JPS6413219A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS6413219A JPS6413219A JP16943987A JP16943987A JPS6413219A JP S6413219 A JPS6413219 A JP S6413219A JP 16943987 A JP16943987 A JP 16943987A JP 16943987 A JP16943987 A JP 16943987A JP S6413219 A JPS6413219 A JP S6413219A
- Authority
- JP
- Japan
- Prior art keywords
- film
- magnetic
- carbonaceous
- recording medium
- obtd
- 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.)
- Pending
Links
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
PURPOSE:To lower a noise level and to greatly improve reproduced output and C/N by laminating plural stages of laminates consisting of carbonaceous films and magnetic films on a substrate, thereby forming a magnetic recording medium. CONSTITUTION:The carbonaceous film 3 which consists of carbon and is obtd. by sputtering of the carbon or by a plasma polymn. method is formed on the surface of the substrate 1 or the surface of a hard film 2. The magnetic film 4A consisting of Co, platinum alloy, Co-Ni-Cr alloy, etc., is then provided by a sputtering method or vacuum deposition method on the carbonaceous film 3. Plural stages of the carbonaceous films 5 and the magnetic films 6 are laminated on the carbonaceous film 3 and the magnetic film 4 to form the magnetic recording medium. A protective film 7 consisting of the carbonaceous film obtd. by the plasma polymn. method or the film obtd. by sputtering the carbon is formed on the uppermost magnetic film. The magnetic recording medium which has the low noise level and is greatly enhanced in the reproduced output and C/N is thereby obtd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16943987A JPS6413219A (en) | 1987-07-07 | 1987-07-07 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16943987A JPS6413219A (en) | 1987-07-07 | 1987-07-07 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6413219A true JPS6413219A (en) | 1989-01-18 |
Family
ID=15886623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16943987A Pending JPS6413219A (en) | 1987-07-07 | 1987-07-07 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6413219A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002157730A (en) * | 2000-09-11 | 2002-05-31 | Univ Waseda | Magnetic recording medium, its manufacturing method and magnetic recording/reproducing device |
-
1987
- 1987-07-07 JP JP16943987A patent/JPS6413219A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002157730A (en) * | 2000-09-11 | 2002-05-31 | Univ Waseda | Magnetic recording medium, its manufacturing method and magnetic recording/reproducing device |
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