GB1482998A - Magnetic bubble domain chip - Google Patents

Magnetic bubble domain chip

Info

Publication number
GB1482998A
GB1482998A GB5261374A GB5261374A GB1482998A GB 1482998 A GB1482998 A GB 1482998A GB 5261374 A GB5261374 A GB 5261374A GB 5261374 A GB5261374 A GB 5261374A GB 1482998 A GB1482998 A GB 1482998A
Authority
GB
United Kingdom
Prior art keywords
bubble
fault
loop
scout
chip
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
GB5261374A
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 GB1482998A publication Critical patent/GB1482998A/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
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/003—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation in serial memories

Landscapes

  • Mram Or Spin Memory Techniques (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
GB5261374A 1973-12-28 1974-12-05 Magnetic bubble domain chip Expired GB1482998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42941573A 1973-12-28 1973-12-28

Publications (1)

Publication Number Publication Date
GB1482998A true GB1482998A (en) 1977-08-17

Family

ID=23703144

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5261374A Expired GB1482998A (en) 1973-12-28 1974-12-05 Magnetic bubble domain chip

Country Status (5)

Country Link
JP (1) JPS555195B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1035038A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2272464A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1482998A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1030798B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001673A (en) * 1975-06-30 1977-01-04 International Business Machines Corporation Method of testing and repairing magnetic bubble domain chip
JPS55114587U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-02-08 1980-08-12
JPS55155142U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-04-23 1980-11-08
JPS5644186A (en) * 1979-09-19 1981-04-23 Fujitsu Ltd Magnetic bubble memory device
JPS60139465U (ja) * 1984-02-25 1985-09-14 藤井　勇 釣餌篭

Also Published As

Publication number Publication date
FR2272464A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-12-19
DE2459265A1 (de) 1975-07-03
JPS555195B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-02-04
DE2459265B2 (de) 1976-07-29
CA1035038A (en) 1978-07-18
JPS5099440A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-08-07
IT1030798B (it) 1979-04-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee