium
JPS60160015A (ja) * 1984-01-31 1985-08-21 Sony Corp 磁気記録媒体
JPH0722044B2 (ja) * 1984-09-12 1995-03-08 ソニー株式会社 高周波高透磁率磁性材料
US4587176A (en) * 1985-01-14 1986-05-06 E. I. Du Pont De Nemours And Company Layered coherent structures for magnetic recording
EP0213191A4 (fr) * 1985-02-28 1988-04-27 Trimedia Corp Disque memoire a couche mince et procede.
US5082747A (en) * 1985-11-12 1992-01-21 Hedgcoth Virgle L Magnetic recording disk and sputtering process and apparatus for producing same
US4894133A (en) * 1985-11-12 1990-01-16 Virgle L. Hedgcoth Method and apparatus making magnetic recording disk
US4735840A (en) * 1985-11-12 1988-04-05 Cyberdisk, Inc. Magnetic recording disk and sputtering process and apparatus for producing same
GB2186293B (en) * 1986-02-11 1990-07-04 Emi Plc Thorn Magnetic thin film recording media
US4749628A (en) * 1986-04-29 1988-06-07 International Business Machines Corporation Multilayered vertical magnetic recording medium
US4847161A (en) * 1986-12-19 1989-07-11 Siemens Aktiengesellschaft Magnetically anisotropic recording medium
US4935311A (en) * 1987-04-13 1990-06-19 Hitachi, Ltd. Magnetic multilayered film and magnetic head using the same
US5051288A (en) * 1989-03-16 1991-09-24 International Business Machines Corporation Thin film magnetic recording disk comprising alternating layers of a CoNi or CoPt alloy and a non-magnetic spacer layer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549417A (en) * 1965-11-16 1970-12-22 Ibm Method of making isocoercive magnetic alloy coatings
US3702263A (en) * 1970-02-20 1972-11-07 Ibm Process for electrolessly plating magnetic thin films

Also Published As

Publication number Publication date
ES348482A1 (es) 1969-06-16
US3787237A (en) 1974-01-22
NL6717553A (fr) 1968-06-24
LU55097A1 (fr) 1968-03-04
IL29095A (en) 1971-01-28
SE348070B (fr) 1972-08-21
FR1511664A (fr) 1968-02-02
JPS5218396B1 (fr) 1977-05-21
GB1201957A (en) 1970-08-12
BE707541A (fr) 1968-04-16

Similar Documents

Publication Publication Date Title
CH483691A (fr) Couche mince à fort champ coercitif pour mémoire magnétique et procédé de fabrication de ladite couche
CH495027A (fr) Elément d'enregistrement magnétique d'informations et procédé pour sa fabrication
FR1502769A (fr) Procédé de fabrication de réservoirs à enveloppes multiples et réservoirs ainsi obtenus
FR1547803A (fr) Noyaux magnétiques perfectionnés et leur procédé de fabrication
FR1511963A (fr) Transistor à effet de champ à porte isolée et procédé pour sa fabrication
FR1413011A (fr) Elément de mémoire magnétique et procédé de fabrication
CH486706A (fr) Magnétomètre à résonances nucléaire et électronique
FR1500971A (fr) Magnétomètre à résonance magnétique nucléaire
FR1468319A (fr) Noyau magnétique à emmagasinage et mémoire à constantes formée de noyaux de ce type
FR1472378A (fr) Procédé de fabrication de dispositifs ou maquettes à un ou plusieurs circuits électriques et éléments pour sa mise en oeuvre
FR1520404A (fr) Mémoire magnétique en couche mince perfectionnée
FR1505817A (fr) Procédé de fabrication de dispositifs d'emmagasinages magnétiques
FR92463E (fr) Condensateurs à pellicule mince et leur procédé de fabrication
FR1467958A (fr) Mémoire à couche mince magnétique à lecture non destructive
CH528802A (fr) Plan de mémoire magnétique à fils et procédé de fabrication dudit plan de mémoire
FR1543789A (fr) Mémoire magnétique à film mince
FR1482532A (fr) Mémoires magnétiques à couche mince
FR1387098A (fr) Procédé de fabrication de circuits magnétiques à pellicule mince
FR94387E (fr) Élément de mémoire a couche magnétique mince et procédé de lecture d'une matrice de mémoire constituée par de tels éléments.
FR1520068A (fr) Mémoire à mince pellicule magnétique cylindrique
AU295981B2 (en) Method of manufacturing magnetic data storage device
FR1491059A (fr) Elément de mémoire à couche magnétique mince et procédé de lecture d'une matrice de mémoire consitituée par de tels éléments
AU642266A (en) Method of manufacturing magnetic data storage device
AU406629B2 (en) Method of fabricating magnetic data storage devices
FR1465074A (fr) Mémoire magnétique constituée par une ferrite monocristalline et son procédé de fabrication

Legal Events

Date Code Title Description
PL Patent ceased