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.
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