FR1511664A - Couches minces à fort champ coercitif - Google Patents

Couches minces à fort champ coercitif

Info

Publication number
FR1511664A
FR1511664A FR88714A FR88714A FR1511664A FR 1511664 A FR1511664 A FR 1511664A FR 88714 A FR88714 A FR 88714A FR 88714 A FR88714 A FR 88714A FR 1511664 A FR1511664 A FR 1511664A
Authority
FR
France
Prior art keywords
thin films
coercive field
strong coercive
strong
field
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
FR88714A
Other languages
English (en)
Inventor
Georges Grunberg
Igor Melnick
Jean-Pierre Lazzari
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR88714A priority Critical patent/FR1511664A/fr
Priority to BE707541D priority patent/BE707541A/xx
Priority to CH1706867A priority patent/CH483691A/fr
Priority to GB55564/67A priority patent/GB1201957A/en
Priority to IL29095A priority patent/IL29095A/xx
Priority to LU55097D priority patent/LU55097A1/xx
Priority to SE17335/67A priority patent/SE348070B/xx
Priority to ES348482A priority patent/ES348482A1/es
Priority to NL6717553A priority patent/NL6717553A/xx
Priority to JP42082597A priority patent/JPS5218396B1/ja
Application granted granted Critical
Publication of FR1511664A publication Critical patent/FR1511664A/fr
Priority to US00155640A priority patent/US3787237A/en
Expired legal-status Critical Current

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)
FR88714A 1966-12-23 1966-12-23 Couches minces à fort champ coercitif Expired FR1511664A (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR88714A FR1511664A (fr) 1966-12-23 1966-12-23 Couches minces à fort champ coercitif
BE707541D BE707541A (fr) 1966-12-23 1967-12-05
GB55564/67A GB1201957A (en) 1966-12-23 1967-12-06 Thin film having a high coercivity
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
IL29095A IL29095A (en) 1966-12-23 1967-12-10 Isotropic film having a high coercive field and a process for the production thereof
LU55097D LU55097A1 (fr) 1966-12-23 1967-12-14
SE17335/67A SE348070B (fr) 1966-12-23 1967-12-18
ES348482A ES348482A1 (es) 1966-12-23 1967-12-21 Perfeccionamientos en la construccion de capas isotropas defuerte campo coercitivo.
NL6717553A NL6717553A (fr) 1966-12-23 1967-12-22
JP42082597A JPS5218396B1 (fr) 1966-12-23 1967-12-23
US00155640A US3787237A (en) 1966-12-23 1971-06-22 Method of making a thin film having a high coercive field

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
FR1511664A true FR1511664A (fr) 1968-02-02

Family

ID=8622897

Family Applications (1)

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

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2203127A1 (en) * 1972-10-14 1974-05-10 Ibm Corrosion resisting magnetic recording element - prepd. by coating with a metal, an antimagnetic layer, and an oxide
EP0036717A1 (fr) * 1980-03-07 1981-09-30 Matsushita Electric Industrial Co., Ltd. Milieu d'enregistrement magnétique

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202932A (en) * 1978-07-21 1980-05-13 Xerox Corporation 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
JPS57143728A (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
WO1986005214A1 (fr) * 1985-02-28 1986-09-12 Trimedia Corporation Disque memoire a couche mince et procede
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
US5082747A (en) * 1985-11-12 1992-01-21 Hedgcoth Virgle L 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2203127A1 (en) * 1972-10-14 1974-05-10 Ibm Corrosion resisting magnetic recording element - prepd. by coating with a metal, an antimagnetic layer, and an oxide
EP0036717A1 (fr) * 1980-03-07 1981-09-30 Matsushita Electric Industrial Co., Ltd. Milieu d'enregistrement magnétique

Also Published As

Publication number Publication date
ES348482A1 (es) 1969-06-16
CH483691A (fr) 1969-12-31
JPS5218396B1 (fr) 1977-05-21
NL6717553A (fr) 1968-06-24
LU55097A1 (fr) 1968-03-04
SE348070B (fr) 1972-08-21
BE707541A (fr) 1968-04-16
IL29095A (en) 1971-01-28
GB1201957A (en) 1970-08-12
US3787237A (en) 1974-01-22

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