The challenges of sub-20nm shallow trench isolation etching

被引:0
|
作者
Zhou, Hui [1 ]
Ji, Xiaosong [1 ]
Srinivasan, Sunil [1 ]
He, Jim [1 ]
Hua, Xuefeng [1 ]
Agarwal, Ankur [1 ]
Rauf, Shahid [1 ]
Todorow, Valentin N. [1 ]
Choi, Jinhan [1 ]
Khan, Anisul [1 ]
机构
[1] Appl Mat Inc, Santa Clara, CA 95054 USA
关键词
PATTERN COLLAPSE;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Major challenges for sub-20nm STI etching include intra-cell depth loading, across-wafer uniformity, etch profile control near the wafer edge, and propensity for pattern collapse.
引用
收藏
页码:14 / 18
页数:5
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