FR2301905A1 - Dispositif generateur de champ de polarisation - Google Patents

Dispositif generateur de champ de polarisation

Info

Publication number
FR2301905A1
FR2301905A1 FR7601407A FR7601407A FR2301905A1 FR 2301905 A1 FR2301905 A1 FR 2301905A1 FR 7601407 A FR7601407 A FR 7601407A FR 7601407 A FR7601407 A FR 7601407A FR 2301905 A1 FR2301905 A1 FR 2301905A1
Authority
FR
France
Prior art keywords
field generator
generator device
polarization field
polarization
generator
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.)
Granted
Application number
FR7601407A
Other languages
English (en)
Other versions
FR2301905B1 (fr
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 Italia SpA
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
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 Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of FR2301905A1 publication Critical patent/FR2301905A1/fr
Application granted granted Critical
Publication of FR2301905B1 publication Critical patent/FR2301905B1/fr
Granted 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)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Magnetic Heads (AREA)
FR7601407A 1975-02-18 1976-01-20 Dispositif generateur de champ de polarisation Granted FR2301905A1 (fr)

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 (2)

Publication Number Publication Date
FR2301905A1 true FR2301905A1 (fr) 1976-09-17
FR2301905B1 FR2301905B1 (fr) 1979-01-19

Family

ID=24198553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601407A Granted FR2301905A1 (fr) 1975-02-18 1976-01-20 Dispositif generateur de champ de polarisation

Country Status (6)

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

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
ES2800201T3 (es) * 2017-11-27 2020-12-28 Premo Sa Dispositivo inductor con configuración ligera

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836896A (en) * 1972-06-29 1974-09-17 Ibm Non-volatile magnetic domain device having binary valued bias field excitation
US3860895A (en) * 1974-05-28 1975-01-14 Honeywell Inf Systems Magnetic shunt assembly for bias field apparatus

Family Cites Families (10)

* 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
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 (fr) * 1974-05-16 1978-07-25 Andrew H. Bobeck Memoire a bulles magnetiques, acces par zone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836896A (en) * 1972-06-29 1974-09-17 Ibm Non-volatile magnetic domain device having binary valued bias field excitation
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
CA1063724A (fr) 1979-10-02
FR2301905B1 (fr) 1979-01-19
JPS51108538A (fr) 1976-09-25
DE2605666A1 (de) 1976-08-26
GB1535270A (en) 1978-12-13
US4068219A (en) 1978-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse