JPS5729523B2 - - Google Patents
Info
- Publication number
- JPS5729523B2 JPS5729523B2 JP5179576A JP5179576A JPS5729523B2 JP S5729523 B2 JPS5729523 B2 JP S5729523B2 JP 5179576 A JP5179576 A JP 5179576A JP 5179576 A JP5179576 A JP 5179576A JP S5729523 B2 JPS5729523 B2 JP S5729523B2
- Authority
- JP
- Japan
- 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
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5179576A JPS52134858A (en) | 1976-05-07 | 1976-05-07 | Method of making magnetic recording magnetic powder containing iron as main constituent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5179576A JPS52134858A (en) | 1976-05-07 | 1976-05-07 | Method of making magnetic recording magnetic powder containing iron as main constituent |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52134858A JPS52134858A (en) | 1977-11-11 |
JPS5729523B2 true JPS5729523B2 (ja) | 1982-06-23 |
Family
ID=12896861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5179576A Granted JPS52134858A (en) | 1976-05-07 | 1976-05-07 | Method of making magnetic recording magnetic powder containing iron as main constituent |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52134858A (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5573803A (en) * | 1978-11-25 | 1980-06-03 | Hitachi Maxell Ltd | Production of magnetic alloy powder |
JPS5615470A (en) * | 1979-07-12 | 1981-02-14 | Mitsubishi Chem Ind | Modifying of silicon carbide fiber |
JPS5625901A (en) * | 1979-08-07 | 1981-03-12 | Hitachi Maxell Ltd | Ferromagnetic powder and its preparation |
JPS5625904A (en) * | 1979-08-07 | 1981-03-12 | Hitachi Maxell Ltd | Ferromagnetic powder and its preparation |
JPS56109827A (en) * | 1980-02-05 | 1981-08-31 | Mitsui Toatsu Chem Inc | Manufacture of iron compound particle for magnetic recording medium |
JPS56169304A (en) * | 1980-05-30 | 1981-12-26 | Mitsui Toatsu Chem Inc | Ferromagnetic metal iron corpuscle for magnetic recording |
JPS57116708A (en) * | 1981-01-10 | 1982-07-20 | Hitachi Maxell Ltd | Manufacture of metallic magnetic powder |
JPS5819733A (ja) * | 1981-07-28 | 1983-02-04 | Toshiba Corp | 磁気記録媒体及びその製造方法 |
JPS59207024A (ja) * | 1983-05-10 | 1984-11-24 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
JPS60135506A (ja) * | 1983-12-22 | 1985-07-18 | Toyo Soda Mfg Co Ltd | 強磁性金属粉末の製造法 |
JPS60181210A (ja) * | 1984-02-27 | 1985-09-14 | Fuji Photo Film Co Ltd | 強磁性金属粉末の製造方法 |
JPS619503A (ja) * | 1984-06-22 | 1986-01-17 | Kanto Denka Kogyo Kk | 金属磁性粉末を製造する方法 |
JPS6126518A (ja) * | 1984-07-13 | 1986-02-05 | Ube Ind Ltd | 粒状オキシ水酸化鉄粒子の製法 |
JPS61160905A (ja) * | 1985-01-09 | 1986-07-21 | Hitachi Maxell Ltd | 金属磁性粉末 |
JPH0610860B2 (ja) * | 1986-10-20 | 1994-02-09 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JPS63109105A (ja) * | 1986-10-25 | 1988-05-13 | Chisso Corp | 強磁性金属微粒子の製造方法 |
JPH01257309A (ja) * | 1988-04-07 | 1989-10-13 | Tdk Corp | 磁気記録媒体用磁性粉末とその製造方法 |
JPH02175806A (ja) * | 1988-12-27 | 1990-07-09 | Ishihara Sangyo Kaisha Ltd | 磁気記録用金属磁性粉末の製造方法 |
JPH0630138B2 (ja) * | 1990-08-31 | 1994-04-20 | コニカ株式会社 | 磁気記録媒体 |
JPH0630139B2 (ja) * | 1990-09-21 | 1994-04-20 | コニカ株式会社 | 磁気記録媒体 |
JPH0772283B2 (ja) * | 1990-11-16 | 1995-08-02 | 三井金属鉱業株式会社 | 磁気記録用磁性金属粉末 |
JPH0794325B2 (ja) * | 1991-10-01 | 1995-10-11 | 三井金属鉱業株式会社 | 針状α−オキシ水酸化鉄の製造方法 |
CN107570723B (zh) * | 2017-08-10 | 2019-12-03 | 湖南工业大学 | 一种碳酸钴流态化还原生产硬质合金用超细钴粉的方法及其生产系统 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB761451A (en) * | 1953-06-26 | 1956-11-14 | Gen Electric | Improvements in or relating to magnetic recording media |
GB1122637A (en) * | 1965-10-20 | 1968-08-07 | Wolfen Filmfab Veb | Process for the stabilisation of iron oxides containing water of constitution |
JPS4879153A (ja) * | 1971-12-30 | 1973-10-24 | ||
JPS51106669A (ja) * | 1975-03-17 | 1976-09-21 | Hitachi Ltd | |
JPS51106670A (ja) * | 1975-03-17 | 1976-09-21 | Hitachi Ltd | |
JPS529900A (en) * | 1975-07-15 | 1977-01-25 | Hitachi Ltd | Manufacturing method of ferromagnetic metallic powder |
JPS5230758A (en) * | 1975-09-05 | 1977-03-08 | Hitachi Ltd | Method to manufacture ferromagnetic matal poeder |
JPS52121799A (en) * | 1976-04-05 | 1977-10-13 | Toda Kogyo Corp | Method of manufacturing needleetype crystallalloy magneticcparticle powder |
JPS52122213A (en) * | 1976-04-05 | 1977-10-14 | Hitachi Ltd | Production of ferromagnetic metal powder |
-
1976
- 1976-05-07 JP JP5179576A patent/JPS52134858A/ja active Granted
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB761451A (en) * | 1953-06-26 | 1956-11-14 | Gen Electric | Improvements in or relating to magnetic recording media |
GB1122637A (en) * | 1965-10-20 | 1968-08-07 | Wolfen Filmfab Veb | Process for the stabilisation of iron oxides containing water of constitution |
JPS4879153A (ja) * | 1971-12-30 | 1973-10-24 | ||
JPS51106669A (ja) * | 1975-03-17 | 1976-09-21 | Hitachi Ltd | |
JPS51106670A (ja) * | 1975-03-17 | 1976-09-21 | Hitachi Ltd | |
JPS529900A (en) * | 1975-07-15 | 1977-01-25 | Hitachi Ltd | Manufacturing method of ferromagnetic metallic powder |
JPS5230758A (en) * | 1975-09-05 | 1977-03-08 | Hitachi Ltd | Method to manufacture ferromagnetic matal poeder |
JPS52121799A (en) * | 1976-04-05 | 1977-10-13 | Toda Kogyo Corp | Method of manufacturing needleetype crystallalloy magneticcparticle powder |
JPS52122213A (en) * | 1976-04-05 | 1977-10-14 | Hitachi Ltd | Production of ferromagnetic metal powder |
Also Published As
Publication number | Publication date |
---|---|
JPS52134858A (en) | 1977-11-11 |