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Abstract

A double gate MOSFET. The MOSFET includes a bottom gate electrode and a bottom gate dielectric disposed over the bottom gate electrode. A semiconductor body region is disposed over the bottom gate dielectric and the bottom gate electrode, and disposed between a source and a drain. A top gate electrode is disposed over the body. A top gate dielectric separates the top gate electrode and the body, the top gate electrode and the bottom gate electrode defining a channel within the body and interposed between the source and the drain. At least one of the bottom gate dielectric or the top gate dielectric is formed from a high-K material. A method of forming a double gate MOSFET is also disclosed where a semiconductor film used to form a body is recrystallized using a semiconductor substrate as a seed crystal.

First Claim