JPS54140998A - Production of magnetic memory medium - Google Patents
Production of magnetic memory mediumInfo
- Publication number
- JPS54140998A JPS54140998A JP4955378A JP4955378A JPS54140998A JP S54140998 A JPS54140998 A JP S54140998A JP 4955378 A JP4955378 A JP 4955378A JP 4955378 A JP4955378 A JP 4955378A JP S54140998 A JPS54140998 A JP S54140998A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- ferromagnetic layer
- travelled
- production
- cans
- 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
- Manufacturing Of Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Abstract
PURPOSE: To enable selection, with good reproducibility, of easy axis of a ferromagnetic layer containing Fe abont its longitudinal direction by setting the temperature of a heating medium flowed in cylindrical cans along which a substrate for vapor coating of magnetic layer is travelled to be equal to or higher than a specified point.
CONSTITUTION: In a vacuum tank 10, a film substrate 1 is travelled from a reel-off shaft 17 to a take-up shaft 16 along cylindrical cans 8 and 9. A ferromagnetic layer containing at least 0.5% of Fe is formed on the substrate 1 from the materials evaporated from evaporation materials 2 and 3. The temperature of a heating medium flowed in the cans 8 and 9 is kept equal to or higher than 150° C. The ferromagnetic layer may consist of any ferromagnetic material containing Fe, such as Co-Fe, Co-Fe-Si, Co-Fe-Ni, and the like.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4955378A JPS54140998A (en) | 1978-04-25 | 1978-04-25 | Production of magnetic memory medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4955378A JPS54140998A (en) | 1978-04-25 | 1978-04-25 | Production of magnetic memory medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54140998A true JPS54140998A (en) | 1979-11-01 |
Family
ID=12834379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4955378A Pending JPS54140998A (en) | 1978-04-25 | 1978-04-25 | Production of magnetic memory medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54140998A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4643915A (en) * | 1984-06-28 | 1987-02-17 | Fuji Photo Film Co., Ltd. | Process for producing magnetic recording medium |
-
1978
- 1978-04-25 JP JP4955378A patent/JPS54140998A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4643915A (en) * | 1984-06-28 | 1987-02-17 | Fuji Photo Film Co., Ltd. | Process for producing magnetic recording medium |
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