JPS6450218A - Magnetic recording medium and producing thereof - Google Patents
Magnetic recording medium and producing thereofInfo
- Publication number
- JPS6450218A JPS6450218A JP20648887A JP20648887A JPS6450218A JP S6450218 A JPS6450218 A JP S6450218A JP 20648887 A JP20648887 A JP 20648887A JP 20648887 A JP20648887 A JP 20648887A JP S6450218 A JPS6450218 A JP S6450218A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- layer
- alloy
- magnetic layer
- underlying layer
- 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 the adhesion of a nonmagnetic substrate and magnetic layer and to improve durability by forming an underlying layer consisting of an alloy composed of titanium and silicon the substrate and providing a magnetic layer consisting of a cobalt alloy directly or via an intermediate layer thereof. CONSTITUTION:The substrate 1 which consists basically of a metal, alloy or inorg. material and has heat resistance is used. The substrate 1 is heated to >=300 deg.C and the underlying layer 2 consisting of the Ti-Si alloy is formed by a sputtering method on the substrate 1; further, the magnetic layer 4 consisting of a thin ferromagnetic metallic film is provided directly or via the intermediate layer 3 consisting of Cr or the alloy essentially consisting of Cr on the underlying layer 2. Since the adhesion of the thin films constituting the medium to each other is thereby improved, the durability is greatly improved; in addition, the magnetic layer having good crystal growability is formed. The adhesion of the underlying layer 2 and the magnetic layer 4 is poor and the effect of improving the magnetic characteristics is low if the heating temp. of the substrate 1 or the heating treatment temp. after formation of the underlying layer 2 is below 300 deg.C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20648887A JPS6450218A (en) | 1987-08-21 | 1987-08-21 | Magnetic recording medium and producing thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20648887A JPS6450218A (en) | 1987-08-21 | 1987-08-21 | Magnetic recording medium and producing thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6450218A true JPS6450218A (en) | 1989-02-27 |
Family
ID=16524204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20648887A Pending JPS6450218A (en) | 1987-08-21 | 1987-08-21 | Magnetic recording medium and producing thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6450218A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9810142B2 (en) | 2012-08-31 | 2017-11-07 | Ihi Corporation | Uniflow-scavenging-type two-cycle engine |
-
1987
- 1987-08-21 JP JP20648887A patent/JPS6450218A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9810142B2 (en) | 2012-08-31 | 2017-11-07 | Ihi Corporation | Uniflow-scavenging-type two-cycle engine |
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