FR2133965B1 - - Google Patents
Info
- Publication number
- FR2133965B1 FR2133965B1 FR7214014A FR7214014A FR2133965B1 FR 2133965 B1 FR2133965 B1 FR 2133965B1 FR 7214014 A FR7214014 A FR 7214014A FR 7214014 A FR7214014 A FR 7214014A FR 2133965 B1 FR2133965 B1 FR 2133965B1
- Authority
- FR
- France
- 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
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 |
|---|---|---|---|
| JP2550471 | 1971-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2133965A1 FR2133965A1 (enExample) | 1972-12-01 |
| FR2133965B1 true FR2133965B1 (enExample) | 1976-06-11 |
Family
ID=12167882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7214014A Expired FR2133965B1 (enExample) | 1971-04-20 | 1972-04-20 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2219363A1 (enExample) |
| FR (1) | FR2133965B1 (enExample) |
| GB (1) | GB1375119A (enExample) |
| NL (1) | NL7205340A (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3501344A (en) * | 1967-07-28 | 1970-03-17 | Eastman Kodak Co | Magnetic recording tape supported on poly(ethylene 2,6 - naphthalenedicarboxylate) |
-
1972
- 1972-04-19 GB GB1812872A patent/GB1375119A/en not_active Expired
- 1972-04-20 DE DE19722219363 patent/DE2219363A1/de active Pending
- 1972-04-20 FR FR7214014A patent/FR2133965B1/fr not_active Expired
- 1972-04-20 NL NL7205340A patent/NL7205340A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2133965A1 (enExample) | 1972-12-01 |
| NL7205340A (enExample) | 1972-10-24 |
| GB1375119A (enExample) | 1974-11-27 |
| DE2219363A1 (de) | 1972-12-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |