JPS6149251B2 - - Google Patents

Info

Publication number
JPS6149251B2
JPS6149251B2 JP51052985A JP5298576A JPS6149251B2 JP S6149251 B2 JPS6149251 B2 JP S6149251B2 JP 51052985 A JP51052985 A JP 51052985A JP 5298576 A JP5298576 A JP 5298576A JP S6149251 B2 JPS6149251 B2 JP S6149251B2
Authority
JP
Japan
Prior art keywords
cobalt
particles
acicular
ferric oxide
modified
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
JP51052985A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52135895A (en
Inventor
Nanao Horiishi
Hisato Ihara
Hiroyuki Kondo
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 JPS52135895A (en) 1977-11-14
JPS6149251B2 true JPS6149251B2 (enExample) 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 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815712A1 (de) * 1978-04-12 1979-10-25 Bayer Ag Eisenoxide zur magnetischen signalaufzeichnung und verfahren zu deren herstellung
JPS55149137A (en) * 1979-05-11 1980-11-20 Tdk Corp High performance high coercive force powder and its manufacture
JPS6048885B2 (ja) * 1981-10-01 1985-10-30 工業技術院長 磁気記録媒体
US4501774A (en) * 1981-10-12 1985-02-26 Ishihara Sangyo Kaisha, Ltd. Process for the production of cobalt-containing magnetic iron oxide powder
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
AU555302B2 (en) * 1981-12-25 1986-09-18 Ishihara Sangyo Kaisha Ltd. Cobalt containing iron oxide powder
JPH0628205B2 (ja) * 1982-02-13 1994-04-13 日立マクセル株式会社 磁気記録媒体の製造方法
JPH0616446B2 (ja) * 1985-04-03 1994-03-02 ソニー株式会社 金属磁性粉末の製造方法
DE3516885A1 (de) * 1985-05-10 1986-11-13 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung nadelfoermiger, kobalthaltiger ferrimagnetischer eisenoxide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1587959A (enExample) * 1967-11-25 1970-04-03
JPS5224238B2 (enExample) * 1972-11-24 1977-06-29

Also Published As

Publication number Publication date
JPS52135895A (en) 1977-11-14

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