FR2322430A1 - Dispositif a domaines magnetiques - Google Patents

Dispositif a domaines magnetiques

Info

Publication number: FR2322430A1
Authority: FR; France
Prior art keywords: magnetic area; area device; magnetic; area
Prior art date: 1975-08-25
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

FR7625130A

Other languages

English (en)

Other versions

FR2322430B1 (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.)

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.)

1975-08-25

Filing date

1976-08-18

Publication date

1977-03-25

1976-08-18 Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc

1977-03-25 Publication of FR2322430A1 publication Critical patent/FR2322430A1/fr

1981-08-07 Application granted granted Critical

1981-08-07 Publication of FR2322430B1 publication Critical patent/FR2322430B1/fr

Status 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)
Thin Magnetic Films (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Compounds Of Iron (AREA)

FR7625130A 1975-08-25 1976-08-18 Dispositif a domaines magnetiques Granted FR2322430A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/607,379 US4002803A (en)	1975-08-25	1975-08-25	Magnetic bubble devices with controlled temperature characteristics

Publications (2)

Publication Number	Publication Date
FR2322430A1 true FR2322430A1 (fr)	1977-03-25
FR2322430B1 FR2322430B1 (fr)	1981-08-07

Family

ID=24432016

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7625130A Granted FR2322430A1 (fr)	1975-08-25	1976-08-18	Dispositif a domaines magnetiques

Country Status (10)

Country	Link
US (1)	US4002803A (fr)
JP (1)	JPS5226126A (fr)
BE (1)	BE845370A (fr)
CA (1)	CA1068819A (fr)
DE (1)	DE2637380C2 (fr)
ES (1)	ES450961A1 (fr)
FR (1)	FR2322430A1 (fr)
GB (1)	GB1553397A (fr)
NL (1)	NL7609356A (fr)
SE (1)	SE412968B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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.
US4165410A (en) *	1977-06-03	1979-08-21	Bell Telephone Laboratories, Incorporated	Magnetic bubble devices with controlled temperature characteristics
FR2466836B1 (fr) *	1979-10-03	1985-08-30	Commissariat Energie Atomique	Procede pour regler la dimension des bulles d'elements a bulles magnetiques
JPS57128911A (en) *	1981-02-04	1982-08-10	Fujitsu Ltd	Magnetic film for magnetic bubble memory
US4419417A (en) *	1981-11-09	1983-12-06	Bell Telephone Laboratories, Incorporated	Magnetic domain device having a wide operational temperature range
US4647514A (en) *	1981-11-09	1987-03-03	At&T Bell Laboratories	Magnetic domain device having a wide operational temperature range
US4468438A (en) *	1981-12-07	1984-08-28	At&T Bell Laboratories	Garnet epitaxial films with high Curie temperatures
IT1148133B (it) *	1982-03-11	1986-11-26	Selenia Ind Elettroniche	Granati ferrimagnetici sintetici al calcio-vanadio con migliorate caratteristiche d'isteresi in temperatura
US4520460A (en) *	1983-08-15	1985-05-28	Allied Corporation	Temperature stable magnetic bubble compositions
US9263175B2 (en)	2011-06-06	2016-02-16	Skyworks Solutions, Inc.	Rare earth reduced garnet systems and related microwave applications

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3460116A (en) *	1966-09-16	1969-08-05	Bell Telephone Labor Inc	Magnetic domain propagation circuit
US3534346A (en) *	1968-05-28	1970-10-13	Bell Telephone Labor Inc	Magnetic domain propagation arrangement
US3541534A (en) *	1968-10-28	1970-11-17	Bell Telephone Labor Inc	Magnetic domain propagation arrangement
US3643238A (en) *	1969-11-17	1972-02-15	Bell Telephone Labor Inc	Magnetic devices
US3646529A (en) *	1970-04-20	1972-02-29	Bell Telephone Labor Inc	Magnetic devices utilizing garnet compositions
US3665427A (en) *	1970-04-20	1972-05-23	Bell Telephone Labor Inc	Magnetic devices utilizing garnet compositions
US3633185A (en) *	1970-05-22	1972-01-04	Bell Telephone Labor Inc	Single-wall domain generator
US3673582A (en) *	1971-05-17	1972-06-27	Rca Corp	Bubble domain sonic propagation device
US3792452A (en) *	1971-06-10	1974-02-12	Bell Telephone Labor Inc	Magnetic devices utilizing ion-implanted magnetic materials
US3711841A (en) *	1971-12-22	1973-01-16	Bell Telephone Labor Inc	Single wall domain arrangement
JPS5225000B2 (fr) *	1972-08-11	1977-07-05
US3845477A (en) *	1972-11-24	1974-10-29	Bell Telephone Labor Inc	Method for controlling magnetization in garnet material and devices so produced
US3886533A (en) *	1973-07-20	1975-05-27	Bell Telephone Labor Inc	Magnetic devices utilizing garnet epitaxial material
US3949386A (en) *	1973-11-12	1976-04-06	International Business Machines Corporation	Bubble domain devices using garnet materials with single rare earth ion on all dodecahedral sites
JPS5151793A (en) *	1974-10-31	1976-05-07	Fujitsu Ltd	Baburudomeinyo gaanetsutojiseihakumaku

