Polysilicon encapsulated local oxidation of silicon for deep submicron lateral isolation

被引:8
作者
Badenes, G
Rooyackers, R
DeWolf, I
Deferm, L
机构
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1997年 / 36卷 / 3B期
关键词
lateral isolation; LOCOS; CMOS; deep submicron;
D O I
10.1143/JJAP.36.1325
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this paper it will be shown that polysilicon encapsulated local oxidation of silicon (PE-LOCOS) is a feasible lateral isolation technique for quarter-micron or smaller complementary metal-oxide-semiconductor (CMOS) technologies. This isolation technique features limited process complexity and very good manufacturability and reproducibility, together with excellent bird's beak and active area dimension control. Electrical measurements performed on perimeter intensive gate oxide capacitors and diodes show no isolation-edge-related degradation; which is confirmed by Raman spectroscopy and emission microscopy measurements. Transistor narrow-channel data from devices fabricated with PE-LOCOS are presented and discussed.
引用
收藏
页码:1325 / 1329
页数:5
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