| CONSEJO SUPERIOR DE INVESTIGACIONES CIENTÍFICAS
UNIVERSIDAD POLITÉCNICA DE MADRID
Inventors: Angel Barranco Quero, Agustín R. González-Elipe, Juan Ramón Sánchez Valencia, Francisco Javier Aparicio Rebollo, Iwona Krystina Blaszczyk-Lezak, Miguel Holgado Bolaños, Rafael Casquel del Campo, José Luis Ocaña Moreno, Carlos Molpeceres Alvarez. Juan José García-Ballesteros Ramírez, Miguel Morales Furió
It permits marking or recording motifs on surfaces whereon there has been deposited previously a fluorescent polymer layer through a procedure of plasma polymerisation of molecules of a colourant. The procedure combines the special characteristics of the polymer layers making them suitable for being capable of recording diverse motifs thereon, and the possibility of recording by laser or other techniques. Among such characteristics should be mentioned the possibility of a notable visual effect, including for thicknesses of 100 nm, the use of layers non-observable when illuminated with visible light, the high optical quality (transparency) thereof, or the facility wherewith they may be processed by subsequent treatments, including diverse laser treatments.
Procedure for marking, encryption, labelling and optical coding