Further Questions on the subject: Does this have any effect on hand-manufacturing? ie. Do you have to apply heat for a longer period in order to get a proper solder joint? Does it take appreciably longer to cool? Alan H. =========================================================== Alan Hilton, P.Eng. Phone: (408) 982-0660 X213 R&D Engineer Fax: (408) 492-9170 Emulation Technology, Inc. eMail: [log in to unmask] 2344 Walsh Avenue Santa Clara, USA 95051-1301