NL148431B - Werkwijze ter bereiding van gestabiliseerde sub-micron ijzerdeeltjes. - Google Patents

Werkwijze ter bereiding van gestabiliseerde sub-micron ijzerdeeltjes.

Info

Publication number
NL148431B
NL148431B NL717103819A NL7103819A NL148431B NL 148431 B NL148431 B NL 148431B NL 717103819 A NL717103819 A NL 717103819A NL 7103819 A NL7103819 A NL 7103819A NL 148431 B NL148431 B NL 148431B
Authority
NL
Netherlands
Prior art keywords
iron particles
preparing stabilized
micron iron
stabilized sub
sub
Prior art date
Application number
NL717103819A
Other languages
English (en)
Other versions
NL7103819A (nl
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of NL7103819A publication Critical patent/NL7103819A/xx
Publication of NL148431B publication Critical patent/NL148431B/nl

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)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
NL717103819A 1970-04-23 1971-03-22 Werkwijze ter bereiding van gestabiliseerde sub-micron ijzerdeeltjes. NL148431B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3137570A 1970-04-23 1970-04-23

Publications (2)

Publication Number Publication Date
NL7103819A NL7103819A (nl) 1971-10-26
NL148431B true NL148431B (nl) 1976-01-15

Family

ID=21859104

Family Applications (1)

Application Number Title Priority Date Filing Date
NL717103819A NL148431B (nl) 1970-04-23 1971-03-22 Werkwijze ter bereiding van gestabiliseerde sub-micron ijzerdeeltjes.

Country Status (5)

Country Link
US (1) US3634063A (nl)
BE (1) BE766054A (nl)
FR (1) FR2089963A5 (nl)
GB (1) GB1293509A (nl)
NL (1) NL148431B (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2434058C2 (de) * 1974-07-16 1985-12-19 Basf Ag, 6700 Ludwigshafen Nadelförmige, vorwiegend aus Eisen bestehende ferromagnetische Metallteilchen und Verfahren zu ihrer Herstellung
IT1026663B (it) * 1974-11-29 1978-10-20 Montedison Spa Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica
JPS5980901A (ja) * 1982-11-01 1984-05-10 Fuji Photo Film Co Ltd 強磁性金属粉末の製造法
US6955094B1 (en) * 2003-07-18 2005-10-18 Cleveland Medical Devices Inc. Sensor for measuring shear forces

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206338A (en) * 1963-05-10 1965-09-14 Du Pont Non-pyrophoric, ferromagnetic acicular particles and their preparation
US3520676A (en) * 1968-05-28 1970-07-14 Eastman Kodak Co Stabilization of pyrophoric metal powder
US3535104A (en) * 1969-05-23 1970-10-20 Du Pont Ferromagnetic particles containing chromium

Also Published As

Publication number Publication date
NL7103819A (nl) 1971-10-26
FR2089963A5 (nl) 1972-01-07
DE2118117A1 (de) 1971-11-04
DE2118117B2 (de) 1972-09-21
BE766054A (fr) 1971-09-16
GB1293509A (en) 1972-10-18
US3634063A (en) 1972-01-11

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Legal Events

Date Code Title Description
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: AMPEX

V4 Discontinued because of reaching the maximum lifetime of a patent