FR767520A - - Google Patents
Info
- Publication number
- FR767520A FR767520A FR767520DA FR767520A FR 767520 A FR767520 A FR 767520A FR 767520D A FR767520D A FR 767520DA FR 767520 A FR767520 A FR 767520A
- 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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR767520A true FR767520A (cs) | 1934-07-19 |
Family
ID=1551508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR767520D Expired FR767520A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR767520A (cs) |
-
0
- FR FR767520D patent/FR767520A/fr not_active Expired