Patent ID: 7732837
Filing Date: 2010-06-08
Classification: H01L

Abstract:
1. A nitride semiconductor device comprising: an undoped first aluminum gallium nitride (Al an undoped or n-type second aluminum gallium nitride (Al a p-type third aluminum gallium nitride (Al a source electrode formed on the second aluminum gallium nitride layer to electrically connected to one ends of the stripe-shaped portions of the third aluminum gallium nitride layer formed in the recess portions; a drain electrode formed on the second aluminum gallium nitride layer to be spaced apart from the other ends of the stripe-shaped portions of the third aluminum gallium nitride layer; and a gate electrode formed on the second aluminum gallium nitride layer between the source electrode and the drain electrode in a side of the source electrode with respect to the other ends of the stripe-shaped portions of the third aluminum gallium nitride layer.