Sorry about that. This is the question I sent out. Is anyone aware of any published research on Ni-Au plating over Microstrip and the impact on losses other than: "Ni-Au Surface Finish Effects on RF Performance", D. Staiculescu, J. Laskar, J. Mendelsohn, E. Sweetman, D. Rudy and I. Artaki , IEEE MTT-S Digest, 1999, pp 1909-1912. -- Scott McMorrow Teraspeed Consulting Group LLC 121 North River Drive Narragansett, RI 02882 (401) 284-1827 Business (401) 284-1840 Fax http://www.teraspeed.com Teraspeed® is the registered service mark of Teraspeed Consulting Group LLC ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.net List archives are viewable at: //www.freelists.org/archives/si-list Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu