JPS5613527A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS5613527A JPS5613527A JP8796979A JP8796979A JPS5613527A JP S5613527 A JPS5613527 A JP S5613527A JP 8796979 A JP8796979 A JP 8796979A JP 8796979 A JP8796979 A JP 8796979A JP S5613527 A JPS5613527 A JP S5613527A
- Authority
- JP
- Japan
- Prior art keywords
- fatty acid
- saturated
- magnetic layer
- unsaturated fatty
- lubricant
- 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)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
PURPOSE: To obtain a magnetic recording medium that has small run tension and superio repetitive running property and durability of still reproduction, by performing a heat treatment after coating the surface of a magnetic layer, provided on a supporter, with a lubricant solution of a specific kind of fatty acid.
CONSTITUTION: On a nonmagnetic supporter, a magnetic coating solution consisting of pulverized ferromagnetic powder and a binder is applied and, after drying and smoothing the surface to provide a magnetic layer. On the surface of this magnetic layer, a lubricant solution is applied, which is obtained by dissolving in an organic solvent in one kind or more combination of saturated and unsaturated fatty acids of 12W22 in C number (e.g. myristic acid), saturated and unsaturated fatty acid amides of 20W26 in C number (e.g. n-dodecane amide), saturated and unsaturated fatty acid ester of 14W22 in C number of fatty acid residue (e.g. n-butyl stearate) and not less than one kind of paraffin, polysiloxane and polysiloxane ester, so that the lubricant will be 5W200mg/m2, and a heat treatment is carried out for about 5W10hr at about 30W70°C.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8796979A JPS5613527A (en) | 1979-07-11 | 1979-07-11 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8796979A JPS5613527A (en) | 1979-07-11 | 1979-07-11 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5613527A true JPS5613527A (en) | 1981-02-09 |
Family
ID=13929671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8796979A Pending JPS5613527A (en) | 1979-07-11 | 1979-07-11 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5613527A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61188736A (en) * | 1985-02-18 | 1986-08-22 | Hitachi Maxell Ltd | Magnetic recording medium |
JPS6289228A (en) * | 1985-10-16 | 1987-04-23 | Nec Corp | Magnetic storage medium |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5253406A (en) * | 1975-10-28 | 1977-04-30 | Fuji Photo Film Co Ltd | Magnetic sheet |
-
1979
- 1979-07-11 JP JP8796979A patent/JPS5613527A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5253406A (en) * | 1975-10-28 | 1977-04-30 | Fuji Photo Film Co Ltd | Magnetic sheet |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61188736A (en) * | 1985-02-18 | 1986-08-22 | Hitachi Maxell Ltd | Magnetic recording medium |
JPS6289228A (en) * | 1985-10-16 | 1987-04-23 | Nec Corp | Magnetic storage medium |
JPH0548529B2 (en) * | 1985-10-16 | 1993-07-21 | Nippon Electric Co |
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