发明名称 PROCESS FOR PRODUCING SiC SINGLE-CRYSTAL SUBSTRATE
摘要 A method of manufacturing an SiC single crystal wafer according to the present invention includes the steps of: (a) preparing an SiC single crystal wafer 10 with a mirror-polished surface; (b) oxidizing the surface of the SiC single crystal wafer 10 with plasma, thereby forming an oxide layer 12 on the surface of the SiC single crystal wafer; and (c) removing at least a portion of the oxide layer 12 by a reactive ion etching process. Preferably, the surface of the wafer is planarized by repeatedly performing the steps (b) and (c) a number of times.
申请公布号 EP1855312(A1) 申请公布日期 2007.11.14
申请号 EP20050710517 申请日期 2005.02.22
申请人 HITACHI METALS, LTD. 发明人 HIROOKA, TAISUKE
分类号 H01L21/3065;C30B29/36;C30B33/12;H01L21/04 主分类号 H01L21/3065
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