We also use kapton tape in pur "kitting" area to cover gold fingers, before it gets to the SMD workcell, and the tape stays on until ALL processing is completed. With this method our problems disappeared. No problems with tape residue. ---------------------------------- Jeff L. Hempton phone: (219) 429-7335 Fax: (219) 429-4688 Sr. Development Engineer Raytheon Systems Company 1010 Production Road, Fort Wayne, IN 46808-4106 Mail Stop: 25-31 Email: [log in to unmask] "The man who rolls up his sleeves seldom loses his shirt."--Thomas Cowan ################################################################ TechNet E-Mail Forum 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://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################