NL6803123A - - Google Patents

Info

Publication number
NL6803123A
NL6803123A NL6803123A NL6803123A NL6803123A NL 6803123 A NL6803123 A NL 6803123A NL 6803123 A NL6803123 A NL 6803123A NL 6803123 A NL6803123 A NL 6803123A NL 6803123 A NL6803123 A NL 6803123A
Authority
NL
Netherlands
Application number
NL6803123A
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 NL6803123A priority Critical patent/NL6803123A/xx
Priority to DE19691906531 priority patent/DE1906531C3/de
Priority to US802679*A priority patent/US3607219A/en
Priority to GB00765/69A priority patent/GB1204991A/en
Priority to CH318569A priority patent/CH515331A/de
Priority to BE729304D priority patent/BE729304A/xx
Priority to AT211969A priority patent/AT306763B/de
Priority to FR6905884A priority patent/FR2003248A1/fr
Publication of NL6803123A publication Critical patent/NL6803123A/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
    • G11B5/70615—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys containing Fe metal or alloys
    • 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)
  • Metallurgy (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Soft Magnetic Materials (AREA)
NL6803123A 1968-03-05 1968-03-05 NL6803123A (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL6803123A NL6803123A (fr) 1968-03-05 1968-03-05
DE19691906531 DE1906531C3 (de) 1968-03-05 1969-02-10 Verfahren zur Herstellung eines im wesentlichen aus Eisen bestehenden Metallpulvers für magnetische Aufzeichnung
US802679*A US3607219A (en) 1968-03-05 1969-02-26 Method of preparing a metal powder consisting at least substantially of iron for magnetic recording
GB00765/69A GB1204991A (en) 1968-03-05 1969-02-28 Method of preparing a metal powder consisting at least substantially of iron for magnetic recording
CH318569A CH515331A (de) 1968-03-05 1969-03-03 Verfahren zur Herstellung eines wenigstens im wesentlichen aus Eisen bestehenden Metallpulvers für magnetische Aufzeichnung
BE729304D BE729304A (fr) 1968-03-05 1969-03-03
AT211969A AT306763B (de) 1968-03-05 1969-03-04 Verfahren zur Herstellung eines wenigstens im wesentlichen aus Eisen bestehenden Metallpulvers für magnetische Aufzeichnung
FR6905884A FR2003248A1 (fr) 1968-03-05 1969-03-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6803123A NL6803123A (fr) 1968-03-05 1968-03-05

Publications (1)

Publication Number Publication Date
NL6803123A true NL6803123A (fr) 1969-09-09

Family

ID=19802944

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6803123A NL6803123A (fr) 1968-03-05 1968-03-05

Country Status (7)

Country Link
US (1) US3607219A (fr)
AT (1) AT306763B (fr)
BE (1) BE729304A (fr)
CH (1) CH515331A (fr)
FR (1) FR2003248A1 (fr)
GB (1) GB1204991A (fr)
NL (1) NL6803123A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922630B1 (fr) * 1970-06-23 1974-06-10
US4207092A (en) * 1977-03-03 1980-06-10 E. I. Du Pont De Nemours And Company Acicular α-iron particles, their preparation and recording media employing same
JPS5813008B2 (ja) * 1977-10-06 1983-03-11 日本ビクター株式会社 磁性鉄粉の製造方法
US4310349A (en) * 1979-02-02 1982-01-12 Ampex Corporation Highly orientable iron particles
US4316738A (en) * 1979-02-02 1982-02-23 Ampex Corporation Economical process for producing metal particles for magnetic recording
US4273807A (en) * 1979-03-19 1981-06-16 E. I. Du Pont De Nemours And Company Acicular α-iron particles and recording media employing same
US4318734A (en) * 1980-02-25 1982-03-09 Ampex Corporation Reduction of iron oxide utilizing dehydrating agent
JPS5980901A (ja) * 1982-11-01 1984-05-10 Fuji Photo Film Co Ltd 強磁性金属粉末の製造法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005701A (en) * 1957-10-15 1961-10-24 Bethlehem Steel Corp Method of making melting stock by direct reduction
US3347659A (en) * 1965-05-19 1967-10-17 Hydrocarbon Research Inc Process of reducing iron oxide

Also Published As

Publication number Publication date
DE1906531B2 (de) 1977-01-20
DE1906531A1 (de) 1969-10-02
BE729304A (fr) 1969-09-03
FR2003248A1 (fr) 1969-11-07
US3607219A (en) 1971-09-21
GB1204991A (en) 1970-09-09
AT306763B (de) 1973-04-25
CH515331A (de) 1971-11-15

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