METHOD FOR PRODUCING DIELECTRIC CERAMIC, AND DIELECTRIC CERAMIC

METHOD FOR PRODUCING DIELECTRIC CERAMIC, AND DIELECTRIC CERAMIC

A method for producing a dielectric ceramic includes: shaping mixed powdery particles including a cordierite material (2MgO.2Al2O3.5SiO2) and a low-temperature-sintering material including Al, Si and Sr, the Si being partially vitrified; and firing the resultant shaped body. The method includes the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: NAKAJIMA, Hirokazu
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
CABLES
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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Beschreibung
Zusammenfassung:A method for producing a dielectric ceramic includes: shaping mixed powdery particles including a cordierite material (2MgO.2Al2O3.5SiO2) and a low-temperature-sintering material including Al, Si and Sr, the Si being partially vitrified; and firing the resultant shaped body. The method includes the step of wet-pulverizing the low-temperature-sintering material together with at least the cordierite material to prepare mixed powder particles having a median diameter D50 less than 1 μm; and, in a process until a time of the preparation of the mixed powder particles, the low-temperature-sintering material undergoes no step of wet-pulverizing only the low-temperature-sintering material, and drying the resultant pulverized material.