JPS5467700A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS5467700A JPS5467700A JP13508577A JP13508577A JPS5467700A JP S5467700 A JPS5467700 A JP S5467700A JP 13508577 A JP13508577 A JP 13508577A JP 13508577 A JP13508577 A JP 13508577A JP S5467700 A JPS5467700 A JP S5467700A
- Authority
- JP
- Japan
- Prior art keywords
- oxalate
- magnetic recording
- recording layer
- acicular
- magnetic
- 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
Abstract
PURPOSE: To provide a magnetic tape of thin thickness, large Young's modulus and mechanical strength and less wrinkle or the like by providing reinforcing layer including acicular crystal oxalate on one or both sides of non-magnetic film provided with magnetic recording layer.
CONSTITUTION: A reinforcing layer 3 including acicular crystal oxalate is formed on one or both sides of nonmagnetic film 1 provided with magnetic recording layer 2. Preferable oxalate, for example, includes oxalate of CO, Fe or Mn having 10 or more acicular ration, less than 1μ of short axis diameter. 7%-aqueous oxalic acid solution and 1%-aqueous cobalt chloride are, for example, reacted at room temperature. Binder of vinyl chloride-acetate vinyl compolymer or the like at solvent are mixed with cobalt oxalate of 30 of acicular ratio and 22μ of long axis thus obtained as above. The layer 3 is formed by coating this is thickness of 3μ on the back of polyethylene terephthalate film 1 of 8μ thick formed with magnetic recording layer 2 of 3μ thick on one side, and is then treated by calender. Then, it is cut to produce a video tape.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13508577A JPS5851327B2 (en) | 1977-11-10 | 1977-11-10 | magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13508577A JPS5851327B2 (en) | 1977-11-10 | 1977-11-10 | magnetic recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5467700A true JPS5467700A (en) | 1979-05-31 |
| JPS5851327B2 JPS5851327B2 (en) | 1983-11-16 |
Family
ID=15143471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13508577A Expired JPS5851327B2 (en) | 1977-11-10 | 1977-11-10 | magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5851327B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57179943A (en) * | 1981-04-27 | 1982-11-05 | Tdk Corp | High-density magnetic recording medium |
| CN101781186A (en) * | 2009-01-21 | 2010-07-21 | 尤米科尔公司 | Cobalt oxalate powder and its application for producing co powder with superior cold compression and sintering characters |
| CN105017523A (en) * | 2015-07-29 | 2015-11-04 | 苏州荣昌复合材料有限公司 | Magnetic-adsorption nylon material |
-
1977
- 1977-11-10 JP JP13508577A patent/JPS5851327B2/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57179943A (en) * | 1981-04-27 | 1982-11-05 | Tdk Corp | High-density magnetic recording medium |
| CN101781186A (en) * | 2009-01-21 | 2010-07-21 | 尤米科尔公司 | Cobalt oxalate powder and its application for producing co powder with superior cold compression and sintering characters |
| CN105017523A (en) * | 2015-07-29 | 2015-11-04 | 苏州荣昌复合材料有限公司 | Magnetic-adsorption nylon material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5851327B2 (en) | 1983-11-16 |
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