Dear Fulvio, I hope the following could help you. Deposition of thick zinc oxide films with a high resistivity. Source: Micromachining and Microfabrication Process Technol., SPIE, Vol. 2639 (1995) Piezoelectric films in silicon-based microactuation structures. Source: Conference Active Drives for Microengineering Applications, IEE Colloquium, Vol. 85 (1995) Ferroelectric thin films for integrated sensor and memory devices. Source: GEC Journal of Research, Vol. 12 (1995) Iss. 3, Pg. 141-152 Processing of piezocomposites via solid freeform fabrication (SFF) techniques. Source: Solid Freeform Fabrication Proc., SFF Symp.,(1996) Pg. 265-272 Regards Andreas Albrecht Transfercenter Microelectronics In den Weiden 7 D-99099 Erfurt Phone: +49-(0)361-44 20 660 Fax +49-(0)361-44 20 666