Patent ID: 8187959
Filing Date: 2012-05-29
Classification: H01L

Abstract:
1. Method of producing a semiconductor device comprising: a) providing a semiconductor substrate, b) making a first amorphous layer in a top layer of said semiconductor substrate by a suitable implant, said first amorphous layer having a first depth, c) implanting a first dopant into said semiconductor substrate to provide said first amorphous layer with a first doping profile, d) applying a first solid phase epitaxial regrowth action to partially regrow said first amorphous layer and form a second amorphous layer having a second depth that is less than said first depth and activate said first dopant, e) implanting a second dopant into said semiconductor substrate to provide said second amorphous layer with a second doping profile with a higher doping concentration than said first doping profile, f) applying a second solid phase epitaxial regrowth action to regrow said second amorphous layer and activate said second dopant.