Showa Denko has developed a second generation high-grade SiC epitaxial wafer (HGE-2G) suitable for power semiconductors. SDK has been mass-producing the first generation of high-grade SiC epitaxial wafer with very low defect density under the trade name of ‘High-Grade Epi’ (HGE). HGE-2G achieves further improvements in quality with six inches (150mm) diameter. When compared with ...

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