Another option that works quite well is using clear (unpigmented) soldermask and covering the fiducials with the soldermask. ______________________________ Reply Separator _________________________________ Subject: RE: Exposed Copper on Assemblies Author: [log in to unmask] at corp Date: 2/26/96 7:48 AM Reflowing solder paste on fiducials and in-circuit test pads shouldn't cause any problems. We've been performing ICT on assemblies with solder on the test pads for years. I can't speak for all, but I know that the majority of component placement systems can read solder coated fiducials quite well. Jim Marsico [log in to unmask]