JPS5683837A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS5683837A JPS5683837A JP15950979A JP15950979A JPS5683837A JP S5683837 A JPS5683837 A JP S5683837A JP 15950979 A JP15950979 A JP 15950979A JP 15950979 A JP15950979 A JP 15950979A JP S5683837 A JPS5683837 A JP S5683837A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- thin film
- substance
- magnetic layer
- magnetic recording
- 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)
Abstract
PURPOSE: To reduce recording defect and output fluctuation of the magnetic recording medium as much as possible, by providing a region, where the ferromagnetic metal thin film magnetic layer is not stuck in a prescribed pattern, in the film substance end part to form the magnetic layer into stripes in a prescribed pattern.
CONSTITUTION: In case that ferromagentic metal thin film magnetic layer 3 is formed on nonmagnetic film substance 2 to produce a magnetic recording medium, square slit-form nonsticking regions 41, 41,... 45, 45,... of width (b) are formed at equal interval (c) throughout the range of length (a) from end faces near breadtthwise both end parts of substance 2 so that they may be parallel with the breadth direction of substance 2. As the result, magnetic layer 3 is formed into stripes in a prescribed pattern near both end parts. Thus, internal stress accumulated in the thin film when the thin film of the magnetic recording medium is stuck is reduced, and curl and cupping are reduced to reduce recording defect and output fluctuation considerably.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15950979A JPS5683837A (en) | 1979-12-08 | 1979-12-08 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15950979A JPS5683837A (en) | 1979-12-08 | 1979-12-08 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5683837A true JPS5683837A (en) | 1981-07-08 |
Family
ID=15695322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15950979A Pending JPS5683837A (en) | 1979-12-08 | 1979-12-08 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5683837A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01208726A (en) * | 1988-02-16 | 1989-08-22 | Kyodo Printing Co Ltd | Magnetic recording medium |
-
1979
- 1979-12-08 JP JP15950979A patent/JPS5683837A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01208726A (en) * | 1988-02-16 | 1989-08-22 | Kyodo Printing Co Ltd | Magnetic recording medium |
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