GB1482531A - Magnetic bubble domain device - Google Patents

Magnetic bubble domain device

Info

Publication number
GB1482531A
GB1482531A GB44973/74A GB4497374A GB1482531A GB 1482531 A GB1482531 A GB 1482531A GB 44973/74 A GB44973/74 A GB 44973/74A GB 4497374 A GB4497374 A GB 4497374A GB 1482531 A GB1482531 A GB 1482531A
Authority
GB
United Kingdom
Prior art keywords
magnetic
medium
occupied
bubble domain
domain device
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
GB44973/74A
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.)
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 GB1482531A publication Critical patent/GB1482531A/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
    • 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
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites
    • H01F10/24—Garnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
GB44973/74A 1973-11-12 1974-10-17 Magnetic bubble domain device Expired GB1482531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/415,456 US3949386A (en) 1973-11-12 1973-11-12 Bubble domain devices using garnet materials with single rare earth ion on all dodecahedral sites

Publications (1)

Publication Number Publication Date
GB1482531A true GB1482531A (en) 1977-08-10

Family

ID=23645750

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44973/74A Expired GB1482531A (en) 1973-11-12 1974-10-17 Magnetic bubble domain device

Country Status (7)

Country Link
US (1) US3949386A (enExample)
JP (1) JPS5423437B2 (enExample)
CA (1) CA1035036A (enExample)
DE (1) DE2453251A1 (enExample)
FR (1) FR2251074B1 (enExample)
GB (1) GB1482531A (enExample)
IT (1) IT1022439B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002803A (en) * 1975-08-25 1977-01-11 Bell Telephone Laboratories, Incorporated Magnetic bubble devices with controlled temperature characteristics
DE2600959C2 (de) * 1976-01-13 1984-06-28 Philips Patentverwaltung Gmbh, 2000 Hamburg Ferrimagnetische Granatschicht für magnetooptische Speicher und deren Herstellung
US4473619A (en) * 1983-01-24 1984-09-25 Porco Daniel A Magnetic audio recording tape and method of preparation thereof
FR2572844B1 (fr) * 1984-11-02 1986-12-26 Commissariat Energie Atomique Materiau magnetique du type grenat, film magnetique a forte rotation faraday comportant un tel materiau et son procede de fabrication

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646529A (en) * 1970-04-20 1972-02-29 Bell Telephone Labor Inc Magnetic devices utilizing garnet compositions

Also Published As

Publication number Publication date
IT1022439B (it) 1978-03-20
FR2251074A1 (enExample) 1975-06-06
JPS5078894A (enExample) 1975-06-26
FR2251074B1 (enExample) 1981-02-06
CA1035036A (en) 1978-07-18
JPS5423437B2 (enExample) 1979-08-14
DE2453251A1 (de) 1975-05-15
US3949386A (en) 1976-04-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee