Patent ID: 8735983
Filing Date: 2014-05-27
Classification: H01L

Abstract:
1. A metal-oxide-semiconductor transistor comprising: a gate conductor having two laterally spaced edge gate conductors and a center gate conductor located between the two edge gate conductors, wherein each edge gate conductor of the two edge gate conductors is directly in contact with the center gate conductor, wherein the metal-oxide-semiconductor transistor comprises an n-channel metal-oxide-semiconductor transistor, wherein the center gate conductor comprises an n-type gate conductor, and wherein the two edge gate conductors comprise p-type gate conductors; a substrate portion; a gate insulator formed on the substrate portion; source and drain implant regions adjacent to the gate insulator, wherein the gate conductor is formed on the gate insulator between the source and drain implant regions; and a body contact region operable to receive a body bias voltage and operable to bias the substrate portion at the received body bias voltage, wherein the center gate conductor comprises a first metal alloy having an n-type workfunction and wherein the two edge gate conductors comprise a second metal alloy having a p-type workfunction.