[go: up one dir, main page]

FR2648828B1 - PROCESS FOR THE PREPARATION, BY CATHODE SPRAYING, OF MULTILAYERED THIN FILMS OF A MAGNETIC SUBSTANCE AND OF SILVER, WITH IMPROVED MAGNETIC AND / OR MAGNETO-OPTICAL PROPERTIES - Google Patents

PROCESS FOR THE PREPARATION, BY CATHODE SPRAYING, OF MULTILAYERED THIN FILMS OF A MAGNETIC SUBSTANCE AND OF SILVER, WITH IMPROVED MAGNETIC AND / OR MAGNETO-OPTICAL PROPERTIES

Info

Publication number
FR2648828B1
FR2648828B1 FR8908339A FR8908339A FR2648828B1 FR 2648828 B1 FR2648828 B1 FR 2648828B1 FR 8908339 A FR8908339 A FR 8908339A FR 8908339 A FR8908339 A FR 8908339A FR 2648828 B1 FR2648828 B1 FR 2648828B1
Authority
FR
France
Prior art keywords
magnetic
magneto
silver
preparation
optical properties
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 - Lifetime
Application number
FR8908339A
Other languages
French (fr)
Other versions
FR2648828A1 (en
Inventor
Ramanathan Krishnan
Michel Tessier
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 CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR8908339A priority Critical patent/FR2648828B1/en
Publication of FR2648828A1 publication Critical patent/FR2648828A1/en
Application granted granted Critical
Publication of FR2648828B1 publication Critical patent/FR2648828B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/64Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/672Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00Manufacture or treatment of nanostructures
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14Metallic material, boron or silicon
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/31Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851Coating a support with a magnetic layer by sputtering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/32Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/324Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H01F10/325Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being noble metal
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/14Apparatus 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
    • H01F41/30Apparatus 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 for applying nanostructures, e.g. by molecular beam epitaxy [MBE]
    • H01F41/302Apparatus 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 for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Thin Magnetic Films (AREA)
FR8908339A 1989-06-22 1989-06-22 PROCESS FOR THE PREPARATION, BY CATHODE SPRAYING, OF MULTILAYERED THIN FILMS OF A MAGNETIC SUBSTANCE AND OF SILVER, WITH IMPROVED MAGNETIC AND / OR MAGNETO-OPTICAL PROPERTIES Expired - Lifetime FR2648828B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8908339A FR2648828B1 (en) 1989-06-22 1989-06-22 PROCESS FOR THE PREPARATION, BY CATHODE SPRAYING, OF MULTILAYERED THIN FILMS OF A MAGNETIC SUBSTANCE AND OF SILVER, WITH IMPROVED MAGNETIC AND / OR MAGNETO-OPTICAL PROPERTIES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8908339A FR2648828B1 (en) 1989-06-22 1989-06-22 PROCESS FOR THE PREPARATION, BY CATHODE SPRAYING, OF MULTILAYERED THIN FILMS OF A MAGNETIC SUBSTANCE AND OF SILVER, WITH IMPROVED MAGNETIC AND / OR MAGNETO-OPTICAL PROPERTIES

Publications (2)

Publication Number Publication Date
FR2648828A1 FR2648828A1 (en) 1990-12-28
FR2648828B1 true FR2648828B1 (en) 1991-10-04

Family

ID=9383030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8908339A Expired - Lifetime FR2648828B1 (en) 1989-06-22 1989-06-22 PROCESS FOR THE PREPARATION, BY CATHODE SPRAYING, OF MULTILAYERED THIN FILMS OF A MAGNETIC SUBSTANCE AND OF SILVER, WITH IMPROVED MAGNETIC AND / OR MAGNETO-OPTICAL PROPERTIES

Country Status (1)

Country Link
FR (1) FR2648828B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363794A (en) * 1992-12-02 1994-11-15 The Board Of Trustees Of The Leland Stanford Junior University Uniaxial thin film structures formed from oriented bilayers and multilayers
US6425989B1 (en) * 1999-12-16 2002-07-30 International Business Machines Corporation Method of sputtering high moment iron nitride based magnetic head layers

