FR2502384B1 - NOVEL FERROMAGNETIC MATERIAL BASED ON CHROMIUM AND IRIDIUM, ITS OBTAINMENT AND ITS APPLICATION AS A RECORDING MATERIAL - Google Patents

NOVEL FERROMAGNETIC MATERIAL BASED ON CHROMIUM AND IRIDIUM, ITS OBTAINMENT AND ITS APPLICATION AS A RECORDING MATERIAL

Info

Publication number
FR2502384B1
FR2502384B1 FR8105343A FR8105343A FR2502384B1 FR 2502384 B1 FR2502384 B1 FR 2502384B1 FR 8105343 A FR8105343 A FR 8105343A FR 8105343 A FR8105343 A FR 8105343A FR 2502384 B1 FR2502384 B1 FR 2502384B1
Authority
FR
France
Prior art keywords
obtainment
iridium
chromium
application
recording material
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
FR8105343A
Other languages
French (fr)
Other versions
FR2502384A1 (en
Inventor
Gerard Demazeau
Patrick Maestro
Michel Pouchard
Theophile Plante
Paul Hagenmuller
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR8105343A priority Critical patent/FR2502384B1/en
Priority to DE19823209739 priority patent/DE3209739A1/en
Publication of FR2502384A1 publication Critical patent/FR2502384A1/en
Application granted granted Critical
Publication of FR2502384B1 publication Critical patent/FR2502384B1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
    • G11B5/70636—CrO2
FR8105343A 1981-03-17 1981-03-17 NOVEL FERROMAGNETIC MATERIAL BASED ON CHROMIUM AND IRIDIUM, ITS OBTAINMENT AND ITS APPLICATION AS A RECORDING MATERIAL Expired FR2502384B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8105343A FR2502384B1 (en) 1981-03-17 1981-03-17 NOVEL FERROMAGNETIC MATERIAL BASED ON CHROMIUM AND IRIDIUM, ITS OBTAINMENT AND ITS APPLICATION AS A RECORDING MATERIAL
DE19823209739 DE3209739A1 (en) 1981-03-17 1982-03-17 Process for producing a ferromagnetic compound and magnetic recording elements containing the latter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8105343A FR2502384B1 (en) 1981-03-17 1981-03-17 NOVEL FERROMAGNETIC MATERIAL BASED ON CHROMIUM AND IRIDIUM, ITS OBTAINMENT AND ITS APPLICATION AS A RECORDING MATERIAL

Publications (2)

Publication Number Publication Date
FR2502384A1 FR2502384A1 (en) 1982-09-24
FR2502384B1 true FR2502384B1 (en) 1985-12-06

Family

ID=9256337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8105343A Expired FR2502384B1 (en) 1981-03-17 1981-03-17 NOVEL FERROMAGNETIC MATERIAL BASED ON CHROMIUM AND IRIDIUM, ITS OBTAINMENT AND ITS APPLICATION AS A RECORDING MATERIAL

Country Status (2)

Country Link
DE (1) DE3209739A1 (en)
FR (1) FR2502384B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4339841A1 (en) * 1993-11-23 1995-05-24 Basf Magnetics Gmbh Finely divided needle-like magnetic chromium di:oxide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2124812A1 (en) * 1971-05-19 1972-11-30 Bayer Ag Process for the production of ferromagnetic chromium dioxide
GB1500757A (en) * 1974-04-19 1978-02-08 Murata Manufacturing Co Ferromagnetic chromium dioxides
FR2403976A2 (en) * 1977-09-23 1979-04-20 Anvar Acicular chromium di:oxide for magnetic recording - made by oxidn. of chromic oxide, and possessing high coercive force
DE2861999D1 (en) * 1977-10-04 1982-10-07 Anvar Novel ferromagnetic material based on chromium dioxide and rhodium dioxide, and its preparation

Also Published As

Publication number Publication date
DE3209739A1 (en) 1982-10-21
FR2502384A1 (en) 1982-09-24

Similar Documents

Publication Publication Date Title
OA06908A (en) Microbial production of human fibroplastic interferon.
MA19364A1 (en) NEW PREPARATION PRODUCT BASED ON AMINO-2 TRIFLUOROMETOXY -6 BENZOTHIAZOLE.
BE888895A (en) NOVEL IMIDAZO-RIFAMYCIN DERIVATIVES WITH ANTIBACTERIAL ACTIVITY
DE68913775D1 (en) USE OF A MAGNETIC MATERIAL, AMZ.
GB2120050B (en) A marker for subterrenean marking and a novel application for such a marker
FR2484457B1 (en) METAL MATERIAL OPPOSING THE FIXATION OF MARINE ORGANISMS
FI903789A0 (en) VALS FOER TRYCK- OCH VAERMEBEHANDLING AV MATERIAL I BANFORM.
DE69018197D1 (en) Electrophotographic recording material.
FR2516450B1 (en) THERMOSENSITIVE RECORDING MATERIALS
FR2502384B1 (en) NOVEL FERROMAGNETIC MATERIAL BASED ON CHROMIUM AND IRIDIUM, ITS OBTAINMENT AND ITS APPLICATION AS A RECORDING MATERIAL
DE59009965D1 (en) Electrophotographic recording material
KR870700085A (en) Marking material
NL7801262A (en) NEW 4 "-DESOXY-4" AMINO-ERYTHROMYCIN A DERIBARES AND THEIR PREPARATION.
DE69016816D1 (en) Electrophotographic recording material.
AU520526B2 (en) 2-(2'2'-dihalovinyi)-cyclobutanones and 2-(2'2'2'-trihaloethyl-cyclobutanones
IT8167256A0 (en) BINDER BASED ON PLASTERS OBTAINED AS BY-PRODUCTS AND SYNTHETIC DIOXIDE
FR2570145B1 (en) BEARING MECHANISM WITH SLIDING RINGS SEALING
DE69028677D1 (en) Recording material
GB2058774B (en) 6''-deoxydibekacin-4''6''-dideoxydibe kacin and 1-n-aminoacyl derivatives thereof and their production
FR2482434B1 (en) PIVOTING EXTENSION TABLE AND ITS ARTICULATION AND LOCKING MECHANISM
BE881554A (en) N'-ALCOXY-N'-ALKYL-N-PHENYLUREA-BASED SOLUTIONS
FR2661537B1 (en) IDENTIFICATION AND CONTROL SEAL.
FR2644218B1 (en) LIP SEALING RING
GB9019929D0 (en) Material marking
JPS54119002A (en) Synthetic leather base material * production and synthetic leather

Legal Events

Date Code Title Description
ST Notification of lapse