CA1009367A - Bubble domain memory system having redundancy - Google Patents

Bubble domain memory system having redundancy

Info

Publication number
CA1009367A
CA1009367A CA162,351A CA162351A CA1009367A CA 1009367 A CA1009367 A CA 1009367A CA 162351 A CA162351 A CA 162351A CA 1009367 A CA1009367 A CA 1009367A
Authority
CA
Canada
Prior art keywords
redundancy
memory system
bubble domain
domain memory
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.)
Expired
Application number
CA162,351A
Other languages
English (en)
Other versions
CA162351S (en
Inventor
Stanley E. Schuster
George S. Almasi
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
Application granted granted Critical
Publication of CA1009367A publication Critical patent/CA1009367A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/86—Masking faults in memories by using spares or by reconfiguring in serial access memories, e.g. shift registers, CCDs, bubble memories
    • 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
CA162,351A 1972-05-01 1973-01-24 Bubble domain memory system having redundancy Expired CA1009367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24902672A 1972-05-01 1972-05-01

Publications (1)

Publication Number Publication Date
CA1009367A true CA1009367A (en) 1977-04-26

Family

ID=22941730

Family Applications (1)

Application Number Title Priority Date Filing Date
CA162,351A Expired CA1009367A (en) 1972-05-01 1973-01-24 Bubble domain memory system having redundancy

Country Status (6)

Country Link
JP (1) JPS4923546A (it)
CA (1) CA1009367A (it)
DE (1) DE2302139A1 (it)
FR (1) FR2182840B1 (it)
GB (1) GB1371597A (it)
IT (1) IT978273B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816264B2 (ja) * 1974-12-09 1983-03-30 株式会社日立製作所 ジキバブルメモリソウチ
JPS51118341A (en) * 1975-04-11 1976-10-18 Hitachi Ltd Shift register type memory
JPS51138344A (en) * 1975-05-26 1976-11-29 Hitachi Ltd Memory device
US4070651A (en) * 1975-07-10 1978-01-24 Texas Instruments Incorporated Magnetic domain minor loop redundancy system
JPS5318926A (en) * 1976-08-06 1978-02-21 Hitachi Ltd Auxiliary loop switching circuit for magnetic bubble memory unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1181577A (fr) * 1956-08-23 1959-06-17 Bayer Ag Appareil mélangeur
DE1249926B (de) * 1961-08-08 1967-09-14 Radio Corporation of America New York, NY (V St A) Einrichtung zum Umadressieren fehlerhafter Speicherstellen eines beliebig zuganglichen Hauptspeichers in einer Datenverarbeitungsanlage
GB1010008A (en) * 1962-04-30 1965-11-17 Inv S Finance Corp A pressure regulator for injection of a plastic material
US3331058A (en) * 1964-12-24 1967-07-11 Fairchild Camera Instr Co Error free memory
NL149927B (nl) * 1968-02-19 1976-06-15 Philips Nv Woordgeorganiseerd geheugen.

Also Published As

Publication number Publication date
IT978273B (it) 1974-09-20
FR2182840A1 (it) 1973-12-14
FR2182840B1 (it) 1976-05-14
DE2302139A1 (de) 1973-11-22
GB1371597A (en) 1974-10-23
JPS4923546A (it) 1974-03-02

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