JPS54147009A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS54147009A JPS54147009A JP5629678A JP5629678A JPS54147009A JP S54147009 A JPS54147009 A JP S54147009A JP 5629678 A JP5629678 A JP 5629678A JP 5629678 A JP5629678 A JP 5629678A JP S54147009 A JPS54147009 A JP S54147009A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- magnetic
- alloy
- thin film
- resin 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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Abstract
PURPOSE: To prevent the corrosion of the magnetic metal (alloy) in a resin layer by forming a metal (ally) thin film having the specific resistance value on the resin layer which is provided on a non-magnetic substrate and is dispersed with fine particles of ferromagnetic metal (alloy) thereby forming the magnetic recording medium.
CONSTITUTION: A magnetic layer 2 composed of a resin layer dispersed with fine particles of ferromagnetic metal of 1μ or under in particle size such as iron is formed on a non-magnetic substrate 1 such as polyethylene terephthalate film and further a metal (alloy) thin film 3 of resistance value 10Ω/cm2 or under is formed by using a vacuum evaporation method, electroplating method or other. Metals (e.g., gold) of smaller ionization tendency than the magnetic fine particle metal used, metals (e.g., chromium) which develop corrosion preventiveness by forming possive state, etc. are used for the abovementioned metal thin film 3.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5629678A JPS54147009A (en) | 1978-05-11 | 1978-05-11 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5629678A JPS54147009A (en) | 1978-05-11 | 1978-05-11 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54147009A true JPS54147009A (en) | 1979-11-16 |
Family
ID=13023141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5629678A Pending JPS54147009A (en) | 1978-05-11 | 1978-05-11 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54147009A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6146761A (en) * | 1997-09-16 | 2000-11-14 | Alps Electric Co., Ltd. | Functional particle-dispersed thin film, granular magnetic thin film and production processes thereof |
-
1978
- 1978-05-11 JP JP5629678A patent/JPS54147009A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6146761A (en) * | 1997-09-16 | 2000-11-14 | Alps Electric Co., Ltd. | Functional particle-dispersed thin film, granular magnetic thin film and production processes thereof |
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