Patent ID: 8592297
Filing Date: 2013-11-26
Classification: H01L

Abstract:
1. A method of forming a semiconductor structure, comprising: forming a layer of dielectric material over a substrate, the substrate having a main portion, and the main portion having a substantially constant thickness; forming a photoresist layer over the layer of dielectric material; removing an edge portion of the photoresist layer to form an edge-processed photoresist layer; patterning the layer of dielectric material based on the edge-processed photoresist layer to form a patterned dielectric layer, a periphery of the patterned dielectric layer and a periphery of the main portion of the substrate being separated by a distance; forming a conductive layer over the patterned dielectric layer, a periphery of the conductive layer being within about 0.5% of a diameter of the substrate to the periphery of the patterned dielectric layer.