HIGH-PERFORMANCE BURIED-GATE MOSFETS WITH RTO-GROWN ULTRATHIN GATE OXIDE-FILMS

被引:0
作者
OCHIAI, T
FUKUDA, H
HAYASHI, T
IWABUCHI, T
机构
[1] Semiconductor Technology Laboratory, Oki Electric Industry Co., Ltd., Hachioji, Tokyo 193
关键词
MOSFETS; RAPID-THERMAL-PROCESSING; OXIDATION;
D O I
10.1049/el:19940031
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
The authors propose a novel buried-gate-type MOSFET (BG-MOSFET) with ultrathin gate oxide films formed by rapid thermal oxidation (RTO) technology. The BG-MOSFET fabricated showed good punchthrough characteristics and much smaller hot-carrier degradation. The optimum trench depth is similar to 0.1-0.2 mu m deeper than source/drain junction depth considering current gain, avalanche breakdown voltage and hot-carrier immunity.
引用
收藏
页码:87 / 89
页数:3
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