GB8515784D0 - Magnetic bubble memory - Google Patents

Magnetic bubble memory

Info

Publication number
GB8515784D0
GB8515784D0 GB858515784A GB8515784A GB8515784D0 GB 8515784 D0 GB8515784 D0 GB 8515784D0 GB 858515784 A GB858515784 A GB 858515784A GB 8515784 A GB8515784 A GB 8515784A GB 8515784 D0 GB8515784 D0 GB 8515784D0
Authority
GB
United Kingdom
Prior art keywords
magnetic bubble
bubble memory
memory
magnetic
bubble
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.)
Withdrawn
Application number
GB858515784A
Other versions
GB2162709A (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
Priority claimed from JP12742184A external-priority patent/JPH0646500B2/en
Priority claimed from JP59223981A external-priority patent/JPS61104487A/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB8515784D0 publication Critical patent/GB8515784D0/en
Publication of GB2162709A publication Critical patent/GB2162709A/en
Withdrawn legal-status Critical Current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
    • G11C19/0808—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
    • G11C19/0816—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 a rotating or alternating coplanar magnetic field
    • 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
    • G11C19/0875—Organisation of a plurality of magnetic shift registers
    • G11C19/0883—Means for switching magnetic domains from one path into another path, i.e. transfer switches, swap gates or decoders
GB08515784A 1984-06-22 1985-06-21 A magnetic bubble memory Withdrawn GB2162709A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12742184A JPH0646500B2 (en) 1984-06-22 1984-06-22 Magnetic bubble transfer path
JP59223981A JPS61104487A (en) 1984-10-26 1984-10-26 Magnetic bubble memory element

Publications (2)

Publication Number Publication Date
GB8515784D0 true GB8515784D0 (en) 1985-07-24
GB2162709A GB2162709A (en) 1986-02-05

Family

ID=26463384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08515784A Withdrawn GB2162709A (en) 1984-06-22 1985-06-21 A magnetic bubble memory

Country Status (1)

Country Link
GB (1) GB2162709A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176404A (en) * 1978-01-13 1979-11-27 Texas Instruments Incorporated Bubble memory structure with enhanced data density
US4193124A (en) * 1978-03-20 1980-03-11 Texas Instruments Incorporated Swap and replicate gates for magnetic bubble memory
US4224667A (en) * 1978-10-23 1980-09-23 International Business Machines Corporation Command queuing for I/O adapters
US4246648A (en) * 1979-03-08 1981-01-20 Burroughs Corporation Phase controlled replicate/swap gate for bubble memories
JPS5911985B2 (en) * 1979-07-17 1984-03-19 富士通株式会社 Bubble domain exchange circuit
US4257109A (en) * 1979-08-13 1981-03-17 Burroughs Corporation Bubble nucleator
US4333163A (en) * 1980-04-25 1982-06-01 National Semiconductor Corporation Bubble memory with increased gap tolerance between propagation elements
CA1204605A (en) * 1982-07-19 1986-05-20 Milton Stoller Diaphanoscopy method and apparatus

Also Published As

Publication number Publication date
GB2162709A (en) 1986-02-05

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)