FR2108364A5 - - Google Patents
Info
- Publication number
- FR2108364A5 FR2108364A5 FR7133963A FR7133963A FR2108364A5 FR 2108364 A5 FR2108364 A5 FR 2108364A5 FR 7133963 A FR7133963 A FR 7133963A FR 7133963 A FR7133963 A FR 7133963A FR 2108364 A5 FR2108364 A5 FR 2108364A5
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hard Magnetic Materials (AREA)
- Magnetic Record Carriers (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45083150A JPS521116B1 (enExample) | 1970-09-22 | 1970-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2108364A5 true FR2108364A5 (enExample) | 1972-05-19 |
Family
ID=13794181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7133963A Expired FR2108364A5 (enExample) | 1970-09-22 | 1971-09-21 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS521116B1 (enExample) |
| CA (1) | CA976743A (enExample) |
| DE (1) | DE2147531A1 (enExample) |
| FR (1) | FR2108364A5 (enExample) |
| GB (2) | GB1371492A (enExample) |
| IT (1) | IT939439B (enExample) |
| NL (1) | NL153155B (enExample) |
-
1970
- 1970-09-22 JP JP45083150A patent/JPS521116B1/ja active Pending
-
1971
- 1971-09-16 CA CA122,999A patent/CA976743A/en not_active Expired
- 1971-09-20 DE DE19712147531 patent/DE2147531A1/de active Pending
- 1971-09-20 IT IT52966/71A patent/IT939439B/it active
- 1971-09-21 FR FR7133963A patent/FR2108364A5/fr not_active Expired
- 1971-09-22 NL NL717113034A patent/NL153155B/xx not_active IP Right Cessation
- 1971-09-22 GB GB2249374A patent/GB1371492A/en not_active Expired
- 1971-09-22 GB GB4420971A patent/GB1370931A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7113034A (enExample) | 1972-03-24 |
| CA976743A (en) | 1975-10-28 |
| GB1370931A (en) | 1974-10-16 |
| GB1371492A (en) | 1974-10-23 |
| IT939439B (it) | 1973-02-10 |
| NL153155B (nl) | 1977-05-16 |
| DE2147531A1 (de) | 1972-05-04 |
| JPS521116B1 (enExample) | 1977-01-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |