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tel-00117263, version 2 - 29 Jan 2007<br />

Thierry DI GILIO<br />

FIG. II.5 – Déca<strong>la</strong>ge <strong>de</strong> <strong>la</strong> tension <strong>de</strong> seuil pendant un stress uniforme à tension constante.<br />

500<br />

400<br />

300<br />

200<br />

100<br />

NMOS W/L=40/0.5µm - T OX =12nm<br />

1 2 3 4 5<br />

FIG. II.6 – Augmentation <strong>de</strong> <strong>la</strong> tension <strong>de</strong> seuil au cours d’un stress au maximum du courant<br />

substrat (VGS = 3.35V,VDS = 7.5V ) <strong>de</strong> 1000s sur un NMOS.<br />

68

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