JPS6242858B2 - - Google Patents

Info

Publication number
JPS6242858B2
JPS6242858B2 JP53129865A JP12986578A JPS6242858B2 JP S6242858 B2 JPS6242858 B2 JP S6242858B2 JP 53129865 A JP53129865 A JP 53129865A JP 12986578 A JP12986578 A JP 12986578A JP S6242858 B2 JPS6242858 B2 JP S6242858B2
Authority
JP
Japan
Prior art keywords
cobalt
magnetic powder
iron oxide
salt
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.)
Expired
Application number
JP53129865A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5556019A (en
Inventor
Susumu Kitaoka
Haruo Ando
Toshinobu Sueyoshi
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP12986578A priority Critical patent/JPS5556019A/ja
Publication of JPS5556019A publication Critical patent/JPS5556019A/ja
Publication of JPS6242858B2 publication Critical patent/JPS6242858B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP12986578A 1978-10-20 1978-10-20 Production of ferromagnetic powder Granted JPS5556019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12986578A JPS5556019A (en) 1978-10-20 1978-10-20 Production of ferromagnetic powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12986578A JPS5556019A (en) 1978-10-20 1978-10-20 Production of ferromagnetic powder

Publications (2)

Publication Number Publication Date
JPS5556019A JPS5556019A (en) 1980-04-24
JPS6242858B2 true JPS6242858B2 (enrdf_load_stackoverflow) 1987-09-10

Family

ID=15020184

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12986578A Granted JPS5556019A (en) 1978-10-20 1978-10-20 Production of ferromagnetic powder

Country Status (1)

Country Link
JP (1) JPS5556019A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029646B2 (ja) * 1981-01-20 1985-07-11 堺化学工業株式会社 磁性酸化鉄粉末の製造方法
JPS5888122A (ja) * 1981-11-20 1983-05-26 Ishihara Sangyo Kaisha Ltd コバルト含有強磁性酸化鉄の製造方法
JPS5832027A (ja) * 1981-07-28 1983-02-24 Ishihara Sangyo Kaisha Ltd コバルト含有酸化鉄強磁性粉末の製造方法
JPS6081026A (ja) * 1983-10-06 1985-05-09 Ishihara Sangyo Kaisha Ltd コバルト含有磁性酸化鉄の製造方法
JPH01194306A (ja) * 1988-01-29 1989-08-04 Sony Corp コバルト含有酸化鉄磁性粉末の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224237B2 (enrdf_load_stackoverflow) * 1972-11-24 1977-06-29
JPS5236751B2 (enrdf_load_stackoverflow) * 1973-08-07 1977-09-17
JPS5236863B2 (enrdf_load_stackoverflow) * 1973-08-07 1977-09-19
JPS53129895A (en) * 1977-04-20 1978-11-13 Hitachi Maxell Method of manufacturing ferromagnetic powder for magnetic recording
JPS5556605A (en) * 1978-10-20 1980-04-25 Hitachi Maxell Ltd Magnetic recording medium

Also Published As

Publication number Publication date
JPS5556019A (en) 1980-04-24

Similar Documents

Publication Publication Date Title
US4267207A (en) Process for producing cobalt-containing ferromagnetic iron oxide powder
KR880001711B1 (ko) 자성분말의 제조방법
JPS6242858B2 (enrdf_load_stackoverflow)
US4303699A (en) Method of manufacturing magnetic powder
JPS6331085B2 (enrdf_load_stackoverflow)
US4305752A (en) Metallic iron particles for magnetic recording
US4256484A (en) Metallic iron particles for magnetic recording
JPS6114642B2 (enrdf_load_stackoverflow)
JPS6132259B2 (enrdf_load_stackoverflow)
KR870001378B1 (ko) 코발트 함유 자기 산화철 분말의 제조방법
JPS6242857B2 (enrdf_load_stackoverflow)
JPS6334609B2 (enrdf_load_stackoverflow)
JP2660714B2 (ja) コバルト含有強磁性酸化鉄粉末の製造方法
JPS5854485B2 (ja) 金属磁性粉末と処理方法
JPS6149252B2 (enrdf_load_stackoverflow)
JPS5853495B2 (ja) 磁気記録媒体
JPH034489B2 (enrdf_load_stackoverflow)
JPS6323139B2 (enrdf_load_stackoverflow)
JPS5853494B2 (ja) 磁気記録用強磁性粉末の製造方法
JPS6187302A (ja) 磁気記録媒体の製法
JPH038083B2 (enrdf_load_stackoverflow)
JPH0147522B2 (enrdf_load_stackoverflow)
JPH0257321B2 (enrdf_load_stackoverflow)
JPS6132258B2 (enrdf_load_stackoverflow)
JPS639734B2 (enrdf_load_stackoverflow)