Dielectric ceramic composition

The present invention relates to a dielectric ceramic composition, comprising from 97.5 to 99.95% by weight of{100-(a+b+c+d)}BaTiO3+aZnO+b(2Bi2O3.3AO2)+cTa2O5+dRe2O3as main component and from 0.05 to 2.5% by weight of glass mainly comprising SiO2, and possibly also containing from 0.01 to 0.5% by we...

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Bibliographic Details
Main Authors IWAMOTO; SAKIKO, SHIBATA; MASAMITSU, HAMAJI; YUKIO
Format Patent
LanguageEnglish
Published 18.03.1997
Edition6
Subjects
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
CABLES
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
CONDUCTORS
ELECTRICITY
INSULATORS
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:The present invention relates to a dielectric ceramic composition, comprising from 97.5 to 99.95% by weight of{100-(a+b+c+d)}BaTiO3+aZnO+b(2Bi2O3.3AO2)+cTa2O5+dRe2O3as main component and from 0.05 to 2.5% by weight of glass mainly comprising SiO2, and possibly also containing from 0.01 to 0.5% by weight of at least one oxides of Cr, Mn, Fe, Co, and/or Ni. A represents Zr or Sn; Re represents at least one of La, Pr, Nd, Sm, Dy and Er; and {100-(a+b+c+d)}, a, b, c, and d represent molar percent which satisfy the following relationships: - 0.5 </= a </= 4.5 - 0.5 </= b </= 4.5 - 0.5 </= c </= 4.5 - 0.5 </= d </= 5.5. -
Bibliography:Application Number: US19950447234