GB1331438A - Magnetic circuit having low reluctance - Google Patents

Magnetic circuit having low reluctance

Info

Publication number
GB1331438A
GB1331438A GB4987570A GB4987570A GB1331438A GB 1331438 A GB1331438 A GB 1331438A GB 4987570 A GB4987570 A GB 4987570A GB 4987570 A GB4987570 A GB 4987570A GB 1331438 A GB1331438 A GB 1331438A
Authority
GB
United Kingdom
Prior art keywords
magnetic circuit
low reluctance
oct
division
magnetic alloy
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
GB4987570A
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.)
INTERNATIONAE POUR LINFORMATIQ
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
INTERNATIONAE POUR LINFORMATIQ
Commissariat a lEnergie Atomique CEA
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 INTERNATIONAE POUR LINFORMATIQ, Commissariat a lEnergie Atomique CEA filed Critical INTERNATIONAE POUR LINFORMATIQ
Publication of GB1331438A publication Critical patent/GB1331438A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3113—Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains
    • 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
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • 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
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H01F10/3254—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Soft Magnetic Materials (AREA)
  • Thin Magnetic Films (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

1331438 Magnetic alloy films COMMISSARIAT A L'ENERGIE ATOMIQUE and COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE 21 Oct 1970 [28 Oct 1969] 49875/70 Heading C7A [Also in Division G5] A magnetic alloy for use in a low reluctance magnetic circuit (see Division G5) is formed by the addition of 2.5% chromium to a mixture of 83% and 17% nickel.
GB4987570A 1969-10-28 1970-10-21 Magnetic circuit having low reluctance Expired GB1331438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6936864A FR2063694A5 (en) 1969-10-28 1969-10-28

Publications (1)

Publication Number Publication Date
GB1331438A true GB1331438A (en) 1973-09-26

Family

ID=9042148

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4987570A Expired GB1331438A (en) 1969-10-28 1970-10-21 Magnetic circuit having low reluctance

Country Status (6)

Country Link
JP (1) JPS5115238B1 (en)
BE (1) BE758054A (en)
CH (1) CH521007A (en)
DE (1) DE2052710C2 (en)
FR (1) FR2063694A5 (en)
GB (1) GB1331438A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7432815B2 (en) 2006-10-05 2008-10-07 Vacuumschmelze Gmbh & Co. Kg Marker for a magnetic theft protection system and method for its production
US7651573B2 (en) 1997-11-12 2010-01-26 Vacuumschmelze Gmbh & Co. Kg Method of annealing amorphous ribbons and marker for electronic article surveillance
US8013743B2 (en) 2006-10-02 2011-09-06 Vacuumschmelze Gmbh & Co. Kg Marker for a magnetic theft protection system and method for its production

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165206A5 (en) * 1971-12-22 1973-08-03 Cii
US4023965A (en) 1976-06-03 1977-05-17 International Business Machines Corporation Ni-Fe-Rh alloys
FR2489570A1 (en) * 1980-08-27 1982-03-05 Cii Honeywell Bull INTEGRATED MAGNETIC TRANSDUCER
DE102006047021B4 (en) * 2006-10-02 2009-04-02 Vacuumschmelze Gmbh & Co. Kg Display element for a magnetic anti-theft system and method for its production

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB925703A (en) * 1958-09-03 1963-05-08 Post Office Improvements in or relating to magnetic alloys
US3343145A (en) * 1962-12-24 1967-09-19 Ibm Diffused thin film memory device
DE1252739B (en) * 1964-03-17 1967-10-26 Siemens Aktiengesellschaft, Berlin und München, München Storage element with stacked magnetic layers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7651573B2 (en) 1997-11-12 2010-01-26 Vacuumschmelze Gmbh & Co. Kg Method of annealing amorphous ribbons and marker for electronic article surveillance
US8013743B2 (en) 2006-10-02 2011-09-06 Vacuumschmelze Gmbh & Co. Kg Marker for a magnetic theft protection system and method for its production
US7432815B2 (en) 2006-10-05 2008-10-07 Vacuumschmelze Gmbh & Co. Kg Marker for a magnetic theft protection system and method for its production

Also Published As

Publication number Publication date
BE758054A (en) 1971-04-01
FR2063694A5 (en) 1971-07-09
JPS5115238B1 (en) 1976-05-15
CH521007A (en) 1972-03-31
DE2052710A1 (en) 1971-05-06
DE2052710C2 (en) 1986-08-28

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee