DocumentCode
1021661
Title
High-performance buried-gate MOSFETs with RTO-grown ultrathin gate oxide films
Author
Ochiai, Toshihiko ; Fukuda, Hiroshi ; Hayashi, Teruaki ; Iwabuchi, T.
Author_Institution
Semicond. Technol. Lab., Oki Electr. Ind. Co. Ltd., Tokyo
Volume
30
Issue
1
fYear
1994
fDate
1/6/1994 12:00:00 AM
Firstpage
87
Lastpage
89
Abstract
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 ~0.1-0.2μm deeper than source/drain junction depth considering current gain, avalanche breakdown voltage and hot-carrier immunity
Keywords
hot carriers; impact ionisation; insulated gate field effect transistors; oxidation; rapid thermal processing; RTO-grown films; avalanche breakdown voltage; buried-gate MOSFETs; current gain; hot-carrier degradation; hot-carrier immunity; optimum trench depth; punchthrough characteristics; rapid thermal oxidation; ultrathin gate oxide films;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19940031
Filename
260621
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