Patent ID: 8759832

Claim:
A semiconductor device, disposed on a substrate, the substrate having a first region and a second region, the semiconductor device comprising: a first channel layer, disposed on the substrate of the first region; a patterned doped layer, comprising a doped gate electrode and two contact electrodes, the doped gate electrode being disposed on the substrate of the second region, and the contact electrodes being electrically connected two sides of the first channel layer; a gate insulating layer, covering the first channel layer and the patterned doped layer; a conducting gate electrode, disposed on the gate insulating layer of the first region; a second channel layer, disposed on the gate insulating layer of the second region; a first electrode and a second electrode, electrically connected to each of the contact electrodes, respectively; and a third electrode and a fourth electrode, electrically connected to two sides of the second channel layer, respectively.