JPS6149251B2 - - Google Patents
Info
- Publication number
- JPS6149251B2 JPS6149251B2 JP51052985A JP5298576A JPS6149251B2 JP S6149251 B2 JPS6149251 B2 JP S6149251B2 JP 51052985 A JP51052985 A JP 51052985A JP 5298576 A JP5298576 A JP 5298576A JP S6149251 B2 JPS6149251 B2 JP S6149251B2
- Authority
- JP
- Japan
- Prior art keywords
- cobalt
- particles
- acicular
- ferric oxide
- modified
- 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.)
- Expired
Links
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5298576A JPS52135895A (en) | 1976-05-09 | 1976-05-09 | Process for preparing cobaltt modified acicular crystal magnetic ironoxide particle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5298576A JPS52135895A (en) | 1976-05-09 | 1976-05-09 | Process for preparing cobaltt modified acicular crystal magnetic ironoxide particle |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52135895A JPS52135895A (en) | 1977-11-14 |
JPS6149251B2 true JPS6149251B2 (en]) | 1986-10-28 |
Family
ID=12930194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5298576A Granted JPS52135895A (en) | 1976-05-09 | 1976-05-09 | Process for preparing cobaltt modified acicular crystal magnetic ironoxide particle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52135895A (en]) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2815712A1 (de) * | 1978-04-12 | 1979-10-25 | Bayer Ag | Eisenoxide zur magnetischen signalaufzeichnung und verfahren zu deren herstellung |
JPS55149137A (en) * | 1979-05-11 | 1980-11-20 | Tdk Corp | High performance high coercive force powder and its manufacture |
JPS6048885B2 (ja) * | 1981-10-01 | 1985-10-30 | 工業技術院長 | 磁気記録媒体 |
US4501774A (en) * | 1981-10-12 | 1985-02-26 | Ishihara Sangyo Kaisha, Ltd. | Process for the production of cobalt-containing magnetic iron oxide powder |
JPS5867954U (ja) * | 1981-10-30 | 1983-05-09 | いすゞ自動車株式会社 | デイ−ゼルエンジンの排気還流制御装置 |
AU555302B2 (en) * | 1981-12-25 | 1986-09-18 | Ishihara Sangyo Kaisha Ltd. | Cobalt containing iron oxide powder |
JPH0628205B2 (ja) * | 1982-02-13 | 1994-04-13 | 日立マクセル株式会社 | 磁気記録媒体の製造方法 |
JPH0616446B2 (ja) * | 1985-04-03 | 1994-03-02 | ソニー株式会社 | 金属磁性粉末の製造方法 |
DE3516885A1 (de) * | 1985-05-10 | 1986-11-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung nadelfoermiger, kobalthaltiger ferrimagnetischer eisenoxide |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1587959A (en]) * | 1967-11-25 | 1970-04-03 | ||
JPS5224238B2 (en]) * | 1972-11-24 | 1977-06-29 |
-
1976
- 1976-05-09 JP JP5298576A patent/JPS52135895A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS52135895A (en) | 1977-11-14 |
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