FR2341911A1 - Procede de fabrication de supports d'enregistrement magnetiques a surface inusable - Google Patents
Procede de fabrication de supports d'enregistrement magnetiques a surface inusableInfo
- Publication number
- FR2341911A1 FR2341911A1 FR7704511A FR7704511A FR2341911A1 FR 2341911 A1 FR2341911 A1 FR 2341911A1 FR 7704511 A FR7704511 A FR 7704511A FR 7704511 A FR7704511 A FR 7704511A FR 2341911 A1 FR2341911 A1 FR 2341911A1
- Authority
- FR
- France
- Prior art keywords
- magnetic recording
- recording media
- manufacturing magnetic
- wearable surface
- wearable
- Prior art date
- 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.)
- Withdrawn
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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2606418A DE2606418C2 (de) | 1976-02-18 | 1976-02-18 | Verfahren zur Herstellung magnetischer Aufzeichnungsträger mit verschleißfester Oberfläche |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2341911A1 true FR2341911A1 (fr) | 1977-09-16 |
Family
ID=5970162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7704511A Withdrawn FR2341911A1 (fr) | 1976-02-18 | 1977-02-17 | Procede de fabrication de supports d'enregistrement magnetiques a surface inusable |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS6043565B2 (fr) |
DE (1) | DE2606418C2 (fr) |
FR (1) | FR2341911A1 (fr) |
GB (1) | GB1569491A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2473209A1 (fr) * | 1980-01-08 | 1981-07-10 | Sagem | Procede pour former une couche de protection sur une couche magnetique et couche magnetique protegee obtenue par ce procede |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5729500Y2 (fr) * | 1978-08-02 | 1982-06-28 | ||
JPS6311358U (fr) * | 1986-07-08 | 1988-01-25 | ||
JPS649178U (fr) * | 1987-06-24 | 1989-01-18 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3353166A (en) * | 1963-10-23 | 1967-11-14 | Ibm | Oxide coated magnetic recording medium |
US3575825A (en) * | 1968-01-12 | 1971-04-20 | Gen Electric | Method of increasing the coercive force of cobalt-tungsten films by anodic treatment |
US3719525A (en) * | 1969-01-09 | 1973-03-06 | Control Data Corp | Magnetic record members having a protective recording surface and method of making |
DE2405623A1 (de) * | 1974-02-06 | 1976-01-08 | Basf Ag | Magnetische duennschichtfilme mit austauschanisotropem verhalten |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2220964A1 (de) * | 1972-04-28 | 1973-11-08 | Basf Ag | Verfahren zur herstellung starrer magnetischer aufzeichnungstraeger |
-
1976
- 1976-02-18 DE DE2606418A patent/DE2606418C2/de not_active Expired
-
1977
- 1977-02-14 JP JP52014324A patent/JPS6043565B2/ja not_active Expired
- 1977-02-17 GB GB6647/77A patent/GB1569491A/en not_active Expired
- 1977-02-17 FR FR7704511A patent/FR2341911A1/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3353166A (en) * | 1963-10-23 | 1967-11-14 | Ibm | Oxide coated magnetic recording medium |
US3575825A (en) * | 1968-01-12 | 1971-04-20 | Gen Electric | Method of increasing the coercive force of cobalt-tungsten films by anodic treatment |
US3719525A (en) * | 1969-01-09 | 1973-03-06 | Control Data Corp | Magnetic record members having a protective recording surface and method of making |
DE2405623A1 (de) * | 1974-02-06 | 1976-01-08 | Basf Ag | Magnetische duennschichtfilme mit austauschanisotropem verhalten |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2473209A1 (fr) * | 1980-01-08 | 1981-07-10 | Sagem | Procede pour former une couche de protection sur une couche magnetique et couche magnetique protegee obtenue par ce procede |
Also Published As
Publication number | Publication date |
---|---|
DE2606418A1 (de) | 1977-09-01 |
DE2606418C2 (de) | 1984-03-22 |
GB1569491A (en) | 1980-06-18 |
JPS52100206A (en) | 1977-08-23 |
JPS6043565B2 (ja) | 1985-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Withdrawal of published application |