English: Niemeyer-Dolan (angular evaporation) technique for the fabrication of single electron transistors. a: Side view, cut along the current path. b: Side view, cut perpendicular to the current path, and showing the resist mask and the layers deposited on it during the evaporations. Note how these depositions change the cross section of the openings in the mask. c: Top view, indicating the cut planes for views a and b. Drawings are approximately to scale in all dimensions.