JPS6437721A - Production of magnetic recording medium - Google Patents
Production of magnetic recording mediumInfo
- Publication number
- JPS6437721A JPS6437721A JP19319987A JP19319987A JPS6437721A JP S6437721 A JPS6437721 A JP S6437721A JP 19319987 A JP19319987 A JP 19319987A JP 19319987 A JP19319987 A JP 19319987A JP S6437721 A JPS6437721 A JP S6437721A
- Authority
- JP
- Japan
- Prior art keywords
- ferromagnetic metal
- recording medium
- magnetic recording
- polymer
- 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)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
PURPOSE:To produce a magnetic recording medium having large coercive force by depositing a ferromagnetic metal and polymer simultaneously on a nonmagnetic substrate by a vapor deposition method, then subjecting the resultant medium to a heating treatment. CONSTITUTION:The film in which part of the polymer 300 intrudes among the particles of the columnar ferromagnetic metal 500 is obtd. if the ferromagnetic metal 300 and the polymer 500 are simultaneously deposited by evaporation on the nonmagnetic substrate 100. The polymer 300 which intrudes among the particles of the columnar ferromagnetic metal 500 and breaks the crystallinity of the ferromagnetic metal is removed and the crystallinity of the ferromagnetic metal is recovered if this medium is subjected to the heating treatment. The crystal magnetic anisotropy is thus increased and the coercive force is improved. The magnetic recording medium having the magnetic characteristics suitable as the magnetic recording medium is thereby obtd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19319987A JPS6437721A (en) | 1987-08-01 | 1987-08-01 | Production of magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19319987A JPS6437721A (en) | 1987-08-01 | 1987-08-01 | Production of magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6437721A true JPS6437721A (en) | 1989-02-08 |
Family
ID=16303951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19319987A Pending JPS6437721A (en) | 1987-08-01 | 1987-08-01 | Production of magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6437721A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5093173A (en) * | 1989-01-13 | 1992-03-03 | Hitachi, Ltd. | Magnetic disc comprising a substrate of an amorphous glass continuous phase dispersed with crystal particles which produce a structurally defined surface on the substrate |
-
1987
- 1987-08-01 JP JP19319987A patent/JPS6437721A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5093173A (en) * | 1989-01-13 | 1992-03-03 | Hitachi, Ltd. | Magnetic disc comprising a substrate of an amorphous glass continuous phase dispersed with crystal particles which produce a structurally defined surface on the substrate |
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