Birch, Stewart, Kolasch & Birch, LLP
Semiconductor device and method for fabricating the same
A semiconductor device includes a semiconductor substrate and a semiconductor layer formed thereon; a first well region disposed in a portion of the semiconductor layer; a second well region disposed in another portion of the semiconductor layer; a pair of third well regions disposed in a portion of the semiconductor layer at opposite sides of the second well region; a plurality of isolation elements disposed over the semiconductor layer, respectively between the third well regions and the first and second well region; a deep well region disposed in a portion of the semiconductor substrate adjacent to the semiconductor layer between the first and second well region; a first doping region disposed in the first well region; and second doping regions disposed in the third well regions.
VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
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Pei-Heng Chih-Cherng Manoj Chia-Hao
Hung Liao Kumar Lee