发明名称 SILICON CARBIDE SUBSTRATE AND METHOD OF MANUFACTURING THE SAME
摘要 A silicon carbide substrate capable of stably forming a device of excellent performance, and a method of manufacturing the same are provided. A silicon carbide substrate is made of a single crystal of silicon carbide, and has a width of not less than 100 mm, a micropipe density of not more than 7 cm−2, a threading screw dislocation density of not more than 1×104 cm−2, a threading edge dislocation density of not more than 1×104 cm−2, a basal plane dislocation density of not more than 1×104 cm 2, a stacking fault density of not more than 0.1 cm−1, a conductive impurity concentration of not less than 1×1018 cm 3, a residual impurity concentration of not more than 1×1016 cm−3, and a secondary phase inclusion density of not more than 1 cm−3.
申请公布号 US2016108553(A1) 申请公布日期 2016.04.21
申请号 US201514978866 申请日期 2015.12.22
申请人 SUMITOMO ELECTRIC INDUSTRIES, LTD. 发明人 HARADA Shin;FUJIWARA Shinsuke;NISHIGUCHI Taro
分类号 C30B23/02;C30B29/36 主分类号 C30B23/02
代理机构 代理人
主权项 1. (canceled)
地址 Osaka JP