Hello, I am wondering if someone has successfully used a masking layer, photoresist or metal, to etch BCB at a rate faster than 1 um per minute in a CF4/O2 Plasma. thanks, Lester Lspez Research Assistant Microwave and Wireless Research Group University of South Florida 4202 East Fowler Avenue, ENB 118 Tampa, Florida 33620 PH: 813-974-4851 FAX: 813-974-5250 Email: lelopez@eng.usf.edu