JPS52153708A - Magnetic disc and its manufacture - Google Patents
Magnetic disc and its manufactureInfo
- Publication number
- JPS52153708A JPS52153708A JP7053176A JP7053176A JPS52153708A JP S52153708 A JPS52153708 A JP S52153708A JP 7053176 A JP7053176 A JP 7053176A JP 7053176 A JP7053176 A JP 7053176A JP S52153708 A JPS52153708 A JP S52153708A
- Authority
- JP
- Japan
- Prior art keywords
- manufacture
- magnetic disc
- disc
- magnetic
- proximity
- 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.)
- Granted
Links
Abstract
PURPOSE: To manufacture a magnetic disc of uniform recording/regeneration properties over an extensive range by increasing the residual magnetic flux density and reducing the magnetic resisting force proportional to the proximity to the external circumference of a disc.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7053176A JPS5921088B2 (en) | 1976-06-16 | 1976-06-16 | Magnetic disk manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7053176A JPS5921088B2 (en) | 1976-06-16 | 1976-06-16 | Magnetic disk manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52153708A true JPS52153708A (en) | 1977-12-21 |
JPS5921088B2 JPS5921088B2 (en) | 1984-05-17 |
Family
ID=13434200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7053176A Expired JPS5921088B2 (en) | 1976-06-16 | 1976-06-16 | Magnetic disk manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5921088B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59101032A (en) * | 1982-11-30 | 1984-06-11 | Hitachi Condenser Co Ltd | Manufacture of magnetic recording medium |
-
1976
- 1976-06-16 JP JP7053176A patent/JPS5921088B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59101032A (en) * | 1982-11-30 | 1984-06-11 | Hitachi Condenser Co Ltd | Manufacture of magnetic recording medium |
Also Published As
Publication number | Publication date |
---|---|
JPS5921088B2 (en) | 1984-05-17 |
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