I have only specified ENIG in the past, this next job is silver plating. I don't have the correct IPC to specify this on my fab drawing. Can someone please share the proper note for silver finish including any necessary diffusion barrier. Thanks, :-) Dee Stover [log in to unmask] 520-318-8489 CAD Design Lead National Optical Astronomy Observatories www.noao.edu ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________