Patent ID: 7737559
Filing Date: 2010-06-15
Classification: H01L

Abstract:
1. A semiconductor construction, comprising: a semiconductor substrate; an electrically insulative material over the substrate and having one or more openings extending therein, the electrically insulative material consisting of a composition that comprises silicon and oxygen, the insulative material having an undulating outer surface that extends into said one or more openings; an activated region within the insulative material and below the undulating outer surface, the activated region extending from the undulating outer surface in a direction perpendicular to the undulating outer surface toward a boundary of the activated region, the boundary being located within the insulative material wherein the activated region comprises the electrically insulative material and one or more oxides selected from the group consisting of titanium oxide, neodymium oxide, yttrium oxide, zirconium oxide and vanadium oxide, the one or more oxides being arranged within the activated region according to a gradient with a higher concentration near the undulating outer surface than near the boundary; and an electrically conductive layer over the undulating outer surface and directly against the undulating outer surface, the layer extending conformally along the undulating outer surface and comprising one or more of aluminum, copper, gallium, germanium, ruthenium and silicon.