Also Published As

Publication number Publication date
FR2648828A1 (en) 1990-12-28

Similar Documents

Publication Publication Date Title
AU1081588A (en) Treatment of liquids and biological tissues by magnetic induction
MA22626A1 (en) PROCESS FOR THE PREPARATION OF IMIDAZOLYL-ALKENOIC ACIDS.
FR2656337B1 (en) OXYGEN GENERATING ELECTRODE AND PROCESS FOR ITS PREPARATION.
FR2584100B1 (en) EVAPORATOR FOR OBTAINING, BY VACUUM EVAPORATION, DEPOSITS OF THIN FILMS
FI905674A0 (en) Process for the preparation of pharmaceutically useful 5,11-dihydro-6H-dipyrido / 3,2-b: 2 ', 3'-e // 1,4 / diazepin-6-ones and ions
MA21645A1 (en) PROCESS FOR THE PREPARATION OF NEW RTEMISININ DERIVATIVES.
FR2630733B1 (en) PROCESS FOR THE PREPARATION OF PHENOL
FR2643073B1 (en) PROCESS FOR THE PREPARATION OF PURIFIED FLAVAN-3-OL POLYPHENOLIC EXTRACTS AND EXTRACTS OBTAINED
MA21802A1 (en) PROCESS FOR THE PREPARATION OF THE DISODIUM SALT OF CEFODIZIME.
FR2648828B1 (en) PROCESS FOR THE PREPARATION, BY CATHODE SPRAYING, OF MULTILAYERED THIN FILMS OF A MAGNETIC SUBSTANCE AND OF SILVER, WITH IMPROVED MAGNETIC AND / OR MAGNETO-OPTICAL PROPERTIES
FR2626890B1 (en) PROCESS FOR THE PREPARATION OF ALGAE HAVING AN IMPROVED BIOLOGICAL EFFECT
FR2682874B1 (en) PROCESS FOR THE PREPARATION OF AN EXTRACT OF ACTIVE PRINCIPLES IN THE DRY ADSORBABLE FORM AND ADSORBABLE MICROGRANULES THUS OBTAINED.
FR2648318B1 (en) HYPOSODE CHEESES AND THEIR PROCESS FOR OBTAINING
FR2621033B1 (en) PROCESS FOR THE PREPARATION OF ZIRCONE STABILIZED WITH YTTRIUM AND PRODUCT THUS OBTAINED
FR2585366B1 (en) PROCESS FOR THE MICROBIOLOGICAL HYDROXYLATION OF QUININE, QUINIDINE, AND DERIVATIVES
FR2583419B1 (en) PROCESS FOR THE PREPARATION OF 2-BROMO-A-ERGOCRYPTINE AND ITS ADDED SALTS OF ACIDS.
AU5825990A (en) Alkylene oxide production using vapor phase oxidation of an alkane or olefin in molten salt and recirculation of aldehyde by-products
FR2666965B1 (en) PROCESS FOR THE PREPARATION OF CONCENTRATED EXTRACT OF ALGAE.
FR2656605B1 (en) PROCESS FOR THE PREPARATION OF AMINO-2-PROPANEDIOL-1,3 AND ITS SALTS.
FR2679229B1 (en) PROCESS FOR THE PREPARATION OF CIS-INOSITOL, MESO-INOSITOL, EPI-INOSITOL AND / OR CIS-QUERCITOL MAY BE DEUTERED.
FR2642079B1 (en) PROCESS FOR THE PREPARATION OF POLYMER POWDER
FR2651260B1 (en) AERATION PROCESS OF CELLARS OR OTHER PREMISES.
MA21181A1 (en) PROCESS FOR THE PREPARATION OF CONDENSED AZEPINONE AND AZOCINONE DERIVATIVES.
HU9201976D0 (en) Medical preparative inhibiting production of active lymphocytes
FR2630741B1 (en) PROCESS FOR THE PREPARATION OF ACRYLOYLOXYETHOXYMETHYL-MELAMINES

Legal Events

Date Code Title Description
ST Notification of lapse