发明名称 |
Methods of fabricating semiconductor device having shallow trench isolation (STI) |
摘要 |
Methods of fabricating a semiconductor device include forming a field trench in a silicon substrate, forming a first oxide layer in the field trench, forming a first thinned oxide layer by partially removing a surface of the first oxide layer, and forming a first nitride layer on the first thinned oxide layer. |
申请公布号 |
US9184086(B2) |
申请公布日期 |
2015.11.10 |
申请号 |
US201314138552 |
申请日期 |
2013.12.23 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
Park Tai-Su;Seo Mi-Young;Park Sung-Wook |
分类号 |
H01L21/76;H01L21/762 |
主分类号 |
H01L21/76 |
代理机构 |
Harness, Dickey & Pierce, P.L.C. |
代理人 |
Harness, Dickey & Pierce, P.L.C. |
主权项 |
1. A method of fabricating a semiconductor device, comprising:
forming a field trench in a silicon substrate; forming a first oxide layer in the field trench, the first oxide layer being on an inner wall and a bottom of the field trench; forming a first thinned oxide layer by partially removing a surface of the first oxide layer, the first thinned oxide layer being disposed on the inner wall and the bottom of the field trench; and forming a first nitride layer on the first thinned oxide layer to fill in the field trench. |
地址 |
Gyeonggi-Do KR |