发明名称 METHOD AND APPARATUS FOR FORMING SILICON FILM
摘要 A method of forming a silicon film in grooves formed on a surface of an object to be processed, the method including forming a first silicon film containing impurities so as to embed the first silicon film in the grooves of the object to be processed; doping the impurities in the vicinity of the surface of the first silicon film; expanding opening portions of the grooves by etching the first silicon film thereby forming expanded openings having grooves; and forming a second silicon film so as to embed the second silicon film in the grooves of the expanded openings is provided.
申请公布号 US2014199824(A1) 申请公布日期 2014.07.17
申请号 US201414156097 申请日期 2014.01.15
申请人 TOKYO ELECTRON LIMITED 发明人 KOMORI Katsuhiko
分类号 H01L21/02;H01L21/67 主分类号 H01L21/02
代理机构 代理人
主权项 1. A method of forming a silicon film in grooves formed on a surface of an object to be processed, the method comprising: forming a first silicon film containing impurities so as to embed the first silicon film in the grooves of the object to be processed; doping the impurities in the vicinity of the surface of the first silicon film; expanding opening portions of the grooves by etching the first silicon film thereby forming expanded openings having grooves; and forming a second silicon film so as to embed the second silicon film in the grooves of the expanded openings.
地址 Tokyo JP