Patent ID: 7122442
Filing Date: 2006-10-17
Classification: H01L

Abstract:
1. A method of forming a semiconductor device, comprising: providing a first silicon wafer; forming a buried oxide layer outwardly from the first silicon wafer, the buried oxide layer having a side opposite from the first silicon wafer; implanting hydrogen ions into the first silicon wafer to form a hydrogen layer within the silicon wafer; forming a nitrided blocking layer by implanting nitrogen ions into the buried oxide layer along an area where the buried oxide layer meets the first silicon wafer; wherein the hydrogen layer and the nitrided blocking layer define a thin silicon layer therebetween, the thin silicon layer having a thickness of approximately 100 angstroms or less; coupling the side of the buried oxide layer with a second silicon wafer; separating the first silicon wafer from the thin silicon layer along the hydrogen layer; and forming a dielectric layer disposed outwardly from the thin silicon layer and a gate disposed outwardly from the dielectric layer; doping the gate and at least one region of the thin silicon layer with boron; wherein the dielectric layer is operable to at least partially prevent a transfer of boron from the gate to the thin silicon layer, and wherein the nitrid ed blocking layer is operable to at least partially prevent a transfer of boron from the at least one region of the thin silicon layer to the buried oxide layer.