JPS5921529A - 磁気記録材料用磁性酸化鉄粒子粉末の製造法 - Google Patents

磁気記録材料用磁性酸化鉄粒子粉末の製造法

Info

Publication number
JPS5921529A
JPS5921529A JP57131839A JP13183982A JPS5921529A JP S5921529 A JPS5921529 A JP S5921529A JP 57131839 A JP57131839 A JP 57131839A JP 13183982 A JP13183982 A JP 13183982A JP S5921529 A JPS5921529 A JP S5921529A
Authority
JP
Japan
Prior art keywords
cobalt
particles
iron oxide
ferrous
magnetic
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
JP57131839A
Other languages
English (en)
Japanese (ja)
Other versions
JPS614776B2 (Direct
Inventor
Nariyasu Jikuhara
軸原　成泰
Hiroyuki Kondo
博之 近藤
Atsushi Takedoi
竹土井　篤
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 JP57131839A priority Critical patent/JPS5921529A/ja
Publication of JPS5921529A publication Critical patent/JPS5921529A/ja
Publication of JPS614776B2 publication Critical patent/JPS614776B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hard Magnetic Materials (AREA)
JP57131839A 1982-07-27 1982-07-27 磁気記録材料用磁性酸化鉄粒子粉末の製造法 Granted JPS5921529A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57131839A JPS5921529A (ja) 1982-07-27 1982-07-27 磁気記録材料用磁性酸化鉄粒子粉末の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57131839A JPS5921529A (ja) 1982-07-27 1982-07-27 磁気記録材料用磁性酸化鉄粒子粉末の製造法

Publications (2)

Publication Number Publication Date
JPS5921529A true JPS5921529A (ja) 1984-02-03
JPS614776B2 JPS614776B2 (Direct) 1986-02-13

Family

ID=15067301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57131839A Granted JPS5921529A (ja) 1982-07-27 1982-07-27 磁気記録材料用磁性酸化鉄粒子粉末の製造法

Country Status (1)

Country Link
JP (1) JPS5921529A (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4851258A (en) * 1987-01-21 1989-07-25 Showa Denko Kabushiki Kaisha Method for preparing magnetic particles for magnetic-recording media

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5615604B2 (ja) * 2010-06-30 2014-10-29 第一実業ビスウィル株式会社 チップｌｅｄ検査装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4851258A (en) * 1987-01-21 1989-07-25 Showa Denko Kabushiki Kaisha Method for preparing magnetic particles for magnetic-recording media

Also Published As

Publication number Publication date
JPS614776B2 (Direct) 1986-02-13

Similar Documents

Publication Publication Date Title
JPH0313647B2 (Direct)
JPS5921529A (ja) 磁気記録材料用磁性酸化鉄粒子粉末の製造法
US4487627A (en) Method for preparing ferromagnetic metal particles
JPS5923505A (ja) 磁性粉末
JPH0270003A (ja) 強磁性鉄粉の処理方法
JPH06151139A (ja) 磁気記録用磁性粒子粉末及びその製造法
JP3194294B2 (ja) 磁気記録媒体
JPS5939814B2 (ja) 磁気記録媒体の製造方法
JPS6051243B2 (ja) 磁気記録材料用磁性酸化鉄粒子粉末の製造法
JP2745306B2 (ja) 磁気記録用強磁性微粉末及びその製造方法
JPH04184903A (ja) 磁気記録用磁性粒子粉末の製造法
JP2897794B2 (ja) コバルト被着型磁性酸化鉄粒子粉末の製造法
JPS6132259B2 (Direct)
JP3417981B2 (ja) 磁気記録用磁性粒子粉末の製造法
JP2924929B2 (ja) 磁性塗料用材料の製造法
JP2989874B2 (ja) 磁気記録媒体
JPS62154228A (ja) 磁気記録媒体
JPH0521321B2 (Direct)
JPS59169937A (ja) 磁性粉末の製造方法
JPS61201626A (ja) 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法
JPS63103829A (ja) 針状磁性酸化鉄粒子粉末及びその製造法
JPS6238531A (ja) 磁気記録媒体
JPS6013973B2 (ja) 磁気記録材料用磁性酸化鉄粒子粉末の製造法
JPS62158301A (ja) 磁性粉末およびその製造方法
JPS6117425A (ja) 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法