Formation of carbon monoxide gas is prevented by a linear of refractory material free of elemental carbon. For pressures above about 4 torr, silicon carbide can be used as refractory liner. The problem of carbide contamination can arise in crystal growth of any material that forms a carbide more stable than carbon monoxide. Prevention in such cases is possible by using noncarbon refractories in place of graphite.
Refractories Keep Silicon Crystals Pure
NASA Tech Briefs ; 6 , 1
1982-09-01
Miscellaneous
No indication
English
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