Patent ID: 7687834
Filing Date: 2010-03-30
Classification: H01L

Abstract:
1. A junction field effect transistor (JFET), comprising: a source region of a first conductivity type; a drain region of the first conductivity type which is spaced apart from the source region; a channel region of the first conductivity type which is located between the source and drain regions, wherein the channel region has a maximum length of less than 100 nm; a gate region of a second conductivity type which is formed on top of the channel region; a gate electrode region of the second conductivity type which overlays the gate region, wherein the gate electrode region comprises a high band gap material; and wherein the high band gap material facilitates a faster switching speed and lower power consumption of the JFET as compared to a different JFET that does not use the high band gap material in the gate electrode region.