@article {1340781, title = {Maskless Lithography: Embossed Photoresist as its Own Optical Element}, journal = {Applied Physics Letters}, volume = {73}, year = {1998}, note = {624}, pages = {2893-2895}, keywords = {047846APL}, author = {Paul, K. E. and Breen, T. L. and Aizenberg, J. and Whitesides, G. M.} }