1975
- 1975-08-25 US US05/607,379 patent/US4002803A/en not_active Expired - Lifetime
1976
- 1976-07-15 CA CA257,087A patent/CA1068819A/fr not_active Expired
- 1976-08-13 SE SE7609090A patent/SE412968B/xx unknown
- 1976-08-18 FR FR7625130A patent/FR2322430A1/fr active Granted
- 1976-08-19 DE DE2637380A patent/DE2637380C2/de not_active Expired
- 1976-08-20 BE BE169951A patent/BE845370A/fr unknown
- 1976-08-23 NL NL7609356A patent/NL7609356A/xx not_active Application Discontinuation
- 1976-08-24 JP JP51100282A patent/JPS5226126A/ja active Pending
- 1976-08-25 ES ES450961A patent/ES450961A1/es not_active Expired
- 1976-08-25 GB GB35322/76A patent/GB1553397A/en not_active Expired

Also Published As

Publication number	Publication date
DE2637380A1 (de)	1977-03-03
GB1553397A (en)	1979-09-26
CA1068819A (fr)	1979-12-25
SE412968B (sv)	1980-03-24
BE845370A (fr)	1976-12-16
JPS5226126A (en)	1977-02-26
US4002803A (en)	1977-01-11
SE7609090L (sv)	1977-02-26
FR2322430B1 (fr)	1981-08-07
DE2637380C2 (de)	1982-06-03
ES450961A1 (es)	1977-08-16
NL7609356A (nl)	1977-03-01

Legal Events

Date	Code	Title	Description
1983-06-24	ST	Notification of lapse

Publication	Publication Date	Title
FR2301416A1 (fr)	1976-09-17	Dispositif d
FR2309948A1 (fr)	1976-11-26	Dispositif de positionnement de transducteur
FR2331451A1 (fr)	1977-06-10	Dispositif graphique
FR2301851A1 (fr)	1976-09-17	Dispositif de traitem
FR2321756A1 (fr)	1977-03-18	Dispositif solenoide
FR2308158A1 (fr)	1976-11-12	Dispositif d'exploration magnetique
SE7611533L (sv)	1977-04-22	Fodotemperaturkenslig styranordning
FR2299968A1 (fr)	1976-09-03	Dispositif d'
FR2328979A1 (fr)	1977-05-20	Dispositif a lentille electrochroique
FR2334870A1 (fr)	1977-07-08	Dispositif de raccordement
BE829146A (fr)	1975-09-01	Dispositif a bobines
FR2300419A1 (fr)	1976-09-03	Dispositif semi-cond
IT1054279B (it)	1981-11-10	Dispositivo a racla
FR2302555A1 (fr)	1976-09-24	Dispositif de
FR2298966A1 (fr)	1976-08-27	Dispositif d'eplucha
FR2301417A1 (fr)	1976-09-17	Dispositif an
BE845370A (fr)	1976-12-16	Dispositif a domaines magnetiques
IT1061146B (it)	1982-10-20	Dispositivo a tapparella
FR2302532A1 (fr)	1976-09-24	Dispositif d'ecartometrie
FR2329412A1 (fr)	1977-05-27	Dispositif de retenue
FR2300253A1 (fr)	1976-09-03	Dispositif
FR2307090A1 (fr)	1976-11-05	Dispositif de construction
FR2325147A1 (fr)	1977-04-15	Dispositif a domaines magnetiques
FR2307325A1 (fr)	1976-11-05	Dispositif a deroulement
FR2298633A2 (fr)	1976-08-20	Dispositif de d