GB1540849A - Magnetic bubble detector - Google Patents

Magnetic bubble detector

Info

Publication number
GB1540849A
GB1540849A GB38427/76A GB3842776A GB1540849A GB 1540849 A GB1540849 A GB 1540849A GB 38427/76 A GB38427/76 A GB 38427/76A GB 3842776 A GB3842776 A GB 3842776A GB 1540849 A GB1540849 A GB 1540849A
Authority
GB
United Kingdom
Prior art keywords
magnetic bubble
bubble detector
detector
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.)
Expired
Application number
GB38427/76A
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 GB1540849A publication Critical patent/GB1540849A/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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/07—Hall effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • 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
    • G11C19/0866—Detecting magnetic domains
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB38427/76A 1975-12-31 1976-09-16 Magnetic bubble detector Expired GB1540849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/645,739 US4035785A (en) 1975-12-31 1975-12-31 Bubble domain sensor-error detector

Publications (1)

Publication Number Publication Date
GB1540849A true GB1540849A (en) 1979-02-14

Family

ID=24590274

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38427/76A Expired GB1540849A (en) 1975-12-31 1976-09-16 Magnetic bubble detector

Country Status (8)

Country Link
US (1) US4035785A (enExample)
JP (1) JPS5283139A (enExample)
CA (1) CA1087731A (enExample)
DE (1) DE2653506A1 (enExample)
FR (1) FR2337401A1 (enExample)
GB (1) GB1540849A (enExample)
IT (1) IT1074042B (enExample)
NL (1) NL7613124A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54113315A (en) * 1978-01-30 1979-09-04 Secr Defence Brit Magnetic reluctance reader
US4175289A (en) * 1978-06-05 1979-11-20 International Business Machines Corporation Serrated Y-bar magnetic bubble switch
US4283774A (en) * 1979-06-13 1981-08-11 Burroughs Corporation On-chip method of balancing memory detectors and balanced detectors formed thereby
JPS563492A (en) * 1979-06-20 1981-01-14 Fujitsu Ltd Magnetic bubble detector
FR2480982B1 (fr) * 1980-04-18 1986-01-10 Commissariat Energie Atomique Memoire a bulles magnetiques
US4432069A (en) * 1981-01-29 1984-02-14 Intel Corporation Multiplexed magnetic bubble detectors
JPS5856274A (ja) * 1981-09-30 1983-04-02 Hitachi Ltd 磁気バブルメモリのセンスアンプ
US4485319A (en) * 1982-02-26 1984-11-27 Motorola, Inc. Bubble memory sense amplifier
US7777607B2 (en) * 2004-10-12 2010-08-17 Allegro Microsystems, Inc. Resistor having a predetermined temperature coefficient
US7411803B1 (en) * 2006-02-27 2008-08-12 Richard Lienau Resistive coupled hall effect sensor
US7795862B2 (en) * 2007-10-22 2010-09-14 Allegro Microsystems, Inc. Matching of GMR sensors in a bridge
US11506732B2 (en) * 2010-10-20 2022-11-22 Infineon Technologies Ag XMR sensors with serial segment strip configurations
US11187764B2 (en) 2020-03-20 2021-11-30 Allegro Microsystems, Llc Layout of magnetoresistance element
EP4130772B1 (en) 2021-08-05 2025-07-23 Allegro MicroSystems, LLC Magnetoresistive element having compensated temperature coefficient of tmr
US12248039B2 (en) 2023-08-08 2025-03-11 Allegro Microsystems, Llc Interleaving sub-arrays of magnetoresistance elements based on reference directions to compensate for bridge offset

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3820089A (en) * 1971-11-16 1974-06-25 Bell Canada Northern Electric Magnetic bubble domain detection
US3858189A (en) * 1972-12-29 1974-12-31 Ibm Magneto resistive signal multiplier for sensing magnetic bubble domains
JPS5073535A (enExample) * 1973-10-31 1975-06-17
US3883858A (en) * 1973-12-17 1975-05-13 Ampex Magnetoresistive readout transducer for sensing magnetic domains in thin film memories

Also Published As

Publication number Publication date
JPS5642076B2 (enExample) 1981-10-02
NL7613124A (nl) 1977-07-04
FR2337401B1 (enExample) 1980-10-17
US4035785A (en) 1977-07-12
IT1074042B (it) 1985-04-17
DE2653506A1 (de) 1977-07-07
FR2337401A1 (fr) 1977-07-29
JPS5283139A (en) 1977-07-11
CA1087731A (en) 1980-10-14

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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