DE3567971D1 - Methods and arrangements for characterizing magnetic coating compositions as well as improving magnetic particle dispersions - Google Patents

Methods and arrangements for characterizing magnetic coating compositions as well as improving magnetic particle dispersions

Info

Publication number
DE3567971D1
DE3567971D1 DE8585107346T DE3567971T DE3567971D1 DE 3567971 D1 DE3567971 D1 DE 3567971D1 DE 8585107346 T DE8585107346 T DE 8585107346T DE 3567971 T DE3567971 T DE 3567971T DE 3567971 D1 DE3567971 D1 DE 3567971D1
Authority
DE
Germany
Prior art keywords
arrangements
methods
well
coating compositions
characterizing
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
Application number
DE8585107346T
Other languages
English (en)
Inventor
Arwed Dr Dipl Phys Brunsch
Werner Dipl Ing Steiner
Gerhard Dr Dipl Phys Trippel
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.)
IBM Deutschland GmbH
International Business Machines Corp
Original Assignee
IBM Deutschland GmbH
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 IBM Deutschland GmbH, International Business Machines Corp filed Critical IBM Deutschland GmbH
Application granted granted Critical
Publication of DE3567971D1 publication Critical patent/DE3567971D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/74—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Measuring Magnetic Variables (AREA)
  • Magnetic Record Carriers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
DE8585107346T 1985-06-13 1985-06-13 Methods and arrangements for characterizing magnetic coating compositions as well as improving magnetic particle dispersions Expired DE3567971D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85107346A EP0204860B1 (de) 1985-06-13 1985-06-13 Verfahren und Anordnungen zur Bestimmung der Eigenschaften magnetischer Beschichtungzusammensetzungen sowie zur Verbesserung magnetischer Partikeldispersionen

Publications (1)

Publication Number Publication Date
DE3567971D1 true DE3567971D1 (en) 1989-03-02

Family

ID=8193564

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585107346T Expired DE3567971D1 (en) 1985-06-13 1985-06-13 Methods and arrangements for characterizing magnetic coating compositions as well as improving magnetic particle dispersions

Country Status (5)

Country Link
US (1) US4785239A (de)
EP (1) EP0204860B1 (de)
JP (1) JPS62182680A (de)
CA (1) CA1267047A (de)
DE (1) DE3567971D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8408529D0 (en) * 1984-04-03 1984-05-16 Health Lab Service Board Concentration of biological particles
DE3687045D1 (de) * 1986-07-28 1992-12-03 Ibm Deutschland Verfahren und anordnung zur verbesserung der dispersion magnetischer partikel in magnetischer beschichtungsmasse.
US5001424A (en) * 1989-02-03 1991-03-19 Product Resources, Inc. Apparatus for measuring magnetic particles suspended in a fluid based on fluctuations in an induced voltage
US5444367A (en) * 1992-04-06 1995-08-22 Minister Of National Defence Method and apparatus for detecting particles in a fluid having coils isolated from external vibrations
US5554932A (en) * 1993-12-17 1996-09-10 Eastman Kodak Company Measurement of a saturation magnetic flux density through use of a rotating permanent magnet
US5527426A (en) * 1994-01-21 1996-06-18 Westvaco Corporation Magnetic deinking of waste papers
US10464132B2 (en) * 2013-05-24 2019-11-05 Toyota Jidosha Kabushiki Kaisha Permanent magnet source powder fabrication method, permanent magnet fabrication method, and permanent magnet raw material powder inspection method
BE1023946B1 (fr) * 2016-03-14 2017-09-19 Safran Aero Boosters Sa Capteur de particules dans un fluide d'un systeme de lubrification

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2215605A (en) * 1939-09-30 1940-09-24 Sperry Prod Inc Apparatus for testing metallic articles
US2894199A (en) * 1955-12-12 1959-07-07 Schlumberger Well Surv Corp Magnetic resonance apparatus
US3001891A (en) * 1959-06-30 1961-09-26 Rca Corp Method and apparatus for preparing magnetic recording elements
US3271664A (en) * 1961-12-04 1966-09-06 Magnaflux Corp Combined leakage field and eddy current detection system
DE2726370C2 (de) * 1977-06-10 1981-09-24 Basf Ag, 6700 Ludwigshafen Meßverfahren und Meßeinrichtung zur Bestimmung der Homogenität von Magnetdispersionen
FR2462708A1 (fr) * 1979-07-26 1981-02-13 Commissariat Energie Atomique Procede et dispositif de controle non destructif par courants de foucault pour la detection de zones carburees
DE3275441D1 (en) * 1982-09-22 1987-03-19 Ibm Deutschland Device to determine the properties of magnetic particle dispersions

Also Published As

Publication number Publication date
EP0204860A1 (de) 1986-12-17
CA1267047A (en) 1990-03-27
US4785239A (en) 1988-11-15
EP0204860B1 (de) 1989-01-25
JPS62182680A (ja) 1987-08-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee