作者: Chin-i Liao , Chin-cheng Chien
DOI:
关键词: Epitaxy 、 Semiconductor device 、 Boron 、 Layer (electronics) 、 Doping 、 Materials science 、 Substrate (electronics) 、 Optoelectronics
摘要: A manufacturing method of a semiconductor device is provided. The includes at least the following steps. gate structure formed on substrate. An epitaxial substrate, wherein comprises SiGe, and Ge concentration in equal to or higher than 45%. first cap layer structure, Si. doped with boron for forming flat top surface layer.