IDENTIFICATION AND LOCALIZATION OF GATE OXIDE WEAKNESSES IN N-MOS TRANSISTORS THROUGH FOWLER-NORDHEIM TUNNELING AND SPICE SIMULATION

被引:0
|
作者
KRAKAUER, D [1 ]
DOYLE, BS [1 ]
机构
[1] DIGITAL EQUIPMENT CORP,HUDSON,MA 01749
关键词
Semiconductor devices and materials; Simulation;
D O I
10.1049/el:19900155
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
Analysis of the I/V characteristics after Fowler-Nordheim (F-N) injection of n-MOS transistors with weak source-drain overlap regions show the presence of an anomalous ‘hump’. SPICE simulations show that the same hump can arise in localised damage regions along the source-drain periphery, and that this is possibly in the bird's beak region. The results suggest that SPICE simulations and F-N injection can be used to study localised damage in MOS transistors. © 1990, The Institution of Electrical Engineers. All rights reserved.
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页码:230 / 231
页数:2
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