NL182952C - Werkwijze ter bereiding van een magnetisch pigment, werkwijze ter vervaardiging van magnetische registratiedragers onder toepassing van een dergelijk pigment, alsmede magnetische registratiedrager verkregen volgens deze werkwijze. - Google Patents

Werkwijze ter bereiding van een magnetisch pigment, werkwijze ter vervaardiging van magnetische registratiedragers onder toepassing van een dergelijk pigment, alsmede magnetische registratiedrager verkregen volgens deze werkwijze.

Info

Publication number
NL182952C
NL182952C NLAANVRAGE7416441,A NL7416441A NL182952C NL 182952 C NL182952 C NL 182952C NL 7416441 A NL7416441 A NL 7416441A NL 182952 C NL182952 C NL 182952C
Authority
NL
Netherlands
Prior art keywords
pigment
magnetic
magnetic record
preparing
carrier obtained
Prior art date
Application number
NLAANVRAGE7416441,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7416441A (nl
NL182952B (nl
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of NL7416441A publication Critical patent/NL7416441A/xx
Publication of NL182952B publication Critical patent/NL182952B/xx
Application granted granted Critical
Publication of NL182952C publication Critical patent/NL182952C/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2666—Other ferrites containing nickel, copper or cobalt
    • 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
    • H01F1/0009—Antiferromagnetic materials, i.e. materials exhibiting a Néel transition temperature
    • 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
    • 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
    • H01F1/09—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 mixtures of metallic and non-metallic particles; metallic particles having oxide skin
    • 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
    • H01F1/12—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 soft-magnetic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Compounds Of Iron (AREA)
NLAANVRAGE7416441,A 1973-12-29 1974-12-17 Werkwijze ter bereiding van een magnetisch pigment, werkwijze ter vervaardiging van magnetische registratiedragers onder toepassing van een dergelijk pigment, alsmede magnetische registratiedrager verkregen volgens deze werkwijze. NL182952C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2365178A DE2365178C2 (de) 1973-12-29 1973-12-29 Verfahren zur Herstellung von magnetischen Materialien mit Austauschanisotropieverhalten

Publications (3)

Publication Number Publication Date
NL7416441A NL7416441A (nl) 1975-07-01
NL182952B NL182952B (nl) 1988-01-18
NL182952C true NL182952C (nl) 1988-06-16

Family

ID=5902248

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7416441,A NL182952C (nl) 1973-12-29 1974-12-17 Werkwijze ter bereiding van een magnetisch pigment, werkwijze ter vervaardiging van magnetische registratiedragers onder toepassing van een dergelijk pigment, alsmede magnetische registratiedrager verkregen volgens deze werkwijze.

Country Status (7)

Country Link
US (1) US3961990A (de)
JP (1) JPS605042B2 (de)
DE (1) DE2365178C2 (de)
FR (1) FR2256517B1 (de)
GB (1) GB1496890A (de)
IT (1) IT1026170B (de)
NL (1) NL182952C (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL176090C (nl) * 1977-02-26 1985-02-18 Vacuumschmelze Gmbh Werkwijze voor het verminderen van de ommagnetisatieverliezen in dunne banden uit week-magnetische amorfe metaallegeringen.
DE2950174A1 (de) * 1979-12-13 1981-06-19 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zur echtheitspruefung von aufzeichnungstraegern, die gegen faelschung zu sichern sind
DE2950129A1 (de) 1979-12-13 1981-06-19 BASF Corp., New York, N.Y. Verfahren und vorrichtung zur echtheitspruefung von aufzeichnungstraegern, die gegen faelschung zu sichern sind
US5069216A (en) * 1986-07-03 1991-12-03 Advanced Magnetics Inc. Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract
US5219554A (en) * 1986-07-03 1993-06-15 Advanced Magnetics, Inc. Hydrated biodegradable superparamagnetic metal oxides
US5029291A (en) * 1990-04-10 1991-07-02 Knogo Corporation Electromagnetic sensor element and methods and apparatus for making and using same
US7571814B2 (en) * 2002-02-22 2009-08-11 Wave Separation Technologies Llc Method for separating metal values by exposing to microwave/millimeter wave energy
EP1615557B1 (de) * 2003-04-15 2012-09-19 Philips Intellectual Property & Standards GmbH Verfahren und vorrichtung zur verbesserten ermittlung der räumlichen verteilung nicht agglomerierter magnetischer partikel in einem untersuchungsbereich
TWI394179B (zh) * 2007-11-07 2013-04-21 Nat Univ Chung Cheng Structure and Method of Ultra - thin Ferromagnetic / Antiferromagnetic Coupling Thin Films
CN113788672B (zh) * 2021-10-09 2022-11-11 重庆上甲电子股份有限公司 一种锰锌铁氧体制备工艺
CN115894050B (zh) * 2022-08-22 2023-05-16 重庆上甲电子股份有限公司 一种湿法生产锰锌铁氧体复合料的低温焙烧方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1695041A (en) * 1926-12-17 1928-12-11 Bell Telephone Labor Inc Production of magnetic dust cores
US1954102A (en) * 1931-11-30 1934-04-10 Automatic Electric Co Ltd Magnet core
US3460968A (en) * 1964-11-04 1969-08-12 Ibm Wear resistant magnetic recording member
US3726664A (en) * 1971-04-15 1973-04-10 Ibm Magnetic alloy particle compositions and method of manufacture

Also Published As

Publication number Publication date
FR2256517A1 (de) 1975-07-25
US3961990A (en) 1976-06-08
NL7416441A (nl) 1975-07-01
IT1026170B (it) 1978-09-20
JPS5097897A (de) 1975-08-04
NL182952B (nl) 1988-01-18
DE2365178C2 (de) 1982-07-01
JPS605042B2 (ja) 1985-02-08
GB1496890A (en) 1978-01-05
FR2256517B1 (de) 1978-05-05
DE2365178A1 (de) 1975-07-10

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee