Method of manufacturing crystalline silicon carbide employing ac

Details Method of manufacturing crystalline silicon carbide employing ac Method of manufacturing crystalline silicon carbide employing ac

1985-01-07

1986-05-27

Doll, John

Chemistry of inorganic compounds

Silicon or compound thereof

Binary compound

423335, 156603, 156DIG112, 501 88, C01B 3136

Patent

active

045914923

ABSTRACT:
A method of manufacturing silicon carbide crystals in which a rice husk raw material is pretreated with an acid solution (e.g., 5N to 6N H.sub.2 SO.sub.4, HCl or HNO.sub.3) prior to being heated in a furnace of non-oxidizing atmosphere. Pretreatment of the rice husks in this manner results in silicon carbide crystals of high purity.

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