JPS6457419A - Coating type magnetic medium - Google Patents
Coating type magnetic mediumInfo
- Publication number
- JPS6457419A JPS6457419A JP62213142A JP21314287A JPS6457419A JP S6457419 A JPS6457419 A JP S6457419A JP 62213142 A JP62213142 A JP 62213142A JP 21314287 A JP21314287 A JP 21314287A JP S6457419 A JPS6457419 A JP S6457419A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic powder
- acicular
- planar
- powder
- medium
- 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
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Abstract
PURPOSE:To improve the reproduced output characteristic of isolated waves and frequency characteristics by incorporating hexagonal planar ferrite magnetic powder having >=10 average planar ratio and specified acicular magnetic powder at specified ratios into a titled medium. CONSTITUTION:The hexagonal planar ferrite magnetic powder having >=10 average planar ratio and the acicular magnetic powder which has the coercive force corresponding to the 95-125% range of the coercive force of the planar ferrite magnetic powder, >=100emu/g powder saturation magnetization and >=3 average acicular ratio are incorporated in a 60:40-95:5 range into this medium. Fine acicular powder of iron alloys or iron nitride, etc., is usable as the acicular magnetic material to be used in conjunction with the planar ferrite magnetic powder. The coating type magnetic medium having the large reproduced output of the isolated waves and the excellent recording density characteristic is thereby obtd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62213142A JPS6457419A (en) | 1987-08-28 | 1987-08-28 | Coating type magnetic medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62213142A JPS6457419A (en) | 1987-08-28 | 1987-08-28 | Coating type magnetic medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6457419A true JPS6457419A (en) | 1989-03-03 |
Family
ID=16634271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62213142A Pending JPS6457419A (en) | 1987-08-28 | 1987-08-28 | Coating type magnetic medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6457419A (en) |
-
1987
- 1987-08-28 JP JP62213142A patent/JPS6457419A/en active Pending
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