JPS552674B2 - - Google Patents

Info

Publication number
JPS552674B2
JPS552674B2 JP9073972A JP9073972A JPS552674B2 JP S552674 B2 JPS552674 B2 JP S552674B2 JP 9073972 A JP9073972 A JP 9073972A JP 9073972 A JP9073972 A JP 9073972A JP S552674 B2 JPS552674 B2 JP S552674B2
Authority
JP
Japan
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
JP9073972A
Other versions
JPS4946838A (ja
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 filed Critical
Priority to JP9073972A priority Critical patent/JPS552674B2/ja
Priority to US395093A priority patent/US3921156A/en
Publication of JPS4946838A publication Critical patent/JPS4946838A/ja
Publication of JPS552674B2 publication Critical patent/JPS552674B2/ja
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
    • 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
JP9073972A 1972-09-08 1972-09-08 Expired JPS552674B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9073972A JPS552674B2 (ja) 1972-09-08 1972-09-08
US395093A US3921156A (en) 1972-09-08 1973-09-07 Magnetic bubble memory having by-pass paths for defective loops

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9073972A JPS552674B2 (ja) 1972-09-08 1972-09-08

Publications (2)

Publication Number Publication Date
JPS4946838A JPS4946838A (ja) 1974-05-07
JPS552674B2 true JPS552674B2 (ja) 1980-01-21

Family

ID=14006936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9073972A Expired JPS552674B2 (ja) 1972-09-08 1972-09-08

Country Status (2)

Country Link
US (1) US3921156A (ja)
JP (1) JPS552674B2 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115390A (en) * 1975-04-02 1976-10-09 Teikoku Kenma Toishi Seizosho:Kk Porous oxychloride grindstone
US4001673A (en) * 1975-06-30 1977-01-04 International Business Machines Corporation Method of testing and repairing magnetic bubble domain chip
US4027283A (en) * 1975-09-22 1977-05-31 International Business Machines Corporation Resynchronizable bubble memory
US4096580A (en) * 1976-07-26 1978-06-20 Rockwell International Corporation Multiple redundancy loop bubble domain memory
US4384344A (en) * 1977-12-22 1983-05-17 The United States Of America As Represented By The Secretary Of The Air Force Layout for single level block access chip
US4155121A (en) * 1978-06-30 1979-05-15 International Business Machines Corporation Redundant charge-coupled device and method
US4225941A (en) * 1978-10-30 1980-09-30 Trw Inc. Controller for bubble memories
US4234935A (en) * 1978-12-04 1980-11-18 International Business Machines Corporation Means for maintaining the identification of defective minor loops in a magnetic bubble memory
JPS55155142U (ja) * 1979-04-23 1980-11-08
US4759020A (en) * 1985-09-25 1988-07-19 Unisys Corporation Self-healing bubble memories

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613058A (en) * 1969-11-20 1971-10-12 Bell Telephone Labor Inc Magnetic domain propagation arrangement
JPS511536B1 (ja) * 1971-02-24 1976-01-19
US3701132A (en) * 1971-10-27 1972-10-24 Bell Telephone Labor Inc Dynamic reallocation of information on serial storage arrangements
US3713116A (en) * 1971-11-09 1973-01-23 Bell Telephone Labor Inc Single-wall domain arrangement
US3792450A (en) * 1972-05-08 1974-02-12 Singer Co System for overcoming faults in magnetic anisotropic material

Also Published As

Publication number Publication date
JPS4946838A (ja) 1974-05-07
US3921156A (en) 1975-11-18

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