Patent ID: 8710556
Filing Date: 2014-04-29
Classification: H01L

Abstract:
1. A semiconductor device, comprising a fin of semiconductive material formed from a semiconductor layer over a semiconductor substrate and having first and second opposing sides perpendicular to the main surface of the semiconductor substrate; a source region and a drain region provided in the semiconductor substrate adjacent to two ends of the fin and bridged by the fin; a channel region provided at the central portion of the fin; a stack of gate dielectric and gate conductor provided at the first side of the fin, wherein the gate conductor is isolated from the channel region by the gate dielectric; and an insulating filler provided between the channel region and the second side of the fin, wherein a recess is formed between the second side of the fin and the channel region, and the insulating filter is filled in the recess, wherein the stack of gate dielectric and gate conductor extends away from the first side of the fin in a direction parallel to the main surface of the semiconductor substrate, and is insulated from the semiconductor substrate by an insulating layer.