JPS54123920A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS54123920A JPS54123920A JP3137478A JP3137478A JPS54123920A JP S54123920 A JPS54123920 A JP S54123920A JP 3137478 A JP3137478 A JP 3137478A JP 3137478 A JP3137478 A JP 3137478A JP S54123920 A JPS54123920 A JP S54123920A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- recording medium
- film
- magnetic recording
- substrate
- 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.)
- Granted
Links
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
PURPOSE: To improve abrasion resistance and corrosion resistance and prevent interference colors on the surface by laminating an aluminum thin film on the metal magnetic thin film formed on a substrate thence providing a transparent protecting cover thereon thereby forming the magnetic recording medium.
CONSTITUTION: An aluminum thin film of about 0.01 to 0.2μ in thickness is formed through vacuum deposition, ion plating or other on a metal magnetic thin film formed on a substrate such as polyester film, after which a transparent protecting film of about 0.1μ or under in thickness is provided thereon. The synthetic resin thin film containing lubricants by ordinary coating methods, the transparent inorganic lubricant thin film by vacuum deposition, sputtering, etc. of magnesium fluoride, zinc fluoride, etc. and the like may be used for the above protecting film.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3137478A JPS54123920A (en) | 1978-03-17 | 1978-03-17 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3137478A JPS54123920A (en) | 1978-03-17 | 1978-03-17 | Magnetic recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54123920A true JPS54123920A (en) | 1979-09-26 |
JPS5749971B2 JPS5749971B2 (en) | 1982-10-25 |
Family
ID=12329467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3137478A Granted JPS54123920A (en) | 1978-03-17 | 1978-03-17 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54123920A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57198542A (en) * | 1981-05-29 | 1982-12-06 | Sekisui Chem Co Ltd | Magnetic recording medium |
US4456661A (en) * | 1980-08-15 | 1984-06-26 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
-
1978
- 1978-03-17 JP JP3137478A patent/JPS54123920A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4456661A (en) * | 1980-08-15 | 1984-06-26 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
US4499138A (en) * | 1980-08-15 | 1985-02-12 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
JPS57198542A (en) * | 1981-05-29 | 1982-12-06 | Sekisui Chem Co Ltd | Magnetic recording medium |
Also Published As
Publication number | Publication date |
---|---|
JPS5749971B2 (en) | 1982-10-25 |
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