Hi, I am using Shipley 1827 resist for photolithography. Till now, I always have a pre step in which I spin p20 primer onto the wafer and then I spin the 1827 resist onto the wafer. I am facing certain problems with this. Can I just spin 1827 on a clean wafer directly? Can I get some help with the process parameters? Thanks Ahmad _______________________________________________ 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