Patent ID: 6100012
Filing Date: 2000-08-08
Classification: G03F

Abstract:
A photolithographic method with an IR radiation post-exposure bake for use during semiconductor manufacturing, the method comprising the steps of:providing a substrate;coating a chemically amplified resist layer onto the substrate;providing a mask;exposing the chemically amplified resist layer to a first radiation through the mask to produce exposed regions of the chemically amplified resist and unexposed regions of chemically amplified resist, and to generate a catalyst in the exposed regions;irradiating the exposed and unexposed regions with a particular wavelength of infra-red (IR) radiation for a predetermined time to selectively heat the exposed and unexposed regions such that the exposed regions attain a temperature at least 5.degree. C. higher than the temperature of the unexposed regions; anddeveloping the chemically amplified resist layer to define a patterned chemically amplified resist layer.