CA1118097A - Memoire a bulles magnetiques avec acces au conducteur - Google Patents

Memoire a bulles magnetiques avec acces au conducteur

Info

Publication number
CA1118097A
CA1118097A CA000317134A CA317134A CA1118097A CA 1118097 A CA1118097 A CA 1118097A CA 000317134 A CA000317134 A CA 000317134A CA 317134 A CA317134 A CA 317134A CA 1118097 A CA1118097 A CA 1118097A
Authority
CA
Canada
Prior art keywords
apertures
bubbles
bubble
layer
path
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
CA000317134A
Other languages
English (en)
Inventor
Andrew H. Bobeck
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.)
AT&T Inc
Original Assignee
Western Electric Co Inc
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
Priority claimed from US05/857,920 external-priority patent/US4142249A/en
Priority claimed from US05/857,921 external-priority patent/US4143419A/en
Priority claimed from US05/857,919 external-priority patent/US4142247A/en
Priority claimed from US05/857,925 external-priority patent/US4143420A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1118097A publication Critical patent/CA1118097A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors
    • 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
    • G11C19/0808—Digital 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
    • G11C19/0841—Digital 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
    • 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
    • G11C19/0866—Detecting magnetic domains

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Hall/Mr Elements (AREA)
CA000317134A 1977-12-06 1978-11-30 Memoire a bulles magnetiques avec acces au conducteur Expired CA1118097A (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US05/857,920 US4142249A (en) 1977-12-06 1977-12-06 Conductor-access, magnetic bubble memory
US05/857,921 US4143419A (en) 1977-12-06 1977-12-06 Magnetic bubble memory with single level electrically-conducting, drive arrangement
US05/857,919 US4142247A (en) 1977-12-06 1977-12-06 Conductor-driven magnetic bubble memory with an expander-detector arrangement
US05/857,925 US4143420A (en) 1977-12-06 1977-12-06 Conductor-access, magnetic bubble memory
US857,920 1977-12-06
US857,925 1977-12-06
US857,921 1977-12-06
US857,919 1977-12-06

Publications (1)

Publication Number Publication Date
CA1118097A true CA1118097A (fr) 1982-02-09

Family

ID=27505927

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000317134A Expired CA1118097A (fr) 1977-12-06 1978-11-30 Memoire a bulles magnetiques avec acces au conducteur

Country Status (12)

Country Link
EP (1) EP0007305A1 (fr)
CA (1) CA1118097A (fr)
DD (1) DD139906A5 (fr)
DE (1) DE2857245C1 (fr)
ES (1) ES475592A1 (fr)
FR (1) FR2467464B1 (fr)
GB (1) GB2044027B (fr)
IE (1) IE47757B1 (fr)
IT (1) IT1101299B (fr)
SE (1) SE417027B (fr)
WO (1) WO1979000360A1 (fr)
YU (1) YU282978A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480982B1 (fr) * 1980-04-18 1986-01-10 Commissariat Energie Atomique Memoire a bulles magnetiques
FR2480983A1 (fr) * 1980-04-18 1981-10-23 Commissariat Energie Atomique Memoire a bulles magnetiques

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967002A (en) * 1974-12-31 1976-06-29 International Business Machines Corporation Method for making high density magnetic bubble domain system
US3996573A (en) * 1975-04-21 1976-12-07 Texas Instruments Incorporated Bubble propagation circuits and formation thereof
US4067002A (en) * 1975-12-31 1978-01-03 International Business Machines Corporation Field access of bubble domain lattice

Also Published As

Publication number Publication date
ES475592A1 (es) 1979-05-01
YU282978A (en) 1982-06-30
SE417027B (sv) 1981-02-16
GB2044027A (en) 1980-10-08
FR2467464B1 (fr) 1988-10-07
IT7830555A0 (it) 1978-12-05
GB2044027B (en) 1982-06-03
FR2467464A1 (fr) 1981-04-17
SE7906523L (sv) 1979-08-01
WO1979000360A1 (fr) 1979-06-28
EP0007305A1 (fr) 1980-01-23
IE782407L (en) 1979-06-06
DE2857245C1 (de) 1982-09-02
IT1101299B (it) 1985-09-28
DD139906A5 (de) 1980-01-23
IE47757B1 (en) 1984-06-13

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Legal Events

Date Code Title Description
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