BE761584A - Procede de preparation de dioxyde de chrome ferromagnetique - Google Patents
Procede de preparation de dioxyde de chrome ferromagnetiqueInfo
- Publication number
- BE761584A BE761584A BE761584A BE761584A BE761584A BE 761584 A BE761584 A BE 761584A BE 761584 A BE761584 A BE 761584A BE 761584 A BE761584 A BE 761584A BE 761584 A BE761584 A BE 761584A
- Authority
- BE
- Belgium
- Prior art keywords
- preparing ferromagnetic
- chrome dioxide
- dioxide
- ferromagnetic chrome
- preparing
- Prior art date
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title 1
- 230000005294 ferromagnetic effect Effects 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702001383 DE2001383A1 (de) | 1970-01-14 | 1970-01-14 | Verfahren zur Herstellung von ferromagnetischem Chromdioxid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE761584A true BE761584A (fr) | 1971-07-14 |
Family
ID=5759550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE761584A BE761584A (fr) | 1970-01-14 | 1971-01-14 | Procede de preparation de dioxyde de chrome ferromagnetique |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3725281A (fr) |
| BE (1) | BE761584A (fr) |
| DE (1) | DE2001383A1 (fr) |
| FR (1) | FR2076109B1 (fr) |
| GB (1) | GB1341782A (fr) |
| NL (1) | NL7100527A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523770B2 (fr) * | 1972-05-17 | 1980-06-25 | ||
| FR2433483A2 (fr) * | 1978-08-18 | 1980-03-14 | Anvar | Materiau ferromagnetique a base de dioxyde de chrome et de dioxyde de rhodium et son obtention |
| DE2861999D1 (en) * | 1977-10-04 | 1982-10-07 | Anvar | Novel ferromagnetic material based on chromium dioxide and rhodium dioxide, and its preparation |
-
1970
- 1970-01-14 DE DE19702001383 patent/DE2001383A1/de active Pending
- 1970-12-28 US US00102256A patent/US3725281A/en not_active Expired - Lifetime
-
1971
- 1971-01-05 GB GB42771A patent/GB1341782A/en not_active Expired
- 1971-01-14 BE BE761584A patent/BE761584A/fr unknown
- 1971-01-14 FR FR7101160A patent/FR2076109B1/fr not_active Expired
- 1971-01-14 NL NL7100527A patent/NL7100527A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7100527A (fr) | 1971-07-16 |
| FR2076109B1 (fr) | 1974-10-11 |
| DE2001383A1 (de) | 1971-07-22 |
| US3725281A (en) | 1973-04-03 |
| FR2076109A1 (fr) | 1971-10-15 |
| GB1341782A (en) | 1973-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE763529A (fr) | Procede de preparation d'allophanate-polyisocyanates | |
| BE768119A (fr) | Procede de preparation de cycloalcanols et de cycloalcanones | |
| NL7310054A (nl) | Werkwijze ter bereiding van ferromagnetisch chroomdioxyde. | |
| BE780219A (fr) | Procede de preparation de dioxyde de chrome ferromagnetique | |
| BE767689A (fr) | Procede de preparation de 7-halogenolincomycines | |
| BE749818A (fr) | Procede de preparation de dioxyde de chrome ferromagnetique | |
| BE777068A (fr) | Procede de preparation d'alcoylphenols | |
| BE767990A (fr) | Procede de preparation de monochlorobenzaldehydes | |
| BE763141A (fr) | Procede de preparation de dichloropropanols | |
| BE761304A (fr) | Procede de preparation d'aminophenyl-trial-coxy-silanes | |
| BE777067A (fr) | Procede de preparation d'alcoylphenols | |
| BE761584A (fr) | Procede de preparation de dioxyde de chrome ferromagnetique | |
| BE761797A (fr) | Procede de preparation de vinyl-trichlorosilane | |
| BE774905A (fr) | Procede de preparation de metacroleine | |
| BE763011A (fr) | Procede de preparation de poly-organo-siloxanes | |
| BE774498A (fr) | Procede de preparation de monofluoro-dichloromethane et de difluoro-monochloromethane | |
| BE768410A (fr) | Procede de preparation de 1-ethyl-3-phenyl-indanes | |
| BE775519A (fr) | Procede de preparation de saligenol | |
| BE758474A (fr) | Procede de preparation de 4-alkoxy-3-aminobenzoates de 2-dialkylaminoethyle | |
| BE777447A (fr) | Procede de preparation de monothioalkylene-glycols | |
| RO62279A (fr) | Procede de preparation des revelateurs de contraste pour roentgenographies | |
| FR2100595A1 (fr) | Procede de preparation de dioxyde de chrome ferromagnetique | |
| BE769220A (fr) | Procede de preparation de 3-difluorochloromethylaniline | |
| BE761985A (fr) | Procede de preparation de n-alcoyl-dimethylamines | |
| BE769723A (fr) | Procede de preparation du pentafluoromonoiodoethane |