JPS5350805A - Production of high recording density magnetic disc - Google Patents
Production of high recording density magnetic discInfo
- Publication number
- JPS5350805A JPS5350805A JP12497976A JP12497976A JPS5350805A JP S5350805 A JPS5350805 A JP S5350805A JP 12497976 A JP12497976 A JP 12497976A JP 12497976 A JP12497976 A JP 12497976A JP S5350805 A JPS5350805 A JP S5350805A
- Authority
- JP
- Japan
- Prior art keywords
- recording density
- high recording
- production
- magnetic disc
- density magnetic
- 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
Abstract
PURPOSE: To lower the cost of underlying plating films necessary for obtaining magnetic discs of high quality and high recording density by using flat and smooth electric copper-zinc alloy plating films.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12497976A JPS5350805A (en) | 1976-10-20 | 1976-10-20 | Production of high recording density magnetic disc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12497976A JPS5350805A (en) | 1976-10-20 | 1976-10-20 | Production of high recording density magnetic disc |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5350805A true JPS5350805A (en) | 1978-05-09 |
Family
ID=14898931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12497976A Pending JPS5350805A (en) | 1976-10-20 | 1976-10-20 | Production of high recording density magnetic disc |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5350805A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61168121A (en) * | 1985-01-18 | 1986-07-29 | Denka Himaku Kogyo Kk | Disk for magnetic recording |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4720803U (en) * | 1971-03-19 | 1972-11-09 |
-
1976
- 1976-10-20 JP JP12497976A patent/JPS5350805A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4720803U (en) * | 1971-03-19 | 1972-11-09 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61168121A (en) * | 1985-01-18 | 1986-07-29 | Denka Himaku Kogyo Kk | Disk for magnetic recording |
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