JPS52134858A - Method of making magnetic recording magnetic powder containing iron as main constituent - Google Patents
Method of making magnetic recording magnetic powder containing iron as main constituentInfo
- Publication number
- JPS52134858A JPS52134858A JP5179576A JP5179576A JPS52134858A JP S52134858 A JPS52134858 A JP S52134858A JP 5179576 A JP5179576 A JP 5179576A JP 5179576 A JP5179576 A JP 5179576A JP S52134858 A JPS52134858 A JP S52134858A
- Authority
- JP
- Japan
- Prior art keywords
- powder containing
- containing iron
- main constituent
- magnetic recording
- magnetic powder
- 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
- 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 true JPS52134858A (en) | 1977-11-11 |
JPS5729523B2 JPS5729523B2 (en) | 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 (en) |
Cited By (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 |
JPS5625904A (en) * | 1979-08-07 | 1981-03-12 | Hitachi Maxell Ltd | Ferromagnetic powder and its preparation |
JPS5625901A (en) * | 1979-08-07 | 1981-03-12 | Hitachi Maxell Ltd | Ferromagnetic powder and its preparation |
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 |
US4342589A (en) * | 1980-02-05 | 1982-08-03 | Mitsui Toatsu Chemicals, Inc. | Process for preparing iron compound particles for use in magnetic recording |
JPS5819733A (en) * | 1981-07-28 | 1983-02-04 | Toshiba Corp | Magnetic recording medium and its manufacture |
JPS59207024A (en) * | 1983-05-10 | 1984-11-24 | Konishiroku Photo Ind Co Ltd | Magnetic recording medium |
JPS60135506A (en) * | 1983-12-22 | 1985-07-18 | Toyo Soda Mfg Co Ltd | Production of ferromagnetic metallic powder |
JPS60181210A (en) * | 1984-02-27 | 1985-09-14 | Fuji Photo Film Co Ltd | Manufacture of ferromagnetic metallic powder |
JPS619503A (en) * | 1984-06-22 | 1986-01-17 | Kanto Denka Kogyo Kk | Manufacture of magnetic metallic powder |
JPS6126518A (en) * | 1984-07-13 | 1986-02-05 | Ube Ind Ltd | Method for producing granular iron oxyhydroxide particles |
JPS61160905A (en) * | 1985-01-09 | 1986-07-21 | Hitachi Maxell Ltd | Magnetic metal powder |
JPS63103423A (en) * | 1986-10-20 | 1988-05-09 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS63109105A (en) * | 1986-10-25 | 1988-05-13 | Chisso Corp | Production of fine ferromagnetic metal particle |
JPH01257309A (en) * | 1988-04-07 | 1989-10-13 | Tdk Corp | Magnetic powder for magnetic recording medium and manufacture thereof |
JPH02175806A (en) * | 1988-12-27 | 1990-07-09 | Ishihara Sangyo Kaisha Ltd | Manufacture of metal magnetic powder for magnetic recorder |
JPH03116414A (en) * | 1990-08-31 | 1991-05-17 | Konica Corp | Magnetic recording medium |
JPH03150721A (en) * | 1990-09-21 | 1991-06-27 | Konica Corp | Magnetic recording medium |
JPH04183803A (en) * | 1990-11-16 | 1992-06-30 | Mitsui Mining & Smelting Co Ltd | Magnetic metal powder for magnetic recording |
EP0535813A2 (en) * | 1991-10-01 | 1993-04-07 | Mitsui Mining & Smelting Co., Ltd. | Process for the preparation of acicular alpha-iron oxide hydrate |
CN107570723A (en) * | 2017-08-10 | 2018-01-12 | 湖南工业大学 | Method for producing superfine cobalt powder for hard alloy by fluidized reduction of cobalt carbonate and production system thereof |
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 (en) * | 1971-12-30 | 1973-10-24 | ||
JPS51106670A (en) * | 1975-03-17 | 1976-09-21 | Hitachi Ltd | |
JPS51106669A (en) * | 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/en 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 (en) * | 1971-12-30 | 1973-10-24 | ||
JPS51106670A (en) * | 1975-03-17 | 1976-09-21 | Hitachi Ltd | |
