JPS55125539A - Magnetic recording substance - Google Patents
Magnetic recording substanceInfo
- Publication number
- JPS55125539A JPS55125539A JP3405379A JP3405379A JPS55125539A JP S55125539 A JPS55125539 A JP S55125539A JP 3405379 A JP3405379 A JP 3405379A JP 3405379 A JP3405379 A JP 3405379A JP S55125539 A JPS55125539 A JP S55125539A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic material
- instance
- coated
- substance
- 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.)
- Granted
Links
Landscapes
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
Abstract
PURPOSE: To obtain a magnetic recording substance which is satisfactory in dispersion of magnetic material and excellent in wear-proof of a magnetic coated film, by forming a coated film consisting of magnetic material which has reformed the surface by a coupling agent, and a binder agent on the basic substance.
CONSTITUTION: The surface is coated (the extent that the surface of magnetic material is coated with 1W2 molecular films is desirable.) by making a coupling agent (for instance, one functional titanate such as isopropyl-triisostearoyl-titanate, etc.) react upon magnetic material (for instance, needle-like τ-Fe2O3), and magnetic paint is prepared by mixing the foregoing by 55W97wt% against a binder agent such as polyvinyl chloride, polyvinyl acetate, etc. After that, the afore-mentioned magnetic paint is applied on the basic substance (for instance, polyethylene- telephthalate film), and a magnetic layer whose thickness is several tens of μ is formed, which is made a recording substance.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54034053A JPS5853409B2 (en) | 1979-03-22 | 1979-03-22 | magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54034053A JPS5853409B2 (en) | 1979-03-22 | 1979-03-22 | magnetic recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55125539A true JPS55125539A (en) | 1980-09-27 |
JPS5853409B2 JPS5853409B2 (en) | 1983-11-29 |
Family
ID=12403537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54034053A Expired JPS5853409B2 (en) | 1979-03-22 | 1979-03-22 | magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5853409B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658135A (en) * | 1979-10-13 | 1981-05-21 | Sony Corp | Magnetic recording medium |
JPS56111129A (en) * | 1980-02-06 | 1981-09-02 | Sony Corp | Magnetic recording medium |
JPS573224A (en) * | 1980-06-05 | 1982-01-08 | Toshiba Corp | Magnetic recording body |
JPS6276508A (en) * | 1985-09-28 | 1987-04-08 | Toshiba Corp | Magnetic powder for high density magnetic recording |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4959608A (en) * | 1972-10-05 | 1974-06-10 | ||
JPS51109498A (en) * | 1975-03-22 | 1976-09-28 | Tdk Electronics Co Ltd |
-
1979
- 1979-03-22 JP JP54034053A patent/JPS5853409B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4959608A (en) * | 1972-10-05 | 1974-06-10 | ||
JPS51109498A (en) * | 1975-03-22 | 1976-09-28 | Tdk Electronics Co Ltd |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658135A (en) * | 1979-10-13 | 1981-05-21 | Sony Corp | Magnetic recording medium |
JPH0120489B2 (en) * | 1979-10-13 | 1989-04-17 | Sony Corp | |
JPS56111129A (en) * | 1980-02-06 | 1981-09-02 | Sony Corp | Magnetic recording medium |
JPH0121526B2 (en) * | 1980-02-06 | 1989-04-21 | Sony Corp | |
JPS573224A (en) * | 1980-06-05 | 1982-01-08 | Toshiba Corp | Magnetic recording body |
JPS6276508A (en) * | 1985-09-28 | 1987-04-08 | Toshiba Corp | Magnetic powder for high density magnetic recording |
Also Published As
Publication number | Publication date |
---|---|
JPS5853409B2 (en) | 1983-11-29 |
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