FERRITE MATERIAL

An Ni-Cu-Zn ferrite material which comprises as major ingredients given amounts of iron oxide, copper oxide, zinc oxide, and nickel oxide and contains as minor ingredients given amounts of bismuth oxide, silicon oxide, magnesium oxide, and cobalt oxide. It has excellent temperature properties (the c...

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Main Authors ITO, KO, SAKURAI, BUNGO, SHIMAZAKI, TATSUYA, AOKI, TAKUYA, TAKAHASHI, YUKIO, OHI, AKINORI, UMEDA, HIDENOBU
Format Patent
LanguageEnglish
French
Japanese
Published 28.02.2002
Edition7
Subjects
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
CONCRETE
ELECTRICITY
INDUCTANCES
INORGANIC CHEMISTRY
LIME, MAGNESIA
MAGNETS
METALLURGY
REFRACTORIES
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
SLAG
TRANSFORMERS
TREATMENT OF NATURAL STONE
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Summary:An Ni-Cu-Zn ferrite material which comprises as major ingredients given amounts of iron oxide, copper oxide, zinc oxide, and nickel oxide and contains as minor ingredients given amounts of bismuth oxide, silicon oxide, magnesium oxide, and cobalt oxide. It has excellent temperature properties (the change in magnetic permeability with temperature is small), has a high quality factor Q, and has high strength. L'invention concerne un matériau en ferrite Ni-Cu-Zn contenant en tant qu'ingrédients principaux des quantités données d'oxyde de fer, d'oxyde de cuivre, d'oxyde de zinc et d'oxyde de nickel, et contenant en tant qu'ingrédient secondaire des quantités données d'oxyde de bismuth, oxyde de silicium, oxyde de magnésium et oxyde de cobalt. Il présente d'excellentes propriétés de température (le changement de perméabilité magnétique avec la température est réduit), un facteur Q de qualité élevé et une haute résistance.
Bibliography:Application Number: WO2001JP06692