FR2548423B1 - Procede d'application d'un materiau magnetique sur un disque et disque obtenu par le procede - Google Patents
Procede d'application d'un materiau magnetique sur un disque et disque obtenu par le procedeInfo
- Publication number
- FR2548423B1 FR2548423B1 FR8409441A FR8409441A FR2548423B1 FR 2548423 B1 FR2548423 B1 FR 2548423B1 FR 8409441 A FR8409441 A FR 8409441A FR 8409441 A FR8409441 A FR 8409441A FR 2548423 B1 FR2548423 B1 FR 2548423B1
- Authority
- FR
- France
- Prior art keywords
- disc
- magnetic material
- applying magnetic
- disc obtained
- applying
- 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.)
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
- B05D1/005—Spin coating
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/842—Coating a support with a liquid magnetic dispersion
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50463883A | 1983-06-15 | 1983-06-15 | |
US58579184A | 1984-03-02 | 1984-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2548423A1 FR2548423A1 (fr) | 1985-01-04 |
FR2548423B1 true FR2548423B1 (fr) | 1989-03-24 |
Family
ID=27054894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8409441A Expired FR2548423B1 (fr) | 1983-06-15 | 1984-06-15 | Procede d'application d'un materiau magnetique sur un disque et disque obtenu par le procede |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2548423B1 (fr) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1195802A (fr) * | 1957-05-13 | 1959-11-19 | Pye Ltd | Procédé de fabrication des disques d'enregistrement magnétique du son |
US3198657A (en) * | 1964-09-17 | 1965-08-03 | Ibm | Process for spin coating objects |
DE1696377A1 (de) * | 1967-01-12 | 1971-11-11 | Karl Ing Pichler | Verfahren zur Herstellung von individuell verschieden gefaerbten Platten od. dgl. |
US3730760A (en) * | 1971-11-26 | 1973-05-01 | Ibm | Vertical centrifugal spin coating method |
US4201149A (en) * | 1974-12-17 | 1980-05-06 | Basf Aktiengesellschaft | Apparatus for spin coating in the production of thin magnetic layers for magnetic discs |
JPS56156934A (en) * | 1980-05-08 | 1981-12-03 | Yoshiro Nakamatsu | Uneven orientation recording medium |
EP0078368B1 (fr) * | 1981-11-02 | 1988-02-03 | International Business Machines Corporation | Dispositif et procédé pour le recouvrement par centrifugation |
-
1984
- 1984-06-15 FR FR8409441A patent/FR2548423B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2548423A1 (fr) | 1985-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |