Patent ID: 8841058

Claim:
A method of performing photolithography comprising: providing a substrate; and spin coating a photolithography material having a first additive and a second additive onto the substrate; forming a photolithography material layer of the photolithography material on the substrate by the spin coating, wherein the photolithography material layer includes: forming a first layer of photoresist; forming a second layer in the first layer including the second additive, and having a second fluorine polymer having frater than approximately 80% fluoro-alchohol polymer units; and forming a third layer in the second layer, wherein the third layer includes the first additive and has at least 1% of a first fluorine polymer, wherein the first fluorine polymer has less than approximately 80% fluoro-alcohol polymer units at a surface of the photolithography material layer; and treating the photolithography material layer with one of HCl, H 2 SO 4 ,HNO 3 , HCOOH, and CH 2 COOH.