Patent ID: 6515319
Filing Date: 2003-02-04
Classification: B82Y,H01L

Abstract:
A field-effect-controlled transistor, comprising:a semiconductor substrate having a main surface; an active region with sidewalls, said active region having a source region, a drain region, and a channel region, each adjoining said main surface of said semiconductor substrate; said main surface having a first trench and a second trench formed therein adjoining mutually opposite sidewalls of said active region; a gate electrode formed with two conductive spacers on opposite sides of said active region and at said channel region and a patterned conductive layer connecting said conductive spacers; an insulation structure filling said first trench and said second trench, with said conductive spacers lying between said active region and said insulation structure, and said conductive layer extending across said filled trenches; and insulating fillings disposed in interspaces formed between two other mutually opposite sides of said active region and said insulation structure, said insulation fillings being disposed at said source region and said drain region and outside said patterned conductive layer.