Invention Application
US20050093082A1 Fin field effect transistors having capping insulation layers and methods for forming the same 有权
具有封盖绝缘层的鳍式场效应晶体管及其形成方法

Fin field effect transistors having capping insulation layers and methods for forming the same
Abstract:
A field effect transistor includes a vertical fin-shaped semiconductor active region having an upper surface and a pair of opposing sidewalls on a substrate, and an insulated gate electrode on the upper surface and opposing sidewalls of the fin-shaped active region. The insulated gate electrode includes a capping gate insulation layer having a thickness sufficient to preclude formation of an inversion-layer channel along the upper surface of the fin-shaped active region when the transistor is disposed in a forward on-state mode of operation. Related fabrication methods are also discussed.
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