DE2327313A1 - Anordnung zur aufrechterhaltung und weiterleitung von magnetischen zylindrischen einzelwanddomaenen in einer magnetschicht - Google Patents

Anordnung zur aufrechterhaltung und weiterleitung von magnetischen zylindrischen einzelwanddomaenen in einer magnetschicht

Info

Publication number
DE2327313A1
DE2327313A1 DE2327313A DE2327313A DE2327313A1 DE 2327313 A1 DE2327313 A1 DE 2327313A1 DE 2327313 A DE2327313 A DE 2327313A DE 2327313 A DE2327313 A DE 2327313A DE 2327313 A1 DE2327313 A1 DE 2327313A1
Authority
DE
Germany
Prior art keywords
magnetic
magnetic layer
field
bias field
planar
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.)
Pending
Application number
DE2327313A
Other languages
German (de)
English (en)
Inventor
Bertram Allen Calhoun
Hsu Chang
Laurence Lee Rosier
John Casimir Slonczewski
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2327313A1 publication Critical patent/DE2327313A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G11C19/0875Organisation of a plurality of magnetic shift registers
    • 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
    • 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
    • G11C19/0816Digital 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 a rotating or alternating coplanar magnetic field
    • 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
    • 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
    • G11C19/085Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation

Landscapes

  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE2327313A 1972-06-22 1973-05-29 Anordnung zur aufrechterhaltung und weiterleitung von magnetischen zylindrischen einzelwanddomaenen in einer magnetschicht Pending DE2327313A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US265366A US3876994A (en) 1972-06-22 1972-06-22 Planar bias field control of magnetic bubble domain apparatus

Publications (1)

Publication Number Publication Date
DE2327313A1 true DE2327313A1 (de) 1974-01-10

Family

ID=23010136

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2327313A Pending DE2327313A1 (de) 1972-06-22 1973-05-29 Anordnung zur aufrechterhaltung und weiterleitung von magnetischen zylindrischen einzelwanddomaenen in einer magnetschicht

Country Status (5)

Country Link
US (1) US3876994A (US07608600-20091027-C00054.png)
JP (1) JPS5644509B2 (US07608600-20091027-C00054.png)
DE (1) DE2327313A1 (US07608600-20091027-C00054.png)
FR (1) FR2189839B1 (US07608600-20091027-C00054.png)
GB (1) GB1437014A (US07608600-20091027-C00054.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079460A (en) * 1973-04-25 1978-03-14 U.S. Philips Corporation Device operating with the displacement of magnetic domain walls
US4007445A (en) * 1974-12-31 1977-02-08 International Business Machines Corporation Minimum structure bubble domain propagation
US3984823A (en) * 1975-03-21 1976-10-05 Bell Telephone Laboratories, Incorporated Magnetic bubble field-access replicator operative with the drive field in a fixed orientation
US4060798A (en) * 1976-05-12 1977-11-29 The United States Of America As Represented By The Secretary Of The Navy Method for increasing the critical velocity of magnetic bubble propagation in magnetic materials
FR2544121B1 (fr) * 1983-04-08 1988-06-10 Commissariat Energie Atomique Memoire a bulles magnetiques
JPH0227544A (ja) * 1988-07-15 1990-01-30 Canon Inc 光磁気記録媒体及び記録方法
WO1991012614A1 (en) * 1991-06-10 1991-08-22 Spetsialnoe Konstruktorsko-Tekhnologicheskoe Bjuro Donetskogo Fiziko-Tekhnicheskogo Instituta Akademii Nauk Ukrainskoi Ssr Information storage for memory device based on cylindrical magnetic domains
DE19920040A1 (de) * 1999-04-23 2000-11-02 Siemens Ag Verfahren zur Umformung eines Kupfer-Rohlings durch Kaltfließpressen und Preßwerkzeug mit zugeordnetem Schneidwerkzeug zur Durchführung des Verfahrens

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3602911A (en) * 1969-12-23 1971-08-31 Bell Telephone Labor Inc Single wall magnetic domain propagation arrangement
US3638206A (en) * 1970-05-08 1972-01-25 Bell Telephone Labor Inc Domain propagation arrangement
US3636531A (en) * 1970-06-24 1972-01-18 Bell Telephone Labor Inc Domain propagation arrangement
US3644908A (en) * 1970-06-29 1972-02-22 Bell Telephone Labor Inc Domain-propagation arrangement
US3638205A (en) * 1970-06-29 1972-01-25 Bell Telephone Labor Inc Magnetic domain propagation arrangement
US3668667A (en) * 1970-09-30 1972-06-06 Bell Telephone Labor Inc Multilevel domain propagation arrangement
US3662359A (en) * 1970-12-31 1972-05-09 Ibm Method and apparatus for creation of cylindrical, single wall domains

Also Published As

Publication number Publication date
FR2189839B1 (US07608600-20091027-C00054.png) 1976-05-28
FR2189839A1 (US07608600-20091027-C00054.png) 1974-01-25
JPS5644509B2 (US07608600-20091027-C00054.png) 1981-10-20
US3876994A (en) 1975-04-08
JPS4952542A (US07608600-20091027-C00054.png) 1974-05-22
GB1437014A (en) 1976-05-26

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