FR2238207B1 - - Google Patents
Info
- Publication number
- FR2238207B1 FR2238207B1 FR7425256A FR7425256A FR2238207B1 FR 2238207 B1 FR2238207 B1 FR 2238207B1 FR 7425256 A FR7425256 A FR 7425256A FR 7425256 A FR7425256 A FR 7425256A FR 2238207 B1 FR2238207 B1 FR 2238207B1
- 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
- G11B5/716—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 two or more magnetic layers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8214473A JPS5617734B2 (ru) | 1973-07-19 | 1973-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2238207A1 FR2238207A1 (ru) | 1975-02-14 |
| FR2238207B1 true FR2238207B1 (ru) | 1979-09-21 |
Family
ID=13766224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7425256A Expired FR2238207B1 (ru) | 1973-07-19 | 1974-07-19 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5617734B2 (ru) |
| AT (1) | AT354761B (ru) |
| BR (1) | BR7405986D0 (ru) |
| CA (1) | CA1029129A (ru) |
| DE (1) | DE2434940A1 (ru) |
| FR (1) | FR2238207B1 (ru) |
| GB (1) | GB1450635A (ru) |
| IT (1) | IT1017325B (ru) |
| NL (1) | NL7409765A (ru) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5843815B2 (ja) * | 1975-10-23 | 1983-09-29 | 富士写真フイルム株式会社 | ジキキロクテ−プ |
| JPS5769528A (en) * | 1980-10-14 | 1982-04-28 | Tdk Corp | Magnetic recording medium |
| JPS5817539A (ja) * | 1981-07-21 | 1983-02-01 | Sony Corp | 磁気記録媒体 |
| JPS5856228A (ja) * | 1981-09-28 | 1983-04-02 | Sony Corp | 磁気記録媒体 |
| JPS59172142A (ja) * | 1983-03-20 | 1984-09-28 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JPS59172144A (ja) * | 1983-03-20 | 1984-09-28 | Hitachi Maxell Ltd | 磁気記録媒体 |
| DE19714161A1 (de) * | 1997-04-05 | 1998-10-08 | Emtec Magnetics Gmbh | Magnetischer Aufzeichnungsträger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL153374B (nl) * | 1966-10-05 | 1977-05-16 | Philips Nv | Werkwijze ter vervaardiging van een halfgeleiderinrichting voorzien van een oxydelaag en halfgeleiderinrichting vervaardigd volgens de werkwijze. |
-
1973
- 1973-07-19 JP JP8214473A patent/JPS5617734B2/ja not_active Expired
-
1974
- 1974-07-17 GB GB3167974A patent/GB1450635A/en not_active Expired
- 1974-07-18 CA CA205,021A patent/CA1029129A/en not_active Expired
- 1974-07-18 NL NL7409765A patent/NL7409765A/xx not_active Application Discontinuation
- 1974-07-19 IT IT2540474A patent/IT1017325B/it active
- 1974-07-19 DE DE19742434940 patent/DE2434940A1/de active Pending
- 1974-07-19 AT AT602074A patent/AT354761B/de not_active IP Right Cessation
- 1974-07-19 BR BR598674A patent/BR7405986D0/pt unknown
- 1974-07-19 FR FR7425256A patent/FR2238207B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2238207A1 (ru) | 1975-02-14 |
| DE2434940A1 (de) | 1975-02-06 |
| AT354761B (de) | 1979-01-25 |
| NL7409765A (nl) | 1975-01-21 |
| JPS5031804A (ru) | 1975-03-28 |
| IT1017325B (it) | 1977-07-20 |
| CA1029129A (en) | 1978-04-04 |
| JPS5617734B2 (ru) | 1981-04-24 |
| BR7405986D0 (pt) | 1975-05-13 |
| GB1450635A (en) | 1976-09-22 |
| ATA602074A (de) | 1979-06-15 |
| AU7136174A (en) | 1976-01-22 |