Powdery silicon carbide composition for sintering

Details Powdery silicon carbide composition for sintering Powdery silicon carbide composition for sintering

C - Chemistry, Metallurgy

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B

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C04B 35/56 (2006.01) C04B 35/575 (2006.01) H01B 3/12 (2006.01) H01L 23/15 (2006.01) H05K 1/03 (2006.01)

Patent

CA 1213293

ABSTRACT OF THE DISCLOSURE A sintered silicon carbide body having a high thermal conductivity and a high electrical insulation without any drop substantially throughout the sintered body is produced from a powdery silicon carbide composition comprising at least 90% by weight of silicon carbide powders having an average particle size of not more than 10 µm and 0.01 to 4% by weight of powders of beryllium or its compound having a particle size of not more than 30 µm in terms of beryllium atom, a nitrogen content of the composition being not more than 500 ppm.

438420

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