Patent ID: 9482948
Filing Date: 2016-11-01
CPC Classification: C07C,C08F,G03F,H01L

Claim Text:
1. A method of forming a photolithographic pattern, comprising: (a) providing a substrate comprising one or more layer to be patterned over a surface of the substrate; (b) applying a layer of a photoresist composition over the one or more layer to be patterned; (c) patternwise exposing the photoresist composition layer to actinic radiation; (d) heating the exposed photoresist composition layer in a post-exposure bake process; and (e) applying a developer to the photoresist composition layer, wherein unexposed portions of the photoresist layer are removed by the developer, leaving a photoresist pattern over the one or more layer to be pattern; wherein the photoresist composition comprises: