Photolithography in the vacuum ultraviolet (172 nm) with sub-400 nm resolution: photoablative patterning of nanostructures and optical components in bulk polymers and thin films on semiconductors
Precision photoablation of bulk polymers or films with incoherent 172 nm radiation from flat, microplasma array-powered lamps provides the foundation for a photolithographic process in which an acrylic or other polymer serves as a dry photoresist.