JPS51106669A (en) * | 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 |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS622002B2 (en) * | 1978-11-25 | 1987-01-17 | Hitachi Maxell | |
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 |
JPS5625904A (en) * | 1979-08-07 | 1981-03-12 | Hitachi Maxell Ltd | Ferromagnetic powder and its preparation |
JPS5625901A (en) * | 1979-08-07 | 1981-03-12 | Hitachi Maxell Ltd | Ferromagnetic powder and its preparation |
US4342589A (en) * | 1980-02-05 | 1982-08-03 | Mitsui Toatsu Chemicals, Inc. | Process for preparing iron compound particles for use in magnetic recording |
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 |
JPH0152442B2 (en) * | 1981-01-10 | 1989-11-08 | Hitachi Maxell | |
JPS6250889B2 (en) * | 1981-07-28 | 1987-10-27 | Tokyo Shibaura Electric Co | |
JPS5819733A (en) * | 1981-07-28 | 1983-02-04 | Toshiba Corp | Magnetic recording medium and its manufacture |
JPS59207024A (en) * | 1983-05-10 | 1984-11-24 | Konishiroku Photo Ind Co Ltd | Magnetic recording medium |
JPS6322366B2 (en) * | 1983-05-10 | 1988-05-11 | Konika Kk | |
JPS60135506A (en) * | 1983-12-22 | 1985-07-18 | Toyo Soda Mfg Co Ltd | Production of ferromagnetic metallic powder |
JPH0368923B2 (en) * | 1983-12-22 | 1991-10-30 | Tosoh Corp | |
JPS60181210A (en) * | 1984-02-27 | 1985-09-14 | Fuji Photo Film Co Ltd | Manufacture of ferromagnetic metallic powder |
JPS619503A (en) * | 1984-06-22 | 1986-01-17 | Kanto Denka Kogyo Kk | Manufacture of magnetic metallic powder |
JPH0343323B2 (en) * | 1984-06-22 | 1991-07-02 | Kanto Denka Kogyo Kk | |
JPS6126518A (en) * | 1984-07-13 | 1986-02-05 | Ube Ind Ltd | Method for producing granular iron oxyhydroxide particles |
JPS61160905A (en) * | 1985-01-09 | 1986-07-21 | Hitachi Maxell Ltd | Magnetic metal powder |
JPH0578926B2 (en) * | 1985-01-09 | 1993-10-29 | Hitachi Maxell | |
JPS63103423A (en) * | 1986-10-20 | 1988-05-09 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPH0610860B2 (en) * | 1986-10-20 | 1994-02-09 | 富士写真フイルム株式会社 | Magnetic recording medium |
JPH0217603B2 (en) * | 1986-10-25 | 1990-04-23 | Chisso Corp | |
JPS63109105A (en) * | 1986-10-25 | 1988-05-13 | Chisso Corp | Production of fine ferromagnetic metal particle |
JPH01257309A (en) * | 1988-04-07 | 1989-10-13 | Tdk Corp | Magnetic powder for magnetic recording medium and manufacture thereof |
JPH02175806A (en) * | 1988-12-27 | 1990-07-09 | Ishihara Sangyo Kaisha Ltd | Manufacture of metal magnetic powder for magnetic recorder |
JPH03116414A (en) * | 1990-08-31 | 1991-05-17 | Konica Corp | Magnetic recording medium |
JPH03150721A (en) * | 1990-09-21 | 1991-06-27 | Konica Corp | Magnetic recording medium |
JPH04183803A (en) * | 1990-11-16 | 1992-06-30 | Mitsui Mining & Smelting Co Ltd | Magnetic metal powder for magnetic recording |
EP0535813A2 (en) * | 1991-10-01 | 1993-04-07 | Mitsui Mining & Smelting Co., Ltd. | Process for the preparation of acicular alpha-iron oxide hydrate |
EP0535813A3 (en) * | 1991-10-01 | 1993-12-29 | Mitsui Mining & Smelting Co | Process for the preparation of acicular alpha-iron oxide hydrate |
US5508017A (en) * | 1991-10-01 | 1996-04-16 | Mitsui Mining & Smelting Co., Ltd. | Process for the preparation of acicular α-iron oxide hydrate |
CN107570723A (en) * | 2017-08-10 | 2018-01-12 | 湖南工业大学 | Method for producing superfine cobalt powder for hard alloy by fluidized reduction of cobalt carbonate and production system thereof |
CN107570723B (en) * | 2017-08-10 | 2019-12-03 | 湖南工业大学 | Method for producing superfine cobalt powder for hard alloy by fluidized reduction of cobalt carbonate and production system thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS5729523B2 (en) | 1982-06-23 |
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