GB1110428A - Improvements in or relating to thin film memory devices - Google Patents

Improvements in or relating to thin film memory devices

Info

Publication number
GB1110428A
GB1110428A GB47198/66A GB4719866A GB1110428A GB 1110428 A GB1110428 A GB 1110428A GB 47198/66 A GB47198/66 A GB 47198/66A GB 4719866 A GB4719866 A GB 4719866A GB 1110428 A GB1110428 A GB 1110428A
Authority
GB
United Kingdom
Prior art keywords
film
soft
thin film
substrate
hard
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
GB47198/66A
Other languages
English (en)
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.)
Ampex Corp
Original Assignee
Ampex Corp
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 Ampex Corp filed Critical Ampex Corp
Publication of GB1110428A publication Critical patent/GB1110428A/en
Expired 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
    • G11B5/65Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/656Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0808Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
    • G11C19/0841Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using electric current
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/08Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/26Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
    • H01F10/265Magnetic multilayers non exchange-coupled

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Magnetic Heads (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
GB47198/66A 1965-11-16 1966-10-21 Improvements in or relating to thin film memory devices Expired GB1110428A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50810865A 1965-11-16 1965-11-16

Publications (1)

Publication Number Publication Date
GB1110428A true GB1110428A (en) 1968-04-18

Family

ID=24021417

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47198/66A Expired GB1110428A (en) 1965-11-16 1966-10-21 Improvements in or relating to thin film memory devices

Country Status (3)

Country Link
US (1) US3607677A (enExample)
GB (1) GB1110428A (enExample)
NL (1) NL6616094A (enExample)

Also Published As

Publication number Publication date
DE1499593B2 (de) 1972-08-03
US3607677A (en) 1971-09-21
DE1499593A1 (de) 1970-04-09
NL6616094A (enExample) 1967-05-17

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