JPS52135895A - Process for preparing cobaltt modified acicular crystal magnetic ironoxide particle - Google Patents

Process for preparing cobaltt modified acicular crystal magnetic ironoxide particle

Info

Publication number
JPS52135895A
JPS52135895A JP5298576A JP5298576A JPS52135895A JP S52135895 A JPS52135895 A JP S52135895A JP 5298576 A JP5298576 A JP 5298576A JP 5298576 A JP5298576 A JP 5298576A JP S52135895 A JPS52135895 A JP S52135895A
Authority
JP
Japan
Prior art keywords
cobaltt
ironoxide
particle
preparing
acicular crystal
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
JP5298576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6149251B2 (enrdf_load_stackoverflow
Inventor
Nanao Horiishi
Hisato Ihara
Hiroyuki Kondou
Hisahiko Kosaka
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.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo Corp
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 Toda Kogyo Corp filed Critical Toda Kogyo Corp
Priority to JP5298576A priority Critical patent/JPS52135895A/ja
Publication of JPS52135895A publication Critical patent/JPS52135895A/ja
Publication of JPS6149251B2 publication Critical patent/JPS6149251B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP5298576A 1976-05-09 1976-05-09 Process for preparing cobaltt modified acicular crystal magnetic ironoxide particle Granted JPS52135895A (en)

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 true JPS52135895A (en) 1977-11-14
JPS6149251B2 JPS6149251B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017525A1 (de) * 1979-05-11 1980-11-13 Tdk Electronics Co Ltd Verfahren zur herstellung von magnetpulver mit hoher koerzitivkraft
JPS5857709A (ja) * 1981-10-01 1983-04-06 Agency Of Ind Science & Technol 磁気記録媒体
FR2515412A1 (fr) * 1981-10-12 1983-04-29 Ishihara Mining & Chemical Co Procede de production de poudre d'oxyde de fer magnetique contenant du cobalt
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
FR2519183A1 (fr) * 1981-12-25 1983-07-01 Ishihara Mining & Chemical Co Procede de preparation d'une poudre d'oxyde de fer magnetique contenant du cobalt
JPS58139407A (ja) * 1982-02-13 1983-08-18 Hitachi Maxell Ltd 磁気記録媒体
JPS59130407A (ja) * 1978-04-12 1984-07-27 バイエル・アクチエンゲゼルシヤフト 磁気信号記録用針状フエリ磁性酸化鉄粒子
JPS61229305A (ja) * 1985-04-03 1986-10-13 Sony Corp 金属磁性粉末の製造方法
EP0201822A3 (en) * 1985-05-10 1989-03-22 Basf Aktiengesellschaft Process for the production of needle-shaped iron oxides containing cobalt

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652334A (en) * 1967-11-25 1972-03-28 Agfa Gevaert Ag Magnetic material and method of making the same
JPS4974400A (enrdf_load_stackoverflow) * 1972-11-24 1974-07-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652334A (en) * 1967-11-25 1972-03-28 Agfa Gevaert Ag Magnetic material and method of making the same
JPS4974400A (enrdf_load_stackoverflow) * 1972-11-24 1974-07-18

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59130407A (ja) * 1978-04-12 1984-07-27 バイエル・アクチエンゲゼルシヤフト 磁気信号記録用針状フエリ磁性酸化鉄粒子
DE3017525A1 (de) * 1979-05-11 1980-11-13 Tdk Electronics Co Ltd Verfahren zur herstellung von magnetpulver mit hoher koerzitivkraft
JPS5857709A (ja) * 1981-10-01 1983-04-06 Agency Of Ind Science & Technol 磁気記録媒体
FR2515412A1 (fr) * 1981-10-12 1983-04-29 Ishihara Mining & Chemical Co Procede de production de poudre d'oxyde de fer magnetique contenant du cobalt
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
FR2519183A1 (fr) * 1981-12-25 1983-07-01 Ishihara Mining & Chemical Co Procede de preparation d'une poudre d'oxyde de fer magnetique contenant du cobalt
JPS58139407A (ja) * 1982-02-13 1983-08-18 Hitachi Maxell Ltd 磁気記録媒体
JPS61229305A (ja) * 1985-04-03 1986-10-13 Sony Corp 金属磁性粉末の製造方法
EP0201822A3 (en) * 1985-05-10 1989-03-22 Basf Aktiengesellschaft Process for the production of needle-shaped iron oxides containing cobalt

Also Published As

Publication number Publication date
JPS6149251B2 (enrdf_load_stackoverflow) 1986-10-28

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