JPS51137402A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS51137402A JPS51137402A JP50061754A JP6175475A JPS51137402A JP S51137402 A JPS51137402 A JP S51137402A JP 50061754 A JP50061754 A JP 50061754A JP 6175475 A JP6175475 A JP 6175475A JP S51137402 A JPS51137402 A JP S51137402A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- magnetic recording
- transfer characteristic
- layer
- worse
- 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 improve transfer characteristic of ion oxide type magnetic powder with small particle size by providing, as magnetic layer, a thin upper layer which is worse in transfer characteristic than the lower layer.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50061754A JPS51137402A (en) | 1975-05-23 | 1975-05-23 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50061754A JPS51137402A (en) | 1975-05-23 | 1975-05-23 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51137402A true JPS51137402A (en) | 1976-11-27 |
Family
ID=13180251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50061754A Pending JPS51137402A (en) | 1975-05-23 | 1975-05-23 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51137402A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2941901A (en) * | 1955-07-08 | 1960-06-21 | Agfa Ag | Magnetic impulse record carriers |
JPS4828681A (en) * | 1971-08-19 | 1973-04-16 | ||
JPS5046103A (en) * | 1973-08-27 | 1975-04-24 | ||
JPS51119204A (en) * | 1975-04-11 | 1976-10-19 | Fuji Photo Film Co Ltd | Magnetically recording element |
-
1975
- 1975-05-23 JP JP50061754A patent/JPS51137402A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2941901A (en) * | 1955-07-08 | 1960-06-21 | Agfa Ag | Magnetic impulse record carriers |
JPS4828681A (en) * | 1971-08-19 | 1973-04-16 | ||
JPS5046103A (en) * | 1973-08-27 | 1975-04-24 | ||
JPS51119204A (en) * | 1975-04-11 | 1976-10-19 | Fuji Photo Film Co Ltd | Magnetically recording element |
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