Invention Grant
US07659188B2 Semiconductor device and method for manufacturing the same 失效
半导体装置及其制造方法

Semiconductor device and method for manufacturing the same
Abstract:
The present invention provides a method for manufacturing a semiconductor device which includes a step of forming one optional impurity region in a semiconductor substrate at a place apart from the surface thereof, and in the method described above, ion implantation is performed a plurality of times while the position of an end portion of a mask pattern used for ion implantation is changed.
Public/Granted literature
Information query
Patent Agency Ranking
0/0