JPS6433716A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS6433716A JPS6433716A JP19072487A JP19072487A JPS6433716A JP S6433716 A JPS6433716 A JP S6433716A JP 19072487 A JP19072487 A JP 19072487A JP 19072487 A JP19072487 A JP 19072487A JP S6433716 A JPS6433716 A JP S6433716A
- Authority
- JP
- Japan
- Prior art keywords
- coated layer
- fine particles
- lamination
- durability
- recording medium
- 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 improve C/N at short wavelength and durability by forming a thin ferromagnetic metallic film on a fine particle coated layer of laminated columnar fine particles and reducing the respective grain size in order of lamination. CONSTITUTION:The fine particle coated layer 2 is formed on the high-polymer film 1. The coated layer 2 consists of the fine particles 3 and the resin 4. The thin ferromagnetic metallic film as a recording layer is formed thereon by lamination of magnetic layers 5, 6, 7. These magnetic layers 5-7 consist of the columnar fine particles and are so constituted that the particle sizes of the respective layers are successively smaller. As a result, the ruggedness generated by the coated layer 2 is microscopically uniformized, by which the durability and C/N are enhanced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19072487A JPS6433716A (en) | 1987-07-30 | 1987-07-30 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19072487A JPS6433716A (en) | 1987-07-30 | 1987-07-30 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6433716A true JPS6433716A (en) | 1989-02-03 |
Family
ID=16262756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19072487A Pending JPS6433716A (en) | 1987-07-30 | 1987-07-30 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6433716A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5792402A (en) * | 1980-11-25 | 1982-06-09 | Fuji Photo Film Co Ltd | Magnetic recording and reproducing method |
JPS60214423A (en) * | 1984-04-09 | 1985-10-26 | Sony Corp | Magnetic recording medium |
-
1987
- 1987-07-30 JP JP19072487A patent/JPS6433716A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5792402A (en) * | 1980-11-25 | 1982-06-09 | Fuji Photo Film Co Ltd | Magnetic recording and reproducing method |
JPS60214423A (en) * | 1984-04-09 | 1985-10-26 | Sony Corp | Magnetic recording medium |
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