Patent ID: 7723761
Filing Date: 2010-05-25
Classification: H01L

Abstract:
1. A tiered gate structure comprising a substrate comprising a source, a drain and a gate thereon, the gate comprising: a) an elongated gate foot comprising a first conductive deposition gate material extending from the substrate, the elongated gate foot comprising a top portion distal from the substrate; and b) a gate head comprising a conductive second deposition gate material and comprising an elongated portion extending downward toward the top portion of the elongated gate foot at an end of the elongated portion distal from the gate head, the elongated portion of the gate head having a width that decreases as the elongated portion extends away from the gate head toward the distal end, connecting to the distal portion of the elongated gate foot, the elongated portion of the gate head having a width that decreases as the gate head extends towards the gate foot.