초록

An improved liner for crucibles and dies used to melt silicon comprising one or more sheets of graphite each of which has on at least the surface facing the silicon melt a layer of silicon nitride or silicon oxynitride.

대표청구항 ▼

In a crucible for forming a silicon melt, the improvement comprising providing on all internal surfaces of said crucible which might contact the molten silicon a protective lining comprising one or more thin, flexible sheets of graphite each of which has on at least the surface facing the molten sil

In a crucible for forming a silicon melt, the improvement comprising providing on all internal surfaces of said crucible which might contact the molten silicon a protective lining comprising one or more thin, flexible sheets of graphite each of which has on at least the surface facing the molten silicon a layer of silicon nitride or silicon oxynitride and at least one of which has said layer on both surfaces.