Dielectric ceramic composition

A dielectric ceramic composition consists essentially of a main component of a four component system, Pb(Mg1/3Nb2/3)O3-PbTiO3-Pb(Ni1/3Nb2/3)O3-Pb(Zn1/2W1/2)O3, of which a part of Pb is replaced with at least one substituent selected from the group consisting of Ba, Ca and Sr; and a secondary compone...

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Bibliographic Details
Main Authors IWAMOTO; SAKIKO, HAMAJI; YUKIO, SANO; HARUNOBU, TOMONO; KUNISABURO
Format Patent
LanguageEnglish
Published 08.08.1995
Edition6
Subjects
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
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
ELECTRICITY
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:A dielectric ceramic composition consists essentially of a main component of a four component system, Pb(Mg1/3Nb2/3)O3-PbTiO3-Pb(Ni1/3Nb2/3)O3-Pb(Zn1/2W1/2)O3, of which a part of Pb is replaced with at least one substituent selected from the group consisting of Ba, Ca and Sr; and a secondary component selected from the group consisting of w, Zn and Mg. The secondary component is incorporated in the main component in an amount of 0.05 to 10.0 parts by weight per 100 parts by weight of the main component in terms of each oxide, WO3, ZnO or MgO. The main component consists essentially of 4.0 to 93.0 mol % of Pb(Mg1/3Nb2/3)O3, 1.5 to 35.0 mol % of PbTiO3, 1.5 to 51.0 mol % of Pb(Ni1/3Nb2/3)O3, and 1.0 to 34.0 mol % of Pb(Zn1/2W1/2)O3, the amount of at least one substituent for Pb being 0.1 to 10 mol %.
Bibliography:Application Number: US19940268819