Chemically or biochemically active agents or other species are patterned on a substrate surface by providing a micromold having a contoured surface and forming, on a substrate surface, a chemically or biochemically active agent or fluid precursor of a structure. A chemically or biochemically active agent...http://www.google.fr/patents/US20040178523?utm_source=gb-gplus-shareBrevet US20040178523 - Molded waveguides
