I am looking after alternative method of measuring of electroplated Gold over Nickel for production .Gold thickness is in range from 0.75 to 2.5 microns. I have in my plant beta scope with Promethium source with lot of problems.I have also XRF,that can not be placed in production area. Any sugestions? Edward Szpruch Eltek , Manager of Process Engineering P.O.Box 159 ; 49101 Petah Tikva Israel Tel ++972 3 9395050 , Fax ++972 3 9309581 e-mail [log in to unmask] ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################