FR2198201B1 - - Google Patents
Info
- Publication number
- FR2198201B1 FR2198201B1 FR7331406A FR7331406A FR2198201B1 FR 2198201 B1 FR2198201 B1 FR 2198201B1 FR 7331406 A FR7331406 A FR 7331406A FR 7331406 A FR7331406 A FR 7331406A FR 2198201 B1 FR2198201 B1 FR 2198201B1
- 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
- G11B5/702—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 bonding agent
- G11B5/7021—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 bonding agent containing a polyurethane or a polyisocyanate
- G11B5/7022—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 bonding agent containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2242499A DE2242499C3 (de) | 1972-08-30 | 1972-08-30 | Verfahren zum Herstellen von flexiblen Schichtmagnetogrammträgern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2198201A1 FR2198201A1 (US06582424-20030624-M00016.png) | 1974-03-29 |
| FR2198201B1 true FR2198201B1 (US06582424-20030624-M00016.png) | 1977-05-13 |
Family
ID=5854917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7331406A Expired FR2198201B1 (US06582424-20030624-M00016.png) | 1972-08-30 | 1973-08-30 |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0762892B2 (ja) * | 1984-06-08 | 1995-07-05 | ティーディーケイ株式会社 | 画像記録用磁気記録媒体 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE617295A (nl) * | 1962-01-22 | 1962-10-29 | Gevaert Photo Prod Nv | Magnetisch registreermateriaal. |
| GB1006140A (en) * | 1963-07-26 | 1965-09-29 | Gevaert Photo Prod Nv | Magnetic recording medium |
| NL131590C (US06582424-20030624-M00016.png) * | 1963-09-13 | 1900-01-01 | ||
| US3493567A (en) * | 1968-01-22 | 1970-02-03 | Dart Ind Inc | Substituted diazocinophenothiazines |
| GB1305392A (US06582424-20030624-M00016.png) * | 1969-03-14 | 1973-01-31 |
-
1972
- 1972-08-30 DE DE2242499A patent/DE2242499C3/de not_active Expired
-
1973
- 1973-08-28 NL NLAANVRAGE7311836,A patent/NL185313C/xx not_active IP Right Cessation
- 1973-08-28 CA CA179,850A patent/CA995068A/en not_active Expired
- 1973-08-29 GB GB4066773A patent/GB1445152A/en not_active Expired
- 1973-08-29 IT IT52228/73A patent/IT990349B/it active
- 1973-08-30 FR FR7331406A patent/FR2198201B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7311836A (US06582424-20030624-M00016.png) | 1974-03-04 |
| IT990349B (it) | 1975-06-20 |
| GB1445152A (en) | 1976-08-04 |
| FR2198201A1 (US06582424-20030624-M00016.png) | 1974-03-29 |
| DE2242499A1 (de) | 1974-03-07 |
| NL185313C (nl) | 1990-03-01 |
| NL185313B (nl) | 1989-10-02 |
| DE2242499B2 (de) | 1980-11-13 |
| DE2242499C3 (de) | 1981-08-20 |
| CA995068A (en) | 1976-08-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |