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1999  Volume 31 

Development of Semi-Conductive Ceramics
Development of Semi-Conductive Ceramics
Key words semi conductive ceramics, static dissipativity, electrical resistivity, thermal expansion coefficient, mechanical properties, ESDS items


An investigation was carried out to give static dissipativity to ceramics. As the results, semi-conductive ceramics could be obtained by dispersing SiC or TiO2 to insulating oxide as Al2O3 or ZrO2. Additionally, it was possible to control electrical resistivity of these semi-conductive ceramics without difficulty by adjusting the additional ratio of these dispersed particles. These semi-conductive ceramics also shows excellent mechanical properties, and is appropriate for materials used for accessories or manufacturing jigs of electro static discharge sensitivity items.
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