ES8201347A1 - Perfeccionamientos en dispositivos de burbujas magneticas - Google Patents

Perfeccionamientos en dispositivos de burbujas magneticas

Info

Publication number
ES8201347A1
ES8201347A1 ES498096A ES498096A ES8201347A1 ES 8201347 A1 ES8201347 A1 ES 8201347A1 ES 498096 A ES498096 A ES 498096A ES 498096 A ES498096 A ES 498096A ES 8201347 A1 ES8201347 A1 ES 8201347A1
Authority
ES
Spain
Prior art keywords
garnet
advantageous
based devices
order
epitaxial
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
ES498096A
Other languages
English (en)
Other versions
ES498096A0 (es
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES8201347A1 publication Critical patent/ES8201347A1/es
Publication of ES498096A0 publication Critical patent/ES498096A0/es
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites
    • H01F10/24—Garnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Thin Magnetic Films (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)

Abstract

CAPA DE GRANATE, CON ANISOTROPIA MAGNETICA UNIAXIAL, PARA SUSTRATOS EMPLEADOS EN DISPOSITIVOS DE BURBUJAS MAGNETICAS. LA CAPA DE GRANATE POSEE UNA COMPOSICION REPRESENTADA POR LA FORMULA (A)3(B)2(C)3/12, DONDE A, B Y C OCUPAN, RESPECTIVAMENTE, LOS LUGARES DODECAHEDRICO, OCTAHEDRICO Y TETRAHEDRICO DE LA ESTRUCTURA CRISTALINA DEL GRANATE; B Y C CONTIENEN IONES DE HIERRO SUFICIENTES PARA PRODUCIR UN MOMENTO MAGNETICO EN EL GRANATE; B CONTIRNE, ADMAS, UNO O VARIOS IONES CO2+ Y UN ION QUE TIENE 1, 2, 4 O 5 ELECTRONES EN UN ORBITAL 5D O 4 D Y A, QUE ESTA DESPROVISTO DE IONES QUE PRODUCEN ANISTROPIA MAGNETICA NORMAL, TIENE UNA COMPOSICION REPRESENTADA POR X3-YZY, SIENDO X EL ION MAGNETICO DE TIERRA RARA DE FRACCION MOLAR MAXIMA EN A; Z LA COMPOSICION RESTANTE DE A, E Y UN NUMERO DE 0,1 A 2,9. LA CAPA DE GRANATE CONTIENE, ADEMAS, UNA ESPECIE DE MAGNESIO, CARGADA, COMO COMPENSADOR.
ES498096A 1979-12-26 1980-12-23 Perfeccionamientos en dispositivos de burbujas magneticas Granted ES498096A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/106,399 US4337521A (en) 1979-12-26 1979-12-26 Advantageous garnet based devices

Publications (2)

Publication Number Publication Date
ES8201347A1 true ES8201347A1 (es) 1981-12-16
ES498096A0 ES498096A0 (es) 1981-12-16

Family

ID=22311203

Family Applications (1)

Application Number Title Priority Date Filing Date
ES498096A Granted ES498096A0 (es) 1979-12-26 1980-12-23 Perfeccionamientos en dispositivos de burbujas magneticas

Country Status (10)

Country Link
US (1) US4337521A (es)
JP (1) JPS5698776A (es)
BE (1) BE886804A (es)
DE (1) DE3048701A1 (es)
ES (1) ES498096A0 (es)
FR (1) FR2472814A1 (es)
GB (1) GB2066236B (es)
IT (1) IT1134893B (es)
NL (1) NL8006990A (es)
SE (1) SE8008847L (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3116257A1 (de) * 1980-05-30 1982-01-07 GAO Gesellschaft für Automation und Organisation mbH, 8000 München "wertpapier mit echtheitsmerkmalen"
US4468438A (en) * 1981-12-07 1984-08-28 At&T Bell Laboratories Garnet epitaxial films with high Curie temperatures
JPH06318517A (ja) * 1993-05-07 1994-11-15 Murata Mfg Co Ltd 静磁波素子用材料
JPH08306531A (ja) * 1995-05-10 1996-11-22 Murata Mfg Co Ltd 静磁波デバイス

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486937A (en) * 1967-03-24 1969-12-30 Perkin Elmer Corp Method of growing a single crystal film of a ferrimagnetic material
FR2094608A5 (en) * 1970-06-26 1972-02-04 Thomson Csf Polycrystalline garnet ferrite - having negligible magnetic losses over uhf ranges
DE2042950A1 (de) * 1970-08-29 1972-03-02 Philips Patentverwaltung Verfahren zur Erzielung beliebiger Anisotropiekonstanten bei einknstallinen Ferriten mit Granatstruktur
US3755796A (en) * 1971-06-30 1973-08-28 Ibm Cobalt-platinum group alloys whose anisotrophy is greater than their demagnetizable field for use as cylindrical memory elements
US3932688A (en) * 1973-10-12 1976-01-13 Hitachi, Ltd. Composite magnetic film
US3995093A (en) * 1975-03-03 1976-11-30 Rockwell International Corporation Garnet bubble domain material utilizing lanthanum and lutecium as substitution elements to yields high wall mobility and high uniaxial anisotropy
US4034358A (en) * 1975-08-25 1977-07-05 Bell Telephone Laboratories, Incorporated Magnetic bubble devices with controlled temperature characteristics
US4139905A (en) * 1976-06-14 1979-02-13 Bell Telephone Laboratories, Incorporated Magnetic devices utilizing garnet epitaxial materials
JPS6011450B2 (ja) * 1976-10-08 1985-03-26 株式会社日立製作所 泡磁区素子用ガ−ネツト単結晶膜
NL7700419A (nl) * 1977-01-17 1978-07-19 Philips Nv Magnetisch beldomein materiaal.
FR2399710A1 (fr) * 1977-08-04 1979-03-02 Commissariat Energie Atomique Procede de modification de la direction de facile aimantation d'une couche magnetique mince amorphe
US4202932A (en) * 1978-07-21 1980-05-13 Xerox Corporation Magnetic recording medium

Also Published As

Publication number Publication date
US4337521A (en) 1982-06-29
IT1134893B (it) 1986-08-20
ES498096A0 (es) 1981-12-16
JPS5698776A (en) 1981-08-08
FR2472814A1 (fr) 1981-07-03
DE3048701A1 (de) 1981-09-10
IT8026931A0 (it) 1980-12-23
NL8006990A (nl) 1981-07-16
BE886804A (fr) 1981-04-16
GB2066236B (en) 1983-04-20
GB2066236A (en) 1981-07-08
SE8008847L (sv) 1981-06-27

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