Hello Tong Chen, yes, it works. But due to the increased labour input it is mostly cheaper to use the resist formulation made for the desired thickness. Best regards/ Mit freundlichem Gruß André Bödecker Institut für Mikrosensoren, -aktoren und -systeme Universität Bremen Fachbereich 1 Otto-Hahn-Allee1 28359 Bremen Tel: 0421 218 62596 _______________________________________________ Hosted by the MEMS and Nanotechnology Exchange, the country's leading provider of MEMS and Nanotechnology design and fabrication services. Visit us at http://www.mems-exchange.org Want to advertise to this community? See http://www.memsnet.org To unsubscribe: http://mail.mems-exchange.org/mailman/listinfo/mems-talk