发明申请
US20080083366A1 MICROPIPE-FREE SILICON CARBIDE AND RELATED METHOD OF MANUFACTURE 有权
无碳化硅和相关的制造方法

MICROPIPE-FREE SILICON CARBIDE AND RELATED METHOD OF MANUFACTURE
摘要:
Micropipe-free, single crystal, silicon carbide (SiC) and related methods of manufacture are disclosed. The SiC is grown by placing a source material and seed material on a seed holder in a reaction crucible of the sublimation system, wherein constituent components of the sublimation system including the source material, reaction crucible, and seed holder are substantially free from unintentional impurities. By controlling growth temperature, growth pressure, SiC sublimation flux and composition, and a temperature gradient between the source material and the seed material or the SiC crystal growing on the seed material during the PVT process, micropipe-inducing process instabilities are eliminated and micropipe-free SiC crystal is grown on the seed material.
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