JPS5461099A - Novel highhmagnetic chromium dioxide and rhodium dioxide material*its manufacture and magnetic recording element made therefrom - Google Patents

Novel highhmagnetic chromium dioxide and rhodium dioxide material*its manufacture and magnetic recording element made therefrom

Info

Publication number: JPS5461099A
Authority: JP; Japan
Prior art keywords: dioxide; highhmagnetic; novel; manufacture; magnetic recording
Prior art date: 1977-10-04
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

JP12190278A

Other languages

English (en)

Japanese (ja)

Other versions

JPS6316342B2 (fr

Inventor

Demazoo Jieraaru

Maesutoro Patoritsuku

Puranto Teofuiru

Pushiyaaru Mitsushieru

Ajienmiyure Pooru

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.)

Bpifrance Financement SA

Original Assignee

Agence National de Valorisation de la Recherche ANVAR

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.)

1977-10-04

Filing date

1978-10-03

Publication date

1979-05-17

1978-10-03 Application filed by Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR

1979-05-17 Publication of JPS5461099A publication Critical patent/JPS5461099A/ja

1988-04-08 Publication of JPS6316342B2 publication Critical patent/JPS6316342B2/ja

Status Granted legal-status Critical Current

Links

229940090961 chromium dioxide Drugs 0.000 title 1
IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 title 1
AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 title 1
KZYDBKYFEURFNC-UHFFFAOYSA-N dioxorhodium Chemical compound O=[Rh]=O KZYDBKYFEURFNC-UHFFFAOYSA-N 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
239000000463 material Substances 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
- C01G55/002—Compounds containing ruthenium, rhodium, palladium, osmium, iridium or platinum, with or without oxygen or hydrogen, and containing two or more other elements
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
- 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
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/77—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/32—Thermal properties
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Hard Magnetic Materials (AREA)
Compounds Of Iron (AREA)
Inorganic Compounds Of Heavy Metals (AREA)
Chemically Coating (AREA)

JP12190278A 1977-10-04 1978-10-03 Novel highhmagnetic chromium dioxide and rhodium dioxide material*its manufacture and magnetic recording element made therefrom Granted JPS5461099A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7729857A FR2405220A1 (fr)	1977-10-04	1977-10-04	Nouveau materiau ferromagnetique a base de dioxyde de chrome et de dioxyde de rhodium et son obtention

Publications (2)

Publication Number	Publication Date
JPS5461099A true JPS5461099A (en)	1979-05-17
JPS6316342B2 JPS6316342B2 (fr)	1988-04-08

Family

ID=9196089

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP12190278A Granted JPS5461099A (en)	1977-10-04	1978-10-03	Novel highhmagnetic chromium dioxide and rhodium dioxide material*its manufacture and magnetic recording element made therefrom

Country Status (3)

Country	Link
JP (1)	JPS5461099A (fr)
BE (1)	BE870744A (fr)
FR (1)	FR2405220A1 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2124812A1 (de) *	1971-05-19	1972-11-30	Bayer Ag	Verfahren zur Herstellung von ferromagnetischem Chromdioxid

1977
- 1977-10-04 FR FR7729857A patent/FR2405220A1/fr active Granted
1978
- 1978-09-25 BE BE190692A patent/BE870744A/fr not_active IP Right Cessation
- 1978-10-03 JP JP12190278A patent/JPS5461099A/ja active Granted

Also Published As

Publication number	Publication date
FR2405220A1 (fr)	1979-05-04
BE870744A (fr)	1979-03-26
JPS6316342B2 (fr)	1988-04-08
FR2405220B1 (fr)	1981-06-19

Publication	Publication Date	Title
JPS5434909A (en)	1979-03-14	Colored recording material
GB1545368A (en)	1979-05-10	Magnetic recording element
JPS554793A (en)	1980-01-14	Information recording element and producing same
JPS53118104A (en)	1978-10-16	Magnetic combination type recording material
FR2340210A1 (fr)	1977-09-02	Materiau d'enregistrement
JPS55144193A (en)	1980-11-10	Pressureesensitive and thermoosensitive recording material
JPS5347806A (en)	1978-04-28	Magnetic recording material
JPS557687A (en)	1980-01-19	Record pointer and production thereof
JPS5489817A (en)	1979-07-17	Recording material
JPS53112703A (en)	1978-10-02	Recording material and making method thereof
GB1556929A (en)	1979-12-05	Preparation of ferromagnetic chromium dioxide
JPS5454048A (en)	1979-04-27	Magnetic recording element and production thereof
JPS5297710A (en)	1977-08-16	Magnetic recording material
JPS5297709A (en)	1977-08-16	Magnetic recording material
JPS5461099A (en)	1979-05-17	Novel highhmagnetic chromium dioxide and rhodium dioxide material*its manufacture and magnetic recording element made therefrom
JPS53118020A (en)	1978-10-16	Recording material
GB2003529B (en)	1982-04-21	Recording material
JPS55113631A (en)	1980-09-02	Manufacture of improved feooh pigment and magnetic recording element using said pigment
JPS5294104A (en)	1977-08-08	Magnetic recording material
DE2861999D1 (en)	1982-10-07	Novel ferromagnetic material based on chromium dioxide and rhodium dioxide, and its preparation
JPS52113205A (en)	1977-09-22	Magnetic recording material
JPS5357002A (en)	1978-05-24	Magnetic recording material
JPS5379503A (en)	1978-07-14	Magnetic recording material
JPS5338307A (en)	1978-04-08	Magnetic recording material
JPS5338303A (en)	1978-04-08	Magnetic recording material