发明名称 Method for manufacturing semiconductor device
摘要 According to an aspect of the present invention, there is provided a method for manufacturing a semiconductor device, the method including: forming a first region and a second region in a semiconductor substrate by forming an element isolation region; forming an insulating film on the semiconductor substrate in the first region and the second region; forming a first metal film on the insulating film in the first region and in the second region; removing the first metal film in the second region; forming a second metal film on the first metal film in the first region and on the insulating film in the second region; and flattening top surfaces in the first region and the second region by performing a flattening process.
申请公布号 US7875512(B2) 申请公布日期 2011.01.25
申请号 US20090355144 申请日期 2009.01.16
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 NOMACHI AKIKO
分类号 H01L21/8238 主分类号 H01L21/8238
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