DE2503772A1 - Verfahren zum herstellen magnetischer materialien - Google Patents

Verfahren zum herstellen magnetischer materialien

Info

Publication number
DE2503772A1
DE2503772A1 DE19752503772 DE2503772A DE2503772A1 DE 2503772 A1 DE2503772 A1 DE 2503772A1 DE 19752503772 DE19752503772 DE 19752503772 DE 2503772 A DE2503772 A DE 2503772A DE 2503772 A1 DE2503772 A1 DE 2503772A1
Authority
DE
Germany
Prior art keywords
magnetic
cobalt
particles
magnetic field
field
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.)
Pending
Application number
DE19752503772
Other languages
German (de)
English (en)
Inventor
Thomas Joseph Beaulieu
Michael Anthony Marchese
Franklin Theodore Plante
Robert Harold Tlaskal
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2503772A1 publication Critical patent/DE2503772A1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
DE19752503772 1974-03-11 1975-01-30 Verfahren zum herstellen magnetischer materialien Pending DE2503772A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/449,861 US3954520A (en) 1974-03-11 1974-03-11 Process for the production of magnetic materials

Publications (1)

Publication Number Publication Date
DE2503772A1 true DE2503772A1 (de) 1975-09-18

Family

ID=23785779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752503772 Pending DE2503772A1 (de) 1974-03-11 1975-01-30 Verfahren zum herstellen magnetischer materialien

Country Status (4)

Country Link
US (1) US3954520A (US07902200-20110308-C00004.png)
JP (1) JPS50140358A (US07902200-20110308-C00004.png)
DE (1) DE2503772A1 (US07902200-20110308-C00004.png)
FR (1) FR2264094B1 (US07902200-20110308-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621530A1 (de) * 1986-06-27 1988-01-07 Vmei Lenin Nis Verfahren zur herstellung von seltenerdelemenete enthaltenden magnetpulvern

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950722B2 (ja) * 1975-12-08 1984-12-10 ティーディーケイ株式会社 キヨウジセイキンゾクアルイハゴウキンリユウシノトクセイレツカボウシホウホウ
US20080182309A1 (en) * 2006-08-21 2008-07-31 Emtech, Llc Method and apparatus for magnetic fermentation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884319A (en) * 1956-11-27 1959-04-28 Budd Co Acicular metal particles from metal carbonyls and method of preparation
US3026215A (en) * 1960-03-09 1962-03-20 Fuji Photo Film Co Ltd Process of producing magnetic sound recording material in which co-ni-fe ferrite columnar particles are placed in a direct current magnetic field and oriented by means of an ultrasonic wave and afterwards heated and cooled in the direct current magnetic field
US3494760A (en) * 1967-09-28 1970-02-10 Burton Electrochem Co Inc Production of metal and alloy particles by chemical reduction
US3567525A (en) * 1968-06-25 1971-03-02 Du Pont Heat treated ferromagnetic particles
GB1272325A (en) * 1968-08-29 1972-04-26 Fuji Photo Film Co Ltd Process for the production of magnetic substances
US3661556A (en) * 1969-03-03 1972-05-09 Du Pont Method of making ferromagnetic metal powders
US3669643A (en) * 1970-05-05 1972-06-13 Bell Telephone Labor Inc Method for the preparation of small cobalt particles
US3756866A (en) * 1970-06-30 1973-09-04 Ibm Method and manufacturing magnetic alloy particles having selective coercivity
US3684484A (en) * 1970-06-30 1972-08-15 Ibm Method for production of metal alloy particles
US3726664A (en) * 1971-04-15 1973-04-10 Ibm Magnetic alloy particle compositions and method of manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621530A1 (de) * 1986-06-27 1988-01-07 Vmei Lenin Nis Verfahren zur herstellung von seltenerdelemenete enthaltenden magnetpulvern

Also Published As

Publication number Publication date
FR2264094A1 (US07902200-20110308-C00004.png) 1975-10-10
JPS50140358A (US07902200-20110308-C00004.png) 1975-11-11
US3954520A (en) 1976-05-04
FR2264094B1 (US07902200-20110308-C00004.png) 1978-02-03

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