Patent ID: 7455884
Filing Date: 2008-11-25
Classification: C23C

Abstract:
1. A method for processing a surface of a workpiece comprising: selecting a set of reaction parameters; loading the workpiece into a reaction chamber; pumping on said reaction chamber until a pressure according to said selected reaction parameters is achieved; translating the workpiece at a constant rate across said chamber according to said selected reaction parameters; flowing simultaneously into said chamber a precursor gas, a purge gas, and an input gas according to said selected reaction parameters; evacuating said purge gas and any gases/residuals in vicinity of said purge gas to prevent mixing of the precursor and input gases while said precursor gas and said input gas are simultaneously provided; and delivering a beam of electromagnetic radiation according to said selected reaction parameters into the flow of said input gas to produce a high flux of point of use generated reactive gas species which reacts with a surface reactant formed from said precursor gas impinging on the surface of the workpiece at selected locations.