JPH0341963B2 - - Google Patents

Info

Publication number
JPH0341963B2
JPH0341963B2 JP57115593A JP11559382A JPH0341963B2 JP H0341963 B2 JPH0341963 B2 JP H0341963B2 JP 57115593 A JP57115593 A JP 57115593A JP 11559382 A JP11559382 A JP 11559382A JP H0341963 B2 JPH0341963 B2 JP H0341963B2
Authority
JP
Japan
Prior art keywords
goethite
iron powder
acicular
magnetic
properties
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 - Lifetime
Application number
JP57115593A
Other languages
English (en)
Japanese (ja)
Other versions
JPS596502A (ja
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 filed Critical
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

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets 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
    • H01F1/04—Magnets 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
    • H01F1/06—Magnets 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
    • H01F1/065—Magnets 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 JPS596502A (ja) 1984-01-13
JPH0341963B2 true 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=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2732463B2 (ja) * 1988-01-07 1998-03-30 コニカ株式会社 磁気記録媒体

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5921922B2 (ja) * 1979-08-10 1984-05-23 戸田工業株式会社 針状晶Ｆｅ−Ｃｏ−Ｚｎ合金磁性粒子粉末の製造法
DE2935358A1 (de) * 1979-09-01 1981-03-26 Basf Ag, 67063 Ludwigshafen Verfahren zur herstellung nadelfoermiger ferromagnetischer eisenteilchen und deren verwendung
JPS5690904A (en) * 1979-12-25 1981-07-23 Mitsui Toatsu Chem Inc Production of ferromagnetic metal powder

Also Published As

Publication number Publication date
JPS596502A (ja) 1984-01-13

Similar Documents

Publication Publication Date Title
JPWO2008149785A1 (ja) 磁性酸化鉄粒子、磁性体、および電波吸収体
JPH0624062B2 (ja) 磁気記録媒体
JP3268830B2 (ja) 金属磁性粉末及びその製造方法
JPH0341963B2 (https=)
JPS5980901A (ja) 強磁性金属粉末の製造法
JPS5923505A (ja) 磁性粉末
JP2000302445A (ja) 紡錘状ゲータイト粒子粉末、紡錘状ヘマタイト粒子粉末、及び鉄を主成分とする紡錘状金属磁性粒子粉末、並びにそれらの製造法
KR0169491B1 (ko) 침상의 강자성 산화철분말, 침상의 자성 산화철분말 및, 이들의 제조방법
JPH02175806A (ja) 磁気記録用金属磁性粉末の製造方法
JPS6122604A (ja) 磁性金属粉末およびその製造方法
JPH08165501A (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
JP3328017B2 (ja) 垂直磁気異方性を有する針状六方晶系フェライト磁性粉の製造方法
JP2735885B2 (ja) 磁気記録用金属磁性粉末の製造方法
JPS6132259B2 (https=)
JP2925561B2 (ja) 紡錘形を呈した磁性酸化鉄粒子粉末
JP2001123207A (ja) 磁気記録用Ｆｅ及びＣｏを主成分とする紡錘状合金磁性粒子粉末の製造法
JPH0454362B2 (https=)
JPH0614486B2 (ja) 磁気記録用板状複合フェライト微粒子粉末及びその製造法
JP3087808B2 (ja) 磁気記録用磁性粒子粉末の製造法
JPS63140005A (ja) 強磁性金属微粒子粉末の製造法
JP3405748B2 (ja) 金属磁性粉末の製造方法
JPS59145706A (ja) 金属磁性粉末の製造方法
JPH0688796B2 (ja) 磁気記録用強磁性微粉末の製造方法
JP2746369B2 (ja) 磁気記録用磁性酸化鉄粉の製造方法
JPH01168801A (ja) 金属磁性粉末の製造方法