Hi, We evaporated about 50nm gold onto glass substrates. Some greenish spots are seen on parts of the film. Has anyone seen it before? Thanks Madan ___________________________________________________________ K.V.Madanagopal, Ph.D. Senior Research Associate Alliance for Nanomedical Technologies 317 Stocking Hall Cornell University Ithaca NY 14850 Fax:607-255-8741 Phone:607-254-8052 ___________________________________________________________