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GB2039181B - Magnetic bubble memory device - Google Patents

Magnetic bubble memory device

Info

Publication number
GB2039181B
GB2039181B GB7925858A GB7925858A GB2039181B GB 2039181 B GB2039181 B GB 2039181B GB 7925858 A GB7925858 A GB 7925858A GB 7925858 A GB7925858 A GB 7925858A GB 2039181 B GB2039181 B GB 2039181B
Authority
GB
United Kingdom
Prior art keywords
memory device
magnetic bubble
bubble memory
magnetic
memory
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
GB7925858A
Other versions
GB2039181A (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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB2039181A publication Critical patent/GB2039181A/en
Application granted granted Critical
Publication of GB2039181B publication Critical patent/GB2039181B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/085—Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation
    • 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
    • H01F10/30—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the intermediate layers, e.g. seed, buffer, template, diffusion preventing, cap layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Hall/Mr Elements (AREA)
GB7925858A 1978-08-07 1979-07-25 Magnetic bubble memory device Expired GB2039181B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9591178A JPS597148B2 (en) 1978-08-07 1978-08-07 magnetic bubble memory element

Publications (2)

Publication Number Publication Date
GB2039181A GB2039181A (en) 1980-07-30
GB2039181B true GB2039181B (en) 1982-09-02

Family

ID=14150465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7925858A Expired GB2039181B (en) 1978-08-07 1979-07-25 Magnetic bubble memory device

Country Status (4)

Country Link
JP (1) JPS597148B2 (en)
DE (1) DE2931825C3 (en)
GB (1) GB2039181B (en)
NL (1) NL180362C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413649B (en) * 1977-01-24 1980-06-16 Saab Scania Ab DEVICE FOR ATTEMPTING TURNING MOVEMENTS AT VEHICLES
JPS5725044U (en) * 1980-07-18 1982-02-09
JPS5727481A (en) * 1980-07-23 1982-02-13 Fujitsu Ltd Manufacture of bubble memory
JPS6128313Y2 (en) * 1980-12-16 1986-08-22
JPS58196682A (en) * 1982-05-12 1983-11-16 Hitachi Ltd Magnetic bubble memory element and its manufacturing method
JPS5948887A (en) * 1982-09-13 1984-03-21 Fujitsu Ltd Manufacturing method of magnetic bubble element
EP0319636B1 (en) * 1982-12-15 1993-03-31 Sharp Kabushiki Kaisha Magneto-optic memory device
EP0314859B1 (en) * 1982-12-15 1993-06-30 Sharp Kabushiki Kaisha Magneto-optic memory device
DE3382791T2 (en) * 1982-12-15 1995-12-07 Sharp Kk Magneto-optical memory.
JPS59112487A (en) * 1982-12-20 1984-06-28 Fujitsu Ltd Manufacture of bubble memory device
CA1224270A (en) * 1983-09-16 1987-07-14 Junji Hirokane Magneto-optic memory element
JPS63117741U (en) * 1987-01-26 1988-07-29

Also Published As

Publication number Publication date
NL7905963A (en) 1980-02-11
DE2931825B2 (en) 1981-06-25
JPS5522293A (en) 1980-02-16
DE2931825A1 (en) 1980-02-21
JPS597148B2 (en) 1984-02-16
DE2931825C3 (en) 1982-03-04
GB2039181A (en) 1980-07-30
NL180362C (en) 1987-02-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950725