JPS5616940A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS5616940A JPS5616940A JP9197879A JP9197879A JPS5616940A JP S5616940 A JPS5616940 A JP S5616940A JP 9197879 A JP9197879 A JP 9197879A JP 9197879 A JP9197879 A JP 9197879A JP S5616940 A JPS5616940 A JP S5616940A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- metal
- magnetic recording
- amorphous metal
- thickness
- 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 obtain the metal thin film type magnetic recording medium excellent in corrosion resistance, wear resistance and durability, by providing nonmagnetic amorphous metal layer on the ferromagnetic substance metal layer on the base.
CONSTITUTION: The amorphous metal (about 600W950 in Vickers hardness and about 120W140μΩcm in electric resistivity) of nonmagnetism, shown in M1-X YX (where: M is Ni, Cr, Mo, Al etc., Y is Si, P,B,C and x is 0.1W0.5) is used. That is, on the base consisting of nonmagnetic material such as polyester and aluminum, the metal magnetic substance layer about 0.1W1μm in thickness such as Fe, Ni is provided and the said amorphous metal is vapordeposited (or sputtered) further on it, to form the protective film 0.01W0.1μm in thickness for the recording medium.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9197879A JPS5616940A (en) | 1979-07-19 | 1979-07-19 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9197879A JPS5616940A (en) | 1979-07-19 | 1979-07-19 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5616940A true JPS5616940A (en) | 1981-02-18 |
Family
ID=14041586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9197879A Pending JPS5616940A (en) | 1979-07-19 | 1979-07-19 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5616940A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0194518A (en) * | 1987-10-06 | 1989-04-13 | Hitachi Ltd | Magnetic recording medium |
US4909634A (en) * | 1988-07-04 | 1990-03-20 | Sanyo Chemical Industries, Ltd. | Stirring device |
-
1979
- 1979-07-19 JP JP9197879A patent/JPS5616940A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0194518A (en) * | 1987-10-06 | 1989-04-13 | Hitachi Ltd | Magnetic recording medium |
US4909634A (en) * | 1988-07-04 | 1990-03-20 | Sanyo Chemical Industries, Ltd. | Stirring device |
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