JPS58161927A - 磁性粉末の製法 - Google Patents

磁性粉末の製法

Info

Publication number
JPS58161927A
JPS58161927A JP57045197A JP4519782A JPS58161927A JP S58161927 A JPS58161927 A JP S58161927A JP 57045197 A JP57045197 A JP 57045197A JP 4519782 A JP4519782 A JP 4519782A JP S58161927 A JPS58161927 A JP S58161927A
Authority
JP
Japan
Prior art keywords
magnetic powder
suspension
particles
manufacture
coercive force
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
JP57045197A
Other languages
English (en)
Japanese (ja)
Other versions
JPH034489B2 (cs
Inventor
Masataka Kitagawa
北川　正隆
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP57045197A priority Critical patent/JPS58161927A/ja
Publication of JPS58161927A publication Critical patent/JPS58161927A/ja
Publication of JPH034489B2 publication Critical patent/JPH034489B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP57045197A 1982-03-19 1982-03-19 磁性粉末の製法 Granted JPS58161927A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57045197A JPS58161927A (ja) 1982-03-19 1982-03-19 磁性粉末の製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57045197A JPS58161927A (ja) 1982-03-19 1982-03-19 磁性粉末の製法

Publications (2)

Publication Number Publication Date
JPS58161927A true JPS58161927A (ja) 1983-09-26
JPH034489B2 JPH034489B2 (cs) 1991-01-23

Family

ID=12712540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57045197A Granted JPS58161927A (ja) 1982-03-19 1982-03-19 磁性粉末の製法

Country Status (1)

Country Link
JP (1) JPS58161927A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6374921A (ja) * 1986-09-13 1988-04-05 戸田工業株式会社 磁性酸化鉄顔料及びその製造法
US5039553A (en) * 1989-04-04 1991-08-13 Showa Denko K.K. Mixed batchwise and continuous process for the production of cobalt modified magnetic iron oxide powder for use in high density recording

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124297A (en) * 1978-03-20 1979-09-27 Fuji Photo Film Co Ltd Ferromagnetic powder
JPS56104721A (en) * 1980-01-22 1981-08-20 Tdk Corp Preparation of magnetic powder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124297A (en) * 1978-03-20 1979-09-27 Fuji Photo Film Co Ltd Ferromagnetic powder
JPS56104721A (en) * 1980-01-22 1981-08-20 Tdk Corp Preparation of magnetic powder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6374921A (ja) * 1986-09-13 1988-04-05 戸田工業株式会社 磁性酸化鉄顔料及びその製造法
US5039553A (en) * 1989-04-04 1991-08-13 Showa Denko K.K. Mixed batchwise and continuous process for the production of cobalt modified magnetic iron oxide powder for use in high density recording

Also Published As

Publication number Publication date
JPH034489B2 (cs) 1991-01-23

Similar Documents

Publication Publication Date Title
JPS59130407A (ja) 磁気信号記録用針状フエリ磁性酸化鉄粒子
JPS58161927A (ja) 磁性粉末の製法
JPH059922B2 (cs)
JPS59107924A (ja) コバルト含有磁性酸化鉄粉末の製造方法
JP2937211B2 (ja) 針状磁性酸化鉄粒子粉末の製造法
JPS6122604A (ja) 磁性金属粉末およびその製造方法
EP0076462B2 (en) Method of production of magnetic particles
JPH0121089B2 (cs)
JPS5891039A (ja) 磁気記録材料用針状α−ＦｅＯＯＨの製造方法
JPH0467690B2 (cs)
JPS6129122B2 (cs)
JPS58161725A (ja) 磁性金属鉄粉の製造法
JPS6242858B2 (cs)
JP2970706B2 (ja) 針状磁性酸化鉄粒子粉末の製造法
JP2958370B2 (ja) 複合フェライト磁性粉の製造方法
JPS60157718A (ja) 磁気記録媒体
JPS58161709A (ja) 磁性金属鉄粉の製造法
JPS6163921A (ja) 磁性粉末およびその製造方法
JP2958369B2 (ja) 複合フェライト磁性粉の製造方法
JPS58126907A (ja) 鉄又は鉄を主成分とする磁性金属粉末の製造方法
JP2935292B2 (ja) 針状磁性酸化鉄粒子粉末の製造法
KR940005273B1 (ko) 자기기록용 산화철 제조방법
JP2970699B2 (ja) 針状磁性酸化鉄粒子粉末の製造法
JPH01168801A (ja) 金属磁性粉末の製造方法
JPH0459619A (ja) 磁気記録用磁性粉および磁気記録媒体