I have seen dehydration bakes used as part of solvent cleaning of glass and sapphire substrates. What is the purpose/advantage of this bake? EVELYN BENABE Graduate Research Assistant RF Microsystems Research Group University of South Florida 4202 East Fowler Avenue Tampa, FL 33620 Office: ENB 412 Office Phone: (813)-974-4851 Email: benabe@mail.usf.edu