JPS6323139B2 - - Google Patents

Info

Publication number
JPS6323139B2
JPS6323139B2 JP57148966A JP14896682A JPS6323139B2 JP S6323139 B2 JPS6323139 B2 JP S6323139B2 JP 57148966 A JP57148966 A JP 57148966A JP 14896682 A JP14896682 A JP 14896682A JP S6323139 B2 JPS6323139 B2 JP S6323139B2
Authority
JP
Japan
Prior art keywords
iron oxide
cobalt
magnetic iron
magnetic
treatment
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
JP57148966A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5939729A (ja
Inventor
Kazuo Nakada
Tsuneo Ishikawa
Ichiro Pponma
Arata Koyama
Masaharu Hirai
Masatoshi Amano
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.)
Ishihara Sangyo Kaisha Ltd
Original Assignee
Ishihara Sangyo Kaisha 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 Ishihara Sangyo Kaisha Ltd filed Critical Ishihara Sangyo Kaisha Ltd
Priority to JP57148966A priority Critical patent/JPS5939729A/ja
Priority to AU91435/82A priority patent/AU555302B2/en
Priority to CA000417672A priority patent/CA1181234A/en
Priority to US06/449,692 priority patent/US4486467A/en
Priority to FR8221414A priority patent/FR2519183B1/fr
Priority to GB08236662A priority patent/GB2118532B/en
Priority to KR8205766A priority patent/KR870001378B1/ko
Priority to DE19823247835 priority patent/DE3247835A1/de
Priority to NLAANVRAGE8204988,A priority patent/NL187804C/xx
Publication of JPS5939729A publication Critical patent/JPS5939729A/ja
Publication of JPS6323139B2 publication Critical patent/JPS6323139B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hard Magnetic Materials (AREA)
JP57148966A 1981-12-25 1982-08-27 コバルト含有磁性酸化鉄粉末の製造方法 Granted JPS5939729A (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP57148966A JPS5939729A (ja) 1982-08-27 1982-08-27 コバルト含有磁性酸化鉄粉末の製造方法
AU91435/82A AU555302B2 (en) 1981-12-25 1982-12-13 Cobalt containing iron oxide powder
CA000417672A CA1181234A (en) 1981-12-25 1982-12-14 Process for producing cobalt-containing magnetic iron oxide powder
US06/449,692 US4486467A (en) 1981-12-25 1982-12-14 Process for producing cobalt-containing magnetic iron oxide powder
FR8221414A FR2519183B1 (fr) 1981-12-25 1982-12-21 Procede de preparation d'une poudre d'oxyde de fer magnetique contenant du cobalt
GB08236662A GB2118532B (en) 1981-12-25 1982-12-23 Process for producing cobalt-containing magnetic iron oxide powder
KR8205766A KR870001378B1 (ko) 1981-12-25 1982-12-23 코발트 함유 자기 산화철 분말의 제조방법
DE19823247835 DE3247835A1 (de) 1981-12-25 1982-12-23 Verfahren zur herstellung eines kobalthaltigen magnetischen eisenoxidpulvers und nach dem verfahren hergestelltes kobalthaltiges magnetisches eisenoxidpulver
NLAANVRAGE8204988,A NL187804C (nl) 1981-12-25 1982-12-24 Werkwijze ter bereiding van een fosfor en kobalt bevattend magnetisch ijzeroxydepoeder, alsmede magnetisch registratiemedium voorzien van een bekleding, die magnetisch ijzeroxydepoeder bevat, dat verkregen is volgens deze werkwijze.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57148966A JPS5939729A (ja) 1982-08-27 1982-08-27 コバルト含有磁性酸化鉄粉末の製造方法

Publications (2)

Publication Number Publication Date
JPS5939729A JPS5939729A (ja) 1984-03-05
JPS6323139B2 true JPS6323139B2 (https=) 1988-05-14

Family

ID=15464642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57148966A Granted JPS5939729A (ja) 1981-12-25 1982-08-27 コバルト含有磁性酸化鉄粉末の製造方法

Country Status (1)

Country Link
JP (1) JPS5939729A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0386841U (https=) * 1989-12-26 1991-09-03
JPH0546106U (ja) * 1991-11-12 1993-06-18 日本アンテナ株式会社 車載用アンテナ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0386841U (https=) * 1989-12-26 1991-09-03
JPH0546106U (ja) * 1991-11-12 1993-06-18 日本アンテナ株式会社 車載用アンテナ装置

Also Published As

Publication number Publication date
JPS5939729A (ja) 1984-03-05

Similar Documents

Publication Publication Date Title
JPS6323137B2 (https=)
JPS6323139B2 (https=)
US4501774A (en) Process for the production of cobalt-containing magnetic iron oxide powder
US4686142A (en) Process for the production of iron oxides epitaxially coated with cobalt the coated oxides and their cue
KR870001378B1 (ko) 코발트 함유 자기 산화철 분말의 제조방법
JPS6323138B2 (https=)
JPS6135135B2 (https=)
JP3337046B2 (ja) コバルトと鉄とを主成分とする紡錘状金属磁性粒子粉末及びその製造法
US5609789A (en) Cobalt-containing magnetic iron oxide and process for producing the same
JPH0270003A (ja) 強磁性鉄粉の処理方法
JPH0633116A (ja) 磁気記録媒体用強磁性金属粉末及びその製造方法
JPS6135132B2 (https=)
JPS6242858B2 (https=)
JPS6132259B2 (https=)
JPS6411573B2 (https=)
JPS5935404A (ja) コバルト被着磁性酸化鉄粉末の製造方法
JPS639734B2 (https=)
JPH02222464A (ja) 磁性酸化鉄の製造方法及びそれから得られる顔料
JPS6242857B2 (https=)
JPH026805B2 (https=)
JP2660714B2 (ja) コバルト含有強磁性酸化鉄粉末の製造方法
JPS63140005A (ja) 強磁性金属微粒子粉末の製造法
JPS6132257B2 (https=)
JPS6132258B2 (https=)
JPH0114176B2 (https=)