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新型图形化SOI LDMOS结构的性能分析

程新红 杨文伟 宋朝瑞 俞跃辉 沈达升

半导体学报2004,Vol.25Issue(12):1580-1585,6.
半导体学报2004,Vol.25Issue(12):1580-1585,6.

新型图形化SOI LDMOS结构的性能分析

A Novel LDMOS Structure in Thin Film Patterned-SOI Technology with a Silicon Window Beneath p Well

程新红 1杨文伟 1宋朝瑞 1俞跃辉 1沈达升2

作者信息

  • 1. 中国科学院上海微系统与信息技术研究所,离子束实验室,上海,200050
  • 2. 阿拉巴马州大学电气与计算机工程系,亨茨维尔,25899,美国
  • 折叠

摘要

Abstract

A novel patterned-SOI LDMOS structure with a silicon window beneath the p well is proposed.The performance is simulated numerically.In comparison to SOI counterpart,the off-state and the on-state breakdown voltage can increase by 57% and 70% respectively;transconductance is flatter; I-V curves take no sign of kink in the saturation region;the device temperature is much lower even at high input power;the floating body effect and the self-heating effect are distinctly suppressed.Furthermore,the advantage of low leakage current and low output capacitance in SOI structures does not degrade.The proposed structure will be a promising choice to improve the performance and reliability of SOI power device.

关键词

图形化SOI/LDMOS/浮体效应/自加热效应

Key words

patterned-SOI/LDMOS/floating body effect/self-heating effect

分类

信息技术与安全科学

引用本文复制引用

程新红,杨文伟,宋朝瑞,俞跃辉,沈达升..新型图形化SOI LDMOS结构的性能分析[J].半导体学报,2004,25(12):1580-1585,6.

基金项目

美国国家科学基金国际合作资助项目(No.INT-0004547) (No.INT-0004547)

半导体学报

OA北大核心CSCDCSTPCD

1674-4926

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