NL6617476A - - Google Patents
Info
- Publication number
- NL6617476A NL6617476A NL6617476A NL6617476A NL6617476A NL 6617476 A NL6617476 A NL 6617476A NL 6617476 A NL6617476 A NL 6617476A NL 6617476 A NL6617476 A NL 6617476A NL 6617476 A NL6617476 A NL 6617476A
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51382565A | 1965-12-14 | 1965-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6617476A true NL6617476A (en:Method) | 1967-06-15 |
Family
ID=24044799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6617476A NL6617476A (en:Method) | 1965-12-14 | 1966-12-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3449073A (en:Method) |
| BE (1) | BE691147A (en:Method) |
| DE (1) | DE1592492B1 (en:Method) |
| FR (1) | FR1505024A (en:Method) |
| GB (1) | GB1127968A (en:Method) |
| NL (1) | NL6617476A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027640A1 (de) * | 1979-10-22 | 1981-04-29 | BASF Aktiengesellschaft | Verfahren zur Herstellung von ferromagnetischem Chromdioxid sowie seine Verwendung zur Herstellung von magnetischen Aufzeichnungsträgern |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3512930A (en) * | 1969-05-07 | 1970-05-19 | Du Pont | Stabilized ferromagnetic chromium dioxide |
| JPS4843436B1 (en:Method) * | 1970-10-20 | 1973-12-18 | ||
| JPS4843437B1 (en:Method) * | 1970-12-16 | 1973-12-18 | ||
| IT1012202B (it) * | 1974-05-09 | 1977-03-10 | Montedison Spa | Procedimento per la produzione di biossido di cromo ferromagnetico |
| DE3513723A1 (de) * | 1985-04-17 | 1986-10-23 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von ferromagnetischem chromdioxid |
| US7276226B2 (en) * | 2002-08-29 | 2007-10-02 | Tata Institute Of Fundamental Research | Chromium dioxide (CrO2) and composites of chromium dioxide and other oxides of chromium such as CrO2/Cr2O3 and CrO2/Cr2O5) and process for manufacturing the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3278263A (en) * | 1964-11-27 | 1966-10-11 | Du Pont | Ferromagnetic chromium dioxide and preparation thereof |
-
1965
- 1965-12-14 US US513825A patent/US3449073A/en not_active Expired - Lifetime
-
1966
- 1966-12-07 DE DE1966P0040942 patent/DE1592492B1/de active Pending
- 1966-12-12 GB GB55611/66A patent/GB1127968A/en not_active Expired
- 1966-12-13 FR FR87250A patent/FR1505024A/fr not_active Expired
- 1966-12-13 NL NL6617476A patent/NL6617476A/xx unknown
- 1966-12-13 BE BE691147A patent/BE691147A/xx not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027640A1 (de) * | 1979-10-22 | 1981-04-29 | BASF Aktiengesellschaft | Verfahren zur Herstellung von ferromagnetischem Chromdioxid sowie seine Verwendung zur Herstellung von magnetischen Aufzeichnungsträgern |
| US4340494A (en) | 1979-10-22 | 1982-07-20 | Basf Aktiengesellschaft | Process for the manufacture of ferromagnetic chromium dioxide |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1127968A (en) | 1968-09-25 |
| DE1592492B1 (de) | 1971-04-08 |
| US3449073A (en) | 1969-06-10 |
| FR1505024A (fr) | 1967-12-08 |
| BE691147A (en:Method) | 1967-06-13 |