Patent ID: 6376861
Filing Date: 2002-04-23
Classification: H01L

Abstract:
A thin film transistor comprising a gate electrode formed on a substrate, a gate insulation film formed on the gate electrode, a semiconductor layer formed on the gate insulation film, and a source electrode and a drain electrode formed on the semiconductor layer,the gate electrode, the source electrode or the drain electrode including a first conductor film, a second conductor film formed on the first conductor film, and a third conductor film formed on the second conductor film; the first conductor film being formed of a metal selected out of Al, Cu and Ag, or an alloy of a metal, as a main component, selected out of Al, Cu and Ag, and having side surfaces sloped; the second conductor film being formed of a film of Mo containing nitrogen, or an alloy of Mo containing nitrogen, and having side surfaces sloped; and the third conductor film being formed of Mo, or an alloy of Mo as a main component.