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 constituent

Info

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
Application number
JP5179576A
Other languages
Japanese (ja)
Other versions
JPS5729523B2 (en
Inventor
Shintarou Suzuki
Soukichi Kogure
Yoshimi Moriya
Masaru Kanou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kanto Denka Kogyo Co Ltd
Original Assignee
Kanto Denka Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kanto Denka Kogyo Co Ltd filed Critical Kanto Denka Kogyo Co Ltd
Priority to JP5179576A priority Critical patent/JPS52134858A/en
Publication of JPS52134858A publication Critical patent/JPS52134858A/en
Publication of JPS5729523B2 publication Critical patent/JPS5729523B2/ja
Granted legal-status Critical Current

Links

JP5179576A 1976-05-07 1976-05-07 Method of making magnetic recording magnetic powder containing iron as main constituent Granted JPS52134858A (en)

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)

* Cited by examiner, † Cited by third party
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
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 Preparation of granular iron oxyhydroxide particle
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)

* Cited by examiner, † Cited by third party
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
JPS51106669A (en) * 1975-03-17 1976-09-21 Hitachi Ltd
JPS51106670A (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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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
JPS51106669A (en) * 1975-03-17 1976-09-21 Hitachi Ltd
JPS51106670A (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)

* Cited by examiner, † Cited by third party
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
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
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 Preparation of granular iron oxyhydroxide particle
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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