CA1063724A - Magnetic domain bias field assembly - Google Patents

Magnetic domain bias field assembly

Info

Publication number
CA1063724A
CA1063724A CA240,797A CA240797A CA1063724A CA 1063724 A CA1063724 A CA 1063724A CA 240797 A CA240797 A CA 240797A CA 1063724 A CA1063724 A CA 1063724A
Authority
CA
Canada
Prior art keywords
bias field
assembly
drive coil
magnet
magnetic
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
CA240,797A
Other languages
English (en)
French (fr)
Inventor
Ling G. Chow
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Inc
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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA1063724A publication Critical patent/CA1063724A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
    • 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
    • G11C19/085—Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Measuring Magnetic Variables (AREA)
CA240,797A 1975-02-18 1975-12-01 Magnetic domain bias field assembly Expired CA1063724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/550,783 US4068219A (en) 1975-02-18 1975-02-18 Magnetic domain bias field assembly

Publications (1)

Publication Number Publication Date
CA1063724A true CA1063724A (en) 1979-10-02

Family

ID=24198553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA240,797A Expired CA1063724A (en) 1975-02-18 1975-12-01 Magnetic domain bias field assembly

Country Status (6)

Country Link
US (1) US4068219A (enExample)
JP (1) JPS51108538A (enExample)
CA (1) CA1063724A (enExample)
DE (1) DE2605666A1 (enExample)
FR (1) FR2301905A1 (enExample)
GB (1) GB1535270A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246646A (en) * 1978-07-07 1981-01-20 Hitachi, Ltd. Magnetic bubble chip-mounting plane
US4734883A (en) * 1985-05-10 1988-03-29 The Singer Company Magnetic bubble memory purge and verification system
DE3518852A1 (de) * 1985-05-23 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Magnet eines kernspintomographen
EP3489972B1 (en) * 2017-11-27 2020-04-15 Premo, S.A. Inductor device with light weight configuration

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678478A (en) * 1971-02-18 1972-07-18 Bell Telephone Labor Inc Stacking arrangement which provides self-biasing for single wall domain organizations
US3742471A (en) * 1971-02-24 1973-06-26 Hitachi Ltd Bubble domain apparatus
US3702991A (en) * 1971-03-30 1972-11-14 Texas Instruments Inc Magnetic domain memory structure
US3831156A (en) * 1971-12-06 1974-08-20 Hughes Aircraft Co Biasing apparatus for magnetic domain stores
US3806899A (en) * 1972-04-10 1974-04-23 Hughes Aircraft Co Magnetoresistive readout for domain addressing interrogator
US3864671A (en) * 1972-04-10 1975-02-04 Hughes Aircraft Co Package structure for movable magnetic domain devices
US3836896A (en) * 1972-06-29 1974-09-17 Ibm Non-volatile magnetic domain device having binary valued bias field excitation
US3786445A (en) * 1972-07-03 1974-01-15 Ibm Integrated magnetic bubble and semiconductor device
US3931618A (en) * 1973-11-14 1976-01-06 Hewlett-Packard Company Housing structure and magnetic biasing for bubble memories
US3927397A (en) * 1974-05-02 1975-12-16 Honeywell Inf Systems Bias field apparatus for magnetic domain memory device
CA1035461A (en) * 1974-05-16 1978-07-25 Andrew H. Bobeck Magnetic bubble, field-access assembly
US3860895A (en) * 1974-05-28 1975-01-14 Honeywell Inf Systems Magnetic shunt assembly for bias field apparatus

Also Published As

Publication number Publication date
FR2301905B1 (enExample) 1979-01-19
FR2301905A1 (fr) 1976-09-17
DE2605666A1 (de) 1976-08-26
US4068219A (en) 1978-01-10
JPS51108538A (enExample) 1976-09-25
GB1535270A (en) 1978-12-13

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