JPS596502A - 改良された強磁性鉄粉の製造方法 - Google Patents

改良された強磁性鉄粉の製造方法

Info

Publication number
JPS596502A
JPS596502A JP57115593A JP11559382A JPS596502A JP S596502 A JPS596502 A JP S596502A JP 57115593 A JP57115593 A JP 57115593A JP 11559382 A JP11559382 A JP 11559382A JP S596502 A JPS596502 A JP S596502A
Authority
JP
Japan
Prior art keywords
goethite
iron powder
acicular
magnetic
hematite
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
JP57115593A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0341963B2 (https=
Inventor
Junji Mikami
三上 純司
Hisanobu Hidaka
日高 久順
Toshinori Ishibashi
石橋 俊則
Kiyotake Morita
森田 潔武
Mitsuo Tanaka
光夫 田中
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP57115593A priority Critical patent/JPS596502A/ja
Publication of JPS596502A publication Critical patent/JPS596502A/ja
Publication of JPH0341963B2 publication Critical patent/JPH0341963B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/065Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder obtained by a reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Paints Or Removers (AREA)
JP57115593A 1982-07-05 1982-07-05 改良された強磁性鉄粉の製造方法 Granted JPS596502A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57115593A JPS596502A (ja) 1982-07-05 1982-07-05 改良された強磁性鉄粉の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57115593A JPS596502A (ja) 1982-07-05 1982-07-05 改良された強磁性鉄粉の製造方法

Publications (2)

Publication Number Publication Date
JPS596502A true JPS596502A (ja) 1984-01-13
JPH0341963B2 JPH0341963B2 (https=) 1991-06-25

Family

ID=14666441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57115593A Granted JPS596502A (ja) 1982-07-05 1982-07-05 改良された強磁性鉄粉の製造方法

Country Status (1)

Country Link
JP (1) JPS596502A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01178122A (ja) * 1988-01-07 1989-07-14 Konica Corp 磁気記録媒体

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625909A (en) * 1979-08-10 1981-03-12 Toda Kogyo Corp Preparation of magnetic grain powder consisting of needle crystal alloy of iron, cobalt and zinc
JPS5638405A (en) * 1979-09-01 1981-04-13 Basf Ag Production of needle like ferromagnetic iron particle
JPS5690904A (en) * 1979-12-25 1981-07-23 Mitsui Toatsu Chem Inc Production of ferromagnetic metal powder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625909A (en) * 1979-08-10 1981-03-12 Toda Kogyo Corp Preparation of magnetic grain powder consisting of needle crystal alloy of iron, cobalt and zinc
JPS5638405A (en) * 1979-09-01 1981-04-13 Basf Ag Production of needle like ferromagnetic iron particle
JPS5690904A (en) * 1979-12-25 1981-07-23 Mitsui Toatsu Chem Inc Production of ferromagnetic metal powder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01178122A (ja) * 1988-01-07 1989-07-14 Konica Corp 磁気記録媒体

Also Published As

Publication number Publication date
JPH0341963B2 (https=) 1991-06-25

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