Methods, systems and apparatuses are disclosed for non-destructively a substrate using ultrasound waves, and enhancing resolution of imaging created from ultrasound signals that are back reflected from a substrate surface second, or back surface by maintaining the incident angles of the ultrasonic beams at the substrate second surface such that the ultrasonic beams strike the substrate second surface at an angle that is substantially perpendicular to the complex geometric profile of the substrate second surface by supplying known spatial coordinates to the system to maintain the incident angles of the ultrasonic beams at a predetermined angle relative to the substrate second surface.