JPS54155013A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS54155013A JPS54155013A JP6367978A JP6367978A JPS54155013A JP S54155013 A JPS54155013 A JP S54155013A JP 6367978 A JP6367978 A JP 6367978A JP 6367978 A JP6367978 A JP 6367978A JP S54155013 A JPS54155013 A JP S54155013A
- Authority
- JP
- Japan
- Prior art keywords
- film
- thickness
- buffing
- recording medium
- magnetic recording
- 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
- Thin Magnetic Films (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Magnetic Record Carriers (AREA)
Abstract
PURPOSE: To reduce the output fluctuation while the thickness of a high-molecular film and a ferromagnetic metal layer is kept small and raise the bonding property of the ferromagnetic metal layer to the high-molecular film, by buffing the surface of the film.
CONSTITUTION: The surface 1a of a terephthalate film 1 of 11 μm in thickness and 0.034 μm in center line mean roughness is polished by a buffing unit made of wool fibers and having a diameter of 60 mm while the film is moved at a speed 3 m/min and the buffing unit is rotated at the rate of 300 times per minute. Cobalt 2 i evaporated at a thickness of about 2000 Å on the polished surface 1a.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6367978A JPS54155013A (en) | 1978-05-27 | 1978-05-27 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6367978A JPS54155013A (en) | 1978-05-27 | 1978-05-27 | Magnetic recording medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54155013A true JPS54155013A (en) | 1979-12-06 |
Family
ID=13236283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6367978A Pending JPS54155013A (en) | 1978-05-27 | 1978-05-27 | Magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54155013A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508782A (en) * | 1983-12-19 | 1985-04-02 | Toray Industries, Inc. | Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm2 |
| JPS61182624A (en) * | 1985-02-07 | 1986-08-15 | Ulvac Corp | Vertical magnetic recording medium |
-
1978
- 1978-05-27 JP JP6367978A patent/JPS54155013A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508782A (en) * | 1983-12-19 | 1985-04-02 | Toray Industries, Inc. | Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm2 |
| JPS61182624A (en) * | 1985-02-07 | 1986-08-15 | Ulvac Corp | Vertical magnetic recording medium |
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