CH402947A - Manufacturing process of magnetic memory devices - Google Patents

Manufacturing process of magnetic memory devices

Info

Publication number
CH402947A
CH402947A CH483263A CH483263A CH402947A CH 402947 A CH402947 A CH 402947A CH 483263 A CH483263 A CH 483263A CH 483263 A CH483263 A CH 483263A CH 402947 A CH402947 A CH 402947A
Authority
CH
Switzerland
Prior art keywords
manufacturing process
memory devices
magnetic memory
magnetic
devices
Prior art date
Application number
CH483263A
Other languages
French (fr)
Original Assignee
Ncr Co
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 Ncr Co filed Critical Ncr Co
Publication of CH402947A publication Critical patent/CH402947A/en

Links

Classifications

    • 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
    • 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
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
    • 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
    • H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
    • H01F10/28—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Physical Vapour Deposition (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
CH483263A 1962-04-19 1963-04-17 Manufacturing process of magnetic memory devices CH402947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18883662A 1962-04-19 1962-04-19

Publications (1)

Publication Number Publication Date
CH402947A true CH402947A (en) 1965-11-30

Family

ID=22694734

Family Applications (1)

Application Number Title Priority Date Filing Date
CH483263A CH402947A (en) 1962-04-19 1963-04-17 Manufacturing process of magnetic memory devices

Country Status (5)

Country Link
BE (1) BE630570A (en)
CH (1) CH402947A (en)
DE (1) DE1199814B (en)
GB (1) GB954880A (en)
NL (2) NL126091C (en)

Also Published As

Publication number Publication date
GB954880A (en) 1964-04-08
NL291687A (en)
NL126091C (en)
BE630570A (en)
DE1199814B (en) 1965-09-